asan_test.cc revision 27f4932a8a0845303b33d69ddce096c445002e60
11e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany//===-- asan_test.cc ------------*- C++ -*-===// 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 231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if defined(__i386__) or 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 691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<class T> 701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid asan_write(T *a) { 721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *a = 0; 731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid asan_write_sized_aligned(uint8_t *p, size_t size) { 771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, ((uintptr_t)p % size)); 781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (size == 1) asan_write((uint8_t*)p); 791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 2) asan_write((uint16_t*)p); 801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 4) asan_write((uint32_t*)p); 811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany else if (size == 8) asan_write((uint64_t*)p); 821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *malloc_fff(size_t size) { 851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc/**/(size); break_optimization(0); return res;} 861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *malloc_eee(size_t size) { 871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_fff(size); break_optimization(0); return res;} 881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *malloc_ddd(size_t size) { 891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_eee(size); break_optimization(0); return res;} 901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *malloc_ccc(size_t size) { 911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ddd(size); break_optimization(0); return res;} 921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *malloc_bbb(size_t size) { 931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_ccc(size); break_optimization(0); return res;} 941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *malloc_aaa(size_t size) { 951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = malloc_bbb(size); break_optimization(0); return res;} 961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *memalign_fff(size_t alignment, size_t size) { 991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign/**/(alignment, size); break_optimization(0); return res;} 1001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *memalign_eee(size_t alignment, size_t size) { 1011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_fff(alignment, size); break_optimization(0); return res;} 1021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *memalign_ddd(size_t alignment, size_t size) { 1031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_eee(alignment, size); break_optimization(0); return res;} 1041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *memalign_ccc(size_t alignment, size_t size) { 1051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_ddd(alignment, size); break_optimization(0); return res;} 1061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *memalign_bbb(size_t alignment, size_t size) { 1071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_ccc(alignment, size); break_optimization(0); return res;} 1081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) void *memalign_aaa(size_t alignment, size_t size) { 1091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *res = memalign_bbb(alignment, size); break_optimization(0); return res;} 1101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 1111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 1141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void free_ccc(void *p) { free(p); break_optimization(0);} 1151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 1161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void free_bbb(void *p) { free_ccc(p); break_optimization(0);} 1171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 1181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void free_aaa(void *p) { free_bbb(p); break_optimization(0);} 1191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<class T> 1211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 1221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid oob_test(int size, int off) { 1231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = (char*)malloc_aaa(size); 1241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "writing %d byte(s) into [%p,%p) with offset %d\n", 1251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // sizeof(T), p, p + size, off); 1261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write((T*)(p + off)); 1271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(p); 1281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<class T> 1321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 1331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid uaf_test(int size, int off) { 1341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = (char *)malloc_aaa(size); 1351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(p); 1361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 1; i < 100; i++) 1371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(malloc_aaa(i)); 1381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "writing %ld byte(s) at %p with offset %d\n", 1391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany (long)sizeof(T), p, off); 1401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write((T*)(p + off)); 1411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14313ebae606b526399771e9cca1d6a9d24458ad0f1Kostya SerebryanyTEST(AddressSanitizer, HasFeatureAddressSanitizerTest) { 14413ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#if defined(__has_feature) && __has_feature(address_sanitizer) 14513ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 1; 14613ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#else 14713ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany bool asan = 0; 14813ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany#endif 14913ebae606b526399771e9cca1d6a9d24458ad0f1Kostya Serebryany EXPECT_EQ(true, asan); 1501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1521e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleDeathTest) { 1531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(exit(1), ""); 1541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1561e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VariousMallocsTest) { 1571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "malloc:\n"); 1581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc(100 * sizeof(int)); 1591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[50] = 0; 1601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "realloc:\n"); 1631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *r = (int*)malloc(10); 1641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r = (int*)realloc(r, 2000 * sizeof(int)); 1651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany r[1000] = 0; 1661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(r); 1671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "operator new []\n"); 1691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *b = new int[100]; 1701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany b[50] = 0; 1711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete [] b; 1721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "operator new\n"); 1741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *c = new int; 1751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *c = 0; 1761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete c; 1771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1787274eafceb832e1088f30b71652992787ba8c456Evgeniy Stepanov#if !defined(__APPLE__) && !defined(ANDROID) 1791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // fprintf(stderr, "posix_memalign\n"); 1801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *pm; 1811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int pm_res = posix_memalign((void**)&pm, kPageSize, kPageSize); 1821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, pm_res); 1831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(pm); 1847274eafceb832e1088f30b71652992787ba8c456Evgeniy Stepanov#endif 1851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1864dd8ba8238b1b698953628affe6e5b2edf3b3e3fAlexey Samsonov#if !defined(__APPLE__) 1871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ma = (int*)memalign(kPageSize, kPageSize); 1881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, (uintptr_t)ma % kPageSize); 1891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ma[123] = 0; 1901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(ma); 1911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 1921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1941e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CallocTest) { 1951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)calloc(100, sizeof(int)); 1961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, a[10]); 1971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 1981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2001e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, VallocTest) { 2011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *a = valloc(100); 2021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, (uintptr_t)a % kPageSize); 2031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 2041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 2071e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, PvallocTest) { 2081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = (char*)pvalloc(kPageSize + 100); 2091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, (uintptr_t)a % kPageSize); 2101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[kPageSize + 101] = 1; // we should not report an error here. 2111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 2121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a = (char*)pvalloc(0); // pvalloc(0) should allocate at least one page. 2141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, (uintptr_t)a % kPageSize); 2151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany a[101] = 1; // we should not report an error here. 2161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 2171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 2191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid NoOpSignalHandler(int unused) { 2211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "NoOpSignalHandler (should not happen). Aborting\n"); 2221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany abort(); 2231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid NoOpSigaction(int, siginfo_t *siginfo, void *context) { 2261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "NoOpSigaction (should not happen). Aborting\n"); 2271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany abort(); 2281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2301e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SignalTest) { 2311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany signal(SIGSEGV, NoOpSignalHandler); 2321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany signal(SIGILL, NoOpSignalHandler); 2331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // If asan did not intercept sigaction NoOpSigaction will fire. 2341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = Ident((char*)malloc(5)); 2351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x[6]++, "is located 1 bytes to the right"); 2361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(Ident(x)); 2371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2391e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SigactionTest) { 2401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany { 2411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany struct sigaction sigact; 2421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(&sigact, 0, sizeof(sigact)); 2431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sigact.sa_sigaction = NoOpSigaction;; 2441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sigact.sa_flags = SA_SIGINFO; 2451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sigaction(SIGSEGV, &sigact, 0); 2461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany { 2491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany struct sigaction sigact; 2501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(&sigact, 0, sizeof(sigact)); 2511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sigact.sa_sigaction = NoOpSigaction;; 2521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sigact.sa_flags = SA_SIGINFO; 2531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sigaction(SIGILL, &sigact, 0); 2541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // If asan did not intercept sigaction NoOpSigaction will fire. 2571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = Ident((char*)malloc(5)); 2581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x[6]++, "is located 1 bytes to the right"); 2591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(Ident(x)); 2601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *TSDWorker(void *test_key) { 2631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (test_key) { 2641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_setspecific(*(pthread_key_t*)test_key, (void*)0xfeedface); 2651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 2661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 2671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid TSDDestructor(void *tsd) { 2701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Spawning a thread will check that the current thread id is not -1. 2711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 2721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDWorker, NULL); 2731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 2741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This tests triggers the thread-specific data destruction fiasco which occurs 2771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// if we don't manage the TSD destructors ourselves. We create a new pthread 2781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// key with a non-NULL destructor which is likely to be put after the destructor 2791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// of AsanThread in the list of destructors. 2801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// In this case the TSD for AsanThread will be destroyed before TSDDestructor 2811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// is called for the child thread, and a CHECK will fail when we call 2821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// pthread_create() to spawn the grandchild. 2831e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_TSDTest) { 2841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 2851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_t test_key; 2861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_create(&test_key, TSDDestructor); 2871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDWorker, &test_key); 2881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 2891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_delete(test_key); 2901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 2911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 2921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<class T> 2931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid OOBTest() { 2941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 2951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int size = sizeof(T); size < 20; size += 5) { 2961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = -5; i < 0; i++) { 2971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 2981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*%d byte.*to the left"; 2991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, abs(i)); 3001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(size, i), expected_str); 3011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < size - sizeof(T) + 1; i++) 3041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<T>(size, i); 3051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = size - sizeof(T) + 1; i <= size + 3 * sizeof(T); i++) { 3071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 3081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*%d byte.