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_OPTIONS=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 10template <int depth> 11struct DeepFree { 12 static void free(char *x) { 13 DeepFree<depth - 1>::free(x); 14 } 15}; 16 17template<> 18struct DeepFree<0> { 19 static void free(char *x) { 20 ::free(x); 21 } 22}; 23 24int 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