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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 01C9DC43381 for ; Tue, 12 Mar 2019 08:57:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CDE21214AE for ; Tue, 12 Mar 2019 08:57:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727500AbfCLI5C (ORCPT ); Tue, 12 Mar 2019 04:57:02 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:56858 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726932AbfCLI5B (ORCPT ); Tue, 12 Mar 2019 04:57:01 -0400 Received: by mail-io1-f72.google.com with SMTP id e1so1251534iod.23 for ; Tue, 12 Mar 2019 01:57:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=zABCvLzwKBtQ5YERvb5D0oYfBZaKLzYYuJoXx1uIEFc=; b=UY/dNtuvaD0WzcpQ9QJTM7slMbOT4AboWszgjo7nH7v6H0ruJeGYUHWiyMkGVETb1Z 5Qo8LLGcdUg6nE8JQSH/G42INgjQEo8VV2r/A3mjrx7x7v/TSUer2BWGLvaTXV99uTim A3ohiSasjz1MftQ4nW5SaFiha6kH71+dJdQgU6daixe0pM6itwX6kdr/e+ycVY5uOXOQ pyDIxVnRPPSs0TZlkiW670JkBHGsDWSW0HzFGBL9L4PL921tEDmaaVnB9Z8IKoC8aOkx UvSaFbFkyDt93Cen+2gHcntpOCKPnDHRVTUeXymOMqcEtHkYi6rM0lVZ3NS9uHjC7eOW 3Izg== X-Gm-Message-State: APjAAAVJTdo9z4/Kcx9MmH9jVLVV8YhoKzGOUGngp7zAwV7UDSMpzV/9 TElFTwivhXyebesSj0ZCLfZjwzHQ0egvV51FzYvFdUA8vWAc X-Google-Smtp-Source: APXvYqxT11vQtmaQ8rPeYfnws2sGLw1twNgVfZiI77NFg+AMRVn6ETEYm221Q85lEoZ3s7NGjtUqlJKmBbEJ4ShXKRHXB5i5xZRF MIME-Version: 1.0 X-Received: by 2002:a24:29c5:: with SMTP id p188mr1308818itp.4.1552381020794; Tue, 12 Mar 2019 01:57:00 -0700 (PDT) Date: Tue, 12 Mar 2019 01:57:00 -0700 In-Reply-To: <0000000000009f94c1057e772431@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004cfa120583e1dfc3@google.com> Subject: Re: WARNING in hsr_forward_skb From: syzbot To: arvid.brodin@alten.se, axboe@fb.com, axboe@kernel.dk, davem@davemloft.net, hch@lst.de, linux-block@vger.kernel.org, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit ab42f35d9cb5ac49b5a2a11f940e74f58f207280 Author: Ming Lei Date: Fri May 26 11:53:19 2017 +0000 blk-mq: merge bio into sw queue before plugging bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16e68713200000 start commit: ab42f35d blk-mq: merge bio into sw queue before plugging git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=15e68713200000 console output: https://syzkaller.appspot.com/x/log.txt?x=11e68713200000 kernel config: https://syzkaller.appspot.com/x/.config?x=5e7dc790609552d7 dashboard link: https://syzkaller.appspot.com/bug?extid=fdce8f2a8903f3ba0e6b userspace arch: amd64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15f6d1fd400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17290fdd400000 Reported-by: syzbot+fdce8f2a8903f3ba0e6b@syzkaller.appspotmail.com Fixes: ab42f35d ("blk-mq: merge bio into sw queue before plugging")