1// Checks that the ASan debugging API for getting report information
2// returns correct values.
3// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
4
5#include <sanitizer/asan_interface.h>
6#include <stdio.h>
7#include <stdlib.h>
8
9int main() {
10  char *heap_ptr = (char *)malloc(10);
11  free(heap_ptr);
12  int present = __asan_report_present();
13  fprintf(stderr, "%s\n", (present == 0) ? "no report" : "");
14  // CHECK: no report
15  heap_ptr[0] = 'A'; // BOOM
16  return 0;
17}
18
19void __asan_on_error() {
20  int present = __asan_report_present();
21  void *pc = __asan_get_report_pc();
22  void *bp = __asan_get_report_bp();
23  void *sp = __asan_get_report_sp();
24  void *addr = __asan_get_report_address();
25  int is_write = __asan_get_report_access_type();
26  size_t access_size = __asan_get_report_access_size();
27  const char *description = __asan_get_report_description();
28
29  fprintf(stderr, "%s\n", (present == 1) ? "report" : "");
30  // CHECK: report
31  fprintf(stderr, "pc: %p\n", pc);
32  // CHECK: pc: 0x[[PC:[0-9a-f]+]]
33  fprintf(stderr, "bp: %p\n", bp);
34  // CHECK: bp: 0x[[BP:[0-9a-f]+]]
35  fprintf(stderr, "sp: %p\n", sp);
36  // CHECK: sp: 0x[[SP:[0-9a-f]+]]
37  fprintf(stderr, "addr: %p\n", addr);
38  // CHECK: addr: 0x[[ADDR:[0-9a-f]+]]
39  fprintf(stderr, "type: %s\n", (is_write ? "write" : "read"));
40  // CHECK: type: write
41  fprintf(stderr, "access_size: %ld\n", access_size);
42  // CHECK: access_size: 1
43  fprintf(stderr, "description: %s\n", description);
44  // CHECK: description: heap-use-after-free
45}
46
47// CHECK: AddressSanitizer: heap-use-after-free on address {{0x0*}}[[ADDR]] at pc {{0x0*}}[[PC]] bp {{0x0*}}[[BP]] sp {{0x0*}}[[SP]]
48// CHECK: WRITE of size 1 at {{0x0*}}[[ADDR]] thread T0
49