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Date:   Wed, 13 Dec 2017 07:29:14 -0800
From:   Tejun Heo <tj@...nel.org>
To:     Laura Abbott <labbott@...hat.com>
Cc:     Zefan Li <lizefan@...wei.com>, linux-kernel@...r.kernel.org,
        regressions@...mhuis.info
Subject: Re: Crash in cgroup_procs_show

Hello, Laura.

On Tue, Dec 12, 2017 at 04:38:33PM -0800, Laura Abbott wrote:
> Hi,
> 
> Fedora got a bug report on 4.14.4 of a crash on
> reboot https://bugzilla.redhat.com/show_bug.cgi?id=1525279
> 
>  BUG: unable to handle kernel NULL pointer dereference at 0000000000000254
>  IP: __task_pid_nr_ns+0xc7/0xf0

Any chance you can map this back to the source line with addr2line?

Thanks.

-- 
tejun

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