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From: "rickyz at chromium dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/15392] Linux, setns, PID namespaces, fork: assert() about pid inequality hit sporadically
Date: Fri, 14 Nov 2014 22:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=15392

Ricky Zhou <rickyz at chromium dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |rickyz at chromium dot org

--- Comment #2 from Ricky Zhou <rickyz at chromium dot org> ---
Created attachment 7938
  --> https://sourceware.org/bugzilla/attachment.cgi?id=7938&action=edit
Double unshare CLONE_NEWPID example

I've run into this assertion as well. I've attached a small test program that
trips it using unshare(CLONE_NEWPID). In this case, the issue is that the
parent process has pid 1 inside its pid namespace, but since the child is
created in a new pid namespace, it also has pid 1.

Will try to send a patch to get rid of the assert.

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