asan_test.cc revision c3a5c173f228cbb15e332e6bbc17c76ebd55d7a8
1b0ddf227b25388ad836e560c00f0aec84026b0e5Alexey Samsonov//===-- asan_test.cc ------------------------------------------------------===// 21e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 31e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// The LLVM Compiler Infrastructure 41e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 51e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This file is distributed under the University of Illinois Open Source 61e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// License. See LICENSE.TXT for details. 71e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 81e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany//===----------------------------------------------------------------------===// 91e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This file is a part of AddressSanitizer, an address sanity checker. 111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// 121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany//===----------------------------------------------------------------------===// 131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <stdio.h> 141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <signal.h> 151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <stdlib.h> 161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <string.h> 17af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany#include <strings.h> 181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <pthread.h> 191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <stdint.h> 201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <setjmp.h> 211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <assert.h> 221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 23f6607d097833cd53460735c1a5a2fd52b97613ebTimur Iskhodzhanov#if defined(__i386__) || defined(__x86_64__) 241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <emmintrin.h> 251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include "asan_test_utils.h" 281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <malloc.h> 31fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko#else 32ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko#include <malloc/malloc.h> 330503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#include <AvailabilityMacros.h> // For MAC_OS_X_VERSION_* 34fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko#include <CoreFoundation/CFString.h> 351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_HAS_EXCEPTIONS 381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany# define ASAN_THROW(x) throw (x) 391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany# define ASAN_THROW(x) 411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <sys/mman.h> 441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint8_t U1; 461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint16_t U2; 471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint32_t U4; 481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint64_t U8; 491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const int kPageSize = 4096; 511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Simple stand-alone pseudorandom number generator. 531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Current algorithm is ANSI C linear congruential PRNG. 541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic inline uint32_t my_rand(uint32_t* state) { 551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return (*state = *state * 1103515245 + 12345) >> 16; 561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic uint32_t global_seed = 0; 591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyconst size_t kLargeMalloc = 1 << 24; 611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 622dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 63938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void asan_write(T *a) { 641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *a = 0; 651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 67938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void asan_write_sized_aligned(uint8_t *p, size_t size) { 6876e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, ((uintptr_t)p % size)); 691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (size == 1) asan_write((uint8_t*)p); 701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 2) asan_write((uint16_t*)p); 711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 4) asan_write((uint32_t*)p); 721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 8) asan_write((uint64_t*)p); 731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 75938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_fff(size_t size) { 761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc/**/(size); break_optimization(0); return res;} 77938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_eee(size_t size) { 781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_fff(size); break_optimization(0); return res;} 79938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_ddd(size_t size) { 801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_eee(size); break_optimization(0); return res;} 81938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_ccc(size_t size) { 821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ddd(size); break_optimization(0); return res;} 83938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_bbb(size_t size) { 841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ccc(size); break_optimization(0); return res;} 85938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_aaa(size_t size) { 861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_bbb(size); break_optimization(0); return res;} 871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 89938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_fff(size_t alignment, size_t size) { 901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign/**/(alignment, size); break_optimization(0); return res;} 91938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_eee(size_t alignment, size_t size) { 921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_fff(alignment, size); break_optimization(0); return res;} 93938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_ddd(size_t alignment, size_t size) { 941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_eee(alignment, size); break_optimization(0); return res;} 95938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_ccc(size_t alignment, size_t size) { 961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_ddd(alignment, size); break_optimization(0); return res;} 97938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_bbb(size_t alignment, size_t size) { 981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_ccc(alignment, size); break_optimization(0); return res;} 99938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_aaa(size_t alignment, size_t size) { 1001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_bbb(alignment, size); break_optimization(0); return res;} 1011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 1021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 104938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_ccc(void *p) { free(p); break_optimization(0);} 105938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_bbb(void *p) { free_ccc(p); break_optimization(0);} 106938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_aaa(void *p) { free_bbb(p); break_optimization(0);} 1071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1082dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 109938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void oob_test(int size, int off) { 1101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = (char*)malloc_aaa(size); 1111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "writing %d byte(s) into [%p,%p) with offset %d\n", 1121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // sizeof(T), p, p + size, off); 1131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write((T*)(p + off)); 1141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(p); 1151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1182dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 119938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void uaf_test(int size, int off) { 1201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = (char *)malloc_aaa(size); 1211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(p); 1221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 1; i < 100; i++) 1231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(malloc_aaa(i)); 1241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "writing %ld byte(s) at %p with offset %d\n", 1251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany (long)sizeof(T), p, off); 1261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write((T*)(p + off)); 1271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 12913ebae606b526399771e9cca1d6a9d24458ad0f1Kostya SerebryanyTEST(AddressSanitizer, HasFeatureAddressSanitizerTest) { 13013ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#if defined(__has_feature) && __has_feature(address_sanitizer) 13113ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 1; 13213ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#else 13313ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 0; 13413ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#endif 13513ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany EXPECT_EQ(true, asan); 1361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1381e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleDeathTest) { 1391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(exit(1), ""); 1401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1421e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VariousMallocsTest) { 1431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc(100 * sizeof(int)); 1441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[50] = 0; 1451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *r = (int*)malloc(10); 1481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r = (int*)realloc(r, 2000 * sizeof(int)); 1491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r[1000] = 0; 1501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(r); 1511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *b = new int[100]; 1531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany b[50] = 0; 1541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete [] b; 1551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *c = new int; 1571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *c = 0; 1581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete c; 1591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 160e0e9eea99d7a81a15c4bb15ff2e5ebd92b50817bEvgeniy Stepanov#if !defined(__APPLE__) && !defined(ANDROID) && !defined(__ANDROID__) 1611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *pm; 1621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int pm_res = posix_memalign((void**)&pm, kPageSize, kPageSize); 1631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, pm_res); 1641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(pm); 1657274eafceb832e1088f30b71652992787ba8c456Evgeniy Stepanov#endif 1661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1674dd8ba8238b1b698953628affe6e5b2edf3b3e3fAlexey Samsonov#if !defined(__APPLE__) 1681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ma = (int*)memalign(kPageSize, kPageSize); 16976e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)ma % kPageSize); 1701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ma[123] = 0; 1711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(ma); 1721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 1731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1751e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CallocTest) { 1761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)calloc(100, sizeof(int)); 1771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, a[10]); 1781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1811e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VallocTest) { 1821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *a = valloc(100); 18376e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)a % kPageSize); 1841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 1881e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, PvallocTest) { 1891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = (char*)pvalloc(kPageSize + 100); 19076e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)a % kPageSize); 1911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[kPageSize + 101] = 1; // we should not report an error here. 1921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a = (char*)pvalloc(0); // pvalloc(0) should allocate at least one page. 19576e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)a % kPageSize); 1961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[101] = 1; // we should not report an error here. 1971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 2001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *TSDWorker(void *test_key) { 2021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (test_key) { 2031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_setspecific(*(pthread_key_t*)test_key, (void*)0xfeedface); 2041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 2061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid TSDDestructor(void *tsd) { 2091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Spawning a thread will check that the current thread id is not -1. 2101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 2111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDWorker, NULL); 2121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 2131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This tests triggers the thread-specific data destruction fiasco which occurs 2161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// if we don't manage the TSD destructors ourselves. We create a new pthread 2171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// key with a non-NULL destructor which is likely to be put after the destructor 2181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// of AsanThread in the list of destructors. 2191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// In this case the TSD for AsanThread will be destroyed before TSDDestructor 2201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// is called for the child thread, and a CHECK will fail when we call 2211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// pthread_create() to spawn the grandchild. 2221e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_TSDTest) { 2231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 2241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_t test_key; 2251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_create(&test_key, TSDDestructor); 2261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDWorker, &test_key); 2271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 2281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_delete(test_key); 2291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2312dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 2321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid OOBTest() { 2331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 2341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int size = sizeof(T); size < 20; size += 5) { 2351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = -5; i < 0; i++) { 2361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 2371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*%d byte.*to the left"; 2381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, abs(i)); 2391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(size, i), expected_str); 2401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 24276e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov for (int i = 0; i < (int)(size - sizeof(T) + 1); i++) 2431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<T>(size, i); 2441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 24576e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov for (int i = size - sizeof(T) + 1; i <= (int)(size + 3 * sizeof(T)); i++) { 2461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 2471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*%d byte.*to the right"; 2481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int off = i >= size ? (i - size) : 0; 2491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // we don't catch unaligned partially OOB accesses. 2501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (i % sizeof(T)) continue; 2511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, off); 2521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(size, i), expected_str); 2531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(kLargeMalloc, -1), 2571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*1 byte.*to the left"); 2581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(kLargeMalloc, kLargeMalloc), 2591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*0 byte.*to the right"); 2601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(glider): the following tests are EXTREMELY slow on Darwin: 2631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOB_char (125503 ms) 2641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOB_int (126890 ms) 2651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOBRightTest (315605 ms) 2661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.SimpleStackTest (366559 ms) 2671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2681e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOB_char) { 2691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany OOBTest<U1>(); 2701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2721e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOB_int) { 2731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany OOBTest<U4>(); 2741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2761e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOBRightTest) { 2771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t access_size = 1; access_size <= 8; access_size *= 2) { 2781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t alloc_size = 1; alloc_size <= 8; alloc_size++) { 2791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t offset = 0; offset <= 8; offset += access_size) { 2801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *p = malloc(alloc_size); 2811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // allocated: [p, p + alloc_size) 2821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // accessed: [p + offset, p + offset + access_size) 2831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uint8_t *addr = (uint8_t*)p + offset; 2841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (offset + access_size <= alloc_size) { 2851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write_sized_aligned(addr, access_size); 2861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 2871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int outside_bytes = offset > alloc_size ? (offset - alloc_size) : 0; 2881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 2891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.