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=-9.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 B17F8C433E1 for ; Thu, 23 Jul 2020 22:20:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92331207C4 for ; Thu, 23 Jul 2020 22:20:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727045AbgGWWU1 (ORCPT ); Thu, 23 Jul 2020 18:20:27 -0400 Received: from mga05.intel.com ([192.55.52.43]:35839 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726436AbgGWWU0 (ORCPT ); Thu, 23 Jul 2020 18:20:26 -0400 IronPort-SDR: t4OO8tqPfFYciiZuw1MIksYkpFU3i/ZXYf7aRuTzcPjCCZBjZFpf0q3aMF8WO2oHxiid77Tyeg sAb4nUaV0+kQ== X-IronPort-AV: E=McAfee;i="6000,8403,9691"; a="235507883" X-IronPort-AV: E=Sophos;i="5.75,388,1589266800"; d="scan'208";a="235507883" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jul 2020 15:20:25 -0700 IronPort-SDR: yU7OE+rmgHw4khpoV1uJpTIgloiygbWArkgqlvE0P1BFb7MbmA2T43gtMfduXZR7tMZMrZHO2d S0nJLK4emQ0Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,388,1589266800"; d="scan'208";a="327149689" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by FMSMGA003.fm.intel.com with ESMTP; 23 Jul 2020 15:20:22 -0700 Received: from andy by smile with local (Exim 4.94) (envelope-from ) id 1jyjZd-003i9Q-IK; Fri, 24 Jul 2020 01:20:21 +0300 Date: Fri, 24 Jul 2020 01:20:21 +0300 From: Andy Shevchenko To: syzbot Cc: andy@greyhouse.net, andy@infradead.org, arnd@arndb.de, davem@davemloft.net, dvhart@infradead.org, gregkh@linuxfoundation.org, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, peterz@infradead.org, platform-driver-x86@vger.kernel.org, skunberg.kelsey@gmail.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vfalico@gmail.com Subject: Re: kernel BUG at net/core/dev.c:LINE! (3) Message-ID: <20200723222021.GY3703480@smile.fi.intel.com> References: <000000000000ba65ba05a2fd48d9@google.com> <000000000000467ece05ab223d81@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000467ece05ab223d81@google.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 23, 2020 at 02:07:08PM -0700, syzbot wrote: > syzbot has bisected this issue to: > > commit 5a707af10da95a53a55011a612e69063491020d4 > Author: Andy Shevchenko > Date: Fri Apr 21 13:36:06 2017 +0000 > > platform/x86: wmi: Describe function parameters Seems like random commit for known problem. > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14a9ad40900000 > start commit: 994e99a9 Merge tag 'platform-drivers-x86-v5.8-2' of git://.. > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=16a9ad40900000 > console output: https://syzkaller.appspot.com/x/log.txt?x=12a9ad40900000 > kernel config: https://syzkaller.appspot.com/x/.config?x=e944500a36bc4d55 > dashboard link: https://syzkaller.appspot.com/bug?extid=af23e7f3e0a7e10c8b67 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12ea63cf100000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14afdb9f100000 > > Reported-by: syzbot+af23e7f3e0a7e10c8b67@syzkaller.appspotmail.com > Fixes: 5a707af10da9 ("platform/x86: wmi: Describe function parameters") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection -- With Best Regards, Andy Shevchenko