| // REQUIRES: x86_64-target-arch |
| // RUN: %clangxx_asan %s -o %t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| #include <sanitizer/common_interface_defs.h> |
| #include <sched.h> |
| #include <unistd.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| int main() { |
| __sanitizer_sandbox_arguments args = {0}; |
| // should cache /proc/self/maps |
| __sanitizer_sandbox_on_notify(&args); |
| |
| if (unshare(CLONE_NEWUSER)) { |
| printf("unshare failed\n"); |
| return 1; |
| } |
| |
| // remove access to /proc/self/maps |
| if (chroot("/tmp")) { |
| printf("chroot failed\n"); |
| return 2; |
| } |
| |
| *(volatile int*)0x42 = 0; |
| // CHECK-NOT: CHECK failed |
| } |
