| // Test string s1 overflow in strspn function |
| // RUN: %clang_asan %s -o %t && %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s |
| |
| // Test intercept_strspn asan option |
| // RUN: %env_asan_opts=intercept_strspn=false %run %t 2>&1 |
| |
| #include <assert.h> |
| #include <string.h> |
| #include <sanitizer/asan_interface.h> |
| |
| int main(int argc, char **argv) { |
| size_t r; |
| char s2[] = "ab"; |
| char s1[4] = "acb"; |
| __asan_poison_memory_region ((char *)&s1[2], 2); |
| r = strspn(s1, s2); |
| // CHECK:'s1'{{.*}} <== Memory access at offset {{[0-9]+}} partially overflows this variable |
| assert(r == 1); |
| return 0; |
| } |
