| 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 | |