• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // In a non-forking sandbox, we fallback to dladdr(). Test that we provide
2 // properly demangled C++ names in that case.
3 
4 // RUN: %clangxx_asan -O0 %s -o %t
5 // RUN: not %run %t 2>&1 | FileCheck %s
6 // 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-DLADDR
7 
8 #include <stdlib.h>
9 
10 class MyClass {
11  public:
my_function(int n)12   int my_function(int n) {
13     char *x = (char*)malloc(n * sizeof(char));
14     free(x);
15     return x[5];
16     // CHECK-DLADDR: Using dladdr symbolizer
17     // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
18     // CHECK: {{READ of size 1 at 0x.* thread T0}}
19     // CHECK-DLADDR: failed to fork
20     // CHECK: {{    #0 0x.* in MyClass::my_function\(int\)}}
21     // CHECK: {{freed by thread T0 here:}}
22     // CHECK: {{    #0 0x.* in wrap_free}}
23     // CHECK: {{    #1 0x.* in MyClass::my_function\(int\)}}
24     // CHECK: {{previously allocated by thread T0 here:}}
25     // CHECK: {{    #0 0x.* in wrap_malloc}}
26     // CHECK: {{    #1 0x.* in MyClass::my_function\(int\)}}
27   }
28 };
29 
main()30 int main() {
31   MyClass o;
32   return o.my_function(10);
33 }
34