37 lines · cpp
1// In a non-forking sandbox, we fallback to dladdr(). Test that we provide2// properly demangled C++ names in that case.3 4// RUN: %clangxx_asan -O0 %s -o %t5// RUN: not %run %t 2>&1 | FileCheck %s6// RUN: %env_asan_opts=verbosity=2 not %run sandbox-exec -p '(version 1)(allow default)(deny process-fork)' %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DLADDR7 8// sandbox-exec isn't available on iOS9// UNSUPPORTED: ios10 11#include <stdlib.h>12 13class MyClass {14 public:15 int my_function(int n) {16 char *x = (char*)malloc(n * sizeof(char));17 free(x);18 return x[5];19 // CHECK-DLADDR: Using dladdr symbolizer20 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}21 // CHECK: {{READ of size 1 at 0x.* thread T0}}22 // CHECK-DLADDR: failed to spawn external symbolizer23 // CHECK: {{ #0 0x.* in MyClass::my_function\(int\)}}24 // CHECK: {{freed by thread T0 here:}}25 // CHECK: {{ #0 0x.* in free}}26 // CHECK: {{ #1 0x.* in MyClass::my_function\(int\)}}27 // CHECK: {{previously allocated by thread T0 here:}}28 // CHECK: {{ #0 0x.* in malloc}}29 // CHECK: {{ #1 0x.* in MyClass::my_function\(int\)}}30 }31};32 33int main() {34 MyClass o;35 return o.my_function(10);36}37