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From: Cong Wang <xiyou.wangcong@gmail.com>
To: Simon Brewer <sbrunau@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: Kernel crash in free_pipe_info()
Date: Fri, 10 Nov 2017 11:16:34 -0800	[thread overview]
Message-ID: <CAM_iQpVKwMHkAQ_vOfNJnxWzf1EQC-QgiWOGZNjMjjuEuCAhhw@mail.gmail.com> (raw)
In-Reply-To: <CAEeGbKME2ngYXZOFbPxjCkwu-hsooZZ4J3iHapgAZrFm3+AsMA@mail.gmail.com>

Hi, Simon

On Thu, Nov 9, 2017 at 10:07 PM, Simon Brewer <sbrunau@gmail.com> wrote:
> This looks familiar...
>
> https://github.com/moby/moby/issues/34472
>
> From the bug report:
> "In particular, it looks like either docker-containerd or
> docker-containerd-shim (the log is cut off) has a pipe open that is
> causing a kernel BUG when attempting to kill the process. Fun times."

Yeah, looks nearly the same.

If you know how to reproduce it reliably, that would help a lot.

Also, as suggested by Linus, turning on slub debug would also help.
Or enable kdump to get a core dump.

Thanks!

  reply	other threads:[~2017-11-10 19:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-30 20:58 Kernel crash in free_pipe_info() Cong Wang
2017-10-30 22:14 ` Linus Torvalds
2017-10-30 22:26   ` Linus Torvalds
2017-10-31  1:19     ` Cong Wang
2017-10-31  2:08       ` Linus Torvalds
2017-10-31  3:06         ` Linus Torvalds
2017-10-31  5:00           ` Al Viro
2017-10-31  4:44         ` Al Viro
2017-10-31 19:00           ` Linus Torvalds
2017-11-01  3:19         ` Cong Wang
2017-11-10  6:07           ` Simon Brewer
2017-11-10 19:16             ` Cong Wang [this message]
2017-11-10 19:47             ` Linus Torvalds
2017-10-31  1:28   ` Cong Wang

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