From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD6D3C32750 for ; Tue, 13 Aug 2019 11:31:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FF3020673 for ; Tue, 13 Aug 2019 11:31:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726298AbfHMLb5 (ORCPT ); Tue, 13 Aug 2019 07:31:57 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:54617 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725981AbfHMLb5 (ORCPT ); Tue, 13 Aug 2019 07:31:57 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 39BDF8073E; Tue, 13 Aug 2019 13:31:42 +0200 (CEST) Date: Tue, 13 Aug 2019 13:31:54 +0200 From: Pavel Machek To: syzbot 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 Message-ID: <20190813113154.GA8420@amd> References: <000000000000f70a0e0571ad8ffb@google.com> <000000000000c3fe1b058ffd7c99@google.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="+HP7ph2BbKc20aGI" Content-Disposition: inline In-Reply-To: <000000000000c3fe1b058ffd7c99@google.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-leds-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org --+HP7ph2BbKc20aGI Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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=3D16130d4a600000 > kernel config: https://syzkaller.appspot.com/x/.config?x=3D3d7eaed8496da= 4da > dashboard link: https://syzkaller.appspot.com/bug?extid=3De1a4f80c370d238= 1e49f > compiler: clang version 9.0.0 (/home/glider/llvm/clang > 80fee25776c2fb61e74c1ecb1a523375c2500b69) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D131f8e0e600= 000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D10e1a1ee600000 >=20 > The bug was bisected to: >=20 > commit c68729119f4d2993bec3c9cb999ad76de5aeddba > Author: Julia Lawall > Date: Sat Jul 15 09:58:19 2017 +0000 >=20 > 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 =09 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --+HP7ph2BbKc20aGI Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAl1Sn6oACgkQMOfwapXb+vI4QwCgoymvNRbg/fcRXs34awljQPfa GAwAnRWHuMB93tZPDz5C4dE+LjyU11lj =Llkh -----END PGP SIGNATURE----- --+HP7ph2BbKc20aGI--