1 // Check that we can store lots of stack frames if asked to.
2
3 // RUN: %clangxx_asan -m64 -O0 %s -o %t 2>&1
4 // RUN: ASAN_OPTIONS=malloc_context_size=120:redzone=512 %t 2>&1 | \
5 // RUN: %symbolize | FileCheck %s
6
7 // RUN: %clangxx_asan -m32 -O0 %s -o %t 2>&1
8 // RUN: ASAN_OPTIONS=malloc_context_size=120:redzone=512 %t 2>&1 | \
9 // RUN: %symbolize | FileCheck %s
10 #include <stdlib.h>
11 #include <stdio.h>
12
13 template <int depth>
14 struct DeepFree {
freeDeepFree15 static void free(char *x) {
16 DeepFree<depth - 1>::free(x);
17 }
18 };
19
20 template<>
21 struct DeepFree<0> {
freeDeepFree22 static void free(char *x) {
23 ::free(x);
24 }
25 };
26
main()27 int main() {
28 char *x = (char*)malloc(10);
29 // deep_free(x);
30 DeepFree<200>::free(x);
31 return x[5];
32 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
33 // CHECK: DeepFree<36>
34 // CHECK: DeepFree<98>
35 // CHECK: DeepFree<115>
36 }
37