*to the right"; 3091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int off = i >= size ? (i - size) : 0; 3101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // we don't catch unaligned partially OOB accesses. 3111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (i % sizeof(T)) continue; 3121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, off); 3131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(size, i), expected_str); 3141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(kLargeMalloc, -1), 3181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*1 byte.*to the left"); 3191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(oob_test<T>(kLargeMalloc, kLargeMalloc), 3201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.*0 byte.*to the right"); 3211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(glider): the following tests are EXTREMELY slow on Darwin: 3241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOB_char (125503 ms) 3251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOB_int (126890 ms) 3261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.OOBRightTest (315605 ms) 3271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// AddressSanitizer.SimpleStackTest (366559 ms) 3281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOB_char) { 3301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany OOBTest<U1>(); 3311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3331e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOB_int) { 3341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany OOBTest<U4>(); 3351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3371e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OOBRightTest) { 3381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t access_size = 1; access_size <= 8; access_size *= 2) { 3391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t alloc_size = 1; alloc_size <= 8; alloc_size++) { 3401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t offset = 0; offset <= 8; offset += access_size) { 3411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *p = malloc(alloc_size); 3421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // allocated: [p, p + alloc_size) 3431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // accessed: [p + offset, p + offset + access_size) 3441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uint8_t *addr = (uint8_t*)p + offset; 3451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (offset + access_size <= alloc_size) { 3461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany asan_write_sized_aligned(addr, access_size); 3471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 3481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int outside_bytes = offset > alloc_size ? (offset - alloc_size) : 0; 3491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *str = 3501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located.%d *byte.*to the right"; 3511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 3521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, str, outside_bytes); 3531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(asan_write_sized_aligned(addr, access_size), 3541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany expected_str); 3551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(p); 3571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 3601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3621e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UAF_char) { 3631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *uaf_string = "AddressSanitizer.*heap-use-after-free"; 3641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(1, 0), uaf_string); 3651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 0), uaf_string); 3661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(10, 10), uaf_string); 3671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, 0), uaf_string); 3681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(uaf_test<U1>(kLargeMalloc, kLargeMalloc / 2), uaf_string); 3691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_HAS_BLACKLIST 3721e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, IgnoreTest) { 3731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = Ident(new int); 3741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 0; 3761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 3771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_HAS_BLACKLIST 3781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitField { 3801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf1:1; 3811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf2:1; 3821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf3:1; 3831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int bf4:29; 3841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3861e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldPositiveTest) { 3871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitField *x = new StructWithBitField; 3881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 3891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf1 = 0, "use-after-free"); 3901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf2 = 0, "use-after-free"); 3911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf3 = 0, "use-after-free"); 3921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(x->bf4 = 0, "use-after-free"); 3931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 3951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystruct StructWithBitFields_8_24 { 3961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a:8; 3971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b:24; 3981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 3991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4001e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, BitFieldNegativeTest) { 4011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StructWithBitFields_8_24 *x = Ident(new StructWithBitFields_8_24); 4021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->a = 0; 4031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x->b = 0; 4041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete Ident(x); 4051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4071e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, OutOfMemoryTest) { 4081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = __WORDSIZE == 64 ? (size_t)(1ULL << 48) : (0xf0000000); 4091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, realloc(0, size)); 4101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, realloc(0, ~Ident(0))); 4111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, malloc(size)); 4121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, malloc(~Ident(0))); 4131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, calloc(1, size)); 4141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, calloc(1, ~Ident(0))); 4151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 4181e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WildAddressTest) { 4191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *c = (char*)0x123; 4201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*c = 0, "AddressSanitizer crashed on unknown address"); 4211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 4231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void MallocStress(size_t n) { 4251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uint32_t seed = my_rand(&global_seed); 4261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t iter = 0; iter < 10; iter++) { 4271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vector<void *> vec; 4281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < n; i++) { 4291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if ((i % 3) == 0) { 4301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (vec.empty()) continue; 4311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t idx = my_rand(&seed) % vec.size(); 4321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *ptr = vec[idx]; 4331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec[idx] = vec.back(); 4341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec.pop_back(); 4351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(ptr); 4361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 4371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = my_rand(&seed) % 1000 + 1; 4381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 4391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t alignment = 1 << (my_rand(&seed) % 7 + 3); 4401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *ptr = (char*)memalign_aaa(alignment, size); 4411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 4421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *ptr = (char*) malloc_aaa(size); 4431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 4441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany vec.push_back(ptr); 4451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[0] = 0; 4461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[size-1] = 0; 4471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[size/2] = 0; 4481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < vec.size(); i++) 4511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(vec[i]); 4521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4551e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MallocStressTest) { 4561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MallocStress(200000); 4571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void TestLargeMalloc(size_t size) { 4601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char buff[1024]; 4611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(buff, "is located 1 bytes to the left of %lu-byte", (long)size); 4621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident((char*)malloc(size))[-1] = 0, buff); 4631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4651e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LargeMallocTest) { 4661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 113; i < (1 << 28); i = i * 2 + 13) { 4671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TestLargeMalloc(i); 4681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4711e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, HugeMallocTest) { 4721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __APPLE__ 4731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // It was empirically found out that 1215 megabytes is the maximum amount of 4741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // memory available to the process under AddressSanitizer on Darwin. 4751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // (the libSystem malloc() allows allocating up to 2300 megabytes without 4761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // ASan). 4771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t n_megs = __WORDSIZE == 32 ? 1200 : 4100; 4781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 4791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t n_megs = __WORDSIZE == 32 ? 2600 : 4100; 4801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 4811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TestLargeMalloc(n_megs << 20); 4821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4841e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedMallocStressTest) { 4851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumThreads = 4; 4861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 4871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 4881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t[i], 0, (void* (*)(void *x))MallocStress, (void*)100000); 4891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 4911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 4921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 4931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 4941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 4951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ManyThreadsWorker(void *a) { 4961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int iter = 0; iter < 100; iter++) { 4971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t size = 100; size < 2000; size *= 2) { 4981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(Ident(malloc(size))); 4991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 5001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 5011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 5021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5041e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyThreadsTest) { 505918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany const size_t kNumThreads = __WORDSIZE == 32 ? 30 : 1000; 5061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 5071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 5081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t[i], 0, (void* (*)(void *x))ManyThreadsWorker, (void*)i); 5091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 5101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kNumThreads; i++) { 5111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 5121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 5131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5151e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ReallocTest) { 5161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kMinElem = 5; 5171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *ptr = (int*)malloc(sizeof(int) * kMinElem); 5181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr[3] = 3; 5191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 5201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ptr = (int*)realloc(ptr, 5211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany (my_rand(&global_seed) % 1000 + kMinElem) * sizeof(int)); 5221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(3, ptr[3]); 5231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 5241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5264fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov#ifndef __APPLE__ 5274fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonovstatic const char *kMallocUsableSizeErrorMsg = 5284fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov "AddressSanitizer attempting to call malloc_usable_size()"; 5294fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 5304fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey SamsonovTEST(AddressSanitizer, MallocUsableSizeTest) { 5314fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov const size_t kArraySize = 100; 5324fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov char *array = Ident((char*)malloc(kArraySize)); 5334fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov int *int_ptr = Ident(new int); 5346677def188c17ac63866146d72c4b1b652649fc6Alexey Samsonov EXPECT_EQ(0, malloc_usable_size(NULL)); 5354fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(kArraySize, malloc_usable_size(array)); 5364fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_EQ(sizeof(int), malloc_usable_size(int_ptr)); 5374fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size((void*)0x123), kMallocUsableSizeErrorMsg); 5384fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array + kArraySize / 2), 5394fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov kMallocUsableSizeErrorMsg); 5404fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov free(array); 5414fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov EXPECT_DEATH(malloc_usable_size(array), kMallocUsableSizeErrorMsg); 5424fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov} 5434fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov#endif 5444fd95f141f78906570c15a8a3b4cf0a7b50a201dAlexey Samsonov 5451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid WrongFree() { 5461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 5471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Use the allocated memory, otherwise Clang will optimize it out. 5481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x); 5491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x + 1); 5501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5521e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, WrongFreeTest) { 553c16201337a4bb974093ff75aa45682739a331d05Kostya Serebryany EXPECT_DEATH(WrongFree(), 554c16201337a4bb974093ff75aa45682739a331d05Kostya Serebryany "ERROR: AddressSanitizer attempting free.