%d *byte.*to the right"; 2901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 2911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, outside_bytes); 2921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(asan_write_sized_aligned(addr, access_size), 2931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany expected_str); 2941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(p); 2961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3011e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UAF_char) { 302ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany const char *uaf_string = "AddressSanitizer:.*heap-use-after-free"; 3031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(1, 0), uaf_string); 3041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 0), uaf_string); 3051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 10), uaf_string); 3061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, 0), uaf_string); 3071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, kLargeMalloc / 2), uaf_string); 3081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_HAS_BLACKLIST 3111e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, IgnoreTest) { 3121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = Ident(new int); 3131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 0; 3151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_HAS_BLACKLIST 3171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitField { 3191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf1:1; 3201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf2:1; 3211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf3:1; 3221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf4:29; 3231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3251e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldPositiveTest) { 3261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitField *x = new StructWithBitField; 3271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf1 = 0, "use-after-free"); 3291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf2 = 0, "use-after-free"); 3301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf3 = 0, "use-after-free"); 3311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf4 = 0, "use-after-free"); 33276e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov} 3331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitFields_8_24 { 3351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a:8; 3361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b:24; 3371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3391e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldNegativeTest) { 3401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitFields_8_24 *x = Ident(new StructWithBitFields_8_24); 3411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->a = 0; 3421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->b = 0; 3431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3461e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OutOfMemoryTest) { 3475af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany size_t size = SANITIZER_WORDSIZE == 64 ? (size_t)(1ULL << 48) : (0xf0000000); 3481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, realloc(0, size)); 3491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, realloc(0, ~Ident(0))); 3501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, malloc(size)); 3511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, malloc(~Ident(0))); 3521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, calloc(1, size)); 3531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, calloc(1, ~Ident(0))); 3541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 35758b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkonamespace { 35858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 359ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryanyconst char kUnknownCrash[] = "AddressSanitizer: SEGV on unknown address"; 36058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkoconst char kOverriddenHandler[] = "ASan signal handler has been overridden\n"; 36158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 3621e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WildAddressTest) { 3631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *c = (char*)0x123; 36458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_DEATH(*c = 0, kUnknownCrash); 36558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 36658b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 36758b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkovoid my_sigaction_sighandler(int, siginfo_t*, void*) { 36858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko fprintf(stderr, kOverriddenHandler); 36958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko exit(1); 37058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 37158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 372b0ddf227b25388ad836e560c00f0aec84026b0e5Alexey Samsonovvoid my_signal_sighandler(int signum) { 37358b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko fprintf(stderr, kOverriddenHandler); 37458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko exit(1); 37558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 37658b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 37758b017bb286a8f4413a9348d2c87c52de38cff6dAlexander PotapenkoTEST(AddressSanitizer, SignalTest) { 37858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko struct sigaction sigact; 37958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko memset(&sigact, 0, sizeof(sigact)); 38058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko sigact.sa_sigaction = my_sigaction_sighandler; 38158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko sigact.sa_flags = SA_SIGINFO; 38258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko // ASan should silently ignore sigaction()... 38358b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_EQ(0, sigaction(SIGSEGV, &sigact, 0)); 38458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko#ifdef __APPLE__ 38558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_EQ(0, sigaction(SIGBUS, &sigact, 0)); 38658b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko#endif 38758b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko char *c = (char*)0x123; 38858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_DEATH(*c = 0, kUnknownCrash); 38958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko // ... and signal(). 39058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_EQ(0, signal(SIGSEGV, my_signal_sighandler)); 39158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_DEATH(*c = 0, kUnknownCrash); 39258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 393b0ddf227b25388ad836e560c00f0aec84026b0e5Alexey Samsonov} // namespace 3941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 3951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void MallocStress(size_t n) { 3971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uint32_t seed = my_rand(&global_seed); 3981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t iter = 0; iter < 10; iter++) { 3991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vector<void *> vec; 4001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < n; i++) { 4011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if ((i % 3) == 0) { 4021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (vec.empty()) continue; 4031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t idx = my_rand(&seed) % vec.size(); 4041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *ptr = vec[idx]; 4051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec[idx] = vec.back(); 4061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec.pop_back(); 4071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(ptr); 4081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 4091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = my_rand(&seed) % 1000 + 1; 4101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 4111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t alignment = 1 << (my_rand(&seed) % 7 + 3); 4121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *ptr = (char*)memalign_aaa(alignment, size); 4131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 4141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *ptr = (char*) malloc_aaa(size); 4151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 4161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec.push_back(ptr); 4171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[0] = 0; 4181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[size-1] = 0; 4191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[size/2] = 0; 4201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < vec.size(); i++) 4231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(vec[i]); 4241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4271e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MallocStressTest) { 4288ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov MallocStress((ASAN_LOW_MEMORY) ? 20000 : 200000); 4291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void TestLargeMalloc(size_t size) { 4321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char buff[1024]; 4331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(buff, "is located 1 bytes to the left of %lu-byte", (long)size); 4341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident((char*)malloc(size))[-1] = 0, buff); 4351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4371e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LargeMallocTest) { 4381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 113; i < (1 << 28); i = i * 2 + 13) { 4391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TestLargeMalloc(i); 4401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 443788e1d704436065beb514fdde86070f61d0394edEvgeniy Stepanov#if ASAN_LOW_MEMORY != 1 4441e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, HugeMallocTest) { 4451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __APPLE__ 4461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // It was empirically found out that 1215 megabytes is the maximum amount of 447e4d141dbbaf5185f332a185c22308340657d243eKostya Serebryany // memory available to the process under AddressSanitizer on 32-bit Mac 10.6. 448e4d141dbbaf5185f332a185c22308340657d243eKostya Serebryany // 32-bit Mac 10.7 gives even less (< 1G). 4491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // (the libSystem malloc() allows allocating up to 2300 megabytes without 4501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // ASan). 4515af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany size_t n_megs = SANITIZER_WORDSIZE == 32 ? 500 : 4100; 4521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 4535af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany size_t n_megs = SANITIZER_WORDSIZE == 32 ? 2600 : 4100; 4541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 4551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TestLargeMalloc(n_megs << 20); 4561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 457788e1d704436065beb514fdde86070f61d0394edEvgeniy Stepanov#endif 4581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4591e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedMallocStressTest) { 4601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumThreads = 4; 4618ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov const int kNumIterations = (ASAN_LOW_MEMORY) ? 10000 : 100000; 4621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 4631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 4648ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov pthread_create(&t[i], 0, (void* (*)(void *x))MallocStress, 4658ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov (void*)kNumIterations); 4661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 4681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 4691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ManyThreadsWorker(void *a) { 4731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int iter = 0; iter < 100; iter++) { 4741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t size = 100; size < 2000; size *= 2) { 4751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(Ident(malloc(size))); 4761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 4791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4811e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyThreadsTest) { 4825af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany const size_t kNumThreads = SANITIZER_WORDSIZE == 32 ? 30 : 1000; 4831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 4841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 4851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t[i], 0, (void* (*)(void *x))ManyThreadsWorker, (void*)i); 4861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 4881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 4891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4921e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ReallocTest) { 4931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kMinElem = 5; 4941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ptr = (int*)malloc(sizeof(int) * kMinElem); 4951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[3] = 3; 4961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 4971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr = (int*)realloc(ptr, 4981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany (my_rand(&global_seed) % 1000 + kMinElem) * sizeof(int)); 4991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(3, ptr[3]); 5001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 5011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5034fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov#ifndef __APPLE__ 5044fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonovstatic const char *kMallocUsableSizeErrorMsg = 505ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany "AddressSanitizer: attempting to call malloc_usable_size()"; 5064fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 5074fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey SamsonovTEST(AddressSanitizer, MallocUsableSizeTest) { 5084fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov const size_t kArraySize = 100; 5094fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov char *array = Ident((char*)malloc(kArraySize)); 5104fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov int *int_ptr = Ident(new int); 51176e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, malloc_usable_size(NULL)); 5124fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(kArraySize, malloc_usable_size(array)); 5134fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(sizeof(int), malloc_usable_size(int_ptr)); 5144fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size((void*)0x123), kMallocUsableSizeErrorMsg); 5154fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array + kArraySize / 2), 5164fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov kMallocUsableSizeErrorMsg); 5174fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov free(array); 5184fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array), kMallocUsableSizeErrorMsg); 5194fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov} 5204fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov#endif 5214fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 5221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid WrongFree() { 5231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 5241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Use the allocated memory, otherwise Clang will optimize it out. 5251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x); 5261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x + 1); 5271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WrongFreeTest) { 530c16201337a4bb974093ff75aa45682739a331d05Kostya Serebryany EXPECT_DEATH(WrongFree(), 531ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany "ERROR: AddressSanitizer: attempting free.*not malloc"); 5321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid DoubleFree() { 5351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 5361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "DoubleFree: x=%p\n", x); 5371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 5381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 5391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "should have failed in the second free(%p)\n", x); 5401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany abort(); 5411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5431e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DoubleFreeTest) { 54427f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany EXPECT_DEATH(DoubleFree(), ASAN_PCRE_DOTALL 545ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany "ERROR: AddressSanitizer: attempting double-free" 54627f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*is located 0 bytes inside of 400-byte region" 54727f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*freed by thread T0 here" 54827f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*previously allocated by thread T0 here"); 5491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<int kSize> 552938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void SizedStackTest() { 5531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[kSize]; 5541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *A = Ident((char*)&a); 5551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kSize; i++) 5561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany A[i] = i; 5571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-1] = 0, ""); 5581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-20] = 0, ""); 5591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-31] = 0, ""); 5601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize] = 0, ""); 5611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 1] = 0, ""); 5621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 10] = 0, ""); 5631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 31] = 0, ""); 5641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5661e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleStackTest) { 5671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<1>(); 5681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<2>(); 5691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<3>(); 5701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<4>(); 5711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<5>(); 5721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<6>(); 5731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<7>(); 5741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<16>(); 5751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<25>(); 5761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<34>(); 5771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<43>(); 5781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<51>(); 5791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<62>(); 5801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<64>(); 5811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<128>(); 5821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5841e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyStackObjectsTest) { 5851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char XXX[10]; 5861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char YYY[20]; 5871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char ZZZ[30]; 5881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(XXX); 5891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(YYY); 5901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(ZZZ)[-1] = 0, ASAN_PCRE_DOTALL "XXX.