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 { freeDeepFree11 static void free(char *x) { 12 DeepFree<depth - 1>::free(x); 13 } 14 }; 15 16 template<> 17 struct DeepFree<0> { freeDeepFree18 static void free(char *x) { 19 ::free(x); 20 } 21 }; 22 main()23int main() { 24 char *x = (char*)malloc(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