asan_test.cc revision 58b017bb286a8f4413a9348d2c87c52de38cff6d
1e5f5895bda30f374b0b51412fd4d837fa59aed66Alexey 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_config.h" 281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include "asan_test_utils.h" 291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <malloc.h> 32fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko#else 33ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko#include <malloc/malloc.h> 340503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#include <AvailabilityMacros.h> // For MAC_OS_X_VERSION_* 35fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko#include <CoreFoundation/CFString.h> 361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_HAS_EXCEPTIONS 391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany# define ASAN_THROW(x) throw (x) 401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany# define ASAN_THROW(x) 421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <sys/mman.h> 451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint8_t U1; 471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint16_t U2; 481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint32_t U4; 491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint64_t U8; 501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const char *progname; 521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const int kPageSize = 4096; 531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Simple stand-alone pseudorandom number generator. 551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Current algorithm is ANSI C linear congruential PRNG. 561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic inline uint32_t my_rand(uint32_t* state) { 571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return (*state = *state * 1103515245 + 12345) >> 16; 581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic uint32_t global_seed = 0; 611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyconst size_t kLargeMalloc = 1 << 24; 631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 642dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 65938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void asan_write(T *a) { 661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *a = 0; 671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 69938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void asan_write_sized_aligned(uint8_t *p, size_t size) { 7076e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, ((uintptr_t)p % size)); 711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (size == 1) asan_write((uint8_t*)p); 721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 2) asan_write((uint16_t*)p); 731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 4) asan_write((uint32_t*)p); 741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 8) asan_write((uint64_t*)p); 751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 77938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_fff(size_t size) { 781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc/**/(size); break_optimization(0); return res;} 79938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_eee(size_t size) { 801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_fff(size); break_optimization(0); return res;} 81938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_ddd(size_t size) { 821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_eee(size); break_optimization(0); return res;} 83938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_ccc(size_t size) { 841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ddd(size); break_optimization(0); return res;} 85938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_bbb(size_t size) { 861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ccc(size); break_optimization(0); return res;} 87938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_aaa(size_t size) { 881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_bbb(size); break_optimization(0); return res;} 891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 91938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_fff(size_t alignment, size_t size) { 921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign/**/(alignment, size); break_optimization(0); return res;} 93938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_eee(size_t alignment, size_t size) { 941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_fff(alignment, size); break_optimization(0); return res;} 95938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_ddd(size_t alignment, size_t size) { 961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_eee(alignment, size); break_optimization(0); return res;} 97938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_ccc(size_t alignment, size_t size) { 981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_ddd(alignment, size); break_optimization(0); return res;} 99938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_bbb(size_t alignment, size_t size) { 1001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_ccc(alignment, size); break_optimization(0); return res;} 101938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_aaa(size_t alignment, size_t size) { 1021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_bbb(alignment, size); break_optimization(0); return res;} 1031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 1041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 106938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_ccc(void *p) { free(p); break_optimization(0);} 107938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_bbb(void *p) { free_ccc(p); break_optimization(0);} 108938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_aaa(void *p) { free_bbb(p); break_optimization(0);} 1091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1102dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 111938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void oob_test(int size, int off) { 1121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = (char*)malloc_aaa(size); 1131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "writing %d byte(s) into [%p,%p) with offset %d\n", 1141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // sizeof(T), p, p + size, off); 1151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write((T*)(p + off)); 1161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(p); 1171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1202dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 121938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void uaf_test(int size, int off) { 1221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = (char *)malloc_aaa(size); 1231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(p); 1241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 1; i < 100; i++) 1251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(malloc_aaa(i)); 1261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "writing %ld byte(s) at %p with offset %d\n", 1271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany (long)sizeof(T), p, off); 1281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write((T*)(p + off)); 1291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13113ebae606b526399771e9cca1d6a9d24458ad0f1Kostya SerebryanyTEST(AddressSanitizer, HasFeatureAddressSanitizerTest) { 13213ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#if defined(__has_feature) && __has_feature(address_sanitizer) 13313ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 1; 13413ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#else 13513ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 0; 13613ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#endif 13713ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany EXPECT_EQ(true, asan); 1381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1401e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleDeathTest) { 1411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(exit(1), ""); 1421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1441e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VariousMallocsTest) { 1451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc(100 * sizeof(int)); 1461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[50] = 0; 1471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *r = (int*)malloc(10); 1501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r = (int*)realloc(r, 2000 * sizeof(int)); 1511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r[1000] = 0; 1521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(r); 1531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *b = new int[100]; 1551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany b[50] = 0; 1561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete [] b; 1571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *c = new int; 1591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *c = 0; 1601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete c; 1611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 162e0e9eea99d7a81a15c4bb15ff2e5ebd92b50817bEvgeniy Stepanov#if !defined(__APPLE__) && !defined(ANDROID) && !defined(__ANDROID__) 1631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *pm; 1641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int pm_res = posix_memalign((void**)&pm, kPageSize, kPageSize); 1651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, pm_res); 1661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(pm); 1677274eafceb832e1088f30b71652992787ba8c456Evgeniy Stepanov#endif 1681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1694dd8ba8238b1b698953628affe6e5b2edf3b3e3fAlexey Samsonov#if !defined(__APPLE__) 1701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ma = (int*)memalign(kPageSize, kPageSize); 17176e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)ma % kPageSize); 1721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ma[123] = 0; 1731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(ma); 1741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 1751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1771e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CallocTest) { 1781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)calloc(100, sizeof(int)); 1791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, a[10]); 1801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1831e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VallocTest) { 1841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *a = valloc(100); 18576e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)a % kPageSize); 1861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 1901e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, PvallocTest) { 1911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = (char*)pvalloc(kPageSize + 100); 19276e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)a % kPageSize); 1931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[kPageSize + 101] = 1; // we should not report an error here. 1941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a = (char*)pvalloc(0); // pvalloc(0) should allocate at least one page. 19776e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, (uintptr_t)a % kPageSize); 1981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[101] = 1; // we should not report an error here. 1991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 2001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 2021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *TSDWorker(void *test_key) { 2041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (test_key) { 2051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_setspecific(*(pthread_key_t*)test_key, (void*)0xfeedface); 2061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 2081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid TSDDestructor(void *tsd) { 2111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Spawning a thread will check that the current thread id is not -1. 2121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 2131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDWorker, NULL); 2141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 2151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This tests triggers the thread-specific data destruction fiasco which occurs 2181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// if we don't manage the TSD destructors ourselves. We create a new pthread 2191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// key with a non-NULL destructor which is likely to be put after the destructor 2201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// of AsanThread in the list of destructors. 2211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// In this case the TSD for AsanThread will be destroyed before TSDDestructor 2221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// is called for the child thread, and a CHECK will fail when we call 2231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// pthread_create() to spawn the grandchild. 2241e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_TSDTest) { 2251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 2261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_t test_key; 2271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_create(&test_key, TSDDestructor); 2281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDWorker, &test_key); 2291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 2301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_delete(test_key); 2311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2332dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 2341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid OOBTest() { 2351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 2361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int size = sizeof(T); size < 20; size += 5) { 2371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = -5; i < 0; i++) { 2381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 2391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*%d byte.*to the left"; 2401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, abs(i)); 2411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(size, i), expected_str); 2421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 24476e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov for (int i = 0; i < (int)(size - sizeof(T) + 1); i++) 2451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<T>(size, i); 2461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 24776e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov for (int i = size - sizeof(T) + 1; i <= (int)(size + 3 * sizeof(T)); i++) { 2481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 2491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*%d byte.*to the right"; 2501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int off = i >= size ? (i - size) : 0; 2511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // we don't catch unaligned partially OOB accesses. 2521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (i % sizeof(T)) continue; 2531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, off); 2541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(size, i), expected_str); 2551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(kLargeMalloc, -1), 2591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*1 byte.*to the left"); 2601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(kLargeMalloc, kLargeMalloc), 2611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*0 byte.*to the right"); 2621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(glider): the following tests are EXTREMELY slow on Darwin: 2651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOB_char (125503 ms) 2661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOB_int (126890 ms) 2671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOBRightTest (315605 ms) 2681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.SimpleStackTest (366559 ms) 2691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2701e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOB_char) { 2711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany OOBTest<U1>(); 2721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2741e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOB_int) { 2751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany OOBTest<U4>(); 2761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2781e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOBRightTest) { 2791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t access_size = 1; access_size <= 8; access_size *= 2) { 2801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t alloc_size = 1; alloc_size <= 8; alloc_size++) { 2811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t offset = 0; offset <= 8; offset += access_size) { 2821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *p = malloc(alloc_size); 2831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // allocated: [p, p + alloc_size) 2841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // accessed: [p + offset, p + offset + access_size) 2851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uint8_t *addr = (uint8_t*)p + offset; 2861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (offset + access_size <= alloc_size) { 2871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write_sized_aligned(addr, access_size); 2881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 2891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int outside_bytes = offset > alloc_size ? (offset - alloc_size) : 0; 2901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 2911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.%d *byte.*to the right"; 2921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 2931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, outside_bytes); 2941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(asan_write_sized_aligned(addr, access_size), 2951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany expected_str); 2961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(p); 2981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3031e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UAF_char) { 3041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *uaf_string = "AddressSanitizer.