*YYY.*ZZZ"); 5911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 593938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame0(int frame, char *a, char *b, char *c) { 5941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char d[4] = {0}; 5951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *D = Ident(d); 5961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany switch (frame) { 5971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 3: a[5]++; break; 5981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 2: b[5]++; break; 5991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 1: c[5]++; break; 6001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 0: D[5]++; break; 6011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 603938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame1(int frame, char *a, char *b) { 6041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char c[4] = {0}; Frame0(frame, a, b, c); 6051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 6061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 607938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame2(int frame, char *a) { 6081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char b[4] = {0}; Frame1(frame, a, b); 6091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 6101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 611938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame3(int frame) { 6121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[4] = {0}; Frame2(frame, a); 6131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 6141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6161e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame0Test) { 6171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(0), "located .*in frame <.*Frame0"); 6181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6191e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame1Test) { 6201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(1), "located .*in frame <.*Frame1"); 6211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6221e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame2Test) { 6231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(2), "located .*in frame <.*Frame2"); 6241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6251e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame3Test) { 6261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(3), "located .*in frame <.*Frame3"); 6271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 629938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void LongJmpFunc1(jmp_buf buf) { 6301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany longjmp(buf, 1); 6381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 640d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya SerebryanyNOINLINE void BuiltinLongJmpFunc1(jmp_buf buf) { 641d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany // create three red zones for these two stack objects. 642d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany int a; 643d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany int b; 644d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany 645d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany int *A = Ident(&a); 646d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany int *B = Ident(&b); 647d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany *A = *B; 648d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany __builtin_longjmp((void**)buf, 1); 649d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany} 650d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany 651938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void UnderscopeLongJmpFunc1(jmp_buf buf) { 6521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany _longjmp(buf, 1); 6601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 662938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void SigLongJmpFunc1(sigjmp_buf buf) { 6631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany siglongjmp(buf, 1); 6711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 674938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void TouchStackFunc() { 6751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a[100]; // long array will intersect with redzones from LongJmpFunc1. 6761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(a); 6771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 100; i++) 6781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany A[i] = i*i; 6791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Test that we handle longjmp and do not report fals positives on stack. 6821e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LongJmpTest) { 6831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static jmp_buf buf; 6841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!setjmp(buf)) { 6851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LongJmpFunc1(buf); 6861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 6871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 691c3a5c173f228cbb15e332e6bbc17c76ebd55d7a8Kostya SerebryanyTEST(AddressSanitizer, BuiltinLongJmpTest) { 692d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany static jmp_buf buf; 693c3a5c173f228cbb15e332e6bbc17c76ebd55d7a8Kostya Serebryany if (!__builtin_setjmp((void**)buf)) { 694d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany BuiltinLongJmpFunc1(buf); 695d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany } else { 696d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany TouchStackFunc(); 697d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany } 698d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany} 699d3ca78fdb296d2a51fc224da673ebfff508acf44Kostya Serebryany 7001e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UnderscopeLongJmpTest) { 7011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static jmp_buf buf; 7021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!_setjmp(buf)) { 7031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany UnderscopeLongJmpFunc1(buf); 7041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 7051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 7071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7091e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SigLongJmpTest) { 7101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static sigjmp_buf buf; 7111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!sigsetjmp(buf, 1)) { 7121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SigLongJmpFunc1(buf); 7131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 7141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 7161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __EXCEPTIONS 719938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void ThrowFunc() { 7201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 7211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 7221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 7231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 7251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 7261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 7271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 7281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7301e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CxxExceptionTest) { 7311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (ASAN_UAR) return; 7321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(kcc): this test crashes on 32-bit for some reason... 7335af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany if (SANITIZER_WORDSIZE == 32) return; 7341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 7351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThrowFunc(); 7361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) {} 7371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 7401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc1(void *unused) { 7421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 7431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 7441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 7451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 7471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 7481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 7491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_exit(0); 7501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 7511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc2(void *unused) { 7541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 7561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7581e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadStackReuseTest) { 7591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 7601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadStackReuseFunc1, 0); 7611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 7621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadStackReuseFunc2, 0); 7631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 7641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 766f6607d097833cd53460735c1a5a2fd52b97613ebTimur Iskhodzhanov#if defined(__i386__) || defined(__x86_64__) 7671e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, Store128Test) { 7681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = Ident((char*)malloc(Ident(12))); 7691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = a; 7701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (((uintptr_t)a % 16) != 0) 7711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany p = a + 8; 7721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(((uintptr_t)p % 16) == 0); 7731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany __m128i value_wide = _mm_set1_epi16(0x1234); 7741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 775ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany "AddressSanitizer: heap-buffer-overflow"); 776acd5c617b219e0f059620c2a3928d2cc821d4534Kostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "WRITE of size 16"); 7781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "located 0 bytes to the right of 12-byte"); 7801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 7811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 7831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic string RightOOBErrorMessage(int oob_distance) { 7851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance >= 0); 7861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 7871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, "located %d bytes to the right", oob_distance); 7881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 7891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic string LeftOOBErrorMessage(int oob_distance) { 7921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance > 0); 7931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 7941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, "located %d bytes to the left", oob_distance); 7951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 7961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7982dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 7991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid MemSetOOBTestTemplate(size_t length) { 8001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length == 0) return; 8011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(sizeof(T) * length); 8021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *array = Ident((T*)malloc(size)); 8031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int element = Ident(42); 8041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int zero = Ident(0); 8051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // memset interval inside array 8061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, size); 8071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, size - 1); 8081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length - 1, element, sizeof(T)); 8091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, 1); 8101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // memset 0 bytes 8121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array - 10, element, zero); 8131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array - 1, element, zero); 8141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, zero); 8151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length, 0, zero); 8161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length + 1, 0, zero); 8171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes to the right of array 8191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array, 0, size + 1), 8201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 8211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)(array + length) - 1, element, 6), 8221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(4)); 8231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array + 1, element, size + sizeof(T)), 8241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2 * sizeof(T) - 1)); 8251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // whole interval is to the right 8261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array + length + 1, 0, 10), 8271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(sizeof(T))); 8281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes to the left of array 8301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 1, element, size), 8311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 8321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 5, 0, 6), 8331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(5)); 8341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array - 5, element, size + 5 * sizeof(T)), 8351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(5 * sizeof(T))); 8361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // whole interval is to the left 8371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array - 2, 0, sizeof(T)), 8381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 8391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes both to the left & to the right 8411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 2, element, size + 4), 8421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2)); 8431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(array); 8451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8471e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemSetOOBTest) { 8481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<char>(100); 8491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<int>(5); 8501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<double>(256); 8511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We can test arrays of structres/classes here, but what for? 8521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Same test for memcpy and memmove functions 8552dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate <typename T, class M> 8561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid MemTransferOOBTestTemplate(size_t length) { 8571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length == 0) return; 8581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(sizeof(T) * length); 8591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *src = Ident((T*)malloc(size)); 8601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *dest = Ident((T*)malloc(size)); 8611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int zero = Ident(0); 8621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // valid transfer of bytes between arrays 8641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, size); 8651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest + 1, src, size - sizeof(T)); 8661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src + length - 1, sizeof(T)); 8671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, 1); 8681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // transfer zero bytes 8701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest - 1, src, 0); 8711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest + length, src, zero); 8721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src - 1, zero); 8731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, zero); 8741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to the right of dest 8761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest + 1, src, size), 8771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(sizeof(T) - 1)); 8781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer((char*)(dest + length) - 1, src, 5), 8791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(3)); 8801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to the left of dest 8821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest - 2, src, size), 8831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 8841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer((char*)dest - 3, src, 4), 8851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(3)); 8861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to the right of src 8881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, src + 2, size), 8891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2 * sizeof(T) - 1)); 8901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, (char*)(src + length) - 3, 6), 8911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2)); 8921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to the left of src 8941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, src - 1, size), 8951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(sizeof(T))); 8961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, (char*)src - 6, 7), 8971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(6)); 8981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Generally we don't need to test cases where both accessing src and writing 9001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // to dest address to poisoned memory. 