1 | // Test that use-after-return works with exceptions. |
2 | // RUN: %clangxx_asan -O0 %s -o %t |
3 | // RUN: %env_asan_opts=detect_stack_use_after_return=1 %run %t |
4 | // RUN: %clangxx_asan -O0 %s -o %t -fsanitize-address-use-after-return=always |
5 | // RUN: %run %t |
6 | |
7 | #include <stdio.h> |
8 | |
9 | volatile char *g; |
10 | |
11 | #ifndef FRAME_SIZE |
12 | # define FRAME_SIZE 100 |
13 | #endif |
14 | |
15 | #ifndef NUM_ITER |
16 | # define NUM_ITER 4000 |
17 | #endif |
18 | |
19 | #ifndef DO_THROW |
20 | # define DO_THROW 1 |
21 | #endif |
22 | |
23 | void Func(int depth) { |
24 | char frame[FRAME_SIZE]; |
25 | g = &frame[0]; |
26 | if (depth) |
27 | Func(depth: depth - 1); |
28 | else if (DO_THROW) |
29 | throw 1; |
30 | } |
31 | |
32 | int main(int argc, char **argv) { |
33 | for (int i = 0; i < NUM_ITER; i++) { |
34 | try { |
35 | Func(depth: argc * 100); |
36 | } catch(...) { |
37 | } |
38 | if ((i % (NUM_ITER / 10)) == 0) |
39 | fprintf(stderr, format: "done [%d]\n" , i); |
40 | } |
41 | return 0; |
42 | } |
43 | |