1// ASan interceptor can be accessed with __interceptor_ prefix. 2 3// { dg-do run { target *-*-linux* } } 4// { dg-options "-fno-builtin-free" } 5// { dg-additional-options "-D__NO_INLINE__" { target { *-*-linux-gnu } } } 6// { dg-shouldfail "asan" } 7 8#include <stdlib.h> 9#include <stdio.h> 10#include <unistd.h> 11 12extern "C" void *__interceptor_malloc(size_t size); 13extern "C" void *malloc(size_t size) { 14 write(2, "malloc call\n", sizeof("malloc call\n") - 1); 15 return __interceptor_malloc(size); 16} 17 18int main() { 19 char *x = (char*)malloc(10); 20 free(x); 21 return (int)strtol(x, 0, 10); 22} 23 24// { dg-output "malloc call.*(\n|\r\n|\r)" } 25// { dg-output "\[^\n\r]*heap-use-after-free" } 26