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=-8.7 required=3.0 tests=BAYES_00,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 28B61C4727E for ; Thu, 1 Oct 2020 15:34:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EEFD420796 for ; Thu, 1 Oct 2020 15:34:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732391AbgJAPeG (ORCPT ); Thu, 1 Oct 2020 11:34:06 -0400 Received: from mail-io1-f80.google.com ([209.85.166.80]:36666 "EHLO mail-io1-f80.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732031AbgJAPeG (ORCPT ); Thu, 1 Oct 2020 11:34:06 -0400 Received: by mail-io1-f80.google.com with SMTP id q126so38316iof.3 for ; Thu, 01 Oct 2020 08:34:05 -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=p3I8AGMy+YrC12QmQ5gsY3D38zGF8Pag/wYZhM1xiNM=; b=KT4g6hVs2AZZTZAWVvjOTISK/6RrqqRb5EDFZ4QCTa5OTwuUOi2hyE4SyC3rtYSBRo 4kcKriEuiCJ5QNTM2JjaybULWFG7eU830spLawTGwifdCHIYJAoOd4Qq/09MIisB2Xnp yjZ0Ib6yNBqhP2XuL6LWr7za85bMOWvtOyfl1oQp3WlQZmm/16eDFcZ7Yb7FDJGJKecx bA7FFm4FpbFp5sg5U/e8VbTQk+5sU+m3EbH/9J3l4Wl9xWEh1wFAMBPMQSdGSNBest6i ghKhjiB4B6b6S4Km7+EWy2d29dHtI7cL/twPVKdyRZWKklRM7wzMTvCWrEOrjol0miw3 5wJg== X-Gm-Message-State: AOAM5330+YRbA4h7RILm7ijGTfPszw/7ylYThpQ57lGzc3+fdwtz5Hez vi3ifQm/5oXDsndjWopTfOCv7PZAqmRHg7cUYKtNW07AIlvZ X-Google-Smtp-Source: ABdhPJzWXX40gZdF7EK/pSohyG4bjSkTey+WsRbE2NFpHS3R9P98PRdoZno5HwO3cr2VYcwXmBfh1igws3xj4NbPQiMxM+0aJ+6L MIME-Version: 1.0 X-Received: by 2002:a05:6e02:e01:: with SMTP id a1mr2940074ilk.162.1601566445088; Thu, 01 Oct 2020 08:34:05 -0700 (PDT) Date: Thu, 01 Oct 2020 08:34:05 -0700 In-Reply-To: <0000000000009383f505adc8c5a0@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000b380805b09dbf40@google.com> Subject: Re: general protection fault in nexthop_is_blackhole From: syzbot To: a@unstable.cc, anant.thazhemadam@gmail.com, andriin@fb.com, anmol.karan123@gmail.com, ast@kernel.org, b.a.t.m.a.n@lists.open-mesh.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, dsahern@gmail.com, hariprasad.kelam@gmail.com, herbert@gondor.apana.org.au, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, nikolay@cumulusnetworks.com, songliubraving@fb.com, steffen.klassert@secunet.com, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, yhs@fb.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot suspects this issue was fixed by commit: commit eeaac3634ee0e3f35548be35275efeca888e9b23 Author: Nikolay Aleksandrov Date: Sat Aug 22 12:06:36 2020 +0000 net: nexthop: don't allow empty NHA_GROUP bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=116177a7900000 start commit: c3d8f220 Merge tag 'kbuild-fixes-v5.9' of git://git.kernel.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=bb68b9e8a8cc842f dashboard link: https://syzkaller.appspot.com/bug?extid=b2c08a2f5cfef635cc3a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14d75e39900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12aea519900000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net: nexthop: don't allow empty NHA_GROUP For information about bisection process see: https://goo.gl/tpsmEJ#bisection