| // ASan interceptor can be accessed with __interceptor_ prefix. |
| |
| // { dg-do run } |
| // { dg-options "-fno-builtin-malloc -fno-builtin-free" } |
| // { dg-additional-options "-D__NO_INLINE__" { target { *-*-linux-gnu *-*-freebsd* } } } |
| // { dg-shouldfail "asan" } |
| // { dg-skip-if "Darwin uses mac function interposition" { *-*-darwin* } } |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| extern "C" long __interceptor_strtol(const char *nptr, char **endptr, int base); |
| extern "C" long strtol(const char *nptr, char **endptr, int base) { |
| fprintf(stderr, "my_strtol_interceptor\n"); |
| return __interceptor_strtol(nptr, endptr, base); |
| } |
| |
| int main() { |
| char *x = (char*)malloc(10); |
| free(x); |
| return (int)strtol(x, 0, 10); |
| } |
| |
| // { dg-output "my_strtol_interceptor.*(\n|\r\n|\r)" } |
| // { dg-output "\[^\n\r]*heap-use-after-free" } |