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Date:   Fri, 12 Apr 2019 09:25:43 -0600
From:   Tycho Andersen <>
To:     Kees Cook <>
Cc:     Shuah Khan <>,,
Subject: Re: [PATCH] selftests/seccomp: Handle namespace failures gracefully

On Thu, Apr 11, 2019 at 04:56:31PM -0700, Kees Cook wrote:
> When running without USERNS or PIDNS the seccomp test would hang since
> it was waiting forever for the child to trigger the user notification
> since it seems the glibc() abort handler makes a call to getpid(),
> which would trap again. This changes the getpid filter to getppid, and
> makes sure ASSERTs execute to stop from spawning the listener.
> Reported-by: Shuah Khan <>
> Fixes: 6a21cc50f0c7 ("seccomp: add a return code to trap to userspace")
> Signed-off-by: Kees Cook <>

Sorry for the delay, thanks for looking at this!

Reviewed-by: Tycho Andersen <>

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