| // Test haystack overflow in strcasestr function |
| // RUN: %clang_asan %s -o %t && %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s |
| |
| // Test intercept_strstr asan option |
| // Disable other interceptors because strlen may be called inside strcasestr |
| // RUN: %env_asan_opts=intercept_strstr=false:replace_str=false %run %t 2>&1 |
| |
| // There's no interceptor for strcasestr on Windows |
| // XFAIL: win32 |
| |
| #define _GNU_SOURCE |
| #include <assert.h> |
| #include <string.h> |
| #include <sanitizer/asan_interface.h> |
| |
| int main(int argc, char **argv) { |
| char *r = 0; |
| char s2[] = "c"; |
| char s1[4] = "abC"; |
| __asan_poison_memory_region ((char *)&s1[2], 2); |
| r = strcasestr(s1, s2); |
| // CHECK:'s1'{{.*}} <== Memory access at offset {{[0-9]+}} partially overflows this variable |
| assert(r == s1 + 2); |
| return 0; |
| } |