*heap-use-after-free"; 3051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(1, 0), uaf_string); 3061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 0), uaf_string); 3071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 10), uaf_string); 3081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, 0), uaf_string); 3091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, kLargeMalloc / 2), uaf_string); 3101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_HAS_BLACKLIST 3131e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, IgnoreTest) { 3141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = Ident(new int); 3151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 0; 3171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_HAS_BLACKLIST 3191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitField { 3211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf1:1; 3221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf2:1; 3231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf3:1; 3241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf4:29; 3251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3271e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldPositiveTest) { 3281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitField *x = new StructWithBitField; 3291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf1 = 0, "use-after-free"); 3311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf2 = 0, "use-after-free"); 3321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf3 = 0, "use-after-free"); 3331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf4 = 0, "use-after-free"); 33476e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov} 3351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitFields_8_24 { 3371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a:8; 3381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b:24; 3391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3411e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldNegativeTest) { 3421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitFields_8_24 *x = Ident(new StructWithBitFields_8_24); 3431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->a = 0; 3441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->b = 0; 3451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3481e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OutOfMemoryTest) { 3491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = __WORDSIZE == 64 ? (size_t)(1ULL << 48) : (0xf0000000); 3501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, realloc(0, size)); 3511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, realloc(0, ~Ident(0))); 3521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, malloc(size)); 3531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, malloc(~Ident(0))); 3541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, calloc(1, size)); 3551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, calloc(1, ~Ident(0))); 3561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 35958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkonamespace { 36058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 36158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkoconst char kUnknownCrash[] = "AddressSanitizer crashed on unknown address"; 36258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkoconst char kOverriddenHandler[] = "ASan signal handler has been overridden\n"; 36358b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 3641e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WildAddressTest) { 3651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *c = (char*)0x123; 36658b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_DEATH(*c = 0, kUnknownCrash); 36758b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 36858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 36958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkovoid my_sigaction_sighandler(int, siginfo_t*, void*) { 37058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko fprintf(stderr, kOverriddenHandler); 37158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko exit(1); 37258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 37358b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 37458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenkovoid my_signal_sighandler(int) { 37558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko fprintf(stderr, kOverriddenHandler); 37658b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko exit(1); 37758b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 37858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 37958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander PotapenkoTEST(AddressSanitizer, SignalTest) { 38058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko struct sigaction sigact; 38158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko memset(&sigact, 0, sizeof(sigact)); 38258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko sigact.sa_sigaction = my_sigaction_sighandler; 38358b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko sigact.sa_flags = SA_SIGINFO; 38458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko // ASan should silently ignore sigaction()... 38558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_EQ(0, sigaction(SIGSEGV, &sigact, 0)); 38658b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko#ifdef __APPLE__ 38758b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_EQ(0, sigaction(SIGBUS, &sigact, 0)); 38858b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko#endif 38958b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko char *c = (char*)0x123; 39058b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_DEATH(*c = 0, kUnknownCrash); 39158b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko // ... and signal(). 39258b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_EQ(0, signal(SIGSEGV, my_signal_sighandler)); 39358b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko EXPECT_DEATH(*c = 0, kUnknownCrash); 39458b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko} 39558b017bb286a8f4413a9348d2c87c52de38cff6dAlexander Potapenko 3961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 3981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void MallocStress(size_t n) { 4001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uint32_t seed = my_rand(&global_seed); 4011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t iter = 0; iter < 10; iter++) { 4021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vector<void *> vec; 4031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < n; i++) { 4041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if ((i % 3) == 0) { 4051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (vec.empty()) continue; 4061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t idx = my_rand(&seed) % vec.size(); 4071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *ptr = vec[idx]; 4081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec[idx] = vec.back(); 4091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec.pop_back(); 4101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(ptr); 4111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 4121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = my_rand(&seed) % 1000 + 1; 4131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 4141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t alignment = 1 << (my_rand(&seed) % 7 + 3); 4151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *ptr = (char*)memalign_aaa(alignment, size); 4161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 4171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *ptr = (char*) malloc_aaa(size); 4181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 4191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec.push_back(ptr); 4201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[0] = 0; 4211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[size-1] = 0; 4221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[size/2] = 0; 4231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < vec.size(); i++) 4261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(vec[i]); 4271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4301e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MallocStressTest) { 4318ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov MallocStress((ASAN_LOW_MEMORY) ? 20000 : 200000); 4321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void TestLargeMalloc(size_t size) { 4351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char buff[1024]; 4361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(buff, "is located 1 bytes to the left of %lu-byte", (long)size); 4371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident((char*)malloc(size))[-1] = 0, buff); 4381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4401e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LargeMallocTest) { 4411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 113; i < (1 << 28); i = i * 2 + 13) { 4421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TestLargeMalloc(i); 4431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 446788e1d704436065beb514fdde86070f61d0394edEvgeniy Stepanov#if ASAN_LOW_MEMORY != 1 4471e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, HugeMallocTest) { 4481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __APPLE__ 4491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // It was empirically found out that 1215 megabytes is the maximum amount of 450e4d141dbbaf5185f332a185c22308340657d243eKostya Serebryany // memory available to the process under AddressSanitizer on 32-bit Mac 10.6. 451e4d141dbbaf5185f332a185c22308340657d243eKostya Serebryany // 32-bit Mac 10.7 gives even less (< 1G). 4521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // (the libSystem malloc() allows allocating up to 2300 megabytes without 4531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // ASan). 454e4d141dbbaf5185f332a185c22308340657d243eKostya Serebryany size_t n_megs = __WORDSIZE == 32 ? 500 : 4100; 4551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 4561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t n_megs = __WORDSIZE == 32 ? 2600 : 4100; 4571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 4581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TestLargeMalloc(n_megs << 20); 4591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 460788e1d704436065beb514fdde86070f61d0394edEvgeniy Stepanov#endif 4611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4621e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedMallocStressTest) { 4631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumThreads = 4; 4648ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov const int kNumIterations = (ASAN_LOW_MEMORY) ? 10000 : 100000; 4651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 4661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 4678ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov pthread_create(&t[i], 0, (void* (*)(void *x))MallocStress, 4688ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov (void*)kNumIterations); 4691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 4711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 4721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ManyThreadsWorker(void *a) { 4761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int iter = 0; iter < 100; iter++) { 4771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t size = 100; size < 2000; size *= 2) { 4781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(Ident(malloc(size))); 4791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 4821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4841e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyThreadsTest) { 485918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany const size_t kNumThreads = __WORDSIZE == 32 ? 30 : 1000; 4861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 4871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 4881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t[i], 0, (void* (*)(void *x))ManyThreadsWorker, (void*)i); 4891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 4911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 4921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4951e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ReallocTest) { 4961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kMinElem = 5; 4971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ptr = (int*)malloc(sizeof(int) * kMinElem); 4981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[3] = 3; 4991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 5001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr = (int*)realloc(ptr, 5011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany (my_rand(&global_seed) % 1000 + kMinElem) * sizeof(int)); 5021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(3, ptr[3]); 5031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 5041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5064fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov#ifndef __APPLE__ 5074fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonovstatic const char *kMallocUsableSizeErrorMsg = 5084fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov "AddressSanitizer attempting to call malloc_usable_size()"; 5094fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 5104fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey SamsonovTEST(AddressSanitizer, MallocUsableSizeTest) { 5114fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov const size_t kArraySize = 100; 5124fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov char *array = Ident((char*)malloc(kArraySize)); 5134fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov int *int_ptr = Ident(new int); 51476e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, malloc_usable_size(NULL)); 5154fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(kArraySize, malloc_usable_size(array)); 5164fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(sizeof(int), malloc_usable_size(int_ptr)); 5174fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size((void*)0x123), kMallocUsableSizeErrorMsg); 5184fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array + kArraySize / 2), 5194fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov kMallocUsableSizeErrorMsg); 5204fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov free(array); 5214fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array), kMallocUsableSizeErrorMsg); 5224fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov} 5234fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov#endif 5244fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 5251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid WrongFree() { 5261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 5271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Use the allocated memory, otherwise Clang will optimize it out. 5281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x); 5291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x + 1); 5301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5321e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WrongFreeTest) { 533c16201337a4bb974093ff75aa45682739a331d05Kostya Serebryany EXPECT_DEATH(WrongFree(), 534c16201337a4bb974093ff75aa45682739a331d05Kostya Serebryany "ERROR: AddressSanitizer attempting free.*not malloc"); 5351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid DoubleFree() { 5381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 5391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "DoubleFree: x=%p\n", x); 5401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 5411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 5421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "should have failed in the second free(%p)\n", x); 5431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany abort(); 5441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5461e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DoubleFreeTest) { 54727f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany EXPECT_DEATH(DoubleFree(), ASAN_PCRE_DOTALL 54827f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany "ERROR: AddressSanitizer attempting double-free" 54927f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*is located 0 bytes inside of 400-byte region" 55027f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*freed by thread T0 here" 55127f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*previously allocated by thread T0 here"); 5521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<int kSize> 555938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void SizedStackTest() { 5561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[kSize]; 5571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *A = Ident((char*)&a); 5581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kSize; i++) 5591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany A[i] = i; 5601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-1] = 0, ""); 5611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-20] = 0, ""); 5621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-31] = 0, ""); 5631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize] = 0, ""); 5641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 1] = 0, ""); 5651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 10] = 0, ""); 5661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 31] = 0, ""); 5671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5691e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleStackTest) { 5701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<1>(); 5711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<2>(); 5721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<3>(); 5731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<4>(); 5741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<5>(); 5751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<6>(); 5761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<7>(); 5771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<16>(); 5781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<25>(); 5791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<34>(); 5801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<43>(); 5811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<51>(); 5821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<62>(); 5831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<64>(); 5841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<128>(); 5851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5871e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyStackObjectsTest) { 5881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char XXX[10]; 5891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char YYY[20]; 5901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char ZZZ[30]; 5911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(XXX); 5921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(YYY); 5931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(ZZZ)[-1] = 0, ASAN_PCRE_DOTALL "XXX.