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Date:   Fri, 17 Jul 2020 13:12:03 +0200
From:   Christian Brauner <christian.brauner@...ntu.com>
To:     Jiri Slaby <jirislaby@...nel.org>
Cc:     Oleg Nesterov <oleg@...hat.com>, christian@...uner.io,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: 5.8-rc*: kernel BUG at kernel/signal.c:1917

On Fri, Jul 17, 2020 at 01:04:38PM +0200, Jiri Slaby wrote:
> On 17. 07. 20, 12:45, Jiri Slaby wrote:
> > Hi,
> > 
> > the strace testsuite triggers this on 5.8-rc4 and -rc5 both on x86_64
> > and i586:
> 
> make check needs -jsomething, running is sequentially (-j1) doesn't
> trigger it. After the error, I cannot run anything. Like ps to find out
> what test caused the crash...
> 
> 5.7 was fine.

Can you try and reproduce with

commit e91b48162332480f5840902268108bb7fb7a44c7
Author: Oleg Nesterov <oleg@...hat.com>
Date:   Tue Jun 30 17:32:54 2020 +0200

    task_work: teach task_work_add() to do signal_wake_up()

reverted, please?

Thanks!
Christian

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