*not malloc"); 5551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid DoubleFree() { 5581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = (int*)malloc(100 * sizeof(int)); 5591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "DoubleFree: x=%p\n", x); 5601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 5611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(x); 5621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "should have failed in the second free(%p)\n", x); 5631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany abort(); 5641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5661e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DoubleFreeTest) { 56727f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany EXPECT_DEATH(DoubleFree(), ASAN_PCRE_DOTALL 56827f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany "ERROR: AddressSanitizer attempting double-free" 56927f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*is located 0 bytes inside of 400-byte region" 57027f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*freed by thread T0 here" 57127f4932a8a0845303b33d69ddce096c445002e60Kostya Serebryany ".*previously allocated by thread T0 here"); 5721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<int kSize> 5751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 5761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid SizedStackTest() { 5771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[kSize]; 5781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *A = Ident((char*)&a); 5791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (size_t i = 0; i < kSize; i++) 5801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany A[i] = i; 5811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-1] = 0, ""); 5821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-20] = 0, ""); 5831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[-31] = 0, ""); 5841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize] = 0, ""); 5851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 1] = 0, ""); 5861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 10] = 0, ""); 5871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(A[kSize + 31] = 0, ""); 5881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 5891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 5901e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SimpleStackTest) { 5911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<1>(); 5921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<2>(); 5931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<3>(); 5941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<4>(); 5951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<5>(); 5961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<6>(); 5971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<7>(); 5981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<16>(); 5991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<25>(); 6001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<34>(); 6011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<43>(); 6021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<51>(); 6031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<62>(); 6041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<64>(); 6051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SizedStackTest<128>(); 6061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6081e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ManyStackObjectsTest) { 6091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char XXX[10]; 6101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char YYY[20]; 6111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char ZZZ[30]; 6121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(XXX); 6131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(YYY); 6141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(ZZZ)[-1] = 0, ASAN_PCRE_DOTALL "XXX.*YYY.*ZZZ"); 6151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 6181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void Frame0(int frame, char *a, char *b, char *c) { 6191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char d[4] = {0}; 6201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *D = Ident(d); 6211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany switch (frame) { 6221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 3: a[5]++; break; 6231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 2: b[5]++; break; 6241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 1: c[5]++; break; 6251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany case 0: D[5]++; break; 6261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 6271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) static void Frame1(int frame, char *a, char *b) { 6291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char c[4] = {0}; Frame0(frame, a, b, c); 6301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 6311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) static void Frame2(int frame, char *a) { 6331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char b[4] = {0}; Frame1(frame, a, b); 6341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 6351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) static void Frame3(int frame) { 6371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[4] = {0}; Frame2(frame, a); 6381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany break_optimization(0); 6391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6411e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame0Test) { 6421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(0), "located .*in frame <.*Frame0"); 6431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6441e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame1Test) { 6451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(1), "located .*in frame <.*Frame1"); 6461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6471e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame2Test) { 6481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(2), "located .*in frame <.*Frame2"); 6491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6501e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GuiltyStackFrame3Test) { 6511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Frame3(3), "located .*in frame <.*Frame3"); 6521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 6551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid LongJmpFunc1(jmp_buf buf) { 6561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany longjmp(buf, 1); 6641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 6671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid UnderscopeLongJmpFunc1(jmp_buf buf) { 6681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany _longjmp(buf, 1); 6761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 6791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid SigLongJmpFunc1(sigjmp_buf buf) { 6801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 6811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 6821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 6831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 6851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 6861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 6871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany siglongjmp(buf, 1); 6881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 6921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid TouchStackFunc() { 6931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a[100]; // long array will intersect with redzones from LongJmpFunc1. 6941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(a); 6951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 100; i++) 6961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany A[i] = i*i; 6971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 6981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 6991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Test that we handle longjmp and do not report fals positives on stack. 7001e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LongJmpTest) { 7011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static jmp_buf buf; 7021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!setjmp(buf)) { 7031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LongJmpFunc1(buf); 7041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 7051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 7071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7091e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UnderscopeLongJmpTest) { 7101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static jmp_buf buf; 7111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!_setjmp(buf)) { 7121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany UnderscopeLongJmpFunc1(buf); 7131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 7141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 7161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7181e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, SigLongJmpTest) { 7191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static sigjmp_buf buf; 7201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!sigsetjmp(buf, 1)) { 7211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SigLongJmpFunc1(buf); 7221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 7231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 7251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __EXCEPTIONS 7281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 7291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid ThrowFunc() { 7301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 7311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 7321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 7331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 7351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 7361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 7371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 7381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7401e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, CxxExceptionTest) { 7411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (ASAN_UAR) return; 7421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(kcc): this test crashes on 32-bit for some reason... 7431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (__WORDSIZE == 32) return; 7441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 7451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThrowFunc(); 7461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) {} 7471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 7501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc1(void *unused) { 7521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // create three red zones for these two stack objects. 7531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a; 7541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int b; 7551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *A = Ident(&a); 7571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *B = Ident(&b); 7581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *A = *B; 7591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_exit(0); 7601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 7611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadStackReuseFunc2(void *unused) { 7641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany TouchStackFunc(); 7651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 7661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7681e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadStackReuseTest) { 7691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 7701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadStackReuseFunc1, 0); 7711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 7721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadStackReuseFunc2, 0); 7731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 7741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if defined(__i386__) or defined(__x86_64__) 7771e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, Store128Test) { 7781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *a = Ident((char*)malloc(Ident(12))); 7791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *p = a; 7801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (((uintptr_t)a % 16) != 0) 7811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany p = a + 8; 7821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(((uintptr_t)p % 16) == 0); 7831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany __m128i value_wide = _mm_set1_epi16(0x1234); 7841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 785acd5c617b219e0f059620c2a3928d2cc821d4534Kostya Serebryany "AddressSanitizer heap-buffer-overflow"); 786acd5c617b219e0f059620c2a3928d2cc821d4534Kostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "WRITE of size 16"); 7881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(_mm_store_si128((__m128i*)p, value_wide), 7891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "located 0 bytes to the right of 12-byte"); 7901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(a); 7911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 7921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 7931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 7941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic string RightOOBErrorMessage(int oob_distance) { 7951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance >= 0); 7961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 7971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, "located %d bytes to the right", oob_distance); 7981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 7991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic string LeftOOBErrorMessage(int oob_distance) { 8021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(oob_distance > 0); 8031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_str[100]; 8041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_str, "located %d bytes to the left", oob_distance); 8051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return string(expected_str); 8061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate<class T> 8091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid MemSetOOBTestTemplate(size_t length) { 8101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length == 0) return; 8111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(sizeof(T) * length); 8121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *array = Ident((T*)malloc(size)); 8131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int element = Ident(42); 8141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int zero = Ident(0); 8151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // memset interval inside array 8161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, size); 8171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, size - 1); 8181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length - 1, element, sizeof(T)); 8191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, 1); 8201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // memset 0 bytes 8221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array - 10, element, zero); 8231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array - 1, element, zero); 8241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array, element, zero); 8251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length, 0, zero); 8261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(array + length + 1, 0, zero); 8271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes to the right of array 8291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array, 0, size + 1), 8301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 8311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)(array + length) - 1, element, 6), 8321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(4)); 8331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array + 1, element, size + sizeof(T)), 8341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2 * sizeof(T) - 1)); 8351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // whole interval is to the right 8361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array + length + 1, 0, 10), 8371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(sizeof(T))); 8381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes to the left of array 8401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 1, element, size), 8411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 8421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 5, 0, 6), 8431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(5)); 8441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array - 5, element, size + 5 * sizeof(T)), 8451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(5 * sizeof(T))); 8461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // whole interval is to the left 8471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(array - 2, 0, sizeof(T)), 8481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 8491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to memset bytes both to the left & to the right 8511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset((char*)array - 2, element, size + 4), 8521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2)); 8531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(array); 8551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8571e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemSetOOBTest) { 8581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<char>(100); 8591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<int>(5); 8601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemSetOOBTestTemplate<double>(256); 8611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We can test arrays of structres/classes here, but what for? 8621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 8631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Same test for memcpy and memmove functions 8651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate <class T, class M> 8661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid MemTransferOOBTestTemplate(size_t length) { 8671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length == 0) return; 8681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(sizeof(T) * length); 8691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *src = Ident((T*)malloc(size)); 8701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *dest = Ident((T*)malloc(size)); 8711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int zero = Ident(0); 8721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // valid transfer of bytes between arrays 8741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, size); 8751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest + 1, src, size - sizeof(T)); 8761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src + length - 1, sizeof(T)); 8771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, 1); 8781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // transfer zero bytes 8801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest - 1, src, 0); 8811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest + length, src, zero); 8821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src - 1, zero); 8831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany M::transfer(dest, src, zero); 8841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to the right of dest 8861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest + 1, src, size), 8871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(sizeof(T) - 1)); 8881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer((char*)(dest + length) - 1, src, 5), 8891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(3)); 8901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to the left of dest 8921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest - 2, src, size), 8931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 8941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer((char*)dest - 3, src, 4), 8951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(3)); 8961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 8971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to the right of src 8981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, src + 2, size), 8991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2 * sizeof(T) - 1)); 9001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, (char*)(src + length) - 3, 6), 9011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(2)); 9021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to the left of src 9041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, src - 1, size), 9051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(sizeof(T))); 9061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest, (char*)src - 6, 7), 9071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(6)); 9081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Generally we don't need to test cases where both accessing src and writing 9101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // to dest address to poisoned memory. 9111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *big_src = Ident((T*)malloc(size * 2)); 9131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany T *big_dest = Ident((T*)malloc(size * 2)); 9141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to change mem to both sides of dest 9151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(dest - 1, big_src, size * 2), 9161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(sizeof(T))); 9171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // try to access mem to both sides of src 9181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(M::transfer(big_dest, src - 2, size * 2), 9191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(2 * sizeof(T))); 9201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(src); 9221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(dest); 9231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(big_src); 9241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(big_dest); 9251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyclass MemCpyWrapper { 9281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany public: 9291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static void* transfer(void *to, const void *from, size_t size) { 9301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return memcpy(to, from, size); 9311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 9331e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemCpyOOBTest) { 9341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<char, MemCpyWrapper>(100); 9351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<int, MemCpyWrapper>(1024); 9361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyclass MemMoveWrapper { 9391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany public: 9401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static void* transfer(void *to, const void *from, size_t size) { 9411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return memmove(to, from, size); 9421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany}; 9441e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MemMoveOOBTest) { 9451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<char, MemMoveWrapper>(100); 9461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany MemTransferOOBTestTemplate<int, MemMoveWrapper>(1024); 9471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Tests for string functions 9501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Used for string functions tests 9521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic char global_string[] = "global"; 9531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic size_t global_string_length = 6; 9541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 9551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Input to a test is a zero-terminated string str with given length 9561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Accesses to the bytes to the left and to the right of str 9571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// are presumed to produce OOB errors 9581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid StrLenOOBTestTemplate(char *str, size_t length, bool is_global) { 9591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strlen calls 9601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(strlen(str), length); 9611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (length > 0) { 9621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(strlen(str + 1), length - 1); 9631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(strlen(str + length), 0); 9641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Arg of strlen is not malloced, OOB access 9661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (!is_global) { 9671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We don't insert RedZones to the left of global variables 9681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str - 1)), LeftOOBErrorMessage(1)); 9691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str - 5)), LeftOOBErrorMessage(5)); 9701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str + length + 1)), RightOOBErrorMessage(0)); 9721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite terminator 9731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[length] = 'a'; 9741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // String is not zero-terminated, strlen will lead to OOB access 9751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str)), RightOOBErrorMessage(0)); 9761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strlen(str + length)), RightOOBErrorMessage(0)); 9771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Restore terminator 9781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[length] = 0; 9791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9801e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrLenOOBTest) { 9811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check heap-allocated string 9821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t length = Ident(10); 9831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *heap_string = Ident((char*)malloc(length + 1)); 9841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char stack_string[10 + 1]; 9851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < length; i++) { 9861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany heap_string[i] = 'a'; 9871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany stack_string[i] = 'b'; 9881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 9891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany heap_string[length] = 0; 9901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany stack_string[length] = 0; 9911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StrLenOOBTestTemplate(heap_string, length, false); 9921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(samsonov): Fix expected messages in StrLenOOBTestTemplate to 9931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // make test for stack_string work. Or move it to output tests. 9941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // StrLenOOBTestTemplate(stack_string, length, false); 9951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StrLenOOBTestTemplate(global_string, global_string_length, true); 9961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(heap_string); 9971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 9981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 999af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanystatic inline char* MallocAndMemsetString(size_t size) { 1000af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *s = Ident((char*)malloc(size)); 1001af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany memset(s, 'z', size); 1002af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany return s; 1003af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1004af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 10051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifndef __APPLE__ 10061e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrNLenOOBTest) { 10071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(123); 1008af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 10091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strnlen calls. 10101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str - 1, 0)); 10111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str, size)); 10121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str + size - 1, 1)); 10131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = '\0'; 10141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(strnlen(str, 2 * size)); 10151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Argument points to not allocated memory. 10161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str - 1, 1)), LeftOOBErrorMessage(1)); 10171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str + size, 1)), RightOOBErrorMessage(0)); 10181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' and hit unallocated memory. 10191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = 'z'; 10201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strnlen(str, size + 1)), RightOOBErrorMessage(0)); 10211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 10221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 10241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10251e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrDupOOBTest) { 10261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(42); 1027af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 10281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *new_str; 10291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strdup calls. 10301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = '\0'; 10311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany new_str = strdup(str); 10321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(new_str); 10331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany new_str = strdup(str + size - 1); 10341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(new_str); 10351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Argument points to not allocated memory. 10361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str - 1)), LeftOOBErrorMessage(1)); 10371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str + size)), RightOOBErrorMessage(0)); 10381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' and hit unallocated memory. 10391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[size - 1] = 'z'; 10401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strdup(str)), RightOOBErrorMessage(0)); 10411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 10421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10441e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrCpyOOBTest) { 10451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t to_size = Ident(30); 10461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t from_size = Ident(6); // less than to_size 10471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *to = Ident((char*)malloc(to_size)); 10481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *from = Ident((char*)malloc(from_size)); 10491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Normal strcpy calls. 10501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(from, "hello"); 10511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(to, from); 10521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(to + to_size - from_size, from); 10531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "from" is too small. 10541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(from, "hello2")), RightOOBErrorMessage(0)); 10551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // "to" or "from" points to not allocated memory. 