| // If user provides his own libc functions, ASan doesn't | |
| // intercept these functions. | |
| // RUN: %clang_asan -O2 %s -o %t | |
| // RUN: %t 2>&1 | FileCheck %s | |
| #include <stdlib.h> | |
| #include <stdio.h> | |
| extern "C" long strtol(const char *nptr, char **endptr, int base) { | |
| fprintf(stderr, "my_strtol_interceptor\n"); | |
| return 0; | |
| } | |
| int main() { | |
| char *x = (char*)malloc(10 * sizeof(char)); | |
| free(x); | |
| return (int)strtol(x, 0, 10); | |
| // CHECK: my_strtol_interceptor | |
| // CHECK-NOT: heap-use-after-free | |
| } |