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=-13.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,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 E5377C433E9 for ; Thu, 14 Jan 2021 01:47:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D7832343F for ; Thu, 14 Jan 2021 01:47:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728213AbhANBqx (ORCPT ); Wed, 13 Jan 2021 20:46:53 -0500 Received: from mail-pf1-f200.google.com ([209.85.210.200]:47397 "EHLO mail-pf1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726801AbhANA4d (ORCPT ); Wed, 13 Jan 2021 19:56:33 -0500 Received: by mail-pf1-f200.google.com with SMTP id x21so2304164pff.14 for ; Wed, 13 Jan 2021 16:56:17 -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=jlFSyFsy03pYVrVR3CcVIDgLJx11fHk/YYGYXYtjZt0=; b=HzIut8zBtPMmewYpB1K2CxerFM6pcdlcmIqCSlpP5iZqQdBpNwDT77NlIJQGYqXrpu cflH5JS2cja+leLL+AKN9tiFADJm9atqLiiU9BFrEbqhT1XawaThN75j4ivfKTsiD76a aLCKPQsbNKP9HN/qt1BkwDVBBevxv17QjS9XorOMB1qIXb/jKrKocnPf6t7FImNmZ/Po IbjsayfBPJWSyX/MA89U8MIH22n54RZq1aWb8H+VFFzOdngThefEJFMTpxKAdGTk6ymO hoPqnuVUqqJleHahuj4bjaORVGxuji2+D9lAj2zHTO1OkSTCsynDQXEGaB91KYcfGR2T ZbLw== X-Gm-Message-State: AOAM532LRNeorFm5nj/CgwQu9qq38lQa8foXEnnwJCvOphNadlLmqAmj xsy5Ab8jwG5urucWRaQ0Wrppc1SXDi5ts93uCll0uDMdlK/v X-Google-Smtp-Source: ABdhPJy1vepLrK0QdOGj3+JxVkfzwde1SE5dgoHnfXS4WCuUzSYJSlWakQM+9vHXU3TywlsRkPAATkcWJ2PnQeeUhpeBjEvjEIeS MIME-Version: 1.0 X-Received: by 2002:a6b:784d:: with SMTP id h13mr3621423iop.26.1610585226627; Wed, 13 Jan 2021 16:47:06 -0800 (PST) Date: Wed, 13 Jan 2021 16:47:06 -0800 In-Reply-To: <20210113114136.4b23f753@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000504e4005b8d198c1@google.com> Subject: Re: kernel BUG at net/core/dev.c:NUM! From: syzbot To: andrii@kernel.org, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, f.fainelli@gmail.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, roopa@cumulusnetworks.com, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+2393580080a2da190f04@syzkaller.appspotmail.com Tested on: commit: 3a30363e net: sit: unregister_netdevice on newlink's error.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/kuba/linux.git sit-fix kernel config: https://syzkaller.appspot.com/x/.config?x=bacfc914704718d3 dashboard link: https://syzkaller.appspot.com/bug?extid=2393580080a2da190f04 compiler: gcc (GCC) 10.1.0-syz 20200507 Note: testing is done by a robot and is best-effort only.