1// Test strict_string_checks option in strchr function 2// RUN: %clang_asan %s -o %t && %run %t 2>&1 3// RUN: ASAN_OPTIONS=strict_string_checks=false %run %t 2>&1 4// RUN: ASAN_OPTIONS=strict_string_checks=true not %run %t 2>&1 | FileCheck %s 5 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 101 19 assert(r == s); 20 free(s); 21 return 0; 22} 23