Re: Kernel crash in free_pipe_info()

From: Cong Wang
Date: Fri Nov 10 2017 - 14:16:59 EST


Hi, Simon

On Thu, Nov 9, 2017 at 10:07 PM, Simon Brewer <sbrunau@xxxxxxxxx> 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!