10561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to - 1, from)), LeftOOBErrorMessage(1)); 10571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from - 1)), LeftOOBErrorMessage(1)); 10581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from + from_size)), RightOOBErrorMessage(0)); 10591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to + to_size, from)), RightOOBErrorMessage(0)); 10601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminating '\0' character and hit unallocated memory. 10611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany from[from_size - 1] = '!'; 10621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strcpy(to, from)), RightOOBErrorMessage(0)); 10631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(to); 10641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(from); 10651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 10661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 10671e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrNCpyOOBTest) { 10681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t to_size = Ident(20); 10691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t from_size = Ident(6); // less than to_size 10701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *to = Ident((char*)malloc(to_size)); 10711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // From is a zero-terminated string "hello\0" of length 6 10721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *from = Ident((char*)malloc(from_size)); 10731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(from, "hello"); 10741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // copy 0 bytes 10751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, 0); 10761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to - 1, from - 1, 0); 10771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // normal strncpy calls 10781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, from_size); 10791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, to_size); 10801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from + from_size - 1, to_size); 10811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to + to_size - 1, from, 1); 10821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of {to, from} points to not allocated memory 10831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from - 1, from_size)), 10841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 10851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to - 1, from, from_size)), 10861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LeftOOBErrorMessage(1)); 10871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from + from_size, 1)), 10881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + to_size, from, 1)), 10901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "to" is too small 10921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + to_size - from_size + 1, from, from_size)), 10931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to + 1, from, to_size)), 10951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 10961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite terminator in from 10971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany from[from_size - 1] = '!'; 10981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // normal strncpy call 10991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(to, from, from_size); 11001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Length of "from" is too small 11011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(strncpy(to, from, to_size)), 11021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RightOOBErrorMessage(0)); 11031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(to); 11041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(from); 11051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef char*(*PointerToStrChr)(const char*, int); 11081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid RunStrChrTest(PointerToStrChr StrChr) { 11091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 1110af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany char *str = MallocAndMemsetString(size); 11111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[10] = 'q'; 11121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[11] = '\0'; 11131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(str, StrChr(str, 'z')); 11141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(str + 10, StrChr(str, 'q')); 11151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(NULL, StrChr(str, 'a')); 11161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // StrChr argument points to not allocated memory. 11171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str - 1, 'z')), LeftOOBErrorMessage(1)); 11181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str + size, 'z')), RightOOBErrorMessage(0)); 11191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Overwrite the terminator and hit not allocated memory. 11201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[11] = 'z'; 11211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(StrChr(str, 'a')), RightOOBErrorMessage(0)); 11221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 11231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11241e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrChrAndIndexOOBTest) { 11251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RunStrChrTest(&strchr); 11261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany RunStrChrTest(&index); 11271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 11281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrCmpAndFriendsLogicTest) { 11301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // strcmp 11311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strcmp("", "")); 11321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strcmp("abcd", "abcd")); 1133af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcmp("ab", "ac")); 1134af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcmp("abc", "abcd")); 1135af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcmp("acc", "abc")); 1136af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcmp("abcd", "abc")); 11371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 11381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // strncmp 11391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("a", "b", 0)); 11401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("abcd", "abcd", 10)); 11411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, strncmp("abcd", "abcef", 3)); 1142af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("abcde", "abcfa", 4)); 1143af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("a", "b", 5)); 1144af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncmp("bc", "bcde", 4)); 1145af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("xyz", "xyy", 10)); 1146af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("baa", "aaa", 1)); 1147af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncmp("zyx", "", 2)); 1148af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1149af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // strcasecmp 1150af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("", "")); 1151af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("zzz", "zzz")); 1152af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strcasecmp("abCD", "ABcd")); 1153af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcasecmp("aB", "Ac")); 1154af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strcasecmp("ABC", "ABCd")); 1155af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcasecmp("acc", "abc")); 1156af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strcasecmp("ABCd", "abc")); 1157af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1158af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // strncasecmp 1159af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("a", "b", 0)); 1160af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("abCD", "ABcd", 10)); 1161af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_EQ(0, strncasecmp("abCd", "ABcef", 3)); 1162af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("abcde", "ABCfa", 4)); 1163af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("a", "B", 5)); 1164af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_GT(0, strncasecmp("bc", "BCde", 4)); 1165af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("xyz", "xyy", 10)); 1166af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("Baa", "aaa", 1)); 1167af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_LT(0, strncasecmp("zyx", "", 2)); 116852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany 116952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // memcmp 117052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_EQ(0, memcmp("a", "b", 0)); 117152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_EQ(0, memcmp("ab\0c", "ab\0c", 4)); 117252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_GT(0, memcmp("\0ab", "\0ac", 3)); 117352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_GT(0, memcmp("abb\0", "abba", 4)); 117452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_LT(0, memcmp("ab\0cd", "ab\0c\0", 5)); 117552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_LT(0, memcmp("zza", "zyx", 3)); 1176af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1177af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1178af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanytypedef int(*PointerToStrCmp)(const char*, const char*); 1179af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanyvoid RunStrCmpTest(PointerToStrCmp StrCmp) { 11801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 11811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s1 = MallocAndMemsetString(size); 11821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s2 = MallocAndMemsetString(size); 11831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = '\0'; 11841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = '\0'; 1185af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // Normal StrCmp calls 1186af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2)); 1187af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2 + size - 1)); 1188af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1 + size - 1, s2 + size - 1)); 11891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = 'z'; 11901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'x'; 1191af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrCmp(s1, s2)); 11921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of arguments points to not allocated memory. 1193af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 - 1, s2), LeftOOBErrorMessage(1)); 1194af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s2 - 1), LeftOOBErrorMessage(1)); 1195af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 + size, s2), RightOOBErrorMessage(0)); 1196af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s2 + size), RightOOBErrorMessage(0)); 11971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Hit unallocated memory and die. 11981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'z'; 1199af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1, s1), RightOOBErrorMessage(0)); 1200af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrCmp)(s1 + size - 1, s2), RightOOBErrorMessage(0)); 12011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s1); 12021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s2); 12031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1205af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrCmpOOBTest) { 1206af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrCmpTest(&strcmp); 1207af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1208af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1209af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrCaseCmpOOBTest) { 1210af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrCmpTest(&strcasecmp); 1211af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1212af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1213af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanytypedef int(*PointerToStrNCmp)(const char*, const char*, size_t); 1214af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryanyvoid RunStrNCmpTest(PointerToStrNCmp StrNCmp) { 12151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 12161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s1 = MallocAndMemsetString(size); 12171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s2 = MallocAndMemsetString(size); 12181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = '\0'; 12191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = '\0'; 1220af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany // Normal StrNCmp calls 1221af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1, s2, size + 2)); 12221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s1[size - 1] = 'z'; 12231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'x'; 1224af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 + size - 2, s2 + size - 2, size)); 12251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany s2[size - 1] = 'z'; 1226af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 - 1, s2 - 1, 0)); 1227af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany Ident(StrNCmp(s1 + size - 1, s2 + size - 1, 1)); 12281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // One of arguments points to not allocated memory. 1229af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 - 1, s2, 1), LeftOOBErrorMessage(1)); 1230af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1, s2 - 1, 1), LeftOOBErrorMessage(1)); 1231af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + size, s2, 1), RightOOBErrorMessage(0)); 1232af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1, s2 + size, 1), RightOOBErrorMessage(0)); 12331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Hit unallocated memory and die. 1234af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + 1, s2 + 1, size), RightOOBErrorMessage(0)); 1235af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany EXPECT_DEATH(Ident(StrNCmp)(s1 + size - 1, s2, 2), RightOOBErrorMessage(0)); 12361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s1); 12371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s2); 12381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 12391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1240af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrNCmpOOBTest) { 1241af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrNCmpTest(&strncmp); 1242af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1243af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 1244af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya SerebryanyTEST(AddressSanitizer, StrNCaseCmpOOBTest) { 1245af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany RunStrNCmpTest(&strncasecmp); 1246af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany} 1247af0f01d77c2a495f023ffbf6cce85b33bbd2306dKostya Serebryany 124852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya SerebryanyTEST(AddressSanitizer, MemCmpOOBTest) { 124952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany size_t size = Ident(100); 125052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany char *s1 = MallocAndMemsetString(size); 125152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany char *s2 = MallocAndMemsetString(size); 125252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Normal memcmp calls. 125352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1, s2, size)); 125452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1 + size - 1, s2 + size - 1, 1)); 125552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany Ident(memcmp(s1 - 1, s2 - 1, 0)); 125652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // One of arguments points to not allocated memory. 