9011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *big_src = Ident((T*)malloc(size * 2)); 9031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *big_dest = Ident((T*)malloc(size * 2)); 9041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to both sides of dest 9051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest - 1, big_src, size * 2), 9061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(sizeof(T))); 9071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to both sides of src 9081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(big_dest, src - 2, size * 2), 9091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 9101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(src); 9121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(dest); 9131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(big_src); 9141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(big_dest); 9151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyclass MemCpyWrapper { 9181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany public: 9191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static void* transfer(void *to, const void *from, size_t size) { 9201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return memcpy(to, from, size); 9211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 9231e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemCpyOOBTest) { 9241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<char, MemCpyWrapper>(100); 9251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<int, MemCpyWrapper>(1024); 9261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyclass MemMoveWrapper { 9291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany public: 9301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static void* transfer(void *to, const void *from, size_t size) { 9311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return memmove(to, from, size); 9321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 9341e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemMoveOOBTest) { 9351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<char, MemMoveWrapper>(100); 9361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<int, MemMoveWrapper>(1024); 9371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Tests for string functions 9401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Used for string functions tests 9421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic char global_string[] = "global"; 9431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic size_t global_string_length = 6; 9441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Input to a test is a zero-terminated string str with given length 9461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Accesses to the bytes to the left and to the right of str 9471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// are presumed to produce OOB errors 9481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid StrLenOOBTestTemplate(char *str, size_t length, bool is_global) { 9491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strlen calls 9501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(strlen(str), length); 9511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length > 0) { 95276e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(length - 1, strlen(str + 1)); 95376e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, strlen(str + length)); 9541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Arg of strlen is not malloced, OOB access 9561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!is_global) { 9571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We don't insert RedZones to the left of global variables 9581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str - 1)), LeftOOBErrorMessage(1)); 9591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str - 5)), LeftOOBErrorMessage(5)); 9601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str + length + 1)), RightOOBErrorMessage(0)); 9621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite terminator 9631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[length] = 'a'; 9641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // String is not zero-terminated, strlen will lead to OOB access 9651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str)), RightOOBErrorMessage(0)); 9661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str + length)), RightOOBErrorMessage(0)); 9671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Restore terminator 9681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[length] = 0; 9691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9701e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrLenOOBTest) { 9711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check heap-allocated string 9721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t length = Ident(10); 9731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *heap_string = Ident((char*)malloc(length + 1)); 9741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char stack_string[10 + 1]; 97576e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov for (size_t i = 0; i < length; i++) { 9761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany heap_string[i] = 'a'; 9771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany stack_string[i] = 'b'; 9781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany heap_string[length] = 0; 9801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany stack_string[length] = 0; 9811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StrLenOOBTestTemplate(heap_string, length, false); 9821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(samsonov): Fix expected messages in StrLenOOBTestTemplate to 9831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // make test for stack_string work. Or move it to output tests. 9841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // StrLenOOBTestTemplate(stack_string, length, false); 9851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StrLenOOBTestTemplate(global_string, global_string_length, true); 9861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(heap_string); 9871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 989847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovstatic inline char* MallocAndMemsetString(size_t size, char ch) { 990af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *s = Ident((char*)malloc(size)); 991847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov memset(s, ch, size); 992af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany return s; 993af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 994847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovstatic inline char* MallocAndMemsetString(size_t size) { 995847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov return MallocAndMemsetString(size, 'z'); 996847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 997af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 9981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 9991e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrNLenOOBTest) { 10001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(123); 1001af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 10021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strnlen calls. 10031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str - 1, 0)); 10041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str, size)); 10051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str + size - 1, 1)); 10061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = '\0'; 10071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str, 2 * size)); 10081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Argument points to not allocated memory. 10091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str - 1, 1)), LeftOOBErrorMessage(1)); 10101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str + size, 1)), RightOOBErrorMessage(0)); 10111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' and hit unallocated memory. 10121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = 'z'; 10131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str, size + 1)), RightOOBErrorMessage(0)); 10141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 10151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 10171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10181e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrDupOOBTest) { 10191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(42); 1020af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 10211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *new_str; 10221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strdup calls. 10231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = '\0'; 10241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany new_str = strdup(str); 10251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(new_str); 10261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany new_str = strdup(str + size - 1); 10271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(new_str); 10281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Argument points to not allocated memory. 10291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str - 1)), LeftOOBErrorMessage(1)); 10301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str + size)), RightOOBErrorMessage(0)); 10311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' and hit unallocated memory. 10321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = 'z'; 10331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str)), RightOOBErrorMessage(0)); 10341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 10351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10371e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrCpyOOBTest) { 10381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t to_size = Ident(30); 10391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t from_size = Ident(6); // less than to_size 10401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *to = Ident((char*)malloc(to_size)); 10411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *from = Ident((char*)malloc(from_size)); 10421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strcpy calls. 10431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(from, "hello"); 10441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(to, from); 10451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(to + to_size - from_size, from); 10461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "from" is too small. 10471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(from, "hello2")), RightOOBErrorMessage(0)); 10481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // "to" or "from" points to not allocated memory. 10491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to - 1, from)), LeftOOBErrorMessage(1)); 10501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from - 1)), LeftOOBErrorMessage(1)); 10511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from + from_size)), RightOOBErrorMessage(0)); 10521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to + to_size, from)), RightOOBErrorMessage(0)); 10531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' character and hit unallocated memory. 10541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany from[from_size - 1] = '!'; 10551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from)), RightOOBErrorMessage(0)); 10561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(to); 10571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(from); 10581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10601e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrNCpyOOBTest) { 10611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t to_size = Ident(20); 10621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t from_size = Ident(6); // less than to_size 10631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *to = Ident((char*)malloc(to_size)); 10641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // From is a zero-terminated string "hello\0" of length 6 10651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *from = Ident((char*)malloc(from_size)); 10661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(from, "hello"); 10671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // copy 0 bytes 10681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, 0); 10691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to - 1, from - 1, 0); 10701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // normal strncpy calls 10711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, from_size); 10721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, to_size); 10731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from + from_size - 1, to_size); 10741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to + to_size - 1, from, 1); 10751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of {to, from} points to not allocated memory 10761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from - 1, from_size)), 10771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 10781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to - 1, from, from_size)), 10791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 10801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from + from_size, 1)), 10811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + to_size, from, 1)), 10831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "to" is too small 10851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + to_size - from_size + 1, from, from_size)), 10861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + 1, from, to_size)), 10881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite terminator in from 10901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany from[from_size - 1] = '!'; 10911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // normal strncpy call 10921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, from_size); 10931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "from" is too small 10941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from, to_size)), 10951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(to); 10971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(from); 10981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1100fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov// Users may have different definitions of "strchr" and "index", so provide 1101fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov// function pointer typedefs and overload RunStrChrTest implementation. 1102fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov// We can't use macro for RunStrChrTest body here, as this macro would 1103fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov// confuse EXPECT_DEATH gtest macro. 1104fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonovtypedef char*(*PointerToStrChr1)(const char*, int); 1105fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonovtypedef char*(*PointerToStrChr2)(char*, int); 1106fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov 1107fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey SamsonovUSED static void RunStrChrTest(PointerToStrChr1 StrChr) { 11081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 1109af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 11101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[10] = 'q'; 11111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[11] = '\0'; 11121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(str, StrChr(str, 'z')); 11131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(str + 10, StrChr(str, 'q')); 11141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(NULL, StrChr(str, 'a')); 11151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // StrChr argument points to not allocated memory. 11161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str - 1, 'z')), LeftOOBErrorMessage(1)); 11171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str + size, 'z')), RightOOBErrorMessage(0)); 11181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminator and hit not allocated memory. 11191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[11] = 'z'; 11201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str, 'a')), RightOOBErrorMessage(0)); 11211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 11221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1123fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey SamsonovUSED static void RunStrChrTest(PointerToStrChr2 StrChr) { 1124fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov size_t size = Ident(100); 1125fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov char *str = MallocAndMemsetString(size); 1126fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov str[10] = 'q'; 1127fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov str[11] = '\0'; 1128fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov EXPECT_EQ(str, StrChr(str, 'z')); 1129fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov EXPECT_EQ(str + 10, StrChr(str, 'q')); 1130fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov EXPECT_EQ(NULL, StrChr(str, 'a')); 1131fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov // StrChr argument points to not allocated memory. 1132fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov EXPECT_DEATH(Ident(StrChr(str - 1, 'z')), LeftOOBErrorMessage(1)); 1133fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov EXPECT_DEATH(Ident(StrChr(str + size, 'z')), RightOOBErrorMessage(0)); 1134fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov // Overwrite the terminator and hit not allocated memory. 