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,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 AC8C2C10F14 for ; Thu, 18 Apr 2019 09:59:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 879472184B for ; Thu, 18 Apr 2019 09:59:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388616AbfDRJ7B (ORCPT ); Thu, 18 Apr 2019 05:59:01 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:34489 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388369AbfDRJ7B (ORCPT ); Thu, 18 Apr 2019 05:59:01 -0400 Received: by mail-io1-f72.google.com with SMTP id y13so1575259iol.1 for ; Thu, 18 Apr 2019 02:59:01 -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=VuebU8UkmIRaDiaZ1fyCf6Tqc3AJax52IMQPWDXFyYI=; b=pkkvLGno/TpazgoXEBHPkwMW1Y4Cq2hfaL9UEHVDMXYiEIuzg6IIMNFTXDAsrQc+Nw pYkqZcYuSUSb/r6asu6/nX3ibXq9y8QPG9XAWoAx7BYEFlRK9uJJuhzo/AFUBX3fCxIv quAtqH4Mhe1u2lDt8ki0hfyX6mlRWkZXHCl2g3q8XKFBkvm+FEe424hhfKumJvGidRGg lXV2x6bBuGzpbXVUJPYtpaIqJ0ksB2eaE4PDvsnFWdtXEloAM008mZoqjC+CtnUftz+F CwTCZKS9c4vDe/XXhjt+P2tmIkfzZj+tTHR4UdEGFMSdox/zHK5Y3EZgMLxVRPbyoRen 0y7w== X-Gm-Message-State: APjAAAVFiTMvDdWDnE/IriM9hQsry+Ijcx6Bxt4BKYlzTCm7WuUEJfOd RGUyKFFsAE6RmXXYnnkA7bZ4+FHdq+tmvoprDYSaXBcjbbG5 X-Google-Smtp-Source: APXvYqxuguFF8FFR1m22eGEJb+0aWhIdhdSN3LOyfQ8EbAbAyGoX9sVIQFN5fC7AqwMqDcOvQERrrrEgHjXPT6FjVwoRV42Yw1lQ MIME-Version: 1.0 X-Received: by 2002:a6b:188:: with SMTP id 130mr2185721iob.115.1555581540713; Thu, 18 Apr 2019 02:59:00 -0700 (PDT) Date: Thu, 18 Apr 2019 02:59:00 -0700 In-Reply-To: <000000000000c770710586c6fc92@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000274d750586cb0d38@google.com> Subject: Re: BUG: unable to handle kernel paging request in free_block (5) From: syzbot To: davem@davemloft.net, jon.maloy@ericsson.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.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 52dfae5c85a4c1078e9f1d5e8947d4a25f73dd81 Author: Jon Maloy Date: Thu Mar 22 19:42:52 2018 +0000 tipc: obtain node identity from interface by default bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15065bdd200000 start commit: e6986423 socket: fix compat SO_RCVTIMEO_NEW/SO_SNDTIMEO_NEW git tree: net final crash: https://syzkaller.appspot.com/x/report.txt?x=17065bdd200000 console output: https://syzkaller.appspot.com/x/log.txt?x=13065bdd200000 kernel config: https://syzkaller.appspot.com/x/.config?x=4fb64439e07a1ec0 dashboard link: https://syzkaller.appspot.com/bug?extid=438a5abd4f53adb1c073 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12adddbf200000 Reported-by: syzbot+438a5abd4f53adb1c073@syzkaller.appspotmail.com Fixes: 52dfae5c85a4 ("tipc: obtain node identity from interface by default") For information about bisection process see: https://goo.gl/tpsmEJ#bisection