*YYY.*ZZZ"); 5941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 596938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame0(int frame, char *a, char *b, char *c) { 5971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char d[4] = {0}; 5981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *D = Ident(d); 5991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany switch (frame) { 6001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 3: a[5]++; break; 6011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 2: b[5]++; break; 6021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 1: c[5]++; break; 6031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 0: D[5]++; break; 6041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 606938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame1(int frame, char *a, char *b) { 6071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char c[4] = {0}; Frame0(frame, a, b, c); 6081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 6091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 610938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame2(int frame, char *a) { 6111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char b[4] = {0}; Frame1(frame, a, b); 6121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 6131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 614938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame3(int frame) { 6151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[4] = {0}; Frame2(frame, a); 6161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 6171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6191e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame0Test) { 6201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(0), "located .*in frame <.*Frame0"); 6211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6221e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame1Test) { 6231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(1), "located .*in frame <.*Frame1"); 6241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6251e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame2Test) { 6261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(2), "located .*in frame <.*Frame2"); 6271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6281e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame3Test) { 6291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(3), "located .*in frame <.*Frame3"); 6301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 632938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void LongJmpFunc1(jmp_buf buf) { 6331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany longjmp(buf, 1); 6411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 643938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void UnderscopeLongJmpFunc1(jmp_buf buf) { 6441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany _longjmp(buf, 1); 6521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 654938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void SigLongJmpFunc1(sigjmp_buf buf) { 6551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany siglongjmp(buf, 1); 6631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 666938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void TouchStackFunc() { 6671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a[100]; // long array will intersect with redzones from LongJmpFunc1. 6681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(a); 6691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 100; i++) 6701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany A[i] = i*i; 6711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Test that we handle longjmp and do not report fals positives on stack. 6741e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LongJmpTest) { 6751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static jmp_buf buf; 6761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!setjmp(buf)) { 6771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LongJmpFunc1(buf); 6781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 6791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6831e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UnderscopeLongJmpTest) { 6841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static jmp_buf buf; 6851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!_setjmp(buf)) { 6861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany UnderscopeLongJmpFunc1(buf); 6871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 6881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6921e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SigLongJmpTest) { 6931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static sigjmp_buf buf; 6941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!sigsetjmp(buf, 1)) { 6951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SigLongJmpFunc1(buf); 6961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 6971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __EXCEPTIONS 702938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void ThrowFunc() { 7031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 7041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 7051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 7061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 7081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 7091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 7101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 7111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7131e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CxxExceptionTest) { 7141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (ASAN_UAR) return; 7151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(kcc): this test crashes on 32-bit for some reason... 7161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (__WORDSIZE == 32) return; 7171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 7181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThrowFunc(); 7191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) {} 7201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 7231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc1(void *unused) { 7251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 7261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 7271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 7281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 7301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 7311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 7321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_exit(0); 7331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 7341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc2(void *unused) { 7371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 7391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7411e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadStackReuseTest) { 7421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 7431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadStackReuseFunc1, 0); 7441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 7451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadStackReuseFunc2, 0); 7461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 7471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 749f6607d097833cd53460735c1a5a2fd52b97613ebTimur Iskhodzhanov#if defined(__i386__) || defined(__x86_64__) 7501e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, Store128Test) { 7511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = Ident((char*)malloc(Ident(12))); 7521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = a; 7531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (((uintptr_t)a % 16) != 0) 7541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany p = a + 8; 7551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(((uintptr_t)p % 16) == 0); 7561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany __m128i value_wide = _mm_set1_epi16(0x1234); 7571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 758acd5c617b219e0f059620c2a3928d2cc821d4534Kostya Serebryany "AddressSanitizer heap-buffer-overflow"); 759acd5c617b219e0f059620c2a3928d2cc821d4534Kostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "WRITE of size 16"); 7611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "located 0 bytes to the right of 12-byte"); 7631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 7641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 7661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic string RightOOBErrorMessage(int oob_distance) { 7681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance >= 0); 7691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 7701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, "located %d bytes to the right", oob_distance); 7711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 7721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic string LeftOOBErrorMessage(int oob_distance) { 7751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance > 0); 7761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 7771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, "located %d bytes to the left", oob_distance); 7781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 7791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7812dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 7821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid MemSetOOBTestTemplate(size_t length) { 7831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length == 0) return; 7841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(sizeof(T) * length); 7851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *array = Ident((T*)malloc(size)); 7861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int element = Ident(42); 7871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int zero = Ident(0); 7881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // memset interval inside array 7891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, size); 7901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, size - 1); 7911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length - 1, element, sizeof(T)); 7921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, 1); 7931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // memset 0 bytes 7951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array - 10, element, zero); 7961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array - 1, element, zero); 7971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, zero); 7981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length, 0, zero); 7991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length + 1, 0, zero); 8001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes to the right of array 8021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array, 0, size + 1), 8031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 8041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)(array + length) - 1, element, 6), 8051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(4)); 8061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array + 1, element, size + sizeof(T)), 8071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2 * sizeof(T) - 1)); 8081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // whole interval is to the right 8091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array + length + 1, 0, 10), 8101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(sizeof(T))); 8111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes to the left of array 8131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 1, element, size), 8141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 8151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 5, 0, 6), 8161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(5)); 8171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array - 5, element, size + 5 * sizeof(T)), 8181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(5 * sizeof(T))); 8191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // whole interval is to the left 8201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array - 2, 0, sizeof(T)), 8211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 8221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes both to the left & to the right 8241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 2, element, size + 4), 8251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2)); 8261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(array); 8281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8301e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemSetOOBTest) { 8311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<char>(100); 8321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<int>(5); 8331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<double>(256); 8341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We can test arrays of structres/classes here, but what for? 8351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Same test for memcpy and memmove functions 8382dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate <typename T, class M> 8391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid MemTransferOOBTestTemplate(size_t length) { 8401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length == 0) return; 8411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(sizeof(T) * length); 8421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *src = Ident((T*)malloc(size)); 8431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *dest = Ident((T*)malloc(size)); 8441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int zero = Ident(0); 8451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // valid transfer of bytes between arrays 8471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, size); 8481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest + 1, src, size - sizeof(T)); 8491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src + length - 1, sizeof(T)); 8501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, 1); 8511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // transfer zero bytes 8531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest - 1, src, 0); 8541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest + length, src, zero); 8551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src - 1, zero); 8561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, zero); 8571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to the right of dest 8591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest + 1, src, size), 8601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(sizeof(T) - 1)); 8611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer((char*)(dest + length) - 1, src, 5), 8621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(3)); 8631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to the left of dest 8651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest - 2, src, size), 8661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 8671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer((char*)dest - 3, src, 4), 8681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(3)); 8691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to the right of src 8711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, src + 2, size), 8721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2 * sizeof(T) - 1)); 8731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, (char*)(src + length) - 3, 6), 8741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2)); 8751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to the left of src 8771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, src - 1, size), 8781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(sizeof(T))); 8791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, (char*)src - 6, 7), 8801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(6)); 8811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Generally we don't need to test cases where both accessing src and writing 8831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // to dest address to poisoned memory. 