[compiler-rt] r354402 - [msan] Fix name_to_handle_at test on overlayfs.

[Hans Wennborg via llvm-commits]

Merged to release_80 in r354460.

On Wed, Feb 20, 2019 at 12:41 AM Evgeniy Stepanov via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
>
> Author: eugenis
> Date: Tue Feb 19 15:41:42 2019
> New Revision: 354402
>
> URL: http://llvm.org/viewvc/llvm-project?rev=354402&view=rev
> Log:
> [msan] Fix name_to_handle_at test on overlayfs.
>
> Udev supports name_to_handle_at. Use /dev/null instead of /bin/cat.
>
> Modified:
>     compiler-rt/trunk/test/msan/Linux/name_to_handle_at.cc
>
> Modified: compiler-rt/trunk/test/msan/Linux/name_to_handle_at.cc
> URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/msan/Linux/name_to_handle_at.cc?rev=354402&r1=354401&r2=354402&view=diff
> ==============================================================================
> --- compiler-rt/trunk/test/msan/Linux/name_to_handle_at.cc (original)
> +++ compiler-rt/trunk/test/msan/Linux/name_to_handle_at.cc Tue Feb 19 15:41:42 2019
> @@ -14,7 +14,7 @@ int main(void) {
>    handle->handle_bytes = MAX_HANDLE_SZ;
>
>    int mount_id;
> -  int res = name_to_handle_at(AT_FDCWD, "/bin/cat", handle, &mount_id, 0);
> +  int res = name_to_handle_at(AT_FDCWD, "/dev/null", handle, &mount_id, 0);
>    assert(!res);
>    __msan_check_mem_is_initialized(&mount_id, sizeof(mount_id));
>    __msan_check_mem_is_initialized(&handle->handle_bytes,
>
>
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