longjmp.cpp
765 Bytes
// RUN: %clangxx_asan -O %s -o %t && %run %t
#include <assert.h>
#include <setjmp.h>
#include <stdio.h>
#include <sanitizer/asan_interface.h>
static jmp_buf buf;
int main() {
char x[32];
fprintf(stderr, "\nTestLongJmp\n");
fprintf(stderr, "Before: %p poisoned: %d\n", &x,
__asan_address_is_poisoned(x + 32));
assert(__asan_address_is_poisoned(x + 32));
if (0 == setjmp(buf))
longjmp(buf, 1);
fprintf(stderr, "After: %p poisoned: %d\n", &x,
__asan_address_is_poisoned(x + 32));
// FIXME: Invert this assertion once we fix
// https://code.google.com/p/address-sanitizer/issues/detail?id=258
// This assertion works only w/o UAR.
if (!__asan_get_current_fake_stack())
assert(!__asan_address_is_poisoned(x + 32));
}