8841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *big_src = Ident((T*)malloc(size * 2)); 8861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *big_dest = Ident((T*)malloc(size * 2)); 8871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to both sides of dest 8881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest - 1, big_src, size * 2), 8891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(sizeof(T))); 8901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to both sides of src 8911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(big_dest, src - 2, size * 2), 8921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 8931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(src); 8951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(dest); 8961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(big_src); 8971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(big_dest); 8981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyclass MemCpyWrapper { 9011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany public: 9021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static void* transfer(void *to, const void *from, size_t size) { 9031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return memcpy(to, from, size); 9041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 9061e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemCpyOOBTest) { 9071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<char, MemCpyWrapper>(100); 9081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<int, MemCpyWrapper>(1024); 9091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyclass MemMoveWrapper { 9121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany public: 9131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static void* transfer(void *to, const void *from, size_t size) { 9141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return memmove(to, from, size); 9151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 9171e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemMoveOOBTest) { 9181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<char, MemMoveWrapper>(100); 9191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<int, MemMoveWrapper>(1024); 9201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Tests for string functions 9231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Used for string functions tests 9251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic char global_string[] = "global"; 9261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic size_t global_string_length = 6; 9271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Input to a test is a zero-terminated string str with given length 9291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Accesses to the bytes to the left and to the right of str 9301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// are presumed to produce OOB errors 9311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid StrLenOOBTestTemplate(char *str, size_t length, bool is_global) { 9321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strlen calls 9331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(strlen(str), length); 9341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length > 0) { 93576e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(length - 1, strlen(str + 1)); 93676e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov EXPECT_EQ(0U, strlen(str + length)); 9371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Arg of strlen is not malloced, OOB access 9391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!is_global) { 9401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We don't insert RedZones to the left of global variables 9411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str - 1)), LeftOOBErrorMessage(1)); 9421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str - 5)), LeftOOBErrorMessage(5)); 9431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str + length + 1)), RightOOBErrorMessage(0)); 9451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite terminator 9461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[length] = 'a'; 9471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // String is not zero-terminated, strlen will lead to OOB access 9481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str)), RightOOBErrorMessage(0)); 9491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str + length)), RightOOBErrorMessage(0)); 9501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Restore terminator 9511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[length] = 0; 9521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9531e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrLenOOBTest) { 9541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check heap-allocated string 9551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t length = Ident(10); 9561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *heap_string = Ident((char*)malloc(length + 1)); 9571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char stack_string[10 + 1]; 95876e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov for (size_t i = 0; i < length; i++) { 9591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany heap_string[i] = 'a'; 9601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany stack_string[i] = 'b'; 9611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany heap_string[length] = 0; 9631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany stack_string[length] = 0; 9641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StrLenOOBTestTemplate(heap_string, length, false); 9651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(samsonov): Fix expected messages in StrLenOOBTestTemplate to 9661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // make test for stack_string work. Or move it to output tests. 9671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // StrLenOOBTestTemplate(stack_string, length, false); 9681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StrLenOOBTestTemplate(global_string, global_string_length, true); 9691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(heap_string); 9701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 972847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovstatic inline char* MallocAndMemsetString(size_t size, char ch) { 973af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *s = Ident((char*)malloc(size)); 974847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov memset(s, ch, size); 975af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany return s; 976af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 977847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovstatic inline char* MallocAndMemsetString(size_t size) { 978847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov return MallocAndMemsetString(size, 'z'); 979847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 980af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 9811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 9821e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrNLenOOBTest) { 9831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(123); 984af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 9851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strnlen calls. 9861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str - 1, 0)); 9871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str, size)); 9881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str + size - 1, 1)); 9891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = '\0'; 9901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str, 2 * size)); 9911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Argument points to not allocated memory. 9921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str - 1, 1)), LeftOOBErrorMessage(1)); 9931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str + size, 1)), RightOOBErrorMessage(0)); 9941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' and hit unallocated memory. 9951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = 'z'; 9961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str, size + 1)), RightOOBErrorMessage(0)); 9971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 9981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 10001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10011e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrDupOOBTest) { 10021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(42); 1003af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 10041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *new_str; 10051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strdup calls. 10061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = '\0'; 10071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany new_str = strdup(str); 10081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(new_str); 10091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany new_str = strdup(str + size - 1); 10101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(new_str); 10111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Argument points to not allocated memory. 10121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str - 1)), LeftOOBErrorMessage(1)); 10131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str + size)), RightOOBErrorMessage(0)); 10141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' and hit unallocated memory. 10151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = 'z'; 10161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str)), RightOOBErrorMessage(0)); 10171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 10181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10201e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrCpyOOBTest) { 10211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t to_size = Ident(30); 10221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t from_size = Ident(6); // less than to_size 10231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *to = Ident((char*)malloc(to_size)); 10241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *from = Ident((char*)malloc(from_size)); 10251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strcpy calls. 10261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(from, "hello"); 10271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(to, from); 10281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(to + to_size - from_size, from); 10291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "from" is too small. 10301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(from, "hello2")), RightOOBErrorMessage(0)); 10311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // "to" or "from" points to not allocated memory. 10321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to - 1, from)), LeftOOBErrorMessage(1)); 10331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from - 1)), LeftOOBErrorMessage(1)); 10341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from + from_size)), RightOOBErrorMessage(0)); 10351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to + to_size, from)), RightOOBErrorMessage(0)); 10361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' character and hit unallocated memory. 10371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany from[from_size - 1] = '!'; 10381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from)), RightOOBErrorMessage(0)); 10391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(to); 10401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(from); 10411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10431e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrNCpyOOBTest) { 10441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t to_size = Ident(20); 10451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t from_size = Ident(6); // less than to_size 10461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *to = Ident((char*)malloc(to_size)); 10471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // From is a zero-terminated string "hello\0" of length 6 10481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *from = Ident((char*)malloc(from_size)); 10491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(from, "hello"); 10501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // copy 0 bytes 10511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, 0); 10521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to - 1, from - 1, 0); 10531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // normal strncpy calls 10541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, from_size); 10551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, to_size); 10561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from + from_size - 1, to_size); 10571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to + to_size - 1, from, 1); 10581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of {to, from} points to not allocated memory 10591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from - 1, from_size)), 10601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 10611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to - 1, from, from_size)), 10621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 10631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from + from_size, 1)), 10641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + to_size, from, 1)), 10661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "to" is too small 10681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + to_size - from_size + 1, from, from_size)), 10691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + 1, from, to_size)), 10711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite terminator in from 10731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany from[from_size - 1] = '!'; 10741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // normal strncpy call 10751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, from_size); 10761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "from" is too small 10771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from, to_size)), 10781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(to); 10801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(from); 10811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef char*(*PointerToStrChr)(const char*, int); 10841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid RunStrChrTest(PointerToStrChr StrChr) { 10851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 1086af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 10871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[10] = 'q'; 10881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[11] = '\0'; 10891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(str, StrChr(str, 'z')); 10901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(str + 10, StrChr(str, 'q')); 10911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(NULL, StrChr(str, 'a')); 10921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // StrChr argument points to not allocated memory. 10931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str - 1, 'z')), LeftOOBErrorMessage(1)); 10941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str + size, 'z')), RightOOBErrorMessage(0)); 10951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminator and hit not allocated memory. 10961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[11] = 'z'; 10971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str, 'a')), RightOOBErrorMessage(0)); 10981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 10991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11001e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrChrAndIndexOOBTest) { 11011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RunStrChrTest(&strchr); 11021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RunStrChrTest(&index); 11031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11051e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrCmpAndFriendsLogicTest) { 11061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // strcmp 11071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strcmp("", "")); 11081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strcmp("abcd", "abcd")); 1109af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcmp("ab", "ac")); 1110af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcmp("abc", "abcd")); 1111af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcmp("acc", "abc")); 1112af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcmp("abcd", "abc")); 11131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // strncmp 11151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("a", "b", 0)); 11161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("abcd", "abcd", 10)); 11171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("abcd", "abcef", 3)); 1118af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("abcde", "abcfa", 4)); 1119af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("a", "b", 5)); 1120af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("bc", "bcde", 4)); 1121af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("xyz", "xyy", 10)); 1122af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("baa", "aaa", 1)); 1123af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("zyx", "", 2)); 1124af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1125af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // strcasecmp 1126af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("", "")); 1127af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("zzz", "zzz")); 1128af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("abCD", "ABcd")); 1129af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcasecmp("aB", "Ac")); 1130af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcasecmp("ABC", "ABCd")); 1131af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcasecmp("acc", "abc")); 1132af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcasecmp("ABCd", "abc")); 1133af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1134af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // strncasecmp 1135af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("a", "b", 0)); 1136af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("abCD", "ABcd", 10)); 1137af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("abCd", "ABcef", 3)); 1138af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("abcde", "ABCfa", 4)); 1139af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("a", "B", 5)); 1140af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("bc", "BCde", 4)); 1141af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("xyz", "xyy", 10)); 1142af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("Baa", "aaa", 1)); 1143af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("zyx", "", 2)); 114452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany 114552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // memcmp 114652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_EQ(0, memcmp("a", "b", 0)); 114752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_EQ(0, memcmp("ab\0c", "ab\0c", 4)); 114852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_GT(0, memcmp("\0ab", "\0ac", 3)); 114952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_GT(0, memcmp("abb\0", "abba", 4)); 115052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_LT(0, memcmp("ab\0cd", "ab\0c\0", 5)); 115152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_LT(0, memcmp("zza", "zyx", 3)); 1152af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1153af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1154af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanytypedef int(*PointerToStrCmp)(const char*, const char*); 1155af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanyvoid RunStrCmpTest(PointerToStrCmp StrCmp) { 11561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 11571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s1 = MallocAndMemsetString(size); 11581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s2 = MallocAndMemsetString(size); 11591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = '\0'; 11601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = '\0'; 1161af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // Normal StrCmp calls 1162af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2)); 1163af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2 + size - 1)); 1164af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1 + size - 1, s2 + size - 1)); 11651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = 'z'; 11661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'x'; 1167af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2)); 11681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of arguments points to not allocated memory. 