File: longjmp.cpp

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (21 lines) | stat: -rw-r--r-- 609 bytes parent folder | download | duplicates (29) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
// RUN: %clangxx_asan -fsanitize-address-use-after-return=never -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));
  assert(!__asan_address_is_poisoned(x + 32));
}