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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE31AC433EF for ; Tue, 14 Dec 2021 17:57:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236701AbhLNR5L (ORCPT ); Tue, 14 Dec 2021 12:57:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54006 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236635AbhLNR5F (ORCPT ); Tue, 14 Dec 2021 12:57:05 -0500 Received: from mail-ot1-x329.google.com (mail-ot1-x329.google.com [IPv6:2607:f8b0:4864:20::329]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6660FC06173F for ; Tue, 14 Dec 2021 09:57:05 -0800 (PST) Received: by mail-ot1-x329.google.com with SMTP id a23-20020a9d4717000000b0056c15d6d0caso21708635otf.12 for ; Tue, 14 Dec 2021 09:57:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=/H7rX83HhVfXFvq1heK100p2q6fw7H+xxgOW7PvMyko=; b=Aktbnj7mjAJP1MHWOzJ25kUD9Mh2ep/OfmcCIE8BxEenkMXYs27EbwYE8zrcsjhe8U MSm85rH2WWgDxPWLUjaJe1JUwK0IxnIYKPtUxgHo7GLaOoUT659BFebFXrcz3pkI/jb8 VlOnjzTtCVTj+4OvTLnY+e3ITHz7DMCd0yMfVg7a/1r7S4zRaIJ3izM+XBvkPZ340MeU q+SACwTyrTEmo4nVeYe4woeygAfDe4PUagcKAGYD0Ot/S2CIAIjfGGcbVUBK8V8lRoLS kxPqcNK+I8ST3wT/OEscw0uiqfO3mmCo4sYy2Q9rIXgkuUcq7eXZrjx9UDK+DppnZE+T 6t0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/H7rX83HhVfXFvq1heK100p2q6fw7H+xxgOW7PvMyko=; b=mC0Qtz1A6NxSTrQ3VF6CTdH/H591IzU6jvn3BCpPFf3Wi48VOEYA1180L/IxfUlerd ZCsM3UFAOoAqj1EZyhsOkgyxek5ZBZLiXKhfNlYBqdlG58lLhaLOQEVBQ7bm/xG7Smt7 Ob7GUrg9kqrjHhqbRLCbp0eBjcavK11Ul/6byzEX18XRIM2w9uPTR6Bq6eiKjxjo4igl ucDa36UE4Pjw77ziYFf+Ec5vYuLTtN5EQ/RDPvDtRCc29bNBmycEuocyc2N4IzimFgMd 5YkqxrTeozE3ohpLMwkvtwl+Y7xUqGKf/okxJCmqqnyeNAHPkBUImVqbNZW3/4+WlqJN gYIQ== X-Gm-Message-State: AOAM533JVCxAVpHn+zbfSP/di1A6UtSiQGAXbtAipIpKjS944I/d/GiJ DlzLxQ5rT/wMWIWztoLl+feZvUwUvqcDuVAT4fyp7Q== X-Google-Smtp-Source: ABdhPJxBM3VWKaTJZcCayvxWwcLTYZ1GEYJE9ZsUHd6Q1M9Jw5ZUfs5BTGrjSyGxRoRSlVPVob+OXiYG1PPrWwGIiAA= X-Received: by 2002:a9d:4f0e:: with SMTP id d14mr5500879otl.137.1639504624541; Tue, 14 Dec 2021 09:57:04 -0800 (PST) MIME-Version: 1.0 References: <0000000000005639cd05ce3a6d4d@google.com> <0000000000004e75ca05d316779f@google.com> In-Reply-To: <0000000000004e75ca05d316779f@google.com> From: Dmitry Vyukov Date: Tue, 14 Dec 2021 18:56:53 +0100 Message-ID: Subject: Re: [syzbot] BUG: corrupted list in netif_napi_add To: syzbot Cc: alexandr.lobakin@intel.com, andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, 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 On Tue, 14 Dec 2021 at 08:52, syzbot wrote: > > 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 Looks reasonable based on the subsystem: #syz fix: net: fix premature exit from NAPI state polling in napi_disable()