1169af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 - 1, s2), LeftOOBErrorMessage(1)); 1170af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s2 - 1), LeftOOBErrorMessage(1)); 1171af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 + size, s2), RightOOBErrorMessage(0)); 1172af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s2 + size), RightOOBErrorMessage(0)); 11731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Hit unallocated memory and die. 11741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'z'; 1175af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s1), RightOOBErrorMessage(0)); 1176af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 + size - 1, s2), RightOOBErrorMessage(0)); 11771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s1); 11781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s2); 11791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1181af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrCmpOOBTest) { 1182af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrCmpTest(&strcmp); 1183af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1184af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1185af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrCaseCmpOOBTest) { 1186af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrCmpTest(&strcasecmp); 1187af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1188af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1189af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanytypedef int(*PointerToStrNCmp)(const char*, const char*, size_t); 1190af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanyvoid RunStrNCmpTest(PointerToStrNCmp StrNCmp) { 11911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 11921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s1 = MallocAndMemsetString(size); 11931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s2 = MallocAndMemsetString(size); 11941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = '\0'; 11951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = '\0'; 1196af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // Normal StrNCmp calls 1197af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1, s2, size + 2)); 11981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = 'z'; 11991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'x'; 1200af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 + size - 2, s2 + size - 2, size)); 12011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'z'; 1202af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 - 1, s2 - 1, 0)); 1203af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 + size - 1, s2 + size - 1, 1)); 12041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of arguments points to not allocated memory. 1205af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 - 1, s2, 1), LeftOOBErrorMessage(1)); 1206af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1, s2 - 1, 1), LeftOOBErrorMessage(1)); 1207af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + size, s2, 1), RightOOBErrorMessage(0)); 1208af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1, s2 + size, 1), RightOOBErrorMessage(0)); 12091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Hit unallocated memory and die. 1210af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + 1, s2 + 1, size), RightOOBErrorMessage(0)); 1211af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + size - 1, s2, 2), RightOOBErrorMessage(0)); 12121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s1); 12131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s2); 12141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1216af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrNCmpOOBTest) { 1217af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrNCmpTest(&strncmp); 1218af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1219af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1220af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrNCaseCmpOOBTest) { 1221af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrNCmpTest(&strncasecmp); 1222af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1223af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 122452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya SerebryanyTEST(AddressSanitizer, MemCmpOOBTest) { 122552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany size_t size = Ident(100); 122652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany char *s1 = MallocAndMemsetString(size); 122752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany char *s2 = MallocAndMemsetString(size); 122852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Normal memcmp calls. 122952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1, s2, size)); 123052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1 + size - 1, s2 + size - 1, 1)); 123152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1 - 1, s2 - 1, 0)); 123252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // One of arguments points to not allocated memory. 123352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 - 1, s2, 1), LeftOOBErrorMessage(1)); 123452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2 - 1, 1), LeftOOBErrorMessage(1)); 123552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + size, s2, 1), RightOOBErrorMessage(0)); 123652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2 + size, 1), RightOOBErrorMessage(0)); 123752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Hit unallocated memory and die. 123852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + 1, s2 + 1, size), RightOOBErrorMessage(0)); 123952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + size - 1, s2, 2), RightOOBErrorMessage(0)); 124052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Zero bytes are not terminators and don't prevent from OOB. 124152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany s1[size - 1] = '\0'; 124252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany s2[size - 1] = '\0'; 124352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2, size + 1), RightOOBErrorMessage(0)); 124452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany free(s1); 124552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany free(s2); 124652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany} 124752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany 12480985ca240812ac5519168a6aecbccf4c513ae243Kostya SerebryanyTEST(AddressSanitizer, StrCatOOBTest) { 12490985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany size_t to_size = Ident(100); 12500985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany char *to = MallocAndMemsetString(to_size); 12510985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany to[0] = '\0'; 12520985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany size_t from_size = Ident(20); 12530985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany char *from = MallocAndMemsetString(from_size); 12540985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = '\0'; 12550985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Normal strcat calls. 12560985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from); 12570985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from); 12580985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to + from_size, from + from_size - 2); 125937b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko // Passing an invalid pointer is an error even when concatenating an empty 126037b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko // string. 126137b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko EXPECT_DEATH(strcat(to - 1, from + from_size - 1), LeftOOBErrorMessage(1)); 12620985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // One of arguments points to not allocated memory. 12630985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to - 1, from), LeftOOBErrorMessage(1)); 12640985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from - 1), LeftOOBErrorMessage(1)); 12650985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to + to_size, from), RightOOBErrorMessage(0)); 12660985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from + from_size), RightOOBErrorMessage(0)); 12670985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 12680985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "from" is not zero-terminated. 12690985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = 'z'; 12700985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 12710985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = '\0'; 12720985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "to" is not zero-terminated. 12730985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany memset(to, 'z', to_size); 12740985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 12750985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "to" is too short to fit "from". 12760985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany to[to_size - from_size + 1] = '\0'; 12770985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 12780985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // length of "to" is just enough. 12790985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from + 1); 1280c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1281c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(to); 1282c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(from); 1283c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov} 1284c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1285c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey SamsonovTEST(AddressSanitizer, StrNCatOOBTest) { 1286c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov size_t to_size = Ident(100); 1287c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov char *to = MallocAndMemsetString(to_size); 1288c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[0] = '\0'; 1289c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov size_t from_size = Ident(20); 1290c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov char *from = MallocAndMemsetString(from_size); 1291c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // Normal strncat calls. 1292c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, 0); 1293c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, from_size); 1294c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov from[from_size - 1] = '\0'; 1295c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, 2 * from_size); 129637b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko // Catenating empty string with an invalid string is still an error. 129737b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko EXPECT_DEATH(strncat(to - 1, from, 0), LeftOOBErrorMessage(1)); 1298c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from + from_size - 1, 10); 1299c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // One of arguments points to not allocated memory. 1300c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to - 1, from, 2), LeftOOBErrorMessage(1)); 1301c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from - 1, 2), LeftOOBErrorMessage(1)); 1302c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to + to_size, from, 2), RightOOBErrorMessage(0)); 1303c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from + from_size, 2), RightOOBErrorMessage(0)); 1304c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1305c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov memset(from, 'z', from_size); 1306c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov memset(to, 'z', to_size); 1307c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[0] = '\0'; 1308c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "from" is too short. 1309c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from, from_size + 1), RightOOBErrorMessage(0)); 1310c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "to" is not zero-terminated. 1311c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to + 1, from, 1), RightOOBErrorMessage(0)); 1312c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "to" is too short to fit "from". 1313c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[0] = 'z'; 1314c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[to_size - from_size + 1] = '\0'; 1315c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from, from_size - 1), RightOOBErrorMessage(0)); 1316c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "to" is just enough. 1317c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, from_size - 2); 1318c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1319c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(to); 1320c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(from); 13210985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany} 13220985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 1323c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryanystatic string OverlapErrorMessage(const string &func) { 1324c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany return func + "-param-overlap"; 1325c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany} 13261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13271e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrArgsOverlapTest) { 13281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 13291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *str = Ident((char*)malloc(size)); 13301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13310503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko// Do not check memcpy() on OS X 10.7 and later, where it actually aliases 13320503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko// memmove(). 13330503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#if !defined(__APPLE__) || !defined(MAC_OS_X_VERSION_10_7) || \ 13340503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7) 13351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "memcpy". Use Ident() to avoid inlining. 13361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(memcpy)(str + 1, str + 11, 10); 13381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(memcpy)(str, str, 0); 1339c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(Ident(memcpy)(str, str + 14, 15), OverlapErrorMessage("memcpy")); 1340c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(Ident(memcpy)(str + 14, str, 15), OverlapErrorMessage("memcpy")); 13410503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#endif 1342c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1343c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // We do not treat memcpy with to==from as a bug. 1344c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // See http://llvm.org/bugs/show_bug.cgi?id=11763. 1345c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // EXPECT_DEATH(Ident(memcpy)(str + 20, str + 20, 1), 1346c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // OverlapErrorMessage("memcpy")); 13471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "strcpy". 13491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[9] = '\0'; 13511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(str + 10, str); 1352c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcpy(str + 9, str), OverlapErrorMessage("strcpy")); 1353c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcpy(str, str + 4), OverlapErrorMessage("strcpy")); 13541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(str, str + 5); 13551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "strncpy". 13571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(str, str + 10, 10); 1359c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str, str + 9, 10), OverlapErrorMessage("strncpy")); 1360c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str + 9, str, 10), OverlapErrorMessage("strncpy")); 13611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[10] = '\0'; 13621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(str + 11, str, 20); 1363c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str + 10, str, 20), OverlapErrorMessage("strncpy")); 13641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13650985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Check "strcat". 