Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5B53C433EF for ; Tue, 14 Dec 2021 07:52:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231583AbhLNHwJ (ORCPT ); Tue, 14 Dec 2021 02:52:09 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:54111 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231506AbhLNHwI (ORCPT ); Tue, 14 Dec 2021 02:52:08 -0500 Received: by mail-il1-f199.google.com with SMTP id h9-20020a92c269000000b002ac5174da88so3837286ild.20 for ; Mon, 13 Dec 2021 23:52:08 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=lcHNNorG/LTmBnlLDr9pzEUJIluh5yB8GkJuX9RkX+M=; b=RDN8PO45srYrRiJWdB4fYIj0eIiUFkSuYJvDs9Q1v1Ym4IzVo9oVxpWRwECnmHnDYl /77pCZttidj0gi6bsfj0c75kHILw3DTAV4hoSOqlKpPY+7/Goq0vtmQW9rjQPoNFTcDO NZzjAV5JGi8KdZSVQJQc4QgI9MKfMpXCkM+dPJ5oAtvw3f6SPeGooyHCuhKMOVIlRRoI cR1AUMFyP9P9TAITQiCpTlLc/2w2LMRT06/MMEDp3EQUtbwgmD2xeiqEUJEG3ZQMJKIf gnVYFW1kvJs7xkNlEfT6lBohEBuLHceVvP/BLYMj1i19Mwr1Gzy3SR6mwsgRKLW8+oZE SQrg== X-Gm-Message-State: AOAM533UfdyU/1bH5Lh/VHQzmnHGJ1RiL/k2mLotjWNrxLLEj3zKl+Rk Da6b0VTnTYvLBVE1J2h+MofWblMLBBW4udE7jJgueFSJyZvw X-Google-Smtp-Source: ABdhPJwEb1jTTeln0/hF9lmMGIcFScozwQkTLG1gNHZuRcdvk+Do/KhhsRDbFnAX4Ve38aA1BAOAnDnAqmfbzVWtD9j1MFlBzJa9 MIME-Version: 1.0 X-Received: by 2002:a02:84eb:: with SMTP id f98mr1928730jai.743.1639468327923; Mon, 13 Dec 2021 23:52:07 -0800 (PST) Date: Mon, 13 Dec 2021 23:52:07 -0800 In-Reply-To: <0000000000005639cd05ce3a6d4d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004e75ca05d316779f@google.com> Subject: Re: [syzbot] BUG: corrupted list in netif_napi_add From: syzbot To: alexandr.lobakin@intel.com, andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, dvyukov@google.com, edumazet@google.com, hawk@kernel.org, hdanton@sina.com, jesse.brandeburg@intel.com, joamaki@gmail.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, maximmi@nvidia.com, netdev@vger.kernel.org, pabeni@redhat.com, saeedm@nvidia.com, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, toke@toke.dk, vladbu@nvidia.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 0315a075f1343966ea2d9a085666a88a69ea6a3d Author: Alexander Lobakin Date: Wed Nov 10 19:56:05 2021 +0000 net: fix premature exit from NAPI state polling in napi_disable() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=138dffbeb00000 start commit: 911e3a46fb38 net: phy: Fix unsigned comparison with less t.. git tree: net-next kernel config: https://syzkaller.appspot.com/x/.config?x=d36d2402e8523638 dashboard link: https://syzkaller.appspot.com/bug?extid=62e474dd92a35e3060d8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=141592f2b00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net: fix premature exit from NAPI state polling in napi_disable() For information about bisection process see: https://goo.gl/tpsmEJ#bisection