asan_test.cc revision 43d03f3775677ca8e4727d49d1256de014351b95
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 330503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#include <AvailabilityMacros.h> // For MAC_OS_X_VERSION_* 34fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko#include <CoreFoundation/CFString.h> 351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __APPLE__ 381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic bool APPLE = true; 391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic bool APPLE = false; 411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_HAS_EXCEPTIONS 441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany# define ASAN_THROW(x) throw (x) 451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany# define ASAN_THROW(x) 471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include <sys/mman.h> 501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint8_t U1; 521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint16_t U2; 531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint32_t U4; 541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef uint64_t U8; 551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const char *progname; 571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const int kPageSize = 4096; 581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Simple stand-alone pseudorandom number generator. 601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Current algorithm is ANSI C linear congruential PRNG. 611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic inline uint32_t my_rand(uint32_t* state) { 621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return (*state = *state * 1103515245 + 12345) >> 16; 631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic uint32_t global_seed = 0; 661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyconst size_t kLargeMalloc = 1 << 24; 681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 692dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 70938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void asan_write(T *a) { 711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *a = 0; 721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 74938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void asan_write_sized_aligned(uint8_t *p, size_t size) { 751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, ((uintptr_t)p % size)); 761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (size == 1) asan_write((uint8_t*)p); 771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 2) asan_write((uint16_t*)p); 781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 4) asan_write((uint32_t*)p); 791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 8) asan_write((uint64_t*)p); 801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 82938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_fff(size_t size) { 831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc/**/(size); break_optimization(0); return res;} 84938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_eee(size_t size) { 851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_fff(size); break_optimization(0); return res;} 86938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_ddd(size_t size) { 871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_eee(size); break_optimization(0); return res;} 88938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_ccc(size_t size) { 891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ddd(size); break_optimization(0); return res;} 90938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_bbb(size_t size) { 911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ccc(size); break_optimization(0); return res;} 92938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *malloc_aaa(size_t size) { 931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_bbb(size); break_optimization(0); return res;} 941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 96938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_fff(size_t alignment, size_t size) { 971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign/**/(alignment, size); break_optimization(0); return res;} 98938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_eee(size_t alignment, size_t size) { 991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_fff(alignment, size); break_optimization(0); return res;} 100938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_ddd(size_t alignment, size_t size) { 1011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_eee(alignment, size); break_optimization(0); return res;} 102938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_ccc(size_t alignment, size_t size) { 1031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_ddd(alignment, size); break_optimization(0); return res;} 104938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_bbb(size_t alignment, size_t size) { 1051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_ccc(alignment, size); break_optimization(0); return res;} 106938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void *memalign_aaa(size_t alignment, size_t size) { 1071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_bbb(alignment, size); break_optimization(0); return res;} 1081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 1091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 111938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_ccc(void *p) { free(p); break_optimization(0);} 112938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_bbb(void *p) { free_ccc(p); break_optimization(0);} 113938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void free_aaa(void *p) { free_bbb(p); break_optimization(0);} 1141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1152dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 116938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void oob_test(int size, int off) { 1171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = (char*)malloc_aaa(size); 1181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "writing %d byte(s) into [%p,%p) with offset %d\n", 1191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // sizeof(T), p, p + size, off); 1201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write((T*)(p + off)); 1211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(p); 1221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1252dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 126938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void uaf_test(int size, int off) { 1271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = (char *)malloc_aaa(size); 1281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(p); 1291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 1; i < 100; i++) 1301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(malloc_aaa(i)); 1311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "writing %ld byte(s) at %p with offset %d\n", 1321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany (long)sizeof(T), p, off); 1331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write((T*)(p + off)); 1341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13613ebae606b526399771e9cca1d6a9d24458ad0f1Kostya SerebryanyTEST(AddressSanitizer, HasFeatureAddressSanitizerTest) { 13713ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#if defined(__has_feature) && __has_feature(address_sanitizer) 13813ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 1; 13913ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#else 14013ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 0; 14113ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#endif 14213ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany EXPECT_EQ(true, asan); 1431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1451e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleDeathTest) { 1461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(exit(1), ""); 1471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1491e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VariousMallocsTest) { 1501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "malloc:\n"); 1511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc(100 * sizeof(int)); 1521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[50] = 0; 1531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "realloc:\n"); 1561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *r = (int*)malloc(10); 1571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r = (int*)realloc(r, 2000 * sizeof(int)); 1581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r[1000] = 0; 1591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(r); 1601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "operator new []\n"); 1621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *b = new int[100]; 1631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany b[50] = 0; 1641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete [] b; 1651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "operator new\n"); 1671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *c = new int; 1681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *c = 0; 1691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete c; 1701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1717274eafceb832e1088f30b71652992787ba8c456Evgeniy Stepanov#if !defined(__APPLE__) && !defined(ANDROID) 1721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "posix_memalign\n"); 1731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *pm; 1741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int pm_res = posix_memalign((void**)&pm, kPageSize, kPageSize); 1751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, pm_res); 1761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(pm); 1777274eafceb832e1088f30b71652992787ba8c456Evgeniy Stepanov#endif 1781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1794dd8ba8238b1b698953628affe6e5b2edf3b3e3fAlexey Samsonov#if !defined(__APPLE__) 1801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ma = (int*)memalign(kPageSize, kPageSize); 1811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, (uintptr_t)ma % kPageSize); 1821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ma[123] = 0; 1831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(ma); 1841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 1851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1871e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CallocTest) { 1881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)calloc(100, sizeof(int)); 1891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, a[10]); 1901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1931e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VallocTest) { 1941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *a = valloc(100); 1951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, (uintptr_t)a % kPageSize); 1961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 2001e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, PvallocTest) { 2011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = (char*)pvalloc(kPageSize + 100); 2021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, (uintptr_t)a % kPageSize); 2031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[kPageSize + 101] = 1; // we should not report an error here. 2041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 2051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a = (char*)pvalloc(0); // pvalloc(0) should allocate at least one page. 2071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, (uintptr_t)a % kPageSize); 2081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[101] = 1; // we should not report an error here. 2091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 2101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 2121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *TSDWorker(void *test_key) { 2141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (test_key) { 2151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_setspecific(*(pthread_key_t*)test_key, (void*)0xfeedface); 2161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 2181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid TSDDestructor(void *tsd) { 2211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Spawning a thread will check that the current thread id is not -1. 2221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 2231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDWorker, NULL); 2241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 2251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This tests triggers the thread-specific data destruction fiasco which occurs 2281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// if we don't manage the TSD destructors ourselves. We create a new pthread 2291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// key with a non-NULL destructor which is likely to be put after the destructor 2301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// of AsanThread in the list of destructors. 2311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// In this case the TSD for AsanThread will be destroyed before TSDDestructor 2321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// is called for the child thread, and a CHECK will fail when we call 2331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// pthread_create() to spawn the grandchild. 2341e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_TSDTest) { 2351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 2361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_t test_key; 2371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_create(&test_key, TSDDestructor); 2381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDWorker, &test_key); 2391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 2401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_delete(test_key); 2411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2432dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 2441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid OOBTest() { 2451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 2461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int size = sizeof(T); size < 20; size += 5) { 2471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = -5; i < 0; i++) { 2481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 2491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*%d byte.*to the left"; 2501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, abs(i)); 2511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(size, i), expected_str); 2521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < size - sizeof(T) + 1; i++) 2551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<T>(size, i); 2561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = size - sizeof(T) + 1; i <= size + 3 * sizeof(T); i++) { 2581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 2591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*%d byte.*to the right"; 2601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int off = i >= size ? (i - size) : 0; 2611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // we don't catch unaligned partially OOB accesses. 2621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (i % sizeof(T)) continue; 2631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, off); 2641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(size, i), expected_str); 2651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(kLargeMalloc, -1), 2691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*1 byte.*to the left"); 2701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(kLargeMalloc, kLargeMalloc), 2711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*0 byte.*to the right"); 2721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(glider): the following tests are EXTREMELY slow on Darwin: 2751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOB_char (125503 ms) 2761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOB_int (126890 ms) 2771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOBRightTest (315605 ms) 2781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.SimpleStackTest (366559 ms) 2791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2801e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOB_char) { 2811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany OOBTest<U1>(); 2821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2841e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOB_int) { 2851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany OOBTest<U4>(); 2861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2881e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOBRightTest) { 2891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t access_size = 1; access_size <= 8; access_size *= 2) { 2901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t alloc_size = 1; alloc_size <= 8; alloc_size++) { 2911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t offset = 0; offset <= 8; offset += access_size) { 2921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *p = malloc(alloc_size); 2931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // allocated: [p, p + alloc_size) 2941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // accessed: [p + offset, p + offset + access_size) 2951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uint8_t *addr = (uint8_t*)p + offset; 2961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (offset + access_size <= alloc_size) { 2971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write_sized_aligned(addr, access_size); 2981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 2991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int outside_bytes = offset > alloc_size ? (offset - alloc_size) : 0; 3001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 3011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.