1 // Check that the stack trace debugging API works and returns correct
2 // malloc and free stacks.
3 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
5 // FIXME: Figure out why allocation/free stack traces may be too short on ARM.
6 // REQUIRES: stable-runtime
8 #include <sanitizer/asan_interface.h>
14 mem = (char *)malloc(10);
26 size_t num_frames = 100;
28 num_frames = __asan_get_alloc_stack(mem, trace, num_frames, &thread_id);
30 fprintf(stderr, "alloc stack retval %s\n", (num_frames > 0 && num_frames < 10)
32 // CHECK: alloc stack retval ok
33 fprintf(stderr, "thread id = %d\n", thread_id);
34 // CHECK: thread id = 0
35 fprintf(stderr, "0x%lx\n", trace[0]);
36 // CHECK: [[ALLOC_FRAME_0:0x[0-9a-f]+]]
37 fprintf(stderr, "0x%lx\n", trace[1]);
38 // CHECK: [[ALLOC_FRAME_1:0x[0-9a-f]+]]
41 num_frames = __asan_get_free_stack(mem, trace, num_frames, &thread_id);
43 fprintf(stderr, "free stack retval %s\n", (num_frames > 0 && num_frames < 10)
45 // CHECK: free stack retval ok
46 fprintf(stderr, "thread id = %d\n", thread_id);
47 // CHECK: thread id = 0
48 fprintf(stderr, "0x%lx\n", trace[0]);
49 // CHECK: [[FREE_FRAME_0:0x[0-9a-f]+]]
50 fprintf(stderr, "0x%lx\n", trace[1]);
51 // CHECK: [[FREE_FRAME_1:0x[0-9a-f]+]]
55 // CHECK: ERROR: AddressSanitizer: heap-use-after-free
56 // CHECK: WRITE of size 1 at 0x{{.*}}
57 // CHECK: freed by thread T0 here:
58 // CHECK: #0 [[FREE_FRAME_0]]
59 // CHECK: #1 [[FREE_FRAME_1]]
60 // CHECK: previously allocated by thread T0 here:
61 // CHECK: #0 [[ALLOC_FRAME_0]]
62 // CHECK: #1 [[ALLOC_FRAME_1]]