13660985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany memset(str, 'z', size); 13670985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[10] = '\0'; 13680985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[20] = '\0'; 13690985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str, str + 10); 137037b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko EXPECT_DEATH(strcat(str, str + 11), OverlapErrorMessage("strcat")); 13710985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[10] = '\0'; 13720985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str + 11, str); 1373c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str, str + 9), OverlapErrorMessage("strcat")); 1374c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str + 9, str), OverlapErrorMessage("strcat")); 1375c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str + 10, str), OverlapErrorMessage("strcat")); 13760985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 1377c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // Check "strncat". 1378c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov memset(str, 'z', size); 1379c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[10] = '\0'; 1380c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(str, str + 10, 10); // from is empty 138137b3fcd6fdec5740fe51fc1315c5d4d54313de98Alexander Potapenko EXPECT_DEATH(strncat(str, str + 11, 10), OverlapErrorMessage("strncat")); 1382c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[10] = '\0'; 1383c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[20] = '\0'; 1384c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(str + 5, str, 5); 1385c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[10] = '\0'; 1386c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(str + 5, str, 6), OverlapErrorMessage("strncat")); 1387c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(str, str + 9, 10), OverlapErrorMessage("strncat")); 1388c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 13891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 13901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 13911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1392847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid CallAtoi(const char *nptr) { 1393847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Ident(atoi(nptr)); 1394847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1395847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid CallAtol(const char *nptr) { 1396847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Ident(atol(nptr)); 1397847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1398847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid CallAtoll(const char *nptr) { 1399847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Ident(atoll(nptr)); 1400847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1401847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovtypedef void(*PointerToCallAtoi)(const char*); 1402847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov 1403847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid RunAtoiOOBTest(PointerToCallAtoi Atoi) { 1404847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov char *array = MallocAndMemsetString(10, '1'); 1405847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Invalid pointer to the string. 1406847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array + 11), RightOOBErrorMessage(1)); 1407847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array - 1), LeftOOBErrorMessage(1)); 1408847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Die if a buffer doesn't have terminating NULL. 1409847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array), RightOOBErrorMessage(0)); 1410847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Make last symbol a terminating NULL or other non-digit. 1411847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[9] = '\0'; 1412847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array); 1413847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[9] = 'a'; 1414847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array); 1415847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array + 9); 1416847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Sometimes we need to detect overflow if no digits are found. 1417847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov memset(array, ' ', 10); 1418847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array), RightOOBErrorMessage(0)); 1419847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[9] = '-'; 1420847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array), RightOOBErrorMessage(0)); 1421847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array + 9), RightOOBErrorMessage(0)); 1422847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[8] = '-'; 1423847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array); 1424847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov delete array; 1425847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1426847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov 1427847f932ab0405757946433b81d3b2952b306b0bcAlexey SamsonovTEST(AddressSanitizer, AtoiAndFriendsOOBTest) { 1428847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov RunAtoiOOBTest(&CallAtoi); 1429847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov RunAtoiOOBTest(&CallAtol); 1430847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov RunAtoiOOBTest(&CallAtoll); 1431847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1432847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov 14338f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovvoid CallStrtol(const char *nptr, char **endptr, int base) { 14348f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Ident(strtol(nptr, endptr, base)); 14358f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14368f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovvoid CallStrtoll(const char *nptr, char **endptr, int base) { 14378f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Ident(strtoll(nptr, endptr, base)); 14388f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14398f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovtypedef void(*PointerToCallStrtol)(const char*, char**, int); 14408f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov 14418f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovvoid RunStrtolOOBTest(PointerToCallStrtol Strtol) { 144284ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov char *array = MallocAndMemsetString(3); 144384ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov char *endptr = NULL; 144484ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[0] = '1'; 144584ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[1] = '2'; 144684ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '3'; 144784ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Invalid pointer to the string. 14488f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array + 3, NULL, 0), RightOOBErrorMessage(0)); 14498f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array - 1, NULL, 0), LeftOOBErrorMessage(1)); 145084ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Buffer overflow if there is no terminating null (depends on base). 14518f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, &endptr, 3); 145284ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array + 2, endptr); 14538f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 145484ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = 'z'; 14558f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, &endptr, 35); 145684ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array + 2, endptr); 14578f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 36), RightOOBErrorMessage(0)); 145884ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Add terminating zero to get rid of overflow. 145984ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '\0'; 14608f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, NULL, 36); 146184ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Don't check for overflow if base is invalid. 14628f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array - 1, NULL, -1); 14638f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array + 3, NULL, 1); 146484ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Sometimes we need to detect overflow if no digits are found. 146584ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[0] = array[1] = array[2] = ' '; 14668f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 146784ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '+'; 14688f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 146984ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '-'; 14708f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 147184ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[1] = '+'; 14728f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, NULL, 0); 147384ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[1] = array[2] = 'z'; 14748f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, &endptr, 0); 147584ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array, endptr); 14768f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array + 2, NULL, 0); 147784ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array, endptr); 147884ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov delete array; 147984ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov} 148084ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov 14818f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey SamsonovTEST(AddressSanitizer, StrtollOOBTest) { 14828f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov RunStrtolOOBTest(&CallStrtoll); 14838f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14848f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey SamsonovTEST(AddressSanitizer, StrtolOOBTest) { 14858f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov RunStrtolOOBTest(&CallStrtol); 14868f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14878f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov 14881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// At the moment we instrument memcpy/memove/memset calls at compile time so we 14891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// can't handle OOB error if these functions are called by pointer, see disabled 14901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// MemIntrinsicCallByPointerTest below 14911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef void*(*PointerToMemTransfer)(void*, const void*, size_t); 14921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef void*(*PointerToMemSet)(void*, int, size_t); 14931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid CallMemSetByPointer(PointerToMemSet MemSet) { 14951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 14961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *array = Ident((char*)malloc(size)); 14971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(MemSet(array, 0, 101), RightOOBErrorMessage(0)); 14981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(array); 14991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid CallMemTransferByPointer(PointerToMemTransfer MemTransfer) { 15021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 15031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *src = Ident((char*)malloc(size)); 15041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *dst = Ident((char*)malloc(size)); 15051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(MemTransfer(dst, src, 101), RightOOBErrorMessage(0)); 15061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(src); 15071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(dst); 15081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15101e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MemIntrinsicCallByPointerTest) { 15111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemSetByPointer(&memset); 15121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemTransferByPointer(&memcpy); 15131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemTransferByPointer(&memmove); 15141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test case fails 15171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Clang optimizes memcpy/memset calls which lead to unaligned access 15181e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MemIntrinsicUnalignedAccessTest) { 15191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int size = Ident(4096); 15201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s = Ident((char*)malloc(size)); 15211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(s + size - 1, 0, 2), RightOOBErrorMessage(0)); 15221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s); 15231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add a test with malloc(0) 15261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add tests for str* and mem* functions. 15271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1528938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static int LargeFunction(bool do_bad_access) { 15291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = new int[100]; 15301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[0]++; 15311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[1]++; 15321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[2]++; 15331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[3]++; 15341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[4]++; 15351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[5]++; 15361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[6]++; 15371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[7]++; 15381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[8]++; 15391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[9]++; 15401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[do_bad_access ? 100 : 0]++; int res = __LINE__; 15421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[10]++; 15441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[11]++; 15451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[12]++; 15461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[13]++; 15471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[14]++; 15481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[15]++; 15491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[16]++; 15501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[17]++; 15511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[18]++; 15521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[19]++; 15531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete x; 15551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return res; 15561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Test the we have correct debug info for the failing instruction. 15591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test requires the in-process symbolizer to be enabled by default. 15601e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_LargeFunctionSymbolizeTest) { 15611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int failing_line = LargeFunction(false); 15621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_warning[128]; 15631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_warning, "LargeFunction.*asan_test.cc:%d", failing_line); 15641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(LargeFunction(true), expected_warning); 15651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Check that we unwind and symbolize correctly. 15681e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MallocFreeUnwindAndSymbolizeTest) { 15691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc_aaa(sizeof(int)); 15701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *a = 1; 15711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(a); 15721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*a = 1, "free_ccc.*free_bbb.*free_aaa.*" 15731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "malloc_fff.*malloc_eee.*malloc_ddd"); 15741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestAlloc(void *a) { 15771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 15781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *p = new int; 15791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 15801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestFree(void *a) { 15831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 15841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete *p; 15851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 15861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestUse(void *a) { 15891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 15901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany **p = 1; 15911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 15921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid ThreadedTestSpawn() { 15951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 15961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x; 15971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestAlloc, &x); 15981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 15991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestFree, &x); 16001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 16011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestUse, &x); 16021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 16031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16051e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedTest) { 16061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(ThreadedTestSpawn(), 16071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_PCRE_DOTALL 16081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "Thread T.