%d *byte.*to the right"; 3021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 3031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, outside_bytes); 3041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(asan_write_sized_aligned(addr, access_size), 3051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany expected_str); 3061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(p); 3081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3131e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UAF_char) { 3141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *uaf_string = "AddressSanitizer.*heap-use-after-free"; 3151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(1, 0), uaf_string); 3161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 0), uaf_string); 3171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 10), uaf_string); 3181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, 0), uaf_string); 3191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, kLargeMalloc / 2), uaf_string); 3201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_HAS_BLACKLIST 3231e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, IgnoreTest) { 3241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = Ident(new int); 3251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 0; 3271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_HAS_BLACKLIST 3291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitField { 3311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf1:1; 3321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf2:1; 3331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf3:1; 3341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf4:29; 3351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3371e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldPositiveTest) { 3381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitField *x = new StructWithBitField; 3391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf1 = 0, "use-after-free"); 3411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf2 = 0, "use-after-free"); 3421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf3 = 0, "use-after-free"); 3431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf4 = 0, "use-after-free"); 3441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitFields_8_24 { 3471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a:8; 3481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b:24; 3491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3511e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldNegativeTest) { 3521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitFields_8_24 *x = Ident(new StructWithBitFields_8_24); 3531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->a = 0; 3541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->b = 0; 3551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3581e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OutOfMemoryTest) { 3591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = __WORDSIZE == 64 ? (size_t)(1ULL << 48) : (0xf0000000); 3601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, realloc(0, size)); 3611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, realloc(0, ~Ident(0))); 3621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, malloc(size)); 3631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, malloc(~Ident(0))); 3641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, calloc(1, size)); 3651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, calloc(1, ~Ident(0))); 3661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 3691e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WildAddressTest) { 3701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *c = (char*)0x123; 3711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*c = 0, "AddressSanitizer crashed on unknown address"); 3721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 3741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void MallocStress(size_t n) { 3761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uint32_t seed = my_rand(&global_seed); 3771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t iter = 0; iter < 10; iter++) { 3781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vector<void *> vec; 3791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < n; i++) { 3801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if ((i % 3) == 0) { 3811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (vec.empty()) continue; 3821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t idx = my_rand(&seed) % vec.size(); 3831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *ptr = vec[idx]; 3841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec[idx] = vec.back(); 3851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec.pop_back(); 3861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(ptr); 3871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 3881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = my_rand(&seed) % 1000 + 1; 3891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 3901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t alignment = 1 << (my_rand(&seed) % 7 + 3); 3911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *ptr = (char*)memalign_aaa(alignment, size); 3921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 3931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *ptr = (char*) malloc_aaa(size); 3941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 3951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec.push_back(ptr); 3961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[0] = 0; 3971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[size-1] = 0; 3981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[size/2] = 0; 3991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < vec.size(); i++) 4021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(vec[i]); 4031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4061e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MallocStressTest) { 4078ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov MallocStress((ASAN_LOW_MEMORY) ? 20000 : 200000); 4081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void TestLargeMalloc(size_t size) { 4111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char buff[1024]; 4121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(buff, "is located 1 bytes to the left of %lu-byte", (long)size); 4131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident((char*)malloc(size))[-1] = 0, buff); 4141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4161e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LargeMallocTest) { 4171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 113; i < (1 << 28); i = i * 2 + 13) { 4181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TestLargeMalloc(i); 4191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 422788e1d704436065beb514fdde86070f61d0394edEvgeniy Stepanov#if ASAN_LOW_MEMORY != 1 4231e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, HugeMallocTest) { 4241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __APPLE__ 4251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // It was empirically found out that 1215 megabytes is the maximum amount of 426e4d141dbbaf5185f332a185c22308340657d243eKostya Serebryany // memory available to the process under AddressSanitizer on 32-bit Mac 10.6. 427e4d141dbbaf5185f332a185c22308340657d243eKostya Serebryany // 32-bit Mac 10.7 gives even less (< 1G). 4281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // (the libSystem malloc() allows allocating up to 2300 megabytes without 4291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // ASan). 430e4d141dbbaf5185f332a185c22308340657d243eKostya Serebryany size_t n_megs = __WORDSIZE == 32 ? 500 : 4100; 4311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 4321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t n_megs = __WORDSIZE == 32 ? 2600 : 4100; 4331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 4341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TestLargeMalloc(n_megs << 20); 4351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 436788e1d704436065beb514fdde86070f61d0394edEvgeniy Stepanov#endif 4371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4381e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedMallocStressTest) { 4391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumThreads = 4; 4408ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov const int kNumIterations = (ASAN_LOW_MEMORY) ? 10000 : 100000; 4411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 4421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 4438ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov pthread_create(&t[i], 0, (void* (*)(void *x))MallocStress, 4448ae44ac678644265ba82a1b5696a402c9301a85cEvgeniy Stepanov (void*)kNumIterations); 4451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 4471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 4481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ManyThreadsWorker(void *a) { 4521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int iter = 0; iter < 100; iter++) { 4531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t size = 100; size < 2000; size *= 2) { 4541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(Ident(malloc(size))); 4551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 4581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4601e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyThreadsTest) { 461918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany const size_t kNumThreads = __WORDSIZE == 32 ? 30 : 1000; 4621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 4631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 4641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t[i], 0, (void* (*)(void *x))ManyThreadsWorker, (void*)i); 4651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 4671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 4681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4711e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ReallocTest) { 4721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kMinElem = 5; 4731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ptr = (int*)malloc(sizeof(int) * kMinElem); 4741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[3] = 3; 4751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 4761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr = (int*)realloc(ptr, 4771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany (my_rand(&global_seed) % 1000 + kMinElem) * sizeof(int)); 4781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(3, ptr[3]); 4791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4824fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov#ifndef __APPLE__ 4834fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonovstatic const char *kMallocUsableSizeErrorMsg = 4844fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov "AddressSanitizer attempting to call malloc_usable_size()"; 4854fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 4864fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey SamsonovTEST(AddressSanitizer, MallocUsableSizeTest) { 4874fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov const size_t kArraySize = 100; 4884fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov char *array = Ident((char*)malloc(kArraySize)); 4894fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov int *int_ptr = Ident(new int); 4906677def188c17ac63866146d72c4b1b652649fc6Alexey Samsonov EXPECT_EQ(0, malloc_usable_size(NULL)); 4914fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(kArraySize, malloc_usable_size(array)); 4924fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(sizeof(int), malloc_usable_size(int_ptr)); 4934fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size((void*)0x123), kMallocUsableSizeErrorMsg); 4944fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array + kArraySize / 2), 4954fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov kMallocUsableSizeErrorMsg); 4964fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov free(array); 4974fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array), kMallocUsableSizeErrorMsg); 4984fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov} 4994fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov#endif 5004fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 5011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid WrongFree() { 5021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 5031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Use the allocated memory, otherwise Clang will optimize it out. 5041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x); 5051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x + 1); 5061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5081e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WrongFreeTest) { 509c16201337a4bb974093ff75aa45682739a331d05Kostya Serebryany EXPECT_DEATH(WrongFree(), 510c16201337a4bb974093ff75aa45682739a331d05Kostya Serebryany "ERROR: AddressSanitizer attempting free.*not malloc"); 5111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid DoubleFree() { 5141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 5151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "DoubleFree: x=%p\n", x); 5161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 5171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 5181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "should have failed in the second free(%p)\n", x); 5191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany abort(); 5201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5221e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DoubleFreeTest) { 52327f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany EXPECT_DEATH(DoubleFree(), ASAN_PCRE_DOTALL 52427f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany "ERROR: AddressSanitizer attempting double-free" 52527f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*is located 0 bytes inside of 400-byte region" 52627f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*freed by thread T0 here" 52727f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*previously allocated by thread T0 here"); 5281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<int kSize> 531938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void SizedStackTest() { 5321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[kSize]; 5331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *A = Ident((char*)&a); 5341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kSize; i++) 5351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany A[i] = i; 5361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-1] = 0, ""); 5371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-20] = 0, ""); 5381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-31] = 0, ""); 5391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize] = 0, ""); 5401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 1] = 0, ""); 5411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 10] = 0, ""); 5421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 31] = 0, ""); 5431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5451e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleStackTest) { 5461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<1>(); 5471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<2>(); 5481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<3>(); 5491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<4>(); 5501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<5>(); 5511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<6>(); 5521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<7>(); 5531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<16>(); 5541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<25>(); 5551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<34>(); 5561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<43>(); 5571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<51>(); 5581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<62>(); 5591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<64>(); 5601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<128>(); 5611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5631e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyStackObjectsTest) { 5641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char XXX[10]; 5651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char YYY[20]; 5661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char ZZZ[30]; 5671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(XXX); 5681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(YYY); 5691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(ZZZ)[-1] = 0, ASAN_PCRE_DOTALL "XXX.*YYY.