1 // Test string s1 overflow in strpbrk function
2 // RUN: %clang_asan %s -o %t && %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s
3 
4 // Test intercept_strpbrk asan option
5 // RUN: %env_asan_opts=intercept_strpbrk=false %run %t 2>&1
6 
7 #include <assert.h>
8 #include <string.h>
9 #include <sanitizer/asan_interface.h>
10 
main(int argc,char ** argv)11 int main(int argc, char **argv) {
12   char *r;
13   char s2[] = "ab";
14   char s1[4] = "cab";
15   __asan_poison_memory_region ((char *)&s1[2], 2);
16   r = strpbrk(s1, s2);
17   // CHECK:'s1'{{.*}} <== Memory access at offset {{[0-9]+}} partially overflows this variable
18   assert(r == s1 + 1);
19   return 0;
20 }
21