1 // Test strict_string_checks option in strchr function
2 // RUN: %clang_asan %s -o %t && %run %t 2>&1
3 // RUN: %env_asan_opts=strict_string_checks=false %run %t 2>&1
4 // RUN: %env_asan_opts=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
main(int argc,char ** argv)10 int 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