1135fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov str[11] = 'z'; 1136fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov EXPECT_DEATH(Ident(StrChr(str, 'a')), RightOOBErrorMessage(0)); 1137fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov free(str); 1138fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov} 1139fa7e95da75c30b7111224e68cb4405357bdc0f4bAlexey Samsonov 11401e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrChrAndIndexOOBTest) { 11411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RunStrChrTest(&strchr); 11421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RunStrChrTest(&index); 11431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11451e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrCmpAndFriendsLogicTest) { 11461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // strcmp 11471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strcmp("", "")); 11481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strcmp("abcd", "abcd")); 1149af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcmp("ab", "ac")); 1150af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcmp("abc", "abcd")); 1151af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcmp("acc", "abc")); 1152af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcmp("abcd", "abc")); 11531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // strncmp 11551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("a", "b", 0)); 11561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("abcd", "abcd", 10)); 11571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("abcd", "abcef", 3)); 1158af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("abcde", "abcfa", 4)); 1159af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("a", "b", 5)); 1160af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("bc", "bcde", 4)); 1161af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("xyz", "xyy", 10)); 1162af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("baa", "aaa", 1)); 1163af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("zyx", "", 2)); 1164af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1165af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // strcasecmp 1166af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("", "")); 1167af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("zzz", "zzz")); 1168af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("abCD", "ABcd")); 1169af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcasecmp("aB", "Ac")); 1170af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcasecmp("ABC", "ABCd")); 1171af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcasecmp("acc", "abc")); 1172af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcasecmp("ABCd", "abc")); 1173af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1174af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // strncasecmp 1175af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("a", "b", 0)); 1176af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("abCD", "ABcd", 10)); 1177af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("abCd", "ABcef", 3)); 1178af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("abcde", "ABCfa", 4)); 1179af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("a", "B", 5)); 1180af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("bc", "BCde", 4)); 1181af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("xyz", "xyy", 10)); 1182af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("Baa", "aaa", 1)); 1183af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("zyx", "", 2)); 118452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany 118552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // memcmp 118652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_EQ(0, memcmp("a", "b", 0)); 118752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_EQ(0, memcmp("ab\0c", "ab\0c", 4)); 118852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_GT(0, memcmp("\0ab", "\0ac", 3)); 118952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_GT(0, memcmp("abb\0", "abba", 4)); 119052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_LT(0, memcmp("ab\0cd", "ab\0c\0", 5)); 119152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_LT(0, memcmp("zza", "zyx", 3)); 1192af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1193af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1194af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanytypedef int(*PointerToStrCmp)(const char*, const char*); 1195af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanyvoid RunStrCmpTest(PointerToStrCmp StrCmp) { 11961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 11971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s1 = MallocAndMemsetString(size); 11981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s2 = MallocAndMemsetString(size); 11991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = '\0'; 12001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = '\0'; 1201af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // Normal StrCmp calls 1202af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2)); 1203af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2 + size - 1)); 1204af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1 + size - 1, s2 + size - 1)); 12051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = 'z'; 12061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'x'; 1207af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2)); 12081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of arguments points to not allocated memory. 1209af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 - 1, s2), LeftOOBErrorMessage(1)); 1210af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s2 - 1), LeftOOBErrorMessage(1)); 1211af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 + size, s2), RightOOBErrorMessage(0)); 1212af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s2 + size), RightOOBErrorMessage(0)); 12131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Hit unallocated memory and die. 12141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'z'; 1215af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s1), RightOOBErrorMessage(0)); 1216af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 + size - 1, s2), RightOOBErrorMessage(0)); 12171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s1); 12181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s2); 12191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1221af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrCmpOOBTest) { 1222af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrCmpTest(&strcmp); 1223af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1224af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1225af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrCaseCmpOOBTest) { 1226af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrCmpTest(&strcasecmp); 1227af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1228af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1229af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanytypedef int(*PointerToStrNCmp)(const char*, const char*, size_t); 1230af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanyvoid RunStrNCmpTest(PointerToStrNCmp StrNCmp) { 12311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 12321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s1 = MallocAndMemsetString(size); 12331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s2 = MallocAndMemsetString(size); 12341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = '\0'; 12351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = '\0'; 1236af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // Normal StrNCmp calls 1237af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1, s2, size + 2)); 12381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = 'z'; 12391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'x'; 1240af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 + size - 2, s2 + size - 2, size)); 12411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'z'; 1242af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 - 1, s2 - 1, 0)); 1243af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 + size - 1, s2 + size - 1, 1)); 12441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of arguments points to not allocated memory. 1245af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 - 1, s2, 1), LeftOOBErrorMessage(1)); 1246af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1, s2 - 1, 1), LeftOOBErrorMessage(1)); 1247af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + size, s2, 1), RightOOBErrorMessage(0)); 1248af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1, s2 + size, 1), RightOOBErrorMessage(0)); 12491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Hit unallocated memory and die. 1250af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + 1, s2 + 1, size), RightOOBErrorMessage(0)); 1251af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + size - 1, s2, 2), RightOOBErrorMessage(0)); 12521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s1); 12531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s2); 12541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1256af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrNCmpOOBTest) { 1257af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrNCmpTest(&strncmp); 1258af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1259af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1260af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrNCaseCmpOOBTest) { 1261af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrNCmpTest(&strncasecmp); 1262af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1263af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 126452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya SerebryanyTEST(AddressSanitizer, MemCmpOOBTest) { 126552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany size_t size = Ident(100); 126652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany char *s1 = MallocAndMemsetString(size); 126752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany char *s2 = MallocAndMemsetString(size); 126852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Normal memcmp calls. 126952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1, s2, size)); 127052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1 + size - 1, s2 + size - 1, 1)); 127152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1 - 1, s2 - 1, 0)); 127252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // One of arguments points to not allocated memory. 127352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 - 1, s2, 1), LeftOOBErrorMessage(1)); 127452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2 - 1, 1), LeftOOBErrorMessage(1)); 127552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + size, s2, 1), RightOOBErrorMessage(0)); 127652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2 + size, 1), RightOOBErrorMessage(0)); 127752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Hit unallocated memory and die. 127852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + 1, s2 + 1, size), RightOOBErrorMessage(0)); 127952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + size - 1, s2, 2), RightOOBErrorMessage(0)); 128052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Zero bytes are not terminators and don't prevent from OOB. 128152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany s1[size - 1] = '\0'; 128252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany s2[size - 1] = '\0'; 128352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2, size + 1), RightOOBErrorMessage(0)); 128452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany free(s1); 128552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany free(s2); 128652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany} 128752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany 12880985ca240812ac5519168a6aecbccf4c513ae243Kostya SerebryanyTEST(AddressSanitizer, StrCatOOBTest) { 12890985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany size_t to_size = Ident(100); 12900985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany char *to = MallocAndMemsetString(to_size); 12910985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany to[0] = '\0'; 12920985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany size_t from_size = Ident(20); 12930985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany char *from = MallocAndMemsetString(from_size); 12940985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = '\0'; 12950985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Normal strcat calls. 12960985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from); 12970985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from); 12980985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to + from_size, from + from_size - 2); 129937b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko // Passing an invalid pointer is an error even when concatenating an empty 130037b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko // string. 130137b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko EXPECT_DEATH(strcat(to - 1, from + from_size - 1), LeftOOBErrorMessage(1)); 13020985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // One of arguments points to not allocated memory. 13030985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to - 1, from), LeftOOBErrorMessage(1)); 13040985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from - 1), LeftOOBErrorMessage(1)); 13050985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to + to_size, from), RightOOBErrorMessage(0)); 13060985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from + from_size), RightOOBErrorMessage(0)); 13070985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 13080985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "from" is not zero-terminated. 13090985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = 'z'; 13100985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 13110985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = '\0'; 13120985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "to" is not zero-terminated. 13130985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany memset(to, 'z', to_size); 13140985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 13150985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "to" is too short to fit "from". 13160985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany to[to_size - from_size + 1] = '\0'; 13170985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 13180985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // length of "to" is just enough. 13190985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from + 1); 1320c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1321c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(to); 1322c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(from); 1323c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov} 1324c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1325c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey SamsonovTEST(AddressSanitizer, StrNCatOOBTest) { 1326c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov size_t to_size = Ident(100); 1327c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov char *to = MallocAndMemsetString(to_size); 1328c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[0] = '\0'; 1329c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov size_t from_size = Ident(20); 1330c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov char *from = MallocAndMemsetString(from_size); 1331c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // Normal strncat calls. 1332c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, 0); 1333c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, from_size); 1334c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov from[from_size - 1] = '\0'; 1335c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, 2 * from_size); 133637b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko // Catenating empty string with an invalid string is still an error. 133737b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko EXPECT_DEATH(strncat(to - 1, from, 0), LeftOOBErrorMessage(1)); 1338c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from + from_size - 1, 10); 1339c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // One of arguments points to not allocated memory. 1340c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to - 1, from, 2), LeftOOBErrorMessage(1)); 1341c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from - 1, 2), LeftOOBErrorMessage(1)); 1342c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to + to_size, from, 2), RightOOBErrorMessage(0)); 1343c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from + from_size, 2), RightOOBErrorMessage(0)); 1344c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1345c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov memset(from, 'z', from_size); 1346c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov memset(to, 'z', to_size); 1347c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[0] = '\0'; 1348c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "from" is too short. 1349c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from, from_size + 1), RightOOBErrorMessage(0)); 1350c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "to" is not zero-terminated. 1351c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to + 1, from, 1), RightOOBErrorMessage(0)); 1352c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "to" is too short to fit "from". 1353c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[0] = 'z'; 1354c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[to_size - from_size + 1] = '\0'; 1355c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from, from_size - 1), RightOOBErrorMessage(0)); 1356c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "to" is just enough. 1357c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, from_size - 2); 1358c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1359c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(to); 1360c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(from); 13610985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany} 13620985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 1363c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryanystatic string OverlapErrorMessage(const string &func) { 1364c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany return func + "-param-overlap"; 1365c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany} 13661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13671e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrArgsOverlapTest) { 13681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 13691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *str = Ident((char*)malloc(size)); 13701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13710503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko// Do not check memcpy() on OS X 10.7 and later, where it actually aliases 13720503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko// memmove(). 13730503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#if !defined(__APPLE__) || !defined(MAC_OS_X_VERSION_10_7) || \ 13740503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7) 13751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "memcpy". Use Ident() to avoid inlining. 