| 1 | // REQUIRES: x86_64-target-arch |
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| 2 | // RUN: %clangxx_asan %s -o %t |
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| 3 | // RUN: not %run %t 2>&1 | FileCheck %s |
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| 4 | #include <sanitizer/common_interface_defs.h> |
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| 5 | #include <sched.h> |
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| 6 | #include <unistd.h> |
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| 7 | #include <stdio.h> |
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| 8 | #include <stdlib.h> |
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| 9 | |
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| 10 | int main() { |
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| 11 | __sanitizer_sandbox_arguments args = {.coverage_sandboxed: 0}; |
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| 12 | // should cache /proc/self/maps |
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| 13 | __sanitizer_sandbox_on_notify(args: &args); |
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| 14 | |
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| 15 | if (unshare(CLONE_NEWUSER)) { |
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| 16 | printf(format: "unshare failed\n" ); |
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| 17 | return 1; |
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| 18 | } |
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| 19 | |
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| 20 | // remove access to /proc/self/maps |
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| 21 | if (chroot(path: "/tmp" )) { |
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| 22 | printf(format: "chroot failed\n" ); |
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| 23 | return 2; |
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| 24 | } |
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| 25 | |
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| 26 | *(volatile int*)0x42 = 0; |
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| 27 | // CHECK-NOT: CHECK failed |
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| 28 | } |
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| 29 | |
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