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 autolearn=ham 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 9050AC5DF60 for ; Thu, 7 Nov 2019 13:42:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 60EC821D7F for ; Thu, 7 Nov 2019 13:42:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389225AbfKGNmK (ORCPT ); Thu, 7 Nov 2019 08:42:10 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:35361 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389127AbfKGNmJ (ORCPT ); Thu, 7 Nov 2019 08:42:09 -0500 Received: by mail-il1-f199.google.com with SMTP id w69so2679254ilk.2 for ; Thu, 07 Nov 2019 05:42:08 -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=lYXHu1+8CxUYZrtgD2bXy/E8sjSme0LaouR97ajask0=; b=e5BP4eiqYKa3CGOSMqsboUuV+X2542/7zLl06wKYdr8ezvCRb6pYaNvlyfvH8r0Icm rS9rC0fIy7FGDWAPuYODWX9VNzz83r5RXQsqyZq655toNAqcMJF+kI5cjqdw/dfMAK0a XbPI0c3a2g8Q66ObWFKtMZxOwaoUe5gx+xdRJkb8vPmtyFo+odRI/oMndrBZTK03Gkgs nF2kob3+RMbk1SKRlqUo012els+pdJAJtGAYGp0gVHYchh/dyXvnmQ0f29IOrpdURHft 3G1DfdDbrdDkqQSytEWOffHSzK3ppecKusw5/cY5MViG/hXdtYM7RLs/oqLET0AcVNu8 WJAA== X-Gm-Message-State: APjAAAVYY2sib/MH1pa4twmvuha5WOaecHzI8bT6i73yQQu6OJN9qoxU VdrKCLihZId/zW21VlGXqOhDVAh0wQErhl7XUXywl5Juk0/4 X-Google-Smtp-Source: APXvYqyCn5PnsReBzzn0eMeMMCw+qkOz5YAQ4Lrcbdu5KR2Dy7fnX7Bn1RK2uLQWMUldMvI5RwDNhljITPEXD6xZrL9jqRFluc7a MIME-Version: 1.0 X-Received: by 2002:a5d:9756:: with SMTP id c22mr3662214ioo.233.1573134128190; Thu, 07 Nov 2019 05:42:08 -0800 (PST) Date: Thu, 07 Nov 2019 05:42:08 -0800 In-Reply-To: <000000000000f68d660570dcddd8@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e51d450596c1d472@google.com> Subject: Re: kernel BUG at net/ipv4/ip_output.c:LINE! From: syzbot To: ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, dsahern@gmail.com, johannes.berg@intel.com, kafai@fb.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, posk@google.com, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, willemb@google.com, yhs@fb.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit e7c87bd6cc4ec7b0ac1ed0a88a58f8206c577488 Author: Willem de Bruijn Date: Wed Jan 16 01:19:22 2019 +0000 bpf: in __bpf_redirect_no_mac pull mac only if present bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14175486600000 start commit: 112cbae2 Merge branch 'linus' of git://git.kernel.org/pub/.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=152cb8ccd35b1f70 dashboard link: https://syzkaller.appspot.com/bug?extid=90d5ec0c05e708f3b66d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=153ed6e2400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1539038c400000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: bpf: in __bpf_redirect_no_mac pull mac only if present For information about bisection process see: https://goo.gl/tpsmEJ#bisection