125752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 - 1, s2, 1), LeftOOBErrorMessage(1)); 125852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2 - 1, 1), LeftOOBErrorMessage(1)); 125952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + size, s2, 1), RightOOBErrorMessage(0)); 126052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2 + size, 1), RightOOBErrorMessage(0)); 126152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Hit unallocated memory and die. 126252fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + 1, s2 + 1, size), RightOOBErrorMessage(0)); 126352fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1 + size - 1, s2, 2), RightOOBErrorMessage(0)); 126452fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany // Zero bytes are not terminators and don't prevent from OOB. 126552fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany s1[size - 1] = '\0'; 126652fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany s2[size - 1] = '\0'; 126752fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany EXPECT_DEATH(Ident(memcmp)(s1, s2, size + 1), RightOOBErrorMessage(0)); 126852fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany free(s1); 126952fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany free(s2); 127052fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany} 127152fb238ccc45781e4e1d097ae1ee748c898b5825Kostya Serebryany 12720985ca240812ac5519168a6aecbccf4c513ae243Kostya SerebryanyTEST(AddressSanitizer, StrCatOOBTest) { 12730985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany size_t to_size = Ident(100); 12740985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany char *to = MallocAndMemsetString(to_size); 12750985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany to[0] = '\0'; 12760985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany size_t from_size = Ident(20); 12770985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany char *from = MallocAndMemsetString(from_size); 12780985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = '\0'; 12790985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Normal strcat calls. 12800985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from); 12810985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from); 12820985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to + from_size, from + from_size - 2); 12830985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Catenate empty string is not always an error. 12840985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to - 1, from + from_size - 1); 12850985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // One of arguments points to not allocated memory. 12860985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to - 1, from), LeftOOBErrorMessage(1)); 12870985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from - 1), LeftOOBErrorMessage(1)); 12880985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to + to_size, from), RightOOBErrorMessage(0)); 12890985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from + from_size), RightOOBErrorMessage(0)); 12900985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 12910985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "from" is not zero-terminated. 12920985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = 'z'; 12930985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 12940985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany from[from_size - 1] = '\0'; 12950985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "to" is not zero-terminated. 12960985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany memset(to, 'z', to_size); 12970985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 12980985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // "to" is too short to fit "from". 12990985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany to[to_size - from_size + 1] = '\0'; 13000985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany EXPECT_DEATH(strcat(to, from), RightOOBErrorMessage(0)); 13010985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // length of "to" is just enough. 13020985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(to, from + 1); 13030985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany} 13040985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 1305c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryanystatic string OverlapErrorMessage(const string &func) { 1306c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany return func + "-param-overlap"; 1307c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany} 13081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13091e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrArgsOverlapTest) { 13101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 13111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *str = Ident((char*)malloc(size)); 13121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13130503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko// Do not check memcpy() on OS X 10.7 and later, where it actually aliases 13140503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko// memmove(). 13150503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#if !defined(__APPLE__) || !defined(MAC_OS_X_VERSION_10_7) || \ 13160503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7) 13171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "memcpy". Use Ident() to avoid inlining. 13181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(memcpy)(str + 1, str + 11, 10); 13201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(memcpy)(str, str, 0); 1321c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(Ident(memcpy)(str, str + 14, 15), OverlapErrorMessage("memcpy")); 1322c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(Ident(memcpy)(str + 14, str, 15), OverlapErrorMessage("memcpy")); 13230503ce8824393174c17acb26d62551f18a0fd82aAlexander Potapenko#endif 1324c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1325c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // We do not treat memcpy with to==from as a bug. 1326c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // See http://llvm.org/bugs/show_bug.cgi?id=11763. 1327c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // EXPECT_DEATH(Ident(memcpy)(str + 20, str + 20, 1), 1328c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany // OverlapErrorMessage("memcpy")); 13291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "strcpy". 13311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[9] = '\0'; 13331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(str + 10, str); 1334c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcpy(str + 9, str), OverlapErrorMessage("strcpy")); 1335c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcpy(str, str + 4), OverlapErrorMessage("strcpy")); 13361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strcpy(str, str + 5); 13371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Check "strncpy". 13391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(str, 'z', size); 13401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(str, str + 10, 10); 1341c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str, str + 9, 10), OverlapErrorMessage("strncpy")); 1342c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str + 9, str, 10), OverlapErrorMessage("strncpy")); 13431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany str[10] = '\0'; 13441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany strncpy(str + 11, str, 20); 1345c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strncpy(str + 10, str, 20), OverlapErrorMessage("strncpy")); 13461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13470985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany // Check "strcat". 13480985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany memset(str, 'z', size); 13490985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[10] = '\0'; 13500985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[20] = '\0'; 13510985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str, str + 10); 13520985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str, str + 11); 13530985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany str[10] = '\0'; 13540985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany strcat(str + 11, str); 1355c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str, str + 9), OverlapErrorMessage("strcat")); 1356c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str + 9, str), OverlapErrorMessage("strcat")); 1357c5e72a3b7c60f1b2d9d9be3a07d397d5b5f872beKostya Serebryany EXPECT_DEATH(strcat(str + 10, str), OverlapErrorMessage("strcat")); 13580985ca240812ac5519168a6aecbccf4c513ae243Kostya Serebryany 13591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(str); 13601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 13611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// At the moment we instrument memcpy/memove/memset calls at compile time so we 13631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// can't handle OOB error if these functions are called by pointer, see disabled 13641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// MemIntrinsicCallByPointerTest below 13651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef void*(*PointerToMemTransfer)(void*, const void*, size_t); 13661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytypedef void*(*PointerToMemSet)(void*, int, size_t); 13671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid CallMemSetByPointer(PointerToMemSet MemSet) { 13691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 13701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *array = Ident((char*)malloc(size)); 13711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(MemSet(array, 0, 101), RightOOBErrorMessage(0)); 13721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(array); 13731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 13741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid CallMemTransferByPointer(PointerToMemTransfer MemTransfer) { 13761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = Ident(100); 13771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *src = Ident((char*)malloc(size)); 13781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *dst = Ident((char*)malloc(size)); 13791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(MemTransfer(dst, src, 101), RightOOBErrorMessage(0)); 13801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(src); 13811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(dst); 13821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 13831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13841e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MemIntrinsicCallByPointerTest) { 13851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemSetByPointer(&memset); 13861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemTransferByPointer(&memcpy); 13871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CallMemTransferByPointer(&memmove); 13881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 13891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test case fails 13911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Clang optimizes memcpy/memset calls which lead to unaligned access 13921e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MemIntrinsicUnalignedAccessTest) { 13931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int size = Ident(4096); 13941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *s = Ident((char*)malloc(size)); 13951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(memset(s + size - 1, 0, 2), RightOOBErrorMessage(0)); 13961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(s); 13971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 13981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 13991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add a test with malloc(0) 14001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(samsonov): Add tests for str* and mem* functions. 14011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 14031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic int LargeFunction(bool do_bad_access) { 14041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x = new int[100]; 14051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[0]++; 14061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[1]++; 14071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[2]++; 14081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[3]++; 14091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[4]++; 14101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[5]++; 14111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[6]++; 14121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[7]++; 14131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[8]++; 14141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[9]++; 14151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[do_bad_access ? 100 : 0]++; int res = __LINE__; 14171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[10]++; 14191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[11]++; 14201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[12]++; 14211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[13]++; 14221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[14]++; 14231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[15]++; 14241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[16]++; 14251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[17]++; 14261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[18]++; 14271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany x[19]++; 14281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete x; 14301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return res; 14311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Test the we have correct debug info for the failing instruction. 14341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// This test requires the in-process symbolizer to be enabled by default. 14351e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_LargeFunctionSymbolizeTest) { 14361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int failing_line = LargeFunction(false); 14371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char expected_warning[128]; 14381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany sprintf(expected_warning, "LargeFunction.*asan_test.cc:%d", failing_line); 14391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(LargeFunction(true), expected_warning); 14401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Check that we unwind and symbolize correctly. 14431e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_MallocFreeUnwindAndSymbolizeTest) { 14441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = (int*)malloc_aaa(sizeof(int)); 14451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *a = 1; 14461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(a); 14471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*a = 1, "free_ccc.*free_bbb.*free_aaa.*" 14481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "malloc_fff.*malloc_eee.*malloc_ddd"); 14491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestAlloc(void *a) { 14521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 14531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *p = new int; 14541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 14551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestFree(void *a) { 14581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 14591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany delete *p; 14601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 14611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *ThreadedTestUse(void *a) { 14641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int **p = (int**)a; 14651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany **p = 1; 14661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 14671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid ThreadedTestSpawn() { 14701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 14711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *x; 14721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestAlloc, &x); 14731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 14741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestFree, &x); 14751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 14761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, ThreadedTestUse, &x); 14771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 14781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14801e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedTest) { 14811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(ThreadedTestSpawn(), 14821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_PCRE_DOTALL 14831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "Thread T.