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From: Peter Zijlstra <peterz@infradead.org>
To: syzbot 
	<bot+2af19c9e1ffe4d4ee1d16c56ae7580feaee75765@syzkaller.appspotmail.com>
Cc: dvhart@infradead.org, linux-kernel@vger.kernel.org,
	mingo@redhat.com, syzkaller-bugs@googlegroups.com,
	tglx@linutronix.de
Subject: Re: WARNING in get_pi_state
Date: Tue, 31 Oct 2017 09:36:44 +0100	[thread overview]
Message-ID: <20171031083644.2svprv6ax7ask5lg@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <001a113a67502e70f4055cc8dc92@google.com>

On Mon, Oct 30, 2017 at 12:44:00PM -0700, syzbot wrote:
> WARNING: CPU: 1 PID: 24353 at kernel/futex.c:818 get_pi_state+0x15b/0x190
> kernel/futex.c:818

>  exit_pi_state_list+0x556/0x7a0 kernel/futex.c:932
>  mm_release+0x46d/0x590 kernel/fork.c:1191
>  exit_mm kernel/exit.c:499 [inline]
>  do_exit+0x481/0x1b00 kernel/exit.c:852
>  SYSC_exit kernel/exit.c:937 [inline]
>  SyS_exit+0x22/0x30 kernel/exit.c:935
>  entry_SYSCALL_64_fastpath+0x1f/0xbe


Argh, I definitely messed that up. Let me have a prod..

  parent reply	other threads:[~2017-10-31  8:36 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-30 19:44 WARNING in get_pi_state syzbot
2017-10-30 19:53 ` Dmitry Vyukov
2017-10-31  8:36 ` Peter Zijlstra [this message]
2017-10-31 10:18   ` Peter Zijlstra
2017-10-31 10:31     ` Peter Zijlstra
2017-10-31 10:38       ` Peter Zijlstra
2017-11-01  8:45         ` Peter Zijlstra
2017-11-07 16:16         ` Dmitry Vyukov
2017-10-31 12:06     ` [tip:core/urgent] futex: Fix more put_pi_state() vs. exit_pi_state_list() races tip-bot for Peter Zijlstra
2017-10-31 22:11       ` Thomas Gleixner
2017-11-01  8:05         ` Ingo Molnar
2017-11-01  8:09     ` tip-bot for Peter Zijlstra
2017-10-31  9:16 ` WARNING in get_pi_state Peter Zijlstra
2017-10-31  9:29   ` Dmitry Vyukov
2017-10-31 10:08     ` Peter Zijlstra
2017-10-31 10:21       ` Dmitry Vyukov
2017-10-31 10:23         ` Dmitry Vyukov
2017-10-31 10:36           ` Peter Zijlstra
2017-11-07 14:50       ` Dmitry Vyukov

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