1 | // Check that we can store lots of stack frames if asked to. |
2 | |
3 | // RUN: %clangxx_asan -O0 %s -o %t 2>&1 |
4 | // RUN: %env_asan_opts=malloc_context_size=125:redzone=512 not %run %t 2>&1 | FileCheck %s |
5 | // REQUIRES: stable-runtime |
6 | #include <stdlib.h> |
7 | #include <stdio.h> |
8 | |
9 | template <int depth> |
10 | struct DeepFree { |
11 | static void free(char *x) { |
12 | DeepFree<depth - 1>::free(x); |
13 | } |
14 | }; |
15 | |
16 | template<> |
17 | struct DeepFree<0> { |
18 | static void free(char *x) { |
19 | ::free(ptr: x); |
20 | } |
21 | }; |
22 | |
23 | int main() { |
24 | char *x = (char*)malloc(size: 10); |
25 | // deep_free(x); |
26 | DeepFree<200>::free(x); |
27 | return x[5]; |
28 | // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} |
29 | // The libcxxrt demangling procedure on FreeBSD 9.2 incorrectly appends |
30 | // extra 'E' characters to the end of template arguments; see: |
31 | // https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192115 |
32 | // CHECK: {{DeepFree<36>|DeepFree<36E>}} |
33 | // CHECK: {{DeepFree<98>|DeepFree<98E>}} |
34 | // CHECK: {{DeepFree<115>|DeepFree<115E>}} |
35 | } |
36 | |