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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 5F4CCC10F0E for ; Fri, 12 Apr 2019 13:01:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3300520818 for ; Fri, 12 Apr 2019 13:01:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727208AbfDLNBL (ORCPT ); Fri, 12 Apr 2019 09:01:11 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:40479 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726327AbfDLNBL (ORCPT ); Fri, 12 Apr 2019 09:01:11 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 66AC880588; Fri, 12 Apr 2019 15:01:00 +0200 (CEST) Date: Fri, 12 Apr 2019 15:01:12 +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, 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: <20190412130112.GA8384@amd> References: <000000000000f70a0e0571ad8ffb@google.com> <0000000000007b03eb058653caea@google.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ZGiS0Q5IWpPtfppv" Content-Disposition: inline In-Reply-To: <0000000000007b03eb058653caea@google.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --ZGiS0Q5IWpPtfppv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri 2019-04-12 04:42:01, syzbot wrote: > syzbot has bisected this bug to: >=20 > commit c68729119f4d2993bec3c9cb999ad76de5aeddba > Author: Julia Lawall > Date: Sat Jul 15 09:58:19 2017 +0000 >=20 > leds: tlc591xx: add missing of_node_put >=20 > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D12cda0f320= 0000 > start commit: 23203e3f Merge branch 'akpm' (patches from Andrew) > git tree: upstream > final crash: https://syzkaller.appspot.com/x/report.txt?x=3D11cda0f320= 0000 > console output: https://syzkaller.appspot.com/x/log.txt?x=3D16cda0f3200000 > kernel config: https://syzkaller.appspot.com/x/.config?x=3D861a3573f4e78= ba1 > dashboard link: https://syzkaller.appspot.com/bug?extid=3De1a4f80c370d238= 1e49f > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D17836d15400= 000 >=20 > Reported-by: syzbot+e1a4f80c370d2381e49f@syzkaller.appspotmail.com > Fixes: c68729119f4d ("leds: tlc591xx: add missing of_node_put") >=20 > For information about bisection process see: https://goo.gl/tpsmEJ#bisect= ion Can you revert c68729119f4d2993bec3c9cb999ad76de5aeddba on master and see if it fixes the problem? Because this is hard to believe... Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --ZGiS0Q5IWpPtfppv Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlywjBgACgkQMOfwapXb+vLWKQCguQoG3ggo+j1BZ6gDxlNIyFgh uvMAn1kVU1QNLZLQ6Y/kjmli9sytwygW =BnKA -----END PGP SIGNATURE----- --ZGiS0Q5IWpPtfppv--