*ZZZ"); 5701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 572938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame0(int frame, char *a, char *b, char *c) { 5731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char d[4] = {0}; 5741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *D = Ident(d); 5751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany switch (frame) { 5761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 3: a[5]++; break; 5771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 2: b[5]++; break; 5781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 1: c[5]++; break; 5791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 0: D[5]++; break; 5801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 5811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 582938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame1(int frame, char *a, char *b) { 5831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char c[4] = {0}; Frame0(frame, a, b, c); 5841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 5851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 586938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame2(int frame, char *a) { 5871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char b[4] = {0}; Frame1(frame, a, b); 5881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 5891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 590938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void Frame3(int frame) { 5911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[4] = {0}; Frame2(frame, a); 5921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 5931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5951e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame0Test) { 5961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(0), "located .*in frame <.*Frame0"); 5971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5981e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame1Test) { 5991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(1), "located .*in frame <.*Frame1"); 6001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6011e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame2Test) { 6021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(2), "located .*in frame <.*Frame2"); 6031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6041e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame3Test) { 6051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(3), "located .*in frame <.*Frame3"); 6061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 608938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void LongJmpFunc1(jmp_buf buf) { 6091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany longjmp(buf, 1); 6171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 619938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void UnderscopeLongJmpFunc1(jmp_buf buf) { 6201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany _longjmp(buf, 1); 6281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 630938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void SigLongJmpFunc1(sigjmp_buf buf) { 6311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany siglongjmp(buf, 1); 6391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 642938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void TouchStackFunc() { 6431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a[100]; // long array will intersect with redzones from LongJmpFunc1. 6441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(a); 6451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 100; i++) 6461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany A[i] = i*i; 6471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Test that we handle longjmp and do not report fals positives on stack. 6501e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LongJmpTest) { 6511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static jmp_buf buf; 6521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!setjmp(buf)) { 6531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LongJmpFunc1(buf); 6541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 6551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6591e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UnderscopeLongJmpTest) { 6601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static jmp_buf buf; 6611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!_setjmp(buf)) { 6621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany UnderscopeLongJmpFunc1(buf); 6631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 6641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6681e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SigLongJmpTest) { 6691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static sigjmp_buf buf; 6701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!sigsetjmp(buf, 1)) { 6711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SigLongJmpFunc1(buf); 6721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 6731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __EXCEPTIONS 678938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE void ThrowFunc() { 6791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 6871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6891e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CxxExceptionTest) { 6901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (ASAN_UAR) return; 6911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(kcc): this test crashes on 32-bit for some reason... 6921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (__WORDSIZE == 32) return; 6931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 6941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThrowFunc(); 6951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) {} 6961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 6971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 6991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc1(void *unused) { 7011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 7021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 7031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 7041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 7061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 7071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 7081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_exit(0); 7091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 7101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc2(void *unused) { 7131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 7151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7171e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadStackReuseTest) { 7181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 7191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadStackReuseFunc1, 0); 7201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 7211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadStackReuseFunc2, 0); 7221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 7231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 725f6607d097833cd53460735c1a5a2fd52b97613ebTimur Iskhodzhanov#if defined(__i386__) || defined(__x86_64__) 7261e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, Store128Test) { 7271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = Ident((char*)malloc(Ident(12))); 7281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = a; 7291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (((uintptr_t)a % 16) != 0) 7301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany p = a + 8; 7311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(((uintptr_t)p % 16) == 0); 7321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany __m128i value_wide = _mm_set1_epi16(0x1234); 7331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 734acd5c617b219e0f059620c2a3928d2cc821d4534Kostya Serebryany "AddressSanitizer heap-buffer-overflow"); 735acd5c617b219e0f059620c2a3928d2cc821d4534Kostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "WRITE of size 16"); 7371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "located 0 bytes to the right of 12-byte"); 7391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 7401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 7421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic string RightOOBErrorMessage(int oob_distance) { 7441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance >= 0); 7451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 7461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, "located %d bytes to the right", oob_distance); 7471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 7481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic string LeftOOBErrorMessage(int oob_distance) { 7511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance > 0); 7521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 7531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, "located %d bytes to the left", oob_distance); 7541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 7551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7572dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate<typename T> 7581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid MemSetOOBTestTemplate(size_t length) { 7591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length == 0) return; 7601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(sizeof(T) * length); 7611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *array = Ident((T*)malloc(size)); 7621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int element = Ident(42); 7631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int zero = Ident(0); 7641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // memset interval inside array 7651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, size); 7661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, size - 1); 7671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length - 1, element, sizeof(T)); 7681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, 1); 7691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // memset 0 bytes 7711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array - 10, element, zero); 7721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array - 1, element, zero); 7731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, zero); 7741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length, 0, zero); 7751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length + 1, 0, zero); 7761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes to the right of array 7781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array, 0, size + 1), 7791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 7801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)(array + length) - 1, element, 6), 7811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(4)); 7821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array + 1, element, size + sizeof(T)), 7831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2 * sizeof(T) - 1)); 7841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // whole interval is to the right 7851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array + length + 1, 0, 10), 7861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(sizeof(T))); 7871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes to the left of array 7891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 1, element, size), 7901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 7911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 5, 0, 6), 7921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(5)); 7931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array - 5, element, size + 5 * sizeof(T)), 7941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(5 * sizeof(T))); 7951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // whole interval is to the left 7961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array - 2, 0, sizeof(T)), 7971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 7981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes both to the left & to the right 8001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 2, element, size + 4), 8011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2)); 8021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(array); 8041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8061e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemSetOOBTest) { 8071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<char>(100); 8081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<int>(5); 8091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<double>(256); 8101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We can test arrays of structres/classes here, but what for? 8111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Same test for memcpy and memmove functions 8142dcf44991a8ec1ca7c8051eb27c5ff158530bdc3Timur Iskhodzhanovtemplate <typename T, class M> 8151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid MemTransferOOBTestTemplate(size_t length) { 8161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length == 0) return; 8171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(sizeof(T) * length); 8181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *src = Ident((T*)malloc(size)); 8191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *dest = Ident((T*)malloc(size)); 8201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int zero = Ident(0); 8211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // valid transfer of bytes between arrays 8231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, size); 8241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest + 1, src, size - sizeof(T)); 8251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src + length - 1, sizeof(T)); 8261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, 1); 8271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // transfer zero bytes 8291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest - 1, src, 0); 8301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest + length, src, zero); 8311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src - 1, zero); 8321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, zero); 8331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to the right of dest 8351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest + 1, src, size), 8361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(sizeof(T) - 1)); 8371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer((char*)(dest + length) - 1, src, 5), 8381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(3)); 8391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to the left of dest 8411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest - 2, src, size), 8421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 8431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer((char*)dest - 3, src, 4), 8441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(3)); 8451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to the right of src 8471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, src + 2, size), 8481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2 * sizeof(T) - 1)); 8491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, (char*)(src + length) - 3, 6), 8501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2)); 8511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to the left of src 8531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, src - 1, size), 8541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(sizeof(T))); 8551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, (char*)src - 6, 7), 8561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(6)); 8571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Generally we don't need to test cases where both accessing src and writing 8591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // to dest address to poisoned memory. 