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From: Pavel Machek <pavel@ucw.cz>
To: syzbot <syzbot+e1a4f80c370d2381e49f@syzkaller.appspotmail.com>
Cc: Julia.Lawall@lip6.fr, bp@alien8.de, dan.j.williams@intel.com,
	dave.hansen@linux.intel.com, dave.jiang@intel.com,
	dvyukov@google.com, haozhong.zhang@intel.com, hpa@zytor.com,
	jacek.anaszewski@gmail.com, linux-kernel@vger.kernel.org,
	linux-leds@vger.kernel.org, luto@kernel.org, mingo@redhat.com,
	pbonzini@redhat.com, peterz@infradead.org, rkrcmar@redhat.com,
	rpurdie@rpsys.net, syzkaller-bugs@googlegroups.com,
	tglx@linutronix.de, x86@kernel.org
Subject: Re: WARNING in untrack_pfn
Date: Tue, 13 Aug 2019 13:31:54 +0200	[thread overview]
Message-ID: <20190813113154.GA8420@amd> (raw)
In-Reply-To: <000000000000c3fe1b058ffd7c99@google.com>

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On Tue 2019-08-13 03:56:06, syzbot wrote:
> syzbot has found a reproducer for the following crash on:

Unsigned emails are ugly. Could the "From: " be modified to include
name of responsible person?

> HEAD commit:    d45331b0 Linux 5.3-rc4
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=16130d4a600000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3d7eaed8496da4da
> dashboard link: https://syzkaller.appspot.com/bug?extid=e1a4f80c370d2381e49f
> compiler:       clang version 9.0.0 (/home/glider/llvm/clang
> 80fee25776c2fb61e74c1ecb1a523375c2500b69)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=131f8e0e600000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10e1a1ee600000
> 
> The bug was bisected to:
> 
> commit c68729119f4d2993bec3c9cb999ad76de5aeddba
> Author: Julia Lawall <Julia.Lawall@lip6.fr>
> Date:   Sat Jul 15 09:58:19 2017 +0000
> 
>     leds: tlc591xx: add missing of_node_put

And this looks like mistake. I don't think this commit is causing the
crash. Can you somehow verify?

								Pavel
								
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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      reply	other threads:[~2019-08-13 11:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <000000000000f70a0e0571ad8ffb@google.com>
2019-04-12 11:42 ` WARNING in untrack_pfn syzbot
2019-04-12 13:01   ` Pavel Machek
2019-04-12 13:21     ` Julia Lawall
2019-05-08 12:37       ` Dmitry Vyukov
2019-08-13 10:56 ` syzbot
2019-08-13 11:31   ` Pavel Machek [this message]

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