23 lines · cpp
1// ASan interceptor can be accessed with __interceptor_ prefix.2 3// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s4// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s5// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s6// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s7#include <stdlib.h>8#include <stdio.h>9 10extern "C" long __interceptor_strtol(const char *nptr, char **endptr, int base);11extern "C" long strtol(const char *nptr, char **endptr, int base) {12 fprintf(stderr, "my_strtol_interceptor\n");13 return __interceptor_strtol(nptr, endptr, base);14}15 16int main() {17 char *x = (char*)malloc(10 * sizeof(char));18 free(x);19 return (int)strtol(x, 0, 10);20 // CHECK: my_strtol_interceptor21 // CHECK: heap-use-after-free22}23