8601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *big_src = Ident((T*)malloc(size * 2)); 8621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *big_dest = Ident((T*)malloc(size * 2)); 8631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to both sides of dest 8641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest - 1, big_src, size * 2), 8651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(sizeof(T))); 8661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to both sides of src 8671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(big_dest, src - 2, size * 2), 8681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 8691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(src); 8711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(dest); 8721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(big_src); 8731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(big_dest); 8741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyclass MemCpyWrapper { 8771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany public: 8781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static void* transfer(void *to, const void *from, size_t size) { 8791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return memcpy(to, from, size); 8801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 8811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 8821e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemCpyOOBTest) { 8831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<char, MemCpyWrapper>(100); 8841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<int, MemCpyWrapper>(1024); 8851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyclass MemMoveWrapper { 8881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany public: 8891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static void* transfer(void *to, const void *from, size_t size) { 8901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return memmove(to, from, size); 8911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 8921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 8931e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemMoveOOBTest) { 8941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<char, MemMoveWrapper>(100); 8951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<int, MemMoveWrapper>(1024); 8961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Tests for string functions 8991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Used for string functions tests 9011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic char global_string[] = "global"; 9021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic size_t global_string_length = 6; 9031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Input to a test is a zero-terminated string str with given length 9051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Accesses to the bytes to the left and to the right of str 9061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// are presumed to produce OOB errors 9071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid StrLenOOBTestTemplate(char *str, size_t length, bool is_global) { 9081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strlen calls 9091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(strlen(str), length); 9101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length > 0) { 9111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(strlen(str + 1), length - 1); 9121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(strlen(str + length), 0); 9131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Arg of strlen is not malloced, OOB access 9151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!is_global) { 9161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We don't insert RedZones to the left of global variables 9171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str - 1)), LeftOOBErrorMessage(1)); 9181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str - 5)), LeftOOBErrorMessage(5)); 9191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str + length + 1)), RightOOBErrorMessage(0)); 9211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite terminator 9221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[length] = 'a'; 9231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // String is not zero-terminated, strlen will lead to OOB access 9241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str)), RightOOBErrorMessage(0)); 9251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str + length)), RightOOBErrorMessage(0)); 9261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Restore terminator 9271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[length] = 0; 9281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrLenOOBTest) { 9301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check heap-allocated string 9311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t length = Ident(10); 9321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *heap_string = Ident((char*)malloc(length + 1)); 9331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char stack_string[10 + 1]; 9341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < length; i++) { 9351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany heap_string[i] = 'a'; 9361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany stack_string[i] = 'b'; 9371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany heap_string[length] = 0; 9391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany stack_string[length] = 0; 9401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StrLenOOBTestTemplate(heap_string, length, false); 9411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(samsonov): Fix expected messages in StrLenOOBTestTemplate to 9421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // make test for stack_string work. Or move it to output tests. 9431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // StrLenOOBTestTemplate(stack_string, length, false); 9441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StrLenOOBTestTemplate(global_string, global_string_length, true); 9451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(heap_string); 9461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 948847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovstatic inline char* MallocAndMemsetString(size_t size, char ch) { 949af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *s = Ident((char*)malloc(size)); 950847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov memset(s, ch, size); 951af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany return s; 952af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 953847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovstatic inline char* MallocAndMemsetString(size_t size) { 954847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov return MallocAndMemsetString(size, 'z'); 955847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 956af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 9571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 9581e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrNLenOOBTest) { 9591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(123); 960af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 9611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strnlen calls. 9621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str - 1, 0)); 9631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str, size)); 9641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str + size - 1, 1)); 9651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = '\0'; 9661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str, 2 * size)); 9671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Argument points to not allocated memory. 9681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str - 1, 1)), LeftOOBErrorMessage(1)); 9691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str + size, 1)), RightOOBErrorMessage(0)); 9701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' and hit unallocated memory. 9711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = 'z'; 9721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str, size + 1)), RightOOBErrorMessage(0)); 9731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 9741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 9761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9771e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrDupOOBTest) { 9781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(42); 979af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 9801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *new_str; 9811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strdup calls. 9821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = '\0'; 9831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany new_str = strdup(str); 9841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(new_str); 9851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany new_str = strdup(str + size - 1); 9861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(new_str); 9871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Argument points to not allocated memory. 9881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str - 1)), LeftOOBErrorMessage(1)); 9891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str + size)), RightOOBErrorMessage(0)); 9901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' and hit unallocated memory. 9911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = 'z'; 9921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str)), RightOOBErrorMessage(0)); 9931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 9941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9961e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrCpyOOBTest) { 9971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t to_size = Ident(30); 9981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t from_size = Ident(6); // less than to_size 9991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *to = Ident((char*)malloc(to_size)); 10001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *from = Ident((char*)malloc(from_size)); 10011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strcpy calls. 10021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(from, "hello"); 10031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(to, from); 10041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(to + to_size - from_size, from); 10051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "from" is too small. 10061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(from, "hello2")), RightOOBErrorMessage(0)); 10071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // "to" or "from" points to not allocated memory. 10081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to - 1, from)), LeftOOBErrorMessage(1)); 10091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from - 1)), LeftOOBErrorMessage(1)); 10101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from + from_size)), RightOOBErrorMessage(0)); 10111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to + to_size, from)), RightOOBErrorMessage(0)); 10121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' character and hit unallocated memory. 10131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany from[from_size - 1] = '!'; 10141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from)), RightOOBErrorMessage(0)); 10151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(to); 10161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(from); 10171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10191e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrNCpyOOBTest) { 10201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t to_size = Ident(20); 10211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t from_size = Ident(6); // less than to_size 10221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *to = Ident((char*)malloc(to_size)); 10231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // From is a zero-terminated string "hello\0" of length 6 10241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *from = Ident((char*)malloc(from_size)); 10251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(from, "hello"); 10261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // copy 0 bytes 10271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, 0); 10281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to - 1, from - 1, 0); 10291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // normal strncpy calls 10301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, from_size); 10311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, to_size); 10321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from + from_size - 1, to_size); 10331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to + to_size - 1, from, 1); 10341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of {to, from} points to not allocated memory 10351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from - 1, from_size)), 10361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 10371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to - 1, from, from_size)), 10381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 10391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from + from_size, 1)), 10401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + to_size, from, 1)), 10421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "to" is too small 10441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + to_size - from_size + 1, from, from_size)), 10451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + 1, from, to_size)), 10471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite terminator in from 10491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany from[from_size - 1] = '!'; 10501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // normal strncpy call 10511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, from_size); 10521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "from" is too small 10531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from, to_size)), 10541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(to); 10561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(from); 10571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef char*(*PointerToStrChr)(const char*, int); 10601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid RunStrChrTest(PointerToStrChr StrChr) { 10611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 1062af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 10631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[10] = 'q'; 10641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[11] = '\0'; 10651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(str, StrChr(str, 'z')); 10661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(str + 10, StrChr(str, 'q')); 10671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(NULL, StrChr(str, 'a')); 10681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // StrChr argument points to not allocated memory. 10691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str - 1, 'z')), LeftOOBErrorMessage(1)); 10701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str + size, 'z')), RightOOBErrorMessage(0)); 10711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminator and hit not allocated memory. 10721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[11] = 'z'; 10731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str, 'a')), RightOOBErrorMessage(0)); 10741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 10751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10761e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrChrAndIndexOOBTest) { 10771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RunStrChrTest(&strchr); 10781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RunStrChrTest(&index); 10791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10811e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrCmpAndFriendsLogicTest) { 10821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // strcmp 10831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strcmp("", "")); 10841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strcmp("abcd", "abcd")); 1085af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcmp("ab", "ac")); 1086af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcmp("abc", "abcd")); 1087af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcmp("acc", "abc")); 1088af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcmp("abcd", "abc")); 10891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // strncmp 10911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("a", "b", 0)); 10921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("abcd", "abcd", 10)); 10931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("abcd", "abcef", 3)); 1094af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("abcde", "abcfa", 4)); 1095af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("a", "b", 5)); 1096af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("bc", "bcde", 4)); 1097af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("xyz", "xyy", 10)); 1098af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("baa", "aaa", 1)); 1099af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("zyx", "", 2)); 1100af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1101af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // strcasecmp 1102af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("", "")); 1103af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("zzz", "zzz")); 1104af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("abCD", "ABcd")); 1105af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcasecmp("aB", "Ac")); 1106af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcasecmp("ABC", "ABCd")); 1107af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcasecmp("acc", "abc")); 1108af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcasecmp("ABCd", "abc")); 1109af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1110af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // strncasecmp 1111af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("a", "b", 0)); 1112af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("abCD", "ABcd", 10)); 1113af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("abCd", "ABcef", 3)); 1114af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("abcde", "ABCfa", 4)); 1115af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("a", "B", 5)); 1116af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("bc", "BCde", 4)); 1117af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("xyz", "xyy", 10)); 1118af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("Baa", "aaa", 1)); 1119af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("zyx", "", 2)); 112052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany 112152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // memcmp 112252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_EQ(0, memcmp("a", "b", 0)); 112352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_EQ(0, memcmp("ab\0c", "ab\0c", 4)); 112452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_GT(0, memcmp("\0ab", "\0ac", 3)); 112552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_GT(0, memcmp("abb\0", "abba", 4)); 112652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_LT(0, memcmp("ab\0cd", "ab\0c\0", 5)); 112752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_LT(0, memcmp("zza", "zyx", 3)); 1128af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1129af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1130af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanytypedef int(*PointerToStrCmp)(const char*, const char*); 1131af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanyvoid RunStrCmpTest(PointerToStrCmp StrCmp) { 11321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 11331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s1 = MallocAndMemsetString(size); 11341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s2 = MallocAndMemsetString(size); 11351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = '\0'; 11361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = '\0'; 1137af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // Normal StrCmp calls 1138af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2)); 1139af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2 + size - 1)); 1140af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1 + size - 1, s2 + size - 1)); 11411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = 'z'; 11421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'x'; 1143af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2)); 11441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of arguments points to not allocated memory. 