*created" 16091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created" 16101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created"); 16111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 16141e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ShadowGapTest) { 16151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if __WORDSIZE == 32 16161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x22000000; 16171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 16181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x0000100000080000; 16191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 16201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*addr = 1, "AddressSanitizer crashed on unknown"); 16211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_NEEDS_SEGV 16231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyextern "C" { 1625938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void UseThenFreeThenUse() { 16261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = Ident((char*)malloc(8)); 16271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 1; 16281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(x); 16291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 2; 16301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16331e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UseThenFreeThenUseTest) { 16341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(UseThenFreeThenUse(), "freed by thread"); 16351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16371e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrDupTest) { 16381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(strdup(Ident("123"))); 16391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Currently we create and poison redzone at right of global variables. 16421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanychar glob5[5]; 16431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic char static110[110]; 16441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyconst char ConstGlob[7] = {1, 2, 3, 4, 5, 6, 7}; 16451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const char StaticConstGlob[3] = {9, 8, 7}; 16461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyextern int GlobalsTest(int x); 16471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16481e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalTest) { 16491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char func_static15[15]; 16501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs1[10]; 16521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs2[10]; 16531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs3[10]; 16541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(0)] = 0; 16561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(1)] = 0; 16571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(2)] = 0; 16581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(3)] = 0; 16591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(4)] = 0; 16601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5)] = 0, 16621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable.*glob5.* size 5"); 16631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5+6)] = 0, 16641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "6 bytes to the right of global variable.*glob5.* size 5"); 16651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(static110); // avoid optimizations 16661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(0)] = 0; 16671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(109)] = 0; 16681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110)] = 0, 16691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 16701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110+7)] = 0, 16711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "7 bytes to the right of global variable"); 16721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(func_static15); // avoid optimizations 16741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany func_static15[Ident(0)] = 0; 16751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15)] = 0, 16761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 16771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15 + 9)] = 0, 16781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "9 bytes to the right of global variable"); 16791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs1); 16811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs2); 16821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs3); 16831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We don't create left redzones, so this is not 100% guaranteed to fail. 16851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // But most likely will. 16861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(fs2[Ident(-1)] = 0, "is located.*of global variable"); 16871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(ConstGlob)[8]), 16891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 1 bytes to the right of .*ConstGlob"); 16901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(StaticConstGlob)[5]), 16911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 2 bytes to the right of .*StaticConstGlob"); 16921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // call stuff from another file. 16941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany GlobalsTest(0); 16951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16971e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalStringConstTest) { 16981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static const char *zoo = "FOOBAR123"; 16991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *p = Ident(zoo); 17001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(p[15]), "is ascii string 'FOOBAR123'"); 17011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1703c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya SerebryanyTEST(AddressSanitizer, FileNameInGlobalReportTest) { 1704c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany static char zoo[10]; 1705c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany const char *p = Ident(zoo); 1706c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany // The file name should be present in the report. 1707c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany EXPECT_DEATH(Ident(p[15]), "zoo.*asan_test.cc"); 1708c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany} 1709c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany 17101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyint *ReturnsPointerToALocalObject() { 17111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a = 0; 17121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return Ident(&a); 17131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1715918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#if ASAN_UAR == 1 17161e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LocalReferenceReturnTest) { 17171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *(*f)() = Ident(ReturnsPointerToALocalObject); 1718918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany int *p = f(); 1719918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany // Call 'f' a few more times, 'p' should still be poisoned. 1720918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany for (int i = 0; i < 32; i++) 1721918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany f(); 1722918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany EXPECT_DEATH(*p = 1, "AddressSanitizer stack-use-after-return"); 1723918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany EXPECT_DEATH(*p = 1, "is located.*in frame .*ReturnsPointerToALocal"); 17241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1725918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#endif 17261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate <int kSize> 1728938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void FuncWithStack() { 17291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char x[kSize]; 17301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[0] = 0; 17311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[kSize-1] = 0; 17321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void LotsOfStackReuse() { 17351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int LargeStack[10000]; 17361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 17371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 17381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 1>(); 17391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 2>(); 17401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 4>(); 17411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 8>(); 17421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 16>(); 17431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 32>(); 17441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 64>(); 17451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 128>(); 17461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 256>(); 17471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 512>(); 17481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 17491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17521e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StressStackReuseTest) { 17531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LotsOfStackReuse(); 17541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17561e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedStressStackReuseTest) { 17571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumThreads = 20; 17581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 17591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 17601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t[i], 0, (void* (*)(void *x))LotsOfStackReuse, 0); 17611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 17631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 17641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1767f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryanystatic void *PthreadExit(void *a) { 1768f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_exit(0); 17697b7b55e99166511ce1e66bf6b79c46ae4aa60d17Evgeniy Stepanov return 0; 1770f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1771f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 1772f58f998066db0231e521169d2f50af439ceecb49Kostya SerebryanyTEST(AddressSanitizer, PthreadExitTest) { 1773f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_t t; 1774f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany for (int i = 0; i < 1000; i++) { 1775f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_create(&t, 0, PthreadExit, 0); 1776f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_join(t, 0); 1777f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany } 1778f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1779f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 17801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __EXCEPTIONS 1781938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void StackReuseAndException() { 17821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int large_stack[1000]; 17831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(large_stack); 17841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 17851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(kcc): support exceptions with use-after-return. 17881e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_StressStackReuseAndExceptionsTest) { 17891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 17901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 17911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StackReuseAndException(); 17921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) { 17931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 17971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17981e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MlockTest) { 17991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlockall(MCL_CURRENT)); 18001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlock((void*)0x12345, 0x5678)); 18011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlockall()); 18021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlock((void*)0x987, 0x654)); 18031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1805c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryanystruct LargeStruct { 1806c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany int foo[100]; 1807c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany}; 1808c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1809c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Test for bug http://llvm.org/bugs/show_bug.cgi?id=11763. 1810c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Struct copy should not cause asan warning even if lhs == rhs. 1811c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya SerebryanyTEST(AddressSanitizer, LargeStructCopyTest) { 1812c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany LargeStruct a; 1813c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany *Ident(&a) = *Ident(&a); 1814c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany} 1815c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1816d271c926e0fa1b8fa9e4ca13f49f7d3ee07a27bcKostya Serebryany__attribute__((no_address_safety_analysis)) 18173be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryanystatic void NoAddressSafety() { 18183be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany char *foo = new char[10]; 18193be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany Ident(foo)[10] = 0; 18203be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany delete [] foo; 18213be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 18223be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 18233be19f4fa3519e358fd41a5feda82c39a22ef107Kostya SerebryanyTEST(AddressSanitizer, AttributeNoAddressSafetyTest) { 18243be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany Ident(NoAddressSafety)(); 18253be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 18263be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 18271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// ------------------ demo tests; run each one-by-one ------------- 18281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// e.g. --gtest_filter=*DemoOOBLeftHigh --gtest_also_run_disabled_tests 18291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadedTest) { 18301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThreadedTestSpawn(); 18311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *SimpleBugOnSTack(void *x = 0) { 18341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[20]; 18351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[20] = 0; 18361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 18371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18391e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoStackTest) { 18401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SimpleBugOnSTack(); 18411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18431e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadStackTest) { 18441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 18451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, SimpleBugOnSTack, 0); 18461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 18471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18491e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowIn) { 18501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 0); 18511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18521e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowLeft) { 18531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, -2); 18541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18551e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowRight) { 18561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 10); 18571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18591e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFHigh) { 18601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(kLargeMalloc, 0); 18611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18631e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBLeftLow) { 18641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(10, -1); 18651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18671e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBLeftHigh) { 18681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(kLargeMalloc, -1); 18691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18711e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBRightLow) { 18721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(10, 10); 18731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18751e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBRightHigh) { 18761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(kLargeMalloc, kLargeMalloc); 18771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18791e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOM) { 18801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = __WORDSIZE == 64 ? (size_t)(1ULL << 40) : (0xf0000000); 18811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany printf("%p\n", malloc(size)); 18821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18841e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoDoubleFreeTest) { 18851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany DoubleFree(); 18861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18881e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoNullDerefTest) { 18891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = 0; 18901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[10] = 0; 18911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18931e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoFunctionStaticTest) { 18941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char a[100]; 18951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char b[100]; 18961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char c[100]; 18971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a); 18981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b); 18991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(c); 19001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 19011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b)[105] = 0; 19021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 