13761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(memcpy)(str + 1, str + 11, 10); 13781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(memcpy)(str, str, 0); 1379c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(Ident(memcpy)(str, str + 14, 15), OverlapErrorMessage("memcpy")); 1380c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(Ident(memcpy)(str + 14, str, 15), OverlapErrorMessage("memcpy")); 13810503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#endif 1382c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1383c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // We do not treat memcpy with to==from as a bug. 1384c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // See http://llvm.org/bugs/show_bug.cgi?id=11763. 1385c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // EXPECT_DEATH(Ident(memcpy)(str + 20, str + 20, 1), 1386c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // OverlapErrorMessage("memcpy")); 13871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "strcpy". 13891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[9] = '\0'; 13911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(str + 10, str); 1392c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcpy(str + 9, str), OverlapErrorMessage("strcpy")); 1393c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcpy(str, str + 4), OverlapErrorMessage("strcpy")); 13941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(str, str + 5); 13951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "strncpy". 13971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(str, str + 10, 10); 1399c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str, str + 9, 10), OverlapErrorMessage("strncpy")); 1400c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str + 9, str, 10), OverlapErrorMessage("strncpy")); 14011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[10] = '\0'; 14021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(str + 11, str, 20); 1403c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str + 10, str, 20), OverlapErrorMessage("strncpy")); 14041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14050985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Check "strcat". 14060985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany memset(str, 'z', size); 14070985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[10] = '\0'; 14080985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[20] = '\0'; 14090985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str, str + 10); 141037b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko EXPECT_DEATH(strcat(str, str + 11), OverlapErrorMessage("strcat")); 14110985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[10] = '\0'; 14120985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str + 11, str); 1413c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str, str + 9), OverlapErrorMessage("strcat")); 1414c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str + 9, str), OverlapErrorMessage("strcat")); 1415c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str + 10, str), OverlapErrorMessage("strcat")); 14160985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 1417c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // Check "strncat". 1418c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov memset(str, 'z', size); 1419c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[10] = '\0'; 1420c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(str, str + 10, 10); // from is empty 142137b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko EXPECT_DEATH(strncat(str, str + 11, 10), OverlapErrorMessage("strncat")); 1422c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[10] = '\0'; 1423c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[20] = '\0'; 1424c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(str + 5, str, 5); 1425c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[10] = '\0'; 1426c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(str + 5, str, 6), OverlapErrorMessage("strncat")); 1427c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(str, str + 9, 10), OverlapErrorMessage("strncat")); 1428c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 14291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 14301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1432847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid CallAtoi(const char *nptr) { 1433847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Ident(atoi(nptr)); 1434847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1435847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid CallAtol(const char *nptr) { 1436847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Ident(atol(nptr)); 1437847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1438847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid CallAtoll(const char *nptr) { 1439847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Ident(atoll(nptr)); 1440847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1441847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovtypedef void(*PointerToCallAtoi)(const char*); 1442847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov 1443847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid RunAtoiOOBTest(PointerToCallAtoi Atoi) { 1444847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov char *array = MallocAndMemsetString(10, '1'); 1445847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Invalid pointer to the string. 1446847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array + 11), RightOOBErrorMessage(1)); 1447847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array - 1), LeftOOBErrorMessage(1)); 1448847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Die if a buffer doesn't have terminating NULL. 1449847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array), RightOOBErrorMessage(0)); 1450847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Make last symbol a terminating NULL or other non-digit. 1451847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[9] = '\0'; 1452847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array); 1453847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[9] = 'a'; 1454847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array); 1455847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array + 9); 1456847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Sometimes we need to detect overflow if no digits are found. 1457847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov memset(array, ' ', 10); 1458847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array), RightOOBErrorMessage(0)); 1459847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[9] = '-'; 1460847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array), RightOOBErrorMessage(0)); 1461847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array + 9), RightOOBErrorMessage(0)); 1462847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[8] = '-'; 1463847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array); 1464847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov delete array; 1465847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1466847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov 1467847f932ab0405757946433b81d3b2952b306b0bcAlexey SamsonovTEST(AddressSanitizer, AtoiAndFriendsOOBTest) { 1468847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov RunAtoiOOBTest(&CallAtoi); 1469847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov RunAtoiOOBTest(&CallAtol); 1470847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov RunAtoiOOBTest(&CallAtoll); 1471847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1472847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov 14738f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovvoid CallStrtol(const char *nptr, char **endptr, int base) { 14748f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Ident(strtol(nptr, endptr, base)); 14758f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14768f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovvoid CallStrtoll(const char *nptr, char **endptr, int base) { 14778f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Ident(strtoll(nptr, endptr, base)); 14788f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14798f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovtypedef void(*PointerToCallStrtol)(const char*, char**, int); 14808f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov 14818f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovvoid RunStrtolOOBTest(PointerToCallStrtol Strtol) { 148284ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov char *array = MallocAndMemsetString(3); 148384ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov char *endptr = NULL; 148484ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[0] = '1'; 148584ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[1] = '2'; 148684ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '3'; 148784ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Invalid pointer to the string. 14888f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array + 3, NULL, 0), RightOOBErrorMessage(0)); 14898f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array - 1, NULL, 0), LeftOOBErrorMessage(1)); 149084ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Buffer overflow if there is no terminating null (depends on base). 14918f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, &endptr, 3); 149284ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array + 2, endptr); 14938f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 149484ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = 'z'; 14958f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, &endptr, 35); 149684ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array + 2, endptr); 14978f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 36), RightOOBErrorMessage(0)); 149884ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Add terminating zero to get rid of overflow. 149984ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '\0'; 15008f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, NULL, 36); 150184ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Don't check for overflow if base is invalid. 15028f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array - 1, NULL, -1); 15038f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array + 3, NULL, 1); 150484ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Sometimes we need to detect overflow if no digits are found. 150584ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[0] = array[1] = array[2] = ' '; 15068f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 150784ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '+'; 15088f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 150984ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '-'; 15108f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 151184ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[1] = '+'; 15128f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, NULL, 0); 151384ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[1] = array[2] = 'z'; 15148f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, &endptr, 0); 151584ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array, endptr); 15168f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array + 2, NULL, 0); 151784ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array, endptr); 151884ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov delete array; 151984ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov} 152084ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov 15218f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey SamsonovTEST(AddressSanitizer, StrtollOOBTest) { 15228f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov RunStrtolOOBTest(&CallStrtoll); 15238f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 15248f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey SamsonovTEST(AddressSanitizer, StrtolOOBTest) { 15258f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov RunStrtolOOBTest(&CallStrtol); 15268f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 15278f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov 15281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// At the moment we instrument memcpy/memove/memset calls at compile time so we 15291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// can't handle OOB error if these functions are called by pointer, see disabled 15301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// MemIntrinsicCallByPointerTest below 15311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef void*(*PointerToMemTransfer)(void*, const void*, size_t); 15321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef void*(*PointerToMemSet)(void*, int, size_t); 15331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid CallMemSetByPointer(PointerToMemSet MemSet) { 15351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 15361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *array = Ident((char*)malloc(size)); 15371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(MemSet(array, 0, 101), RightOOBErrorMessage(0)); 15381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(array); 15391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid CallMemTransferByPointer(PointerToMemTransfer MemTransfer) { 15421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 15431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *src = Ident((char*)malloc(size)); 15441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *dst = Ident((char*)malloc(size)); 15451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(MemTransfer(dst, src, 101), RightOOBErrorMessage(0)); 15461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(src); 15471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(dst); 15481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15501e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MemIntrinsicCallByPointerTest) { 15511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemSetByPointer(&memset); 15521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemTransferByPointer(&memcpy); 15531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemTransferByPointer(&memmove); 15541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test case fails 15571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Clang optimizes memcpy/memset calls which lead to unaligned access 15581e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MemIntrinsicUnalignedAccessTest) { 15591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int size = Ident(4096); 15601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s = Ident((char*)malloc(size)); 15611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(s + size - 1, 0, 2), RightOOBErrorMessage(0)); 15621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s); 15631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add a test with malloc(0) 15661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add tests for str* and mem* functions. 15671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1568938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static int LargeFunction(bool do_bad_access) { 15691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = new int[100]; 15701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[0]++; 15711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[1]++; 15721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[2]++; 15731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[3]++; 15741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[4]++; 15751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[5]++; 15761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[6]++; 15771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[7]++; 15781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[8]++; 15791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[9]++; 15801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[do_bad_access ? 100 : 0]++; int res = __LINE__; 15821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[10]++; 15841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[11]++; 15851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[12]++; 15861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[13]++; 15871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[14]++; 15881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[15]++; 15891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[16]++; 15901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[17]++; 15911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[18]++; 15921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[19]++; 15931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete x; 15951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return res; 15961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Test the we have correct debug info for the failing instruction. 15991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test requires the in-process symbolizer to be enabled by default. 16001e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_LargeFunctionSymbolizeTest) { 16011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int failing_line = LargeFunction(false); 16021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_warning[128]; 16031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_warning, "LargeFunction.*asan_test.cc:%d", failing_line); 16041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(LargeFunction(true), expected_warning); 16051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Check that we unwind and symbolize correctly. 16081e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MallocFreeUnwindAndSymbolizeTest) { 16091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc_aaa(sizeof(int)); 16101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *a = 1; 16111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(a); 16121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*a = 1, "free_ccc.*free_bbb.*free_aaa.*" 16131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "malloc_fff.*malloc_eee.