*created" 14841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created" 14851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ".*Thread T.*created"); 14861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if ASAN_NEEDS_SEGV 14891e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ShadowGapTest) { 14901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#if __WORDSIZE == 32 14911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x22000000; 14921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#else 14931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *addr = (char*)0x0000100000080000; 14941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 14951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(*addr = 1, "AddressSanitizer crashed on unknown"); 14961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 14971e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // ASAN_NEEDS_SEGV 14981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 14991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyextern "C" { 15001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 15011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void UseThenFreeThenUse() { 15021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = Ident((char*)malloc(8)); 15031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 1; 15041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free_aaa(x); 15051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany *x = 2; 15061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15091e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, UseThenFreeThenUseTest) { 15101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(UseThenFreeThenUse(), "freed by thread"); 15111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15131e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StrDupTest) { 15141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(strdup(Ident("123"))); 15151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// Currently we create and poison redzone at right of global variables. 15181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanychar glob5[5]; 15191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic char static110[110]; 15201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyconst char ConstGlob[7] = {1, 2, 3, 4, 5, 6, 7}; 15211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic const char StaticConstGlob[3] = {9, 8, 7}; 15221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyextern int GlobalsTest(int x); 15231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15241e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalTest) { 15251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char func_static15[15]; 15261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs1[10]; 15281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs2[10]; 15291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char fs3[10]; 15301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(0)] = 0; 15321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(1)] = 0; 15331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(2)] = 0; 15341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(3)] = 0; 15351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany glob5[Ident(4)] = 0; 15361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5)] = 0, 15381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable.*glob5.* size 5"); 15391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(glob5[Ident(5+6)] = 0, 15401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "6 bytes to the right of global variable.*glob5.* size 5"); 15411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(static110); // avoid optimizations 15421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(0)] = 0; 15431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static110[Ident(109)] = 0; 15441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110)] = 0, 15451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 15461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(static110[Ident(110+7)] = 0, 15471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "7 bytes to the right of global variable"); 15481e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(func_static15); // avoid optimizations 15501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany func_static15[Ident(0)] = 0; 15511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15)] = 0, 15521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "0 bytes to the right of global variable"); 15531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(func_static15[Ident(15 + 9)] = 0, 15541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "9 bytes to the right of global variable"); 15551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs1); 15571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs2); 15581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(fs3); 15591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // We don't create left redzones, so this is not 100% guaranteed to fail. 15611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // But most likely will. 15621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(fs2[Ident(-1)] = 0, "is located.*of global variable"); 15631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(ConstGlob)[8]), 15651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 1 bytes to the right of .*ConstGlob"); 15661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(Ident(StaticConstGlob)[5]), 15671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "is located 2 bytes to the right of .*StaticConstGlob"); 15681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // call stuff from another file. 15701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany GlobalsTest(0); 15711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 15731e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, GlobalStringConstTest) { 15741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static const char *zoo = "FOOBAR123"; 15751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const char *p = Ident(zoo); 15761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(Ident(p[15]), "is ascii string 'FOOBAR123'"); 15771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1579c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya SerebryanyTEST(AddressSanitizer, FileNameInGlobalReportTest) { 1580c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany static char zoo[10]; 1581c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany const char *p = Ident(zoo); 1582c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany // The file name should be present in the report. 1583c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany EXPECT_DEATH(Ident(p[15]), "zoo.*asan_test.cc"); 1584c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany} 1585c37ca572876a585b6a910f14a85cc7ba7fc22f20Kostya Serebryany 15861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyint *ReturnsPointerToALocalObject() { 15871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int a = 0; 15881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return Ident(&a); 15891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 15901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1591918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#if ASAN_UAR == 1 15921e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, LocalReferenceReturnTest) { 15931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *(*f)() = Ident(ReturnsPointerToALocalObject); 1594918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany int *p = f(); 1595918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany // Call 'f' a few more times, 'p' should still be poisoned. 1596918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany for (int i = 0; i < 32; i++) 1597918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany f(); 1598918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany EXPECT_DEATH(*p = 1, "AddressSanitizer stack-use-after-return"); 1599918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany EXPECT_DEATH(*p = 1, "is located.*in frame .*ReturnsPointerToALocal"); 16001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1601918b18a849cea679bff31a4e0dfb3745302c240aKostya Serebryany#endif 16021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanytemplate <int kSize> 16041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 16051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void FuncWithStack() { 16061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char x[kSize]; 16071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[0] = 0; 16081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(x)[kSize-1] = 0; 16091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void LotsOfStackReuse() { 16121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int LargeStack[10000]; 16131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 16141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 16151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 1>(); 16161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 2>(); 16171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 4>(); 16181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 8>(); 16191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 16>(); 16201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 32>(); 16211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 64>(); 16221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 128>(); 16231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 256>(); 16241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany FuncWithStack<128 * 512>(); 16251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(LargeStack)[0] = 0; 16261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 16271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, StressStackReuseTest) { 16301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany LotsOfStackReuse(); 16311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16331e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, ThreadedStressStackReuseTest) { 16341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumThreads = 20; 16351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t[kNumThreads]; 16361e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 16371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t[i], 0, (void* (*)(void *x))LotsOfStackReuse, 0); 16381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 16391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < kNumThreads; i++) { 16401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t[i], 0); 16411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 16421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1644f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryanystatic void *PthreadExit(void *a) { 1645f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_exit(0); 1646f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1647f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 1648f58f998066db0231e521169d2f50af439ceecb49Kostya SerebryanyTEST(AddressSanitizer, PthreadExitTest) { 1649f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_t t; 1650f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany for (int i = 0; i < 1000; i++) { 1651f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_create(&t, 0, PthreadExit, 0); 1652f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany pthread_join(t, 0); 1653f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany } 1654f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany} 1655f58f998066db0231e521169d2f50af439ceecb49Kostya Serebryany 16561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __EXCEPTIONS 16571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany__attribute__((noinline)) 16581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanystatic void StackReuseAndException() { 16591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int large_stack[1000]; 16601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(large_stack); 16611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ASAN_THROW(1); 16621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(kcc): support exceptions with use-after-return. 16651e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_StressStackReuseAndExceptionsTest) { 16661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (int i = 0; i < 10000; i++) { 16671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany try { 16681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany StackReuseAndException(); 16691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } catch(...) { 16701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 16711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 16721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif 16741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 16751e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, MlockTest) { 16761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlockall(MCL_CURRENT)); 16771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, mlock((void*)0x12345, 0x5678)); 16781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlockall()); 16791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_EQ(0, munlock((void*)0x987, 0x654)); 16801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 16811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 1682c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryanystruct LargeStruct { 1683c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany int foo[100]; 1684c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany}; 1685c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1686c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Test for bug http://llvm.org/bugs/show_bug.cgi?id=11763. 