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=120:redzone=512 not %run %t 2>&1 | FileCheck %s
5 // XFAIL: arm-linux-gnueabi
6 // XFAIL: armv7l-unknown-linux-gnueabihf
7 #include <stdlib.h>
8 #include <stdio.h>
9
10 template <int depth>
11 struct DeepFree {
freeDeepFree12 static void free(char *x) {
13 DeepFree<depth - 1>::free(x);
14 }
15 };
16
17 template<>
18 struct DeepFree<0> {
freeDeepFree19 static void free(char *x) {
20 ::free(x);
21 }
22 };
23
main()24 int main() {
25 char *x = (char*)malloc(10);
26 // deep_free(x);
27 DeepFree<200>::free(x);
28 return x[5];
29 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
30 // The libcxxrt demangling procedure on FreeBSD 9.2 incorrectly appends
31 // extra 'E' characters to the end of template arguments; see:
32 // https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192115
33 // CHECK: {{DeepFree<36>|DeepFree<36E>}}
34 // CHECK: {{DeepFree<98>|DeepFree<98E>}}
35 // CHECK: {{DeepFree<115>|DeepFree<115E>}}
36 }
37