1145af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 - 1, s2), LeftOOBErrorMessage(1)); 1146af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s2 - 1), LeftOOBErrorMessage(1)); 1147af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 + size, s2), RightOOBErrorMessage(0)); 1148af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s2 + size), RightOOBErrorMessage(0)); 11491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Hit unallocated memory and die. 11501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'z'; 1151af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s1), RightOOBErrorMessage(0)); 1152af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 + size - 1, s2), RightOOBErrorMessage(0)); 11531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s1); 11541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s2); 11551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1157af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrCmpOOBTest) { 1158af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrCmpTest(&strcmp); 1159af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1160af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1161af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrCaseCmpOOBTest) { 1162af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrCmpTest(&strcasecmp); 1163af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1164af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1165af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanytypedef int(*PointerToStrNCmp)(const char*, const char*, size_t); 1166af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanyvoid RunStrNCmpTest(PointerToStrNCmp StrNCmp) { 11671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 11681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s1 = MallocAndMemsetString(size); 11691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s2 = MallocAndMemsetString(size); 11701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = '\0'; 11711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = '\0'; 1172af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // Normal StrNCmp calls 1173af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1, s2, size + 2)); 11741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = 'z'; 11751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'x'; 1176af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 + size - 2, s2 + size - 2, size)); 11771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'z'; 1178af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 - 1, s2 - 1, 0)); 1179af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 + size - 1, s2 + size - 1, 1)); 11801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of arguments points to not allocated memory. 1181af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 - 1, s2, 1), LeftOOBErrorMessage(1)); 1182af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1, s2 - 1, 1), LeftOOBErrorMessage(1)); 1183af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + size, s2, 1), RightOOBErrorMessage(0)); 1184af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1, s2 + size, 1), RightOOBErrorMessage(0)); 11851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Hit unallocated memory and die. 1186af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + 1, s2 + 1, size), RightOOBErrorMessage(0)); 1187af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + size - 1, s2, 2), RightOOBErrorMessage(0)); 11881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s1); 11891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s2); 11901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1192af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrNCmpOOBTest) { 1193af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrNCmpTest(&strncmp); 1194af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1195af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1196af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrNCaseCmpOOBTest) { 1197af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrNCmpTest(&strncasecmp); 1198af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1199af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 120052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya SerebryanyTEST(AddressSanitizer, MemCmpOOBTest) { 120152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany size_t size = Ident(100); 120252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany char *s1 = MallocAndMemsetString(size); 120352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany char *s2 = MallocAndMemsetString(size); 120452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Normal memcmp calls. 120552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1, s2, size)); 120652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1 + size - 1, s2 + size - 1, 1)); 120752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1 - 1, s2 - 1, 0)); 120852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // One of arguments points to not allocated memory. 120952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 - 1, s2, 1), LeftOOBErrorMessage(1)); 121052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2 - 1, 1), LeftOOBErrorMessage(1)); 121152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + size, s2, 1), RightOOBErrorMessage(0)); 121252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2 + size, 1), RightOOBErrorMessage(0)); 121352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Hit unallocated memory and die. 121452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + 1, s2 + 1, size), RightOOBErrorMessage(0)); 121552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + size - 1, s2, 2), RightOOBErrorMessage(0)); 121652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Zero bytes are not terminators and don't prevent from OOB. 121752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany s1[size - 1] = '\0'; 121852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany s2[size - 1] = '\0'; 121952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2, size + 1), RightOOBErrorMessage(0)); 122052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany free(s1); 122152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany free(s2); 122252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany} 122352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany 12240985ca240812ac5519168a6aecbccf4c513ae243Kostya SerebryanyTEST(AddressSanitizer, StrCatOOBTest) { 12250985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany size_t to_size = Ident(100); 12260985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany char *to = MallocAndMemsetString(to_size); 12270985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany to[0] = '\0'; 12280985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany size_t from_size = Ident(20); 12290985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany char *from = MallocAndMemsetString(from_size); 12300985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = '\0'; 12310985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Normal strcat calls. 12320985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from); 12330985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from); 12340985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to + from_size, from + from_size - 2); 12350985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Catenate empty string is not always an error. 12360985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to - 1, from + from_size - 1); 12370985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // One of arguments points to not allocated memory. 12380985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to - 1, from), LeftOOBErrorMessage(1)); 12390985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from - 1), LeftOOBErrorMessage(1)); 12400985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to + to_size, from), RightOOBErrorMessage(0)); 12410985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from + from_size), RightOOBErrorMessage(0)); 12420985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 12430985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "from" is not zero-terminated. 12440985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = 'z'; 12450985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 12460985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = '\0'; 12470985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "to" is not zero-terminated. 12480985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany memset(to, 'z', to_size); 12490985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 12500985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "to" is too short to fit "from". 12510985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany to[to_size - from_size + 1] = '\0'; 12520985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 12530985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // length of "to" is just enough. 12540985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from + 1); 1255c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1256c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(to); 1257c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(from); 1258c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov} 1259c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1260c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey SamsonovTEST(AddressSanitizer, StrNCatOOBTest) { 1261c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov size_t to_size = Ident(100); 1262c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov char *to = MallocAndMemsetString(to_size); 1263c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[0] = '\0'; 1264c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov size_t from_size = Ident(20); 1265c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov char *from = MallocAndMemsetString(from_size); 1266c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // Normal strncat calls. 1267c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, 0); 1268c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, from_size); 1269c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov from[from_size - 1] = '\0'; 1270c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, 2 * from_size); 1271c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // Catenating empty string is not an error. 1272c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to - 1, from, 0); 1273c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from + from_size - 1, 10); 1274c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // One of arguments points to not allocated memory. 1275c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to - 1, from, 2), LeftOOBErrorMessage(1)); 1276c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from - 1, 2), LeftOOBErrorMessage(1)); 1277c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to + to_size, from, 2), RightOOBErrorMessage(0)); 1278c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from + from_size, 2), RightOOBErrorMessage(0)); 1279c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1280c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov memset(from, 'z', from_size); 1281c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov memset(to, 'z', to_size); 1282c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[0] = '\0'; 1283c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "from" is too short. 1284c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from, from_size + 1), RightOOBErrorMessage(0)); 1285c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "to" is not zero-terminated. 1286c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to + 1, from, 1), RightOOBErrorMessage(0)); 1287c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "to" is too short to fit "from". 1288c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[0] = 'z'; 1289c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov to[to_size - from_size + 1] = '\0'; 1290c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(to, from, from_size - 1), RightOOBErrorMessage(0)); 1291c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // "to" is just enough. 1292c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(to, from, from_size - 2); 1293c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 1294c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(to); 1295c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov free(from); 12960985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany} 12970985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 1298c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryanystatic string OverlapErrorMessage(const string &func) { 1299c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany return func + "-param-overlap"; 1300c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany} 13011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13021e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrArgsOverlapTest) { 13031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 13041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *str = Ident((char*)malloc(size)); 13051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13060503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko// Do not check memcpy() on OS X 10.7 and later, where it actually aliases 13070503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko// memmove(). 13080503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#if !defined(__APPLE__) || !defined(MAC_OS_X_VERSION_10_7) || \ 13090503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7) 13101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "memcpy". Use Ident() to avoid inlining. 13111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(memcpy)(str + 1, str + 11, 10); 13131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(memcpy)(str, str, 0); 1314c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(Ident(memcpy)(str, str + 14, 15), OverlapErrorMessage("memcpy")); 1315c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(Ident(memcpy)(str + 14, str, 15), OverlapErrorMessage("memcpy")); 13160503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#endif 1317c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1318c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // We do not treat memcpy with to==from as a bug. 1319c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // See http://llvm.org/bugs/show_bug.cgi?id=11763. 1320c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // EXPECT_DEATH(Ident(memcpy)(str + 20, str + 20, 1), 1321c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // OverlapErrorMessage("memcpy")); 13221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "strcpy". 13241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[9] = '\0'; 13261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(str + 10, str); 1327c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcpy(str + 9, str), OverlapErrorMessage("strcpy")); 1328c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcpy(str, str + 4), OverlapErrorMessage("strcpy")); 13291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(str, str + 5); 13301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "strncpy". 