*malloc_ddd"); 16141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestAlloc(void *a) { 16171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 16181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *p = new int; 16191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 16201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestFree(void *a) { 16231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 16241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete *p; 16251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 16261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestUse(void *a) { 16291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 16301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany **p = 1; 16311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 16321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid ThreadedTestSpawn() { 16351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 16361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x; 16371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestAlloc, &x); 16381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 16391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestFree, &x); 16401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 16411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestUse, &x); 16421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 16431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16451e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedTest) { 16461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(ThreadedTestSpawn(), 16471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_PCRE_DOTALL 16481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "Thread T.*created" 16491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created" 16501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created"); 16511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 16541e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ShadowGapTest) { 16555af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#if SANITIZER_WORDSIZE == 32 16561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x22000000; 16571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 16581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x0000100000080000; 16591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 1660ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany EXPECT_DEATH(*addr = 1, "AddressSanitizer: SEGV on unknown"); 16611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_NEEDS_SEGV 16631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyextern "C" { 1665938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void UseThenFreeThenUse() { 16661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = Ident((char*)malloc(8)); 16671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 1; 16681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(x); 16691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 2; 16701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16731e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UseThenFreeThenUseTest) { 16741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(UseThenFreeThenUse(), "freed by thread"); 16751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16771e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrDupTest) { 16781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(strdup(Ident("123"))); 16791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Currently we create and poison redzone at right of global variables. 16821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanychar glob5[5]; 16831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic char static110[110]; 16841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyconst char ConstGlob[7] = {1, 2, 3, 4, 5, 6, 7}; 16851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const char StaticConstGlob[3] = {9, 8, 7}; 16861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyextern int GlobalsTest(int x); 16871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16881e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalTest) { 16891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char func_static15[15]; 16901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs1[10]; 16921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs2[10]; 16931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs3[10]; 16941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(0)] = 0; 16961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(1)] = 0; 16971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(2)] = 0; 16981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(3)] = 0; 16991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(4)] = 0; 17001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5)] = 0, 17021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable.*glob5.* size 5"); 17031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5+6)] = 0, 17041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "6 bytes to the right of global variable.*glob5.* size 5"); 17051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(static110); // avoid optimizations 17061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(0)] = 0; 17071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(109)] = 0; 17081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110)] = 0, 17091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 17101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110+7)] = 0, 17111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "7 bytes to the right of global variable"); 17121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(func_static15); // avoid optimizations 17141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany func_static15[Ident(0)] = 0; 17151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15)] = 0, 17161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 17171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15 + 9)] = 0, 17181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "9 bytes to the right of global variable"); 17191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs1); 17211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs2); 17221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs3); 17231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We don't create left redzones, so this is not 100% guaranteed to fail. 17251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // But most likely will. 17261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(fs2[Ident(-1)] = 0, "is located.*of global variable"); 17271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(ConstGlob)[8]), 17291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 1 bytes to the right of .*ConstGlob"); 17301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(StaticConstGlob)[5]), 17311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 2 bytes to the right of .*StaticConstGlob"); 17321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // call stuff from another file. 17341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany GlobalsTest(0); 17351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17371e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalStringConstTest) { 17381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static const char *zoo = "FOOBAR123"; 17391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *p = Ident(zoo); 17401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(p[15]), "is ascii string 'FOOBAR123'"); 17411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1743c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya SerebryanyTEST(AddressSanitizer, FileNameInGlobalReportTest) { 1744c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany static char zoo[10]; 1745c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany const char *p = Ident(zoo); 1746c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany // The file name should be present in the report. 1747c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany EXPECT_DEATH(Ident(p[15]), "zoo.*asan_test.cc"); 1748c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany} 1749c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany 17501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyint *ReturnsPointerToALocalObject() { 17511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a = 0; 17521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return Ident(&a); 17531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1755918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#if ASAN_UAR == 1 17561e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LocalReferenceReturnTest) { 17571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *(*f)() = Ident(ReturnsPointerToALocalObject); 1758918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany int *p = f(); 1759918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany // Call 'f' a few more times, 'p' should still be poisoned. 1760918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany for (int i = 0; i < 32; i++) 1761918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany f(); 1762ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany EXPECT_DEATH(*p = 1, "AddressSanitizer: stack-use-after-return"); 1763918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany EXPECT_DEATH(*p = 1, "is located.*in frame .*ReturnsPointerToALocal"); 17641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1765918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#endif 17661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate <int kSize> 1768938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void FuncWithStack() { 17691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char x[kSize]; 17701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[0] = 0; 17711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[kSize-1] = 0; 17721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void LotsOfStackReuse() { 17751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int LargeStack[10000]; 17761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 17771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 17781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 1>(); 17791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 2>(); 17801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 4>(); 17811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 8>(); 17821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 16>(); 17831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 32>(); 17841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 64>(); 17851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 128>(); 17861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 256>(); 17871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 512>(); 17881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 17891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17921e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StressStackReuseTest) { 17931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LotsOfStackReuse(); 17941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17961e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedStressStackReuseTest) { 17971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumThreads = 20; 17981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 17991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 18001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t[i], 0, (void* (*)(void *x))LotsOfStackReuse, 0); 18011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 18021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 18031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 18041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 18051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1807f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryanystatic void *PthreadExit(void *a) { 1808f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_exit(0); 18097b7b55e99166511ce1e66bf6b79c46ae4aa60d17Evgeniy Stepanov return 0; 1810f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1811f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 1812f58f998066db0231e521169d2f50af439ceecb49Kostya SerebryanyTEST(AddressSanitizer, PthreadExitTest) { 1813f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_t t; 1814f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany for (int i = 0; i < 1000; i++) { 1815f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_create(&t, 0, PthreadExit, 0); 1816f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_join(t, 0); 1817f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany } 1818f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1819f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 18201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __EXCEPTIONS 1821938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void StackReuseAndException() { 18221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int large_stack[1000]; 18231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(large_stack); 18241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 18251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(kcc): support exceptions with use-after-return. 18281e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_StressStackReuseAndExceptionsTest) { 18291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 18301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 18311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StackReuseAndException(); 18321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) { 18331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 18341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 18351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 18371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18381e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MlockTest) { 18391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlockall(MCL_CURRENT)); 18401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlock((void*)0x12345, 0x5678)); 18411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlockall()); 18421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlock((void*)0x987, 0x654)); 18431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1845c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryanystruct LargeStruct { 1846c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany int foo[100]; 1847c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany}; 1848c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1849c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Test for bug http://llvm.org/bugs/show_bug.cgi?id=11763. 1850c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Struct copy should not cause asan warning even if lhs == rhs. 1851c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya SerebryanyTEST(AddressSanitizer, LargeStructCopyTest) { 1852c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany LargeStruct a; 1853c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany *Ident(&a) = *Ident(&a); 1854c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany} 1855c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 18561cffef3e39cad4eb33606afbebac78d6637361acAlexey SamsonovATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS 18573be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryanystatic void NoAddressSafety() { 18583be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany char *foo = new char[10]; 18593be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany Ident(foo)[10] = 0; 18603be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany delete [] foo; 18613be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 18623be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 18633be19f4fa3519e358fd41a5feda82c39a22ef107Kostya SerebryanyTEST(AddressSanitizer, AttributeNoAddressSafetyTest) { 18643be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany Ident(NoAddressSafety)(); 18653be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 18663be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 18671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// ------------------ demo tests; run each one-by-one ------------- 18681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// e.g. --gtest_filter=*DemoOOBLeftHigh --gtest_also_run_disabled_tests 18691e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadedTest) { 18701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThreadedTestSpawn(); 18711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *SimpleBugOnSTack(void *x = 0) { 18741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[20]; 18751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[20] = 0; 18761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 18771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18791e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoStackTest) { 18801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SimpleBugOnSTack(); 18811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18831e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadStackTest) { 18841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 18851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, SimpleBugOnSTack, 0); 18861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 18871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18891e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowIn) { 18901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 0); 18911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18921e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowLeft) { 18931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, -2); 18941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18951e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowRight) { 18961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 10); 18971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18991e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFHigh) { 19001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(kLargeMalloc, 0); 19011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19031e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBLeftLow) { 19041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(10, -1); 19051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19071e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBLeftHigh) { 19081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(kLargeMalloc, -1); 19091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19111e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBRightLow) { 19121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(10, 10); 19131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19151e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBRightHigh) { 19161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(kLargeMalloc, kLargeMalloc); 19171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19191e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOM) { 19205af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany size_t size = SANITIZER_WORDSIZE == 64 ? (size_t)(1ULL << 40) : (0xf0000000); 19211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany printf("%p\n", malloc(size)); 19221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19241e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoDoubleFreeTest) { 19251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany DoubleFree(); 