| // Checks that the ASan debugging API for getting report information |
| // returns correct values. |
| // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s |
| |
| #include <sanitizer/asan_interface.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| int main() { |
| char *heap_ptr = (char *)malloc(10); |
| free(heap_ptr); |
| int present = __asan_report_present(); |
| fprintf(stderr, "%s\n", (present == 0) ? "no report" : ""); |
| // CHECK: no report |
| heap_ptr[0] = 'A'; // BOOM |
| return 0; |
| } |
| |
| void __asan_on_error() { |
| int present = __asan_report_present(); |
| void *pc = __asan_get_report_pc(); |
| void *bp = __asan_get_report_bp(); |
| void *sp = __asan_get_report_sp(); |
| void *addr = __asan_get_report_address(); |
| int is_write = __asan_get_report_access_type(); |
| size_t access_size = __asan_get_report_access_size(); |
| const char *description = __asan_get_report_description(); |
| |
| fprintf(stderr, "%s\n", (present == 1) ? "report" : ""); |
| // CHECK: report |
| fprintf(stderr, "pc: %p\n", pc); |
| // CHECK: pc: 0x[[PC:[0-9a-f]+]] |
| fprintf(stderr, "bp: %p\n", bp); |
| // CHECK: bp: 0x[[BP:[0-9a-f]+]] |
| fprintf(stderr, "sp: %p\n", sp); |
| // CHECK: sp: 0x[[SP:[0-9a-f]+]] |
| fprintf(stderr, "addr: %p\n", addr); |
| // CHECK: addr: 0x[[ADDR:[0-9a-f]+]] |
| fprintf(stderr, "type: %s\n", (is_write ? "write" : "read")); |
| // CHECK: type: write |
| fprintf(stderr, "access_size: %ld\n", access_size); |
| // CHECK: access_size: 1 |
| fprintf(stderr, "description: %s\n", description); |
| // CHECK: description: heap-use-after-free |
| } |
| |
| // CHECK: AddressSanitizer: heap-use-after-free on address {{0x0*}}[[ADDR]] at pc {{0x0*}}[[PC]] bp {{0x0*}}[[BP]] sp {{0x0*}}[[SP]] |
| // CHECK: WRITE of size 1 at {{0x0*}}[[ADDR]] thread T0 |