13321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(str, str + 10, 10); 1334c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str, str + 9, 10), OverlapErrorMessage("strncpy")); 1335c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str + 9, str, 10), OverlapErrorMessage("strncpy")); 13361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[10] = '\0'; 13371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(str + 11, str, 20); 1338c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str + 10, str, 20), OverlapErrorMessage("strncpy")); 13391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13400985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Check "strcat". 13410985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany memset(str, 'z', size); 13420985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[10] = '\0'; 13430985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[20] = '\0'; 13440985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str, str + 10); 13450985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str, str + 11); 13460985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[10] = '\0'; 13470985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str + 11, str); 1348c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str, str + 9), OverlapErrorMessage("strcat")); 1349c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str + 9, str), OverlapErrorMessage("strcat")); 1350c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str + 10, str), OverlapErrorMessage("strcat")); 13510985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 1352c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov // Check "strncat". 1353c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov memset(str, 'z', size); 1354c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[10] = '\0'; 1355c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(str, str + 10, 10); // from is empty 1356c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(str, str + 11, 10); 1357c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[10] = '\0'; 1358c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[20] = '\0'; 1359c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov strncat(str + 5, str, 5); 1360c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov str[10] = '\0'; 1361c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(str + 5, str, 6), OverlapErrorMessage("strncat")); 1362c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov EXPECT_DEATH(strncat(str, str + 9, 10), OverlapErrorMessage("strncat")); 1363c1bdd5adca453f2fae238a4c53ade35ae60b85daAlexey Samsonov 13641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 13651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 13661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1367847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid CallAtoi(const char *nptr) { 1368847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Ident(atoi(nptr)); 1369847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1370847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid CallAtol(const char *nptr) { 1371847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Ident(atol(nptr)); 1372847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1373847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid CallAtoll(const char *nptr) { 1374847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Ident(atoll(nptr)); 1375847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1376847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovtypedef void(*PointerToCallAtoi)(const char*); 1377847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov 1378847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonovvoid RunAtoiOOBTest(PointerToCallAtoi Atoi) { 1379847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov char *array = MallocAndMemsetString(10, '1'); 1380847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Invalid pointer to the string. 1381847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array + 11), RightOOBErrorMessage(1)); 1382847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array - 1), LeftOOBErrorMessage(1)); 1383847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Die if a buffer doesn't have terminating NULL. 1384847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array), RightOOBErrorMessage(0)); 1385847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Make last symbol a terminating NULL or other non-digit. 1386847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[9] = '\0'; 1387847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array); 1388847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[9] = 'a'; 1389847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array); 1390847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array + 9); 1391847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov // Sometimes we need to detect overflow if no digits are found. 1392847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov memset(array, ' ', 10); 1393847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array), RightOOBErrorMessage(0)); 1394847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[9] = '-'; 1395847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array), RightOOBErrorMessage(0)); 1396847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov EXPECT_DEATH(Atoi(array + 9), RightOOBErrorMessage(0)); 1397847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov array[8] = '-'; 1398847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov Atoi(array); 1399847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov delete array; 1400847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1401847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov 1402847f932ab0405757946433b81d3b2952b306b0bcAlexey SamsonovTEST(AddressSanitizer, AtoiAndFriendsOOBTest) { 1403847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov RunAtoiOOBTest(&CallAtoi); 1404847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov RunAtoiOOBTest(&CallAtol); 1405847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov RunAtoiOOBTest(&CallAtoll); 1406847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov} 1407847f932ab0405757946433b81d3b2952b306b0bcAlexey Samsonov 14088f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovvoid CallStrtol(const char *nptr, char **endptr, int base) { 14098f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Ident(strtol(nptr, endptr, base)); 14108f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14118f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovvoid CallStrtoll(const char *nptr, char **endptr, int base) { 14128f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Ident(strtoll(nptr, endptr, base)); 14138f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14148f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovtypedef void(*PointerToCallStrtol)(const char*, char**, int); 14158f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov 14168f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonovvoid RunStrtolOOBTest(PointerToCallStrtol Strtol) { 141784ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov char *array = MallocAndMemsetString(3); 141884ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov char *endptr = NULL; 141984ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[0] = '1'; 142084ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[1] = '2'; 142184ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '3'; 142284ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Invalid pointer to the string. 14238f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array + 3, NULL, 0), RightOOBErrorMessage(0)); 14248f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array - 1, NULL, 0), LeftOOBErrorMessage(1)); 142584ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Buffer overflow if there is no terminating null (depends on base). 14268f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, &endptr, 3); 142784ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array + 2, endptr); 14288f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 142984ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = 'z'; 14308f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, &endptr, 35); 143184ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array + 2, endptr); 14328f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 36), RightOOBErrorMessage(0)); 143384ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Add terminating zero to get rid of overflow. 143484ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '\0'; 14358f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, NULL, 36); 143684ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Don't check for overflow if base is invalid. 14378f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array - 1, NULL, -1); 14388f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array + 3, NULL, 1); 143984ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov // Sometimes we need to detect overflow if no digits are found. 144084ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[0] = array[1] = array[2] = ' '; 14418f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 144284ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '+'; 14438f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 144484ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[2] = '-'; 14458f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov EXPECT_DEATH(Strtol(array, NULL, 0), RightOOBErrorMessage(0)); 144684ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[1] = '+'; 14478f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, NULL, 0); 144884ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov array[1] = array[2] = 'z'; 14498f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array, &endptr, 0); 145084ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array, endptr); 14518f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov Strtol(array + 2, NULL, 0); 145284ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov EXPECT_EQ(array, endptr); 145384ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov delete array; 145484ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov} 145584ba324b94d22a69acc823e845f9718fd2984e44Alexey Samsonov 14568f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey SamsonovTEST(AddressSanitizer, StrtollOOBTest) { 14578f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov RunStrtolOOBTest(&CallStrtoll); 14588f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14598f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey SamsonovTEST(AddressSanitizer, StrtolOOBTest) { 14608f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov RunStrtolOOBTest(&CallStrtol); 14618f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov} 14628f6a77f3f59ebc5f40f235e51836f468f30b9110Alexey Samsonov 14631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// At the moment we instrument memcpy/memove/memset calls at compile time so we 14641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// can't handle OOB error if these functions are called by pointer, see disabled 14651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// MemIntrinsicCallByPointerTest below 14661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef void*(*PointerToMemTransfer)(void*, const void*, size_t); 14671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef void*(*PointerToMemSet)(void*, int, size_t); 14681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid CallMemSetByPointer(PointerToMemSet MemSet) { 14701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 14711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *array = Ident((char*)malloc(size)); 14721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(MemSet(array, 0, 101), RightOOBErrorMessage(0)); 14731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(array); 14741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid CallMemTransferByPointer(PointerToMemTransfer MemTransfer) { 14771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 14781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *src = Ident((char*)malloc(size)); 14791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *dst = Ident((char*)malloc(size)); 14801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(MemTransfer(dst, src, 101), RightOOBErrorMessage(0)); 14811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(src); 14821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(dst); 14831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14851e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MemIntrinsicCallByPointerTest) { 14861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemSetByPointer(&memset); 14871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemTransferByPointer(&memcpy); 14881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemTransferByPointer(&memmove); 14891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test case fails 14921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Clang optimizes memcpy/memset calls which lead to unaligned access 14931e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MemIntrinsicUnalignedAccessTest) { 14941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int size = Ident(4096); 14951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s = Ident((char*)malloc(size)); 14961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(s + size - 1, 0, 2), RightOOBErrorMessage(0)); 14971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s); 14981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add a test with malloc(0) 15011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add tests for str* and mem* functions. 15021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1503938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static int LargeFunction(bool do_bad_access) { 15041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = new int[100]; 15051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[0]++; 15061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[1]++; 15071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[2]++; 15081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[3]++; 15091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[4]++; 15101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[5]++; 15111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[6]++; 15121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[7]++; 15131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[8]++; 15141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[9]++; 15151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[do_bad_access ? 100 : 0]++; int res = __LINE__; 15171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[10]++; 15191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[11]++; 15201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[12]++; 15211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[13]++; 15221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[14]++; 15231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[15]++; 15241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[16]++; 15251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[17]++; 15261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[18]++; 15271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[19]++; 15281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete x; 15301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return res; 15311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Test the we have correct debug info for the failing instruction. 15341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test requires the in-process symbolizer to be enabled by default. 15351e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_LargeFunctionSymbolizeTest) { 15361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int failing_line = LargeFunction(false); 15371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_warning[128]; 15381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_warning, "LargeFunction.*asan_test.cc:%d", failing_line); 15391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(LargeFunction(true), expected_warning); 15401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Check that we unwind and symbolize correctly. 15431e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MallocFreeUnwindAndSymbolizeTest) { 15441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc_aaa(sizeof(int)); 15451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *a = 1; 15461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(a); 15471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*a = 1, "free_ccc.*free_bbb.*free_aaa.*" 15481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "malloc_fff.*malloc_eee.