You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
579 B
21 lines
579 B
// Check that __asan_poison_memory_region works.
|
|
// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
|
|
//
|
|
// Check that we can disable it
|
|
// RUN: %env_asan_opts=allow_user_poisoning=0 %run %t
|
|
|
|
#include <stdlib.h>
|
|
|
|
extern "C" void __asan_poison_memory_region(void *, size_t);
|
|
|
|
int main(int argc, char **argv) {
|
|
char *x = new char[16];
|
|
x[10] = 0;
|
|
__asan_poison_memory_region(x, 16);
|
|
int res = x[argc * 10]; // BOOOM
|
|
// CHECK: ERROR: AddressSanitizer: use-after-poison
|
|
// CHECK: main{{.*}}use-after-poison.cpp:[[@LINE-2]]
|
|
delete [] x;
|
|
return res;
|
|
}
|