19261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19281e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoNullDerefTest) { 19291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = 0; 19301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[10] = 0; 19311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19331e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoFunctionStaticTest) { 19341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char a[100]; 19351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char b[100]; 19361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char c[100]; 19371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a); 19381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b); 19391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(c); 19401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 19411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b)[105] = 0; 19421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 19431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19451e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoTooMuchMemoryTest) { 19461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const size_t kAllocSize = (1 << 28) - 1024; 19471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t total_size = 0; 19481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany while (true) { 19491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = (char*)malloc(kAllocSize); 19501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(x, 0, kAllocSize); 19511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany total_size += kAllocSize; 19520aa04b3f432bc55e7c116d5280685ee3f243be8eKostya Serebryany fprintf(stderr, "total: %ldM %p\n", (long)total_size >> 20, x); 19531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 19541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19564eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany// http://code.google.com/p/address-sanitizer/issues/detail?id=66 19570796393f2088e3b75c4110934451160eeb037fabKostya SerebryanyTEST(AddressSanitizer, BufferOverflowAfterManyFrees) { 19584eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany for (int i = 0; i < 1000000; i++) { 19594eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany delete [] (Ident(new char [8644])); 19604eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany } 19614eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany char *x = new char[8192]; 1962ca9b5dd9922fb7f6e0ca06dbba7db7398b8997f1Kostya Serebryany EXPECT_DEATH(x[Ident(8192)] = 0, "AddressSanitizer: heap-buffer-overflow"); 19634eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany delete [] Ident(x); 19644eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany} 19654eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany 19661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __APPLE__ 19671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include "asan_mac_test.h" 1968effd6bf516b7109460647253aa1a62046ca9bb7aAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocatorDefaultDoubleFree) { 19691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH( 197043d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko CFAllocatorDefaultDoubleFree(NULL), 19711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "attempting double-free"); 19721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 197443d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenkovoid CFAllocator_DoubleFreeOnPthread() { 197543d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko pthread_t child; 197643d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko pthread_create(&child, NULL, CFAllocatorDefaultDoubleFree, NULL); 197743d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko pthread_join(child, NULL); // Shouldn't be reached. 197843d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko} 197943d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko 198075b19ebf25af204cf209d108997272822241d6daAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocatorDefaultDoubleFree_ChildPhread) { 198143d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko EXPECT_DEATH(CFAllocator_DoubleFreeOnPthread(), "attempting double-free"); 1982f4e8fc675ab52d0b3022847764a70ed7f03817bdAlexander Potapenko} 198343d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko 198475b19ebf25af204cf209d108997272822241d6daAlexander Potapenkonamespace { 198575b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 198675b19ebf25af204cf209d108997272822241d6daAlexander Potapenkovoid *GLOB; 198775b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 198875b19ebf25af204cf209d108997272822241d6daAlexander Potapenkovoid *CFAllocatorAllocateToGlob(void *unused) { 198975b19ebf25af204cf209d108997272822241d6daAlexander Potapenko GLOB = CFAllocatorAllocate(NULL, 100, /*hint*/0); 199075b19ebf25af204cf209d108997272822241d6daAlexander Potapenko return NULL; 199175b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} 199275b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 199375b19ebf25af204cf209d108997272822241d6daAlexander Potapenkovoid *CFAllocatorDeallocateFromGlob(void *unused) { 199475b19ebf25af204cf209d108997272822241d6daAlexander Potapenko char *p = (char*)GLOB; 199575b19ebf25af204cf209d108997272822241d6daAlexander Potapenko p[100] = 'A'; // ASan should report an error here. 199675b19ebf25af204cf209d108997272822241d6daAlexander Potapenko CFAllocatorDeallocate(NULL, GLOB); 199775b19ebf25af204cf209d108997272822241d6daAlexander Potapenko return NULL; 199875b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} 199975b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 200075b19ebf25af204cf209d108997272822241d6daAlexander Potapenkovoid CFAllocator_PassMemoryToAnotherThread() { 200175b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_t th1, th2; 200275b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_create(&th1, NULL, CFAllocatorAllocateToGlob, NULL); 200375b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_join(th1, NULL); 200475b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_create(&th2, NULL, CFAllocatorDeallocateFromGlob, NULL); 200575b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_join(th2, NULL); 200675b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} 200775b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 200875b19ebf25af204cf209d108997272822241d6daAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocator_PassMemoryToAnotherThread) { 200975b19ebf25af204cf209d108997272822241d6daAlexander Potapenko EXPECT_DEATH(CFAllocator_PassMemoryToAnotherThread(), 201075b19ebf25af204cf209d108997272822241d6daAlexander Potapenko "heap-buffer-overflow"); 201175b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} 201275b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 201375b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} // namespace 201475b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 2015effd6bf516b7109460647253aa1a62046ca9bb7aAlexander Potapenko// TODO(glider): figure out whether we still need these tests. Is it correct 2016effd6bf516b7109460647253aa1a62046ca9bb7aAlexander Potapenko// to intercept the non-default CFAllocators? 20171e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorSystemDefaultDoubleFree) { 20181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH( 20191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CFAllocatorSystemDefaultDoubleFree(), 20201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "attempting double-free"); 20211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 202343d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko// We're intercepting malloc, so kCFAllocatorMalloc is routed to ASan. 2024effd6bf516b7109460647253aa1a62046ca9bb7aAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocatorMallocDoubleFree) { 20251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(CFAllocatorMallocDoubleFree(), "attempting double-free"); 20261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20281e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorMallocZoneDoubleFree) { 20291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(CFAllocatorMallocZoneDoubleFree(), "attempting double-free"); 20301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 203296bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchAsync) { 20331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchAsync(), "Shadow byte and word"); 20361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 203896bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchSync) { 20391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchSync(), "Shadow byte and word"); 20421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 204596bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDReuseWqthreadsAsync) { 20461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDReuseWqthreadsAsync(), "Shadow byte and word"); 20491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 205196bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDReuseWqthreadsSync) { 20521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDReuseWqthreadsSync(), "Shadow byte and word"); 20551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 205796bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchAfter) { 20581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchAfter(), "Shadow byte and word"); 20611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 206396bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDSourceEvent) { 20641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDSourceEvent(), "Shadow byte and word"); 20671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 206996bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDSourceCancel) { 20701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDSourceCancel(), "Shadow byte and word"); 20731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 207596bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDGroupAsync) { 20761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDGroupAsync(), "Shadow byte and word"); 20791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *MallocIntrospectionLockWorker(void *_) { 20821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumPointers = 100; 20831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int i; 20841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *pointers[kNumPointers]; 20851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumPointers; i++) { 20861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pointers[i] = malloc(i + 1); 20871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumPointers; i++) { 20891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(pointers[i]); 20901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 20931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *MallocIntrospectionLockForker(void *_) { 20961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pid_t result = fork(); 20971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (result == -1) { 20981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany perror("fork"); 20991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 21001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(result != -1); 21011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (result == 0) { 21021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Call malloc in the child process to make sure we won't deadlock. 21031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *ptr = malloc(42); 21041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(ptr); 21051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany exit(0); 21061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 21071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Return in the parent process. 21081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 21091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 21101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 21111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 21121e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, MallocIntrospectionLock) { 21131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Incorrect implementation of force_lock and force_unlock in our malloc zone 21141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // will cause forked processes to deadlock. 21151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(glider): need to detect that none of the child processes deadlocked. 21161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumWorkers = 5, kNumIterations = 100; 21171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int i, iter; 21181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (iter = 0; iter < kNumIterations; iter++) { 21191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t workers[kNumWorkers], forker; 21201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumWorkers; i++) { 21211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&workers[i], 0, MallocIntrospectionLockWorker, 0); 21221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 21231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&forker, 0, MallocIntrospectionLockForker, 0); 21241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumWorkers; i++) { 21251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(workers[i], 0); 21261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 21271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(forker, 0); 21281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 21291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 21301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 21311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *TSDAllocWorker(void *test_key) { 21321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (test_key) { 21331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *mem = malloc(10); 21341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_setspecific(*(pthread_key_t*)test_key, mem); 21351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 21361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 21371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 21381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 21391e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_TSDWorkqueueTest) { 21401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 21411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_t test_key; 21421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_create(&test_key, CallFreeOnWorkqueue); 21431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDAllocWorker, &test_key); 21441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 21451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_delete(test_key); 21461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2147fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko 2148fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko// Test that CFStringCreateCopy does not copy constant strings. 2149431e51782d62d1257348e41e24da6b544fe70507Alexander PotapenkoTEST(AddressSanitizerMac, CFStringCreateCopy) { 2150fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko CFStringRef str = CFSTR("Hello world!\n"); 2151fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko CFStringRef str2 = CFStringCreateCopy(0, str); 2152fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko EXPECT_EQ(str, str2); 2153fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko} 2154fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko 21558c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander PotapenkoTEST(AddressSanitizerMac, NSObjectOOB) { 21568c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander Potapenko // Make sure that our allocators are used for NSObjects. 21578c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander Potapenko EXPECT_DEATH(TestOOBNSObjects(), "heap-buffer-overflow"); 21588c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander Potapenko} 2159df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko 2160df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko// Make sure that correct pointer is passed to free() when deallocating a 2161df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko// NSURL object. 2162df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko// See http://code.google.com/p/address-sanitizer/issues/detail?id=70. 2163e205a9daec9ec4afed956cf5455889725b9192fbAlexander PotapenkoTEST(AddressSanitizerMac, NSURLDeallocation) { 2164df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko TestNSURLDeallocation(); 2165df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko} 2166ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko 2167ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko// See http://code.google.com/p/address-sanitizer/issues/detail?id=109. 2168ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander PotapenkoTEST(AddressSanitizerMac, Mstats) { 2169ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko malloc_statistics_t stats1, stats2; 2170ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko malloc_zone_statistics(/*all zones*/NULL, &stats1); 2171ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko const int kMallocSize = 100000; 2172ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko void *alloc = Ident(malloc(kMallocSize)); 2173ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko malloc_zone_statistics(/*all zones*/NULL, &stats2); 2174ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko EXPECT_GT(stats2.blocks_in_use, stats1.blocks_in_use); 2175ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko EXPECT_GE(stats2.size_in_use - stats1.size_in_use, kMallocSize); 2176ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko free(alloc); 2177ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko // Even the default OSX allocator may not change the stats after free(). 2178ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko} 21791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 21801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 21815b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// Test that instrumentation of stack allocations takes into account 21825b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// AllocSize of a type, and not its StoreSize (16 vs 10 bytes for long double). 21835b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// See http://llvm.org/bugs/show_bug.cgi?id=12047 for more details. 21845b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy StepanovTEST(AddressSanitizer, LongDoubleNegativeTest) { 21855b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov long double a, b; 21869b90e95d4dc59c6d97ed73b2470f5e21e7b346d5Kostya Serebryany static long double c; 21875b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov memcpy(Ident(&a), Ident(&b), sizeof(long double)); 21889b90e95d4dc59c6d97ed73b2470f5e21e7b346d5Kostya Serebryany memcpy(Ident(&c), Ident(&b), sizeof(long double)); 218976e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov} 2190