19031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19051e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoTooMuchMemoryTest) { 19061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const size_t kAllocSize = (1 << 28) - 1024; 19071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t total_size = 0; 19081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany while (true) { 19091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = (char*)malloc(kAllocSize); 19101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(x, 0, kAllocSize); 19111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany total_size += kAllocSize; 19120aa04b3f432bc55e7c116d5280685ee3f243be8eKostya Serebryany fprintf(stderr, "total: %ldM %p\n", (long)total_size >> 20, x); 19131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 19141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19164eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany// http://code.google.com/p/address-sanitizer/issues/detail?id=66 19170796393f2088e3b75c4110934451160eeb037fabKostya SerebryanyTEST(AddressSanitizer, BufferOverflowAfterManyFrees) { 19184eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany for (int i = 0; i < 1000000; i++) { 19194eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany delete [] (Ident(new char [8644])); 19204eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany } 19214eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany char *x = new char[8192]; 19220796393f2088e3b75c4110934451160eeb037fabKostya Serebryany EXPECT_DEATH(x[Ident(8192)] = 0, "AddressSanitizer heap-buffer-overflow"); 19234eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany delete [] Ident(x); 19244eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany} 19254eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany 19261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __APPLE__ 19271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include "asan_mac_test.h" 1928effd6bf516b7109460647253aa1a62046ca9bb7aAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocatorDefaultDoubleFree) { 19291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH( 193043d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko CFAllocatorDefaultDoubleFree(NULL), 19311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "attempting double-free"); 19321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 193443d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenkovoid CFAllocator_DoubleFreeOnPthread() { 193543d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko pthread_t child; 193643d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko pthread_create(&child, NULL, CFAllocatorDefaultDoubleFree, NULL); 193743d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko pthread_join(child, NULL); // Shouldn't be reached. 193843d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko} 193943d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko 194075b19ebf25af204cf209d108997272822241d6daAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocatorDefaultDoubleFree_ChildPhread) { 194143d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko EXPECT_DEATH(CFAllocator_DoubleFreeOnPthread(), "attempting double-free"); 1942f4e8fc675ab52d0b3022847764a70ed7f03817bdAlexander Potapenko} 194343d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko 194475b19ebf25af204cf209d108997272822241d6daAlexander Potapenkonamespace { 194575b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 194675b19ebf25af204cf209d108997272822241d6daAlexander Potapenkovoid *GLOB; 194775b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 194875b19ebf25af204cf209d108997272822241d6daAlexander Potapenkovoid *CFAllocatorAllocateToGlob(void *unused) { 194975b19ebf25af204cf209d108997272822241d6daAlexander Potapenko GLOB = CFAllocatorAllocate(NULL, 100, /*hint*/0); 195075b19ebf25af204cf209d108997272822241d6daAlexander Potapenko return NULL; 195175b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} 195275b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 195375b19ebf25af204cf209d108997272822241d6daAlexander Potapenkovoid *CFAllocatorDeallocateFromGlob(void *unused) { 195475b19ebf25af204cf209d108997272822241d6daAlexander Potapenko char *p = (char*)GLOB; 195575b19ebf25af204cf209d108997272822241d6daAlexander Potapenko p[100] = 'A'; // ASan should report an error here. 195675b19ebf25af204cf209d108997272822241d6daAlexander Potapenko CFAllocatorDeallocate(NULL, GLOB); 195775b19ebf25af204cf209d108997272822241d6daAlexander Potapenko return NULL; 195875b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} 195975b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 196075b19ebf25af204cf209d108997272822241d6daAlexander Potapenkovoid CFAllocator_PassMemoryToAnotherThread() { 196175b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_t th1, th2; 196275b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_create(&th1, NULL, CFAllocatorAllocateToGlob, NULL); 196375b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_join(th1, NULL); 196475b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_create(&th2, NULL, CFAllocatorDeallocateFromGlob, NULL); 196575b19ebf25af204cf209d108997272822241d6daAlexander Potapenko pthread_join(th2, NULL); 196675b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} 196775b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 196875b19ebf25af204cf209d108997272822241d6daAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocator_PassMemoryToAnotherThread) { 196975b19ebf25af204cf209d108997272822241d6daAlexander Potapenko EXPECT_DEATH(CFAllocator_PassMemoryToAnotherThread(), 197075b19ebf25af204cf209d108997272822241d6daAlexander Potapenko "heap-buffer-overflow"); 197175b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} 197275b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 197375b19ebf25af204cf209d108997272822241d6daAlexander Potapenko} // namespace 197475b19ebf25af204cf209d108997272822241d6daAlexander Potapenko 1975effd6bf516b7109460647253aa1a62046ca9bb7aAlexander Potapenko// TODO(glider): figure out whether we still need these tests. Is it correct 1976effd6bf516b7109460647253aa1a62046ca9bb7aAlexander Potapenko// to intercept the non-default CFAllocators? 19771e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorSystemDefaultDoubleFree) { 19781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH( 19791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CFAllocatorSystemDefaultDoubleFree(), 19801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "attempting double-free"); 19811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 198343d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko// We're intercepting malloc, so kCFAllocatorMalloc is routed to ASan. 1984effd6bf516b7109460647253aa1a62046ca9bb7aAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocatorMallocDoubleFree) { 19851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(CFAllocatorMallocDoubleFree(), "attempting double-free"); 19861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19881e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorMallocZoneDoubleFree) { 19891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(CFAllocatorMallocZoneDoubleFree(), "attempting double-free"); 19901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 199296bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchAsync) { 19931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 19941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 19951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchAsync(), "Shadow byte and word"); 19961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 199896bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchSync) { 19991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchSync(), "Shadow byte and word"); 20021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 200596bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDReuseWqthreadsAsync) { 20061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDReuseWqthreadsAsync(), "Shadow byte and word"); 20091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 201196bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDReuseWqthreadsSync) { 20121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDReuseWqthreadsSync(), "Shadow byte and word"); 20151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 201796bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchAfter) { 20181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchAfter(), "Shadow byte and word"); 20211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 202396bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDSourceEvent) { 20241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDSourceEvent(), "Shadow byte and word"); 20271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 202996bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDSourceCancel) { 20301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDSourceCancel(), "Shadow byte and word"); 20331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 203596bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDGroupAsync) { 20361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 20371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 20381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDGroupAsync(), "Shadow byte and word"); 20391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *MallocIntrospectionLockWorker(void *_) { 20421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumPointers = 100; 20431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int i; 20441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *pointers[kNumPointers]; 20451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumPointers; i++) { 20461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pointers[i] = malloc(i + 1); 20471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumPointers; i++) { 20491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(pointers[i]); 20501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 20531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *MallocIntrospectionLockForker(void *_) { 20561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pid_t result = fork(); 20571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (result == -1) { 20581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany perror("fork"); 20591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(result != -1); 20611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (result == 0) { 20621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Call malloc in the child process to make sure we won't deadlock. 20631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *ptr = malloc(42); 20641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(ptr); 20651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany exit(0); 20661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 20671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Return in the parent process. 20681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 20691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20721e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, MallocIntrospectionLock) { 20731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Incorrect implementation of force_lock and force_unlock in our malloc zone 20741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // will cause forked processes to deadlock. 20751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(glider): need to detect that none of the child processes deadlocked. 20761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumWorkers = 5, kNumIterations = 100; 20771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int i, iter; 20781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (iter = 0; iter < kNumIterations; iter++) { 20791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t workers[kNumWorkers], forker; 20801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumWorkers; i++) { 20811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&workers[i], 0, MallocIntrospectionLockWorker, 0); 20821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&forker, 0, MallocIntrospectionLockForker, 0); 20841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumWorkers; i++) { 20851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(workers[i], 0); 20861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(forker, 0); 20881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *TSDAllocWorker(void *test_key) { 20921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (test_key) { 20931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *mem = malloc(10); 20941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_setspecific(*(pthread_key_t*)test_key, mem); 20951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 20971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20991e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_TSDWorkqueueTest) { 21001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 21011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_t test_key; 21021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_create(&test_key, CallFreeOnWorkqueue); 21031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDAllocWorker, &test_key); 21041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 21051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_delete(test_key); 21061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2107fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko 2108fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko// Test that CFStringCreateCopy does not copy constant strings. 2109431e51782d62d1257348e41e24da6b544fe70507Alexander PotapenkoTEST(AddressSanitizerMac, CFStringCreateCopy) { 2110fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko CFStringRef str = CFSTR("Hello world!\n"); 2111fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko CFStringRef str2 = CFStringCreateCopy(0, str); 2112fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko EXPECT_EQ(str, str2); 2113fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko} 2114fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko 21158c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander PotapenkoTEST(AddressSanitizerMac, NSObjectOOB) { 21168c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander Potapenko // Make sure that our allocators are used for NSObjects. 21178c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander Potapenko EXPECT_DEATH(TestOOBNSObjects(), "heap-buffer-overflow"); 21188c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander Potapenko} 2119df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko 2120df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko// Make sure that correct pointer is passed to free() when deallocating a 2121df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko// NSURL object. 2122df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko// See http://code.google.com/p/address-sanitizer/issues/detail?id=70. 2123e205a9daec9ec4afed956cf5455889725b9192fbAlexander PotapenkoTEST(AddressSanitizerMac, NSURLDeallocation) { 2124df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko TestNSURLDeallocation(); 2125df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko} 2126ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko 2127ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko// See http://code.google.com/p/address-sanitizer/issues/detail?id=109. 2128ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander PotapenkoTEST(AddressSanitizerMac, Mstats) { 2129ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko malloc_statistics_t stats1, stats2; 2130ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko malloc_zone_statistics(/*all zones*/NULL, &stats1); 2131ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko const int kMallocSize = 100000; 2132ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko void *alloc = Ident(malloc(kMallocSize)); 2133ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko malloc_zone_statistics(/*all zones*/NULL, &stats2); 2134ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko EXPECT_GT(stats2.blocks_in_use, stats1.blocks_in_use); 2135ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko EXPECT_GE(stats2.size_in_use - stats1.size_in_use, kMallocSize); 2136ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko free(alloc); 2137ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko // Even the default OSX allocator may not change the stats after free(). 2138ca2cdd989076d091d8c4d4c277f8b47d9b5903adAlexander Potapenko} 21391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 21401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 21415b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// Test that instrumentation of stack allocations takes into account 21425b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// AllocSize of a type, and not its StoreSize (16 vs 10 bytes for long double). 21435b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// See http://llvm.org/bugs/show_bug.cgi?id=12047 for more details. 21445b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy StepanovTEST(AddressSanitizer, LongDoubleNegativeTest) { 21455b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov long double a, b; 21469b90e95d4dc59c6d97ed73b2470f5e21e7b346d5Kostya Serebryany static long double c; 21475b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov memcpy(Ident(&a), Ident(&b), sizeof(long double)); 21489b90e95d4dc59c6d97ed73b2470f5e21e7b346d5Kostya Serebryany memcpy(Ident(&c), Ident(&b), sizeof(long double)); 214976e842845c927e92c2c21c41ac51e364fa17528cAlexey Samsonov} 21505b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov 21511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyint main(int argc, char **argv) { 21521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany progname = argv[0]; 21531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany testing::GTEST_FLAG(death_test_style) = "threadsafe"; 21541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany testing::InitGoogleTest(&argc, argv); 21551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return RUN_ALL_TESTS(); 21561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2157