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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 D1BB3C433E0 for ; Fri, 19 Feb 2021 20:25:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8DBCD64EB8 for ; Fri, 19 Feb 2021 20:25:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229802AbhBSUZw (ORCPT ); Fri, 19 Feb 2021 15:25:52 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:36900 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229649AbhBSUZt (ORCPT ); Fri, 19 Feb 2021 15:25:49 -0500 Received: by mail-io1-f71.google.com with SMTP id q10so4630005ion.4 for ; Fri, 19 Feb 2021 12:25:34 -0800 (PST) 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=hjZbSKSdJoVbeXQb2cKTUlfTuBF1xCsCTBC7HaDhAqc=; b=HpfTdAsmkJ9wVYUpRspoH/eAVmJd3xerobTNzpHz30BYq19fpf7h9kF+5hKH3hTbXS IgE2pCic6Nqnu8r7kD71r7O3U/AH5TWD8bxTdn4xaqOEPDENsG7WrtaGbqt4kZ1ud23i vzdJuf6A6m59jUiHTNQDYHp7qPCJ9H5QYPLsiHI1ipTa9LJqMFd3HIhRhRkmXBHel3N+ tHaOh/DkqTtXPuQFptTfrakuEE4uHW2HS9lo/6AcUSqPHL6CVddSqX7VaOwFJkvXd6ZD H59b88EAqn4jRNXtRxxoujbJzZg77z7aYiONjH2qthLEdOrO2km9aO0FQfEfoVLDtvui 6mjA== X-Gm-Message-State: AOAM532DS0ky6C5YWlKqGUix5pEuEexOzRXSOF5GDOnl9djFWHv5MoaE HNKfuoYkLo5R7fh1xtpk81GymJA5T4Clnjk2+gbpfA1quEQC X-Google-Smtp-Source: ABdhPJzaNZrVsv/ryRJA4dYhFRa7Wl7b8vkqC9i7fTKA8LG8K0bIRf6d4VRk5Ctco+HNQXG4iijusTwsrvVnvfJWIrj+T4KamXcH MIME-Version: 1.0 X-Received: by 2002:a05:6602:2d0d:: with SMTP id c13mr5543282iow.51.1613766308788; Fri, 19 Feb 2021 12:25:08 -0800 (PST) Date: Fri, 19 Feb 2021 12:25:08 -0800 In-Reply-To: <000000000000e29ec405bb8b9251@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000096022805bbb63f35@google.com> Subject: Re: general protection fault in mptcp_sendmsg_frag From: syzbot To: davem@davemloft.net, fw@strlen.de, kuba@kernel.org, linux-kernel@vger.kernel.org, mathew.j.martineau@linux.intel.com, matthieu.baerts@tessares.net, mptcp@lists.01.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this issue to: commit 40947e13997a1cba4e875893ca6e5d5e61a0689d Author: Florian Westphal Date: Fri Feb 12 23:59:56 2021 +0000 mptcp: schedule worker when subflow is closed bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1541a434d00000 start commit: 773dc50d Merge branch 'Xilinx-axienet-updates' git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1741a434d00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1341a434d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=dbc1ca9e55dc1f9f dashboard link: https://syzkaller.appspot.com/bug?extid=409b0354a6ba83a86aaf syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16548404d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=150c2914d00000 Reported-by: syzbot+409b0354a6ba83a86aaf@syzkaller.appspotmail.com Fixes: 40947e13997a ("mptcp: schedule worker when subflow is closed") For information about bisection process see: https://goo.gl/tpsmEJ#bisection