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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, 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 F04DFC432C3 for ; Sat, 30 Nov 2019 14:50:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CC3F12072C for ; Sat, 30 Nov 2019 14:50:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726932AbfK3OuD (ORCPT ); Sat, 30 Nov 2019 09:50:03 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:55162 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726376AbfK3OuD (ORCPT ); Sat, 30 Nov 2019 09:50:03 -0500 Received: by mail-il1-f197.google.com with SMTP id t4so8754399ili.21 for ; Sat, 30 Nov 2019 06:50:01 -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=jII87kLhfoGRXBIl4TNhBeD/bYyBWSNWa+TtrCAMKnM=; b=She2nni7xsddKM1vcpMPM+soK0S9qjQHlThqKRriKRnFJYZTH4XsT2vRv6G96rvnKf fCip01vL7vvMPJdqi6gkT5lw4KATcx50PAAUyLqSM2+o/yie2PBrp4tWqODp0I5YXYSr B9y0JcoyoQl4x0JXmAzLx0g6EqqEOupbtrCEVdBKEuqoRAAgNCdtXw4iuRdwq09k/Uyt LnC2WM3HUghdo5O7CDp172GB74xGxu6MVK9nNq1YSCmeXVPvBlWke9O74tsiIg5DCaIx fU4hrwoMQ2NFMKWOcWoJrGfaahPpAL8Rl7IwMsBNX+2bSZzsUm+nMN74p6h3G+wtKkzG IS5Q== X-Gm-Message-State: APjAAAUcMXOYZmlUIkDLpHj7KsiOvNs6WMgVVaLWZHjryrdSNiJcQSq3 kwFJ6BAOfOS9umWthfr5155LLQmHHgmkn2C0wIL2xOEqdJn3 X-Google-Smtp-Source: APXvYqzUupElDR1SDA77br+UIp2Mr5RrWPkK2noS9cYjk6kGU0lH4u9b3aZAbIjVILLbVLabmwApKQam8lGumAvU4U75q4v173bg MIME-Version: 1.0 X-Received: by 2002:a92:5bdd:: with SMTP id c90mr2923790ilg.78.1575125401177; Sat, 30 Nov 2019 06:50:01 -0800 (PST) Date: Sat, 30 Nov 2019 06:50:01 -0800 In-Reply-To: <001a114372a6074e6505642b7f72@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000039751059891760e@google.com> Subject: Re: kernel BUG at net/core/skbuff.c:LINE! (3) From: syzbot To: davem@davemloft.net, dvyukov@google.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, lucien.xin@gmail.com, mvohra@vmware.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.com, u9012063@gmail.com, vyasevich@gmail.com, websitedesignservices4u@gmail.com, yoshfuji@linux-ipv6.org 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 84e54fe0a5eaed696dee4019c396f8396f5a908b Author: William Tu Date: Tue Aug 22 16:40:28 2017 +0000 gre: introduce native tunnel support for ERSPAN bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=158a2f86e00000 start commit: f9f1e414 Merge tag 'for-linus-4.16-rc1-tag' of git://git.k.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=178a2f86e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=138a2f86e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=34a80ee1ac29767b dashboard link: https://syzkaller.appspot.com/bug?extid=b2bf2652983d23734c5c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=147bfebd800000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13d8d543800000 Reported-by: syzbot+b2bf2652983d23734c5c@syzkaller.appspotmail.com Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN") For information about bisection process see: https://goo.gl/tpsmEJ#bisection