| // Checks how we print the developer note "hwasan_dev_note_heap_rb_distance". |
| // RUN: %clang_hwasan %s -o %t |
| // RUN: not %run %t 10 2>&1 | FileCheck %s --check-prefix=D10 |
| // RUN: not %run %t 42 2>&1 | FileCheck %s --check-prefix=D42 |
| |
| // REQUIRES: stable-runtime |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <sanitizer/hwasan_interface.h> |
| |
| |
| void *p[100]; |
| |
| int main(int argc, char **argv) { |
| __hwasan_enable_allocator_tagging(); |
| int distance = argc >= 2 ? atoi(argv[1]) : 1; |
| for (int i = 0; i < 100; i++) |
| p[i] = malloc(i); |
| for (int i = 0; i < 100; i++) |
| free(p[i]); |
| |
| *(int*)p[distance] = 0; |
| } |
| |
| // D10: hwasan_dev_note_heap_rb_distance: 90 1023 |
| // D42: hwasan_dev_note_heap_rb_distance: 58 1023 |