*malloc_ddd"); 15491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestAlloc(void *a) { 15521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 15531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *p = new int; 15541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 15551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestFree(void *a) { 15581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 15591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete *p; 15601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 15611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestUse(void *a) { 15641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 15651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany **p = 1; 15661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 15671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid ThreadedTestSpawn() { 15701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 15711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x; 15721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestAlloc, &x); 15731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 15741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestFree, &x); 15751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 15761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestUse, &x); 15771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 15781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15801e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedTest) { 15811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(ThreadedTestSpawn(), 15821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_PCRE_DOTALL 15831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "Thread T.*created" 15841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created" 15851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created"); 15861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 15891e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ShadowGapTest) { 15901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if __WORDSIZE == 32 15911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x22000000; 15921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 15931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x0000100000080000; 15941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 15951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*addr = 1, "AddressSanitizer crashed on unknown"); 15961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_NEEDS_SEGV 15981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyextern "C" { 1600938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void UseThenFreeThenUse() { 16011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = Ident((char*)malloc(8)); 16021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 1; 16031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(x); 16041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 2; 16051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16081e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UseThenFreeThenUseTest) { 16091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(UseThenFreeThenUse(), "freed by thread"); 16101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16121e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrDupTest) { 16131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(strdup(Ident("123"))); 16141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Currently we create and poison redzone at right of global variables. 16171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanychar glob5[5]; 16181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic char static110[110]; 16191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyconst char ConstGlob[7] = {1, 2, 3, 4, 5, 6, 7}; 16201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const char StaticConstGlob[3] = {9, 8, 7}; 16211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyextern int GlobalsTest(int x); 16221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16231e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalTest) { 16241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char func_static15[15]; 16251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs1[10]; 16271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs2[10]; 16281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs3[10]; 16291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(0)] = 0; 16311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(1)] = 0; 16321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(2)] = 0; 16331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(3)] = 0; 16341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(4)] = 0; 16351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5)] = 0, 16371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable.*glob5.* size 5"); 16381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5+6)] = 0, 16391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "6 bytes to the right of global variable.*glob5.* size 5"); 16401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(static110); // avoid optimizations 16411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(0)] = 0; 16421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(109)] = 0; 16431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110)] = 0, 16441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 16451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110+7)] = 0, 16461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "7 bytes to the right of global variable"); 16471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(func_static15); // avoid optimizations 16491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany func_static15[Ident(0)] = 0; 16501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15)] = 0, 16511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 16521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15 + 9)] = 0, 16531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "9 bytes to the right of global variable"); 16541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs1); 16561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs2); 16571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs3); 16581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We don't create left redzones, so this is not 100% guaranteed to fail. 16601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // But most likely will. 16611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(fs2[Ident(-1)] = 0, "is located.*of global variable"); 16621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(ConstGlob)[8]), 16641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 1 bytes to the right of .*ConstGlob"); 16651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(StaticConstGlob)[5]), 16661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 2 bytes to the right of .*StaticConstGlob"); 16671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // call stuff from another file. 16691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany GlobalsTest(0); 16701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16721e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalStringConstTest) { 16731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static const char *zoo = "FOOBAR123"; 16741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *p = Ident(zoo); 16751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(p[15]), "is ascii string 'FOOBAR123'"); 16761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1678c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya SerebryanyTEST(AddressSanitizer, FileNameInGlobalReportTest) { 1679c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany static char zoo[10]; 1680c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany const char *p = Ident(zoo); 1681c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany // The file name should be present in the report. 1682c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany EXPECT_DEATH(Ident(p[15]), "zoo.*asan_test.cc"); 1683c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany} 1684c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany 16851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyint *ReturnsPointerToALocalObject() { 16861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a = 0; 16871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return Ident(&a); 16881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1690918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#if ASAN_UAR == 1 16911e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LocalReferenceReturnTest) { 16921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *(*f)() = Ident(ReturnsPointerToALocalObject); 1693918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany int *p = f(); 1694918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany // Call 'f' a few more times, 'p' should still be poisoned. 1695918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany for (int i = 0; i < 32; i++) 1696918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany f(); 1697918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany EXPECT_DEATH(*p = 1, "AddressSanitizer stack-use-after-return"); 1698918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany EXPECT_DEATH(*p = 1, "is located.*in frame .*ReturnsPointerToALocal"); 16991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1700918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#endif 17011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate <int kSize> 1703938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void FuncWithStack() { 17041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char x[kSize]; 17051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[0] = 0; 17061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[kSize-1] = 0; 17071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void LotsOfStackReuse() { 17101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int LargeStack[10000]; 17111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 17121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 17131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 1>(); 17141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 2>(); 17151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 4>(); 17161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 8>(); 17171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 16>(); 17181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 32>(); 17191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 64>(); 17201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 128>(); 17211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 256>(); 17221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 512>(); 17231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 17241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17271e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StressStackReuseTest) { 17281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LotsOfStackReuse(); 17291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17311e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedStressStackReuseTest) { 17321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumThreads = 20; 17331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 17341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 17351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t[i], 0, (void* (*)(void *x))LotsOfStackReuse, 0); 17361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 17381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 17391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1742f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryanystatic void *PthreadExit(void *a) { 1743f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_exit(0); 17447b7b55e99166511ce1e66bf6b79c46ae4aa60d17Evgeniy Stepanov return 0; 1745f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1746f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 1747f58f998066db0231e521169d2f50af439ceecb49Kostya SerebryanyTEST(AddressSanitizer, PthreadExitTest) { 1748f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_t t; 1749f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany for (int i = 0; i < 1000; i++) { 1750f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_create(&t, 0, PthreadExit, 0); 1751f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_join(t, 0); 1752f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany } 1753f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1754f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 17551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __EXCEPTIONS 1756938106753364d96cedc11cbdc35a15030fb44d0cTimur IskhodzhanovNOINLINE static void StackReuseAndException() { 17571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int large_stack[1000]; 17581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(large_stack); 17591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 17601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(kcc): support exceptions with use-after-return. 17631e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_StressStackReuseAndExceptionsTest) { 17641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 17651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 17661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StackReuseAndException(); 17671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) { 17681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 17721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17731e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MlockTest) { 17741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlockall(MCL_CURRENT)); 17751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlock((void*)0x12345, 0x5678)); 17761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlockall()); 17771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlock((void*)0x987, 0x654)); 17781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1780c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryanystruct LargeStruct { 1781c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany int foo[100]; 1782c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany}; 1783c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1784c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Test for bug http://llvm.org/bugs/show_bug.cgi?id=11763. 1785c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Struct copy should not cause asan warning even if lhs == rhs. 1786c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya SerebryanyTEST(AddressSanitizer, LargeStructCopyTest) { 1787c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany LargeStruct a; 1788c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany *Ident(&a) = *Ident(&a); 1789c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany} 1790c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1791d271c926e0fa1b8fa9e4ca13f49f7d3ee07a27bcKostya Serebryany__attribute__((no_address_safety_analysis)) 17923be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryanystatic void NoAddressSafety() { 17933be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany char *foo = new char[10]; 17943be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany Ident(foo)[10] = 0; 17953be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany delete [] foo; 17963be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 17973be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 17983be19f4fa3519e358fd41a5feda82c39a22ef107Kostya SerebryanyTEST(AddressSanitizer, AttributeNoAddressSafetyTest) { 17993be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany Ident(NoAddressSafety)(); 18003be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 18013be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 18021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// ------------------ demo tests; run each one-by-one ------------- 18031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// e.g. --gtest_filter=*DemoOOBLeftHigh --gtest_also_run_disabled_tests 18041e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadedTest) { 18051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThreadedTestSpawn(); 18061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *SimpleBugOnSTack(void *x = 0) { 18091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[20]; 18101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[20] = 0; 18111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 18121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18141e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoStackTest) { 18151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SimpleBugOnSTack(); 18161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18181e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadStackTest) { 18191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 18201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, SimpleBugOnSTack, 0); 18211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 18221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18241e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowIn) { 18251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 0); 18261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18271e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowLeft) { 18281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, -2); 18291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18301e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowRight) { 18311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 10); 18321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18341e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFHigh) { 18351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(kLargeMalloc, 0); 18361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18381e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBLeftLow) { 