1687c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany// Struct copy should not cause asan warning even if lhs == rhs. 1688c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya SerebryanyTEST(AddressSanitizer, LargeStructCopyTest) { 1689c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany LargeStruct a; 1690c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany *Ident(&a) = *Ident(&a); 1691c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany} 1692c655cfa8dc0fdf5b521e565f6cbdbf7981fba1b2Kostya Serebryany 1693d271c926e0fa1b8fa9e4ca13f49f7d3ee07a27bcKostya Serebryany__attribute__((no_address_safety_analysis)) 16943be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryanystatic void NoAddressSafety() { 16953be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany char *foo = new char[10]; 16963be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany Ident(foo)[10] = 0; 16973be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany delete [] foo; 16983be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 16993be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 17003be19f4fa3519e358fd41a5feda82c39a22ef107Kostya SerebryanyTEST(AddressSanitizer, AttributeNoAddressSafetyTest) { 17013be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany Ident(NoAddressSafety)(); 17023be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany} 17033be19f4fa3519e358fd41a5feda82c39a22ef107Kostya Serebryany 17041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// ------------------ demo tests; run each one-by-one ------------- 17051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// e.g. --gtest_filter=*DemoOOBLeftHigh --gtest_also_run_disabled_tests 17061e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadedTest) { 17071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany ThreadedTestSpawn(); 17081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *SimpleBugOnSTack(void *x = 0) { 17111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char a[20]; 17121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[20] = 0; 17131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return 0; 17141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17161e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoStackTest) { 17171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany SimpleBugOnSTack(); 17181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17201e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoThreadStackTest) { 17211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t t; 17221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&t, 0, SimpleBugOnSTack, 0); 17231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(t, 0); 17241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17261e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowIn) { 17271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 0); 17281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17291e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowLeft) { 17301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, -2); 17311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17321e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFLowRight) { 17331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(10, 10); 17341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17361e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoUAFHigh) { 17371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany uaf_test<U1>(kLargeMalloc, 0); 17381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17401e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBLeftLow) { 17411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(10, -1); 17421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17441e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBLeftHigh) { 17451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(kLargeMalloc, -1); 17461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17481e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBRightLow) { 17491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(10, 10); 17501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17521e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOBRightHigh) { 17531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany oob_test<U1>(kLargeMalloc, kLargeMalloc); 17541e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17561e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoOOM) { 17571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t size = __WORDSIZE == 64 ? (size_t)(1ULL << 40) : (0xf0000000); 17581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany printf("%p\n", malloc(size)); 17591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17601e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17611e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoDoubleFreeTest) { 17621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany DoubleFree(); 17631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17651e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoNullDerefTest) { 17661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int *a = 0; 17671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[10] = 0; 17681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17701e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoFunctionStaticTest) { 17711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char a[100]; 17721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char b[100]; 17731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany static char c[100]; 17741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a); 17751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b); 17761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(c); 17771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 17781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(b)[105] = 0; 17791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany Ident(a)[5] = 0; 17801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17821e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizer, DISABLED_DemoTooMuchMemoryTest) { 17831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const size_t kAllocSize = (1 << 28) - 1024; 17841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany size_t total_size = 0; 17851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany while (true) { 17861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany char *x = (char*)malloc(kAllocSize); 17871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany memset(x, 0, kAllocSize); 17881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany total_size += kAllocSize; 17891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany fprintf(stderr, "total: %ldM\n", (long)total_size >> 20); 17901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 17911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 17921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 17931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#ifdef __APPLE__ 17941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#include "asan_mac_test.h" 17951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// TODO(glider): figure out whether we still need these tests. Is it correct 17961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany// to intercept CFAllocator? 17971e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorDefaultDoubleFree) { 17981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH( 17991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CFAllocatorDefaultDoubleFree(), 18001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "attempting double-free"); 18011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18031e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorSystemDefaultDoubleFree) { 18041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH( 18051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany CFAllocatorSystemDefaultDoubleFree(), 18061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany "attempting double-free"); 18071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18091e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorMallocDoubleFree) { 18101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(CFAllocatorMallocDoubleFree(), "attempting double-free"); 18111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18131e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_CFAllocatorMallocZoneDoubleFree) { 18141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(CFAllocatorMallocZoneDoubleFree(), "attempting double-free"); 18151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 181796bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchAsync) { 18181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 18191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 18201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchAsync(), "Shadow byte and word"); 18211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 182396bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchSync) { 18241e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 18251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 18261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchSync(), "Shadow byte and word"); 18271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 183096bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDReuseWqthreadsAsync) { 18311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 18321e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 18331e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDReuseWqthreadsAsync(), "Shadow byte and word"); 18341e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18351e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 183696bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDReuseWqthreadsSync) { 18371e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 18381e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 18391e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDReuseWqthreadsSync(), "Shadow byte and word"); 18401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 184296bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDDispatchAfter) { 18431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 18441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 18451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDDispatchAfter(), "Shadow byte and word"); 18461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 184896bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDSourceEvent) { 18491e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 18501e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 18511e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDSourceEvent(), "Shadow byte and word"); 18521e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18531e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 185496bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDSourceCancel) { 18551e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 18561e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 18571e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDSourceCancel(), "Shadow byte and word"); 18581e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18591e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 186096bdefaabcd9ed4cb3401f5fbfb51fd964e03f5aKostya SerebryanyTEST(AddressSanitizerMac, GCDGroupAsync) { 18611e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Make sure the whole ASan report is printed, i.e. that we don't die 18621e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // on a CHECK. 18631e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany EXPECT_DEATH(TestGCDGroupAsync(), "Shadow byte and word"); 18641e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18651e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18661e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *MallocIntrospectionLockWorker(void *_) { 18671e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumPointers = 100; 18681e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int i; 18691e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *pointers[kNumPointers]; 18701e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumPointers; i++) { 18711e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pointers[i] = malloc(i + 1); 18721e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 18731e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumPointers; i++) { 18741e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(pointers[i]); 18751e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 18761e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18771e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 18781e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18791e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18801e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *MallocIntrospectionLockForker(void *_) { 18811e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pid_t result = fork(); 18821e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (result == -1) { 18831e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany perror("fork"); 18841e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 18851e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany assert(result != -1); 18861e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (result == 0) { 18871e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Call malloc in the child process to make sure we won't deadlock. 18881e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *ptr = malloc(42); 18891e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany free(ptr); 18901e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany exit(0); 18911e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } else { 18921e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Return in the parent process. 18931e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 18941e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 18951e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 18961e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 18971e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, MallocIntrospectionLock) { 18981e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // Incorrect implementation of force_lock and force_unlock in our malloc zone 18991e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // will cause forked processes to deadlock. 19001e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany // TODO(glider): need to detect that none of the child processes deadlocked. 19011e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany const int kNumWorkers = 5, kNumIterations = 100; 19021e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany int i, iter; 19031e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (iter = 0; iter < kNumIterations; iter++) { 19041e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t workers[kNumWorkers], forker; 19051e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumWorkers; i++) { 19061e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&workers[i], 0, MallocIntrospectionLockWorker, 0); 19071e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 19081e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&forker, 0, MallocIntrospectionLockForker, 0); 19091e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany for (i = 0; i < kNumWorkers; i++) { 19101e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(workers[i], 0); 19111e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 19121e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(forker, 0); 19131e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 19141e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19151e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19161e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyvoid *TSDAllocWorker(void *test_key) { 19171e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany if (test_key) { 19181e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany void *mem = malloc(10); 19191e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_setspecific(*(pthread_key_t*)test_key, mem); 19201e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany } 19211e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return NULL; 19221e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 19231e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19241e172b4bdec57329bf904f063a29f99cddf2d85fKostya SerebryanyTEST(AddressSanitizerMac, DISABLED_TSDWorkqueueTest) { 19251e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_t th; 19261e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_t test_key; 19271e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_create(&test_key, CallFreeOnWorkqueue); 19281e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_create(&th, NULL, TSDAllocWorker, &test_key); 19291e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_join(th, NULL); 19301e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany pthread_key_delete(test_key); 19311e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1932fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko 1933fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko// Test that CFStringCreateCopy does not copy constant strings. 1934431e51782d62d1257348e41e24da6b544fe70507Alexander PotapenkoTEST(AddressSanitizerMac, CFStringCreateCopy) { 1935fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko CFStringRef str = CFSTR("Hello world!\n"); 1936fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko CFStringRef str2 = CFStringCreateCopy(0, str); 1937fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko EXPECT_EQ(str, str2); 1938fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko} 1939fb506cb56c7f47a9f0aa515d6f5ca3ed6533422fAlexander Potapenko 19401e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany#endif // __APPLE__ 19411e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany 19421e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryanyint main(int argc, char **argv) { 19431e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany progname = argv[0]; 19441e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany testing::GTEST_FLAG(death_test_style) = "threadsafe"; 19451e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany testing::InitGoogleTest(&argc, argv); 19461e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany return RUN_ALL_TESTS(); 19471e172b4bdec57329bf904f063a29f99cddf2d85fKostya Serebryany} 1948