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From: Christian Brauner <christian.brauner@ubuntu.com>
To: Jiri Slaby <jirislaby@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>,
	christian@brauner.io, "Eric W. Biederman" <ebiederm@xmission.com>,
	Linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: 5.8-rc*: kernel BUG at kernel/signal.c:1917
Date: Fri, 17 Jul 2020 13:12:03 +0200	[thread overview]
Message-ID: <20200717111203.f32s7r5vdvdn535u@wittgenstein> (raw)
In-Reply-To: <5a8c4c38-7aeb-981a-8d3b-a7a5c8ca5564@kernel.org>

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@redhat.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

  reply	other threads:[~2020-07-17 11:12 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-17 10:45 Jiri Slaby
2020-07-17 11:04 ` Jiri Slaby
2020-07-17 11:12   ` Christian Brauner [this message]
2020-07-18 13:05     ` Jiri Slaby
2020-07-17 12:26   ` Oleg Nesterov
2020-07-17 12:40     ` Oleg Nesterov
2020-07-18 12:28       ` Jiri Slaby
2020-07-18 17:14         ` Oleg Nesterov
2020-07-18 17:44           ` Christian Brauner
2020-07-20  5:44             ` Jiri Slaby
2020-07-20  6:43               ` Oleg Nesterov
2020-07-20  8:26                 ` Oleg Nesterov
2020-07-20  8:41                   ` Peter Zijlstra
2020-07-20 10:59                     ` peterz
2020-07-20 11:26                       ` peterz
2020-07-20 11:40                         ` Jiri Slaby
2020-07-20 12:20                         ` Valentin Schneider
2020-07-20 13:17                           ` peterz
2020-07-20 14:26                             ` Valentin Schneider
2020-07-20 12:57                         ` Christian Brauner
2020-07-20 14:05                         ` peterz
2020-07-20 14:02                       ` Oleg Nesterov
2020-07-20 14:21                         ` Peter Zijlstra
2020-07-20 14:39                           ` Oleg Nesterov
2020-07-20 15:35                             ` Oleg Nesterov
2020-07-20 15:38                               ` Peter Zijlstra
2020-07-21  4:52                           ` Paul Gortmaker
2020-07-21  8:37                             ` peterz
2020-07-21 12:13                               ` [PATCH] sched: Fix race against ptrace_freeze_trace() peterz
2020-07-21 14:29                                 ` Christian Brauner
2020-07-21 15:38                                 ` Oleg Nesterov
2020-07-21  9:14                           ` 5.8-rc*: kernel BUG at kernel/signal.c:1917 Valentin Schneider
     [not found]           ` <20200719072726.5892-1-hdanton@sina.com>
2020-07-19 18:23             ` Oleg Nesterov
2020-07-20  6:00           ` Jiri Slaby
2020-07-20  6:56             ` Oleg Nesterov

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