23 lines · c
1// Test strict_string_checks option in strchr function2// RUN: %clang_asan %s -o %t && %run %t 2>&13// RUN: %env_asan_opts=strict_string_checks=false %run %t 2>&14// RUN: %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s5 6#include <assert.h>7#include <stdlib.h>8#include <string.h>9 10int main(int argc, char **argv) {11 size_t size = 100;12 char fill = 'o';13 char *s = (char*)malloc(size);14 memset(s, fill, size);15 char c = 'o';16 char* r = strchr(s, c);17 // CHECK: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}}18 // CHECK: READ of size 10119 assert(r == s);20 free(s);21 return 0;22}23