18391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(10, -1); 18401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18421e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBLeftHigh) { 18431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(kLargeMalloc, -1); 18441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18461e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBRightLow) { 18471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(10, 10); 18481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18501e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBRightHigh) { 18511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(kLargeMalloc, kLargeMalloc); 18521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18541e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOM) { 18551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = __WORDSIZE == 64 ? (size_t)(1ULL << 40) : (0xf0000000); 18561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany printf("%p\n", malloc(size)); 18571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18591e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoDoubleFreeTest) { 18601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany DoubleFree(); 18611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18631e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoNullDerefTest) { 18641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = 0; 18651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[10] = 0; 18661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18681e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoFunctionStaticTest) { 18691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char a[100]; 18701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char b[100]; 18711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char c[100]; 18721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a); 18731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b); 18741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(c); 18751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 18761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b)[105] = 0; 18771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 18781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18801e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoTooMuchMemoryTest) { 18811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const size_t kAllocSize = (1 << 28) - 1024; 18821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t total_size = 0; 18831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany while (true) { 18841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = (char*)malloc(kAllocSize); 18851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(x, 0, kAllocSize); 18861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany total_size += kAllocSize; 18871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "total: %ldM\n", (long)total_size >> 20); 18881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 18891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18914eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany// http://code.google.com/p/address-sanitizer/issues/detail?id=66 18920796393f2088e3b75c4110934451160eeb037fabKostya SerebryanyTEST(AddressSanitizer, BufferOverflowAfterManyFrees) { 18934eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany for (int i = 0; i < 1000000; i++) { 18944eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany delete [] (Ident(new char [8644])); 18954eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany } 18964eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany char *x = new char[8192]; 18970796393f2088e3b75c4110934451160eeb037fabKostya Serebryany EXPECT_DEATH(x[Ident(8192)] = 0, "AddressSanitizer heap-buffer-overflow"); 18984eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany delete [] Ident(x); 18994eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany} 19004eaa17848ed02cae465f10aa5fe095e42dbf0d61Kostya Serebryany 19011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __APPLE__ 19021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include "asan_mac_test.h" 1903effd6bf516b7109460647253aa1a62046ca9bb7aAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocatorDefaultDoubleFree) { 19041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH( 190543d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko CFAllocatorDefaultDoubleFree(NULL), 19061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "attempting double-free"); 19071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 190943d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenkovoid CFAllocator_DoubleFreeOnPthread() { 191043d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko pthread_t child; 191143d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko pthread_create(&child, NULL, CFAllocatorDefaultDoubleFree, NULL); 191243d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko pthread_join(child, NULL); // Shouldn't be reached. 191343d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko} 191443d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko 191543d03f3775677ca8e4727d49d1256de014351b95Alexander PotapenkoTEST(AddressSanitizerMac, DISABLED_CFAllocatorDefaultDoubleFree_ChildPhread) { 191643d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko EXPECT_DEATH(CFAllocator_DoubleFreeOnPthread(), "attempting double-free"); 191743d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko} 191843d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko 1919effd6bf516b7109460647253aa1a62046ca9bb7aAlexander Potapenko// TODO(glider): figure out whether we still need these tests. Is it correct 1920effd6bf516b7109460647253aa1a62046ca9bb7aAlexander Potapenko// to intercept the non-default CFAllocators? 19211e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorSystemDefaultDoubleFree) { 19221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH( 19231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CFAllocatorSystemDefaultDoubleFree(), 19241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "attempting double-free"); 19251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 192743d03f3775677ca8e4727d49d1256de014351b95Alexander Potapenko// We're intercepting malloc, so kCFAllocatorMalloc is routed to ASan. 1928effd6bf516b7109460647253aa1a62046ca9bb7aAlexander PotapenkoTEST(AddressSanitizerMac, CFAllocatorMallocDoubleFree) { 19291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(CFAllocatorMallocDoubleFree(), "attempting double-free"); 19301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19321e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorMallocZoneDoubleFree) { 19331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(CFAllocatorMallocZoneDoubleFree(), "attempting double-free"); 19341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 193696bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchAsync) { 19371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 19381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 19391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchAsync(), "Shadow byte and word"); 19401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 194296bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchSync) { 19431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 19441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 19451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchSync(), "Shadow byte and word"); 19461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 194996bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDReuseWqthreadsAsync) { 19501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 19511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 19521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDReuseWqthreadsAsync(), "Shadow byte and word"); 19531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 195596bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDReuseWqthreadsSync) { 19561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 19571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 19581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDReuseWqthreadsSync(), "Shadow byte and word"); 19591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 196196bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchAfter) { 19621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 19631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 19641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchAfter(), "Shadow byte and word"); 19651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 196796bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDSourceEvent) { 19681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 19691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 19701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDSourceEvent(), "Shadow byte and word"); 19711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 197396bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDSourceCancel) { 19741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 19751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 19761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDSourceCancel(), "Shadow byte and word"); 19771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 197996bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDGroupAsync) { 19801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 19811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 19821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDGroupAsync(), "Shadow byte and word"); 19831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *MallocIntrospectionLockWorker(void *_) { 19861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumPointers = 100; 19871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int i; 19881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *pointers[kNumPointers]; 19891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumPointers; i++) { 19901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pointers[i] = malloc(i + 1); 19911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 19921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumPointers; i++) { 19931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(pointers[i]); 19941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 19951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 19971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *MallocIntrospectionLockForker(void *_) { 20001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pid_t result = fork(); 20011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (result == -1) { 20021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany perror("fork"); 20031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(result != -1); 20051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (result == 0) { 20061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Call malloc in the child process to make sure we won't deadlock. 20071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *ptr = malloc(42); 20081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(ptr); 20091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany exit(0); 20101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 20111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Return in the parent process. 20121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 20131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20161e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, MallocIntrospectionLock) { 20171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Incorrect implementation of force_lock and force_unlock in our malloc zone 20181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // will cause forked processes to deadlock. 20191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(glider): need to detect that none of the child processes deadlocked. 20201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumWorkers = 5, kNumIterations = 100; 20211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int i, iter; 20221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (iter = 0; iter < kNumIterations; iter++) { 20231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t workers[kNumWorkers], forker; 20241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumWorkers; i++) { 20251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&workers[i], 0, MallocIntrospectionLockWorker, 0); 20261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&forker, 0, MallocIntrospectionLockForker, 0); 20281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumWorkers; i++) { 20291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(workers[i], 0); 20301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(forker, 0); 20321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *TSDAllocWorker(void *test_key) { 20361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (test_key) { 20371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *mem = malloc(10); 20381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_setspecific(*(pthread_key_t*)test_key, mem); 20391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 20401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 20411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 20421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20431e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_TSDWorkqueueTest) { 20441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 20451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_t test_key; 20461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_create(&test_key, CallFreeOnWorkqueue); 20471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDAllocWorker, &test_key); 20481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 20491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_delete(test_key); 20501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2051fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko 2052fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko// Test that CFStringCreateCopy does not copy constant strings. 2053431e51782d62d1257348e41e24da6b544fe70507Alexander PotapenkoTEST(AddressSanitizerMac, CFStringCreateCopy) { 2054fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko CFStringRef str = CFSTR("Hello world!\n"); 2055fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko CFStringRef str2 = CFStringCreateCopy(0, str); 2056fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko EXPECT_EQ(str, str2); 2057fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko} 2058fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko 20598c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander PotapenkoTEST(AddressSanitizerMac, NSObjectOOB) { 20608c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander Potapenko // Make sure that our allocators are used for NSObjects. 20618c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander Potapenko EXPECT_DEATH(TestOOBNSObjects(), "heap-buffer-overflow"); 20628c9ccc655405dd8a41264fe7eb5f902700077d1aAlexander Potapenko} 2063df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko 2064df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko// Make sure that correct pointer is passed to free() when deallocating a 2065df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko// NSURL object. 2066df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko// See http://code.google.com/p/address-sanitizer/issues/detail?id=70. 2067e205a9daec9ec4afed956cf5455889725b9192fbAlexander PotapenkoTEST(AddressSanitizerMac, NSURLDeallocation) { 2068df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko TestNSURLDeallocation(); 2069df42b619de6f7cbf23a68d91a924cfb44b9fd201Alexander Potapenko} 20701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 20711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 20725b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// Test that instrumentation of stack allocations takes into account 20735b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// AllocSize of a type, and not its StoreSize (16 vs 10 bytes for long double). 20745b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov// See http://llvm.org/bugs/show_bug.cgi?id=12047 for more details. 20755b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy StepanovTEST(AddressSanitizer, LongDoubleNegativeTest) { 20765b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov long double a, b; 20779b90e95d4dc59c6d97ed73b2470f5e21e7b346d5Kostya Serebryany static long double c; 20785b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov memcpy(Ident(&a), Ident(&b), sizeof(long double)); 20799b90e95d4dc59c6d97ed73b2470f5e21e7b346d5Kostya Serebryany memcpy(Ident(&c), Ident(&b), sizeof(long double)); 20805b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov}; 20815b6eab9dc5572a66e3af54ab087255ffa4dd5185Evgeniy Stepanov 20821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyint main(int argc, char **argv) { 20831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany progname = argv[0]; 20841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany testing::GTEST_FLAG(death_test_style) = "threadsafe"; 20851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany testing::InitGoogleTest(&argc, argv); 20861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return RUN_ALL_TESTS(); 20871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2088