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=-16.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_IN_DEF_DKIM_WL 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 66B4EC55ABD for ; Wed, 11 Nov 2020 13:30:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 015672074B for ; Wed, 11 Nov 2020 13:30:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="bgpBn97B" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726808AbgKKNaQ (ORCPT ); Wed, 11 Nov 2020 08:30:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53384 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726725AbgKKNaK (ORCPT ); Wed, 11 Nov 2020 08:30:10 -0500 Received: from mail-qk1-x742.google.com (mail-qk1-x742.google.com [IPv6:2607:f8b0:4864:20::742]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1FE2C0613D4 for ; Wed, 11 Nov 2020 05:30:08 -0800 (PST) Received: by mail-qk1-x742.google.com with SMTP id y197so1576706qkb.7 for ; Wed, 11 Nov 2020 05:30:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=Mrf0d0bxYH+6GH0lvsgm2uEX7jLFPjyo3DZnCKJ0/0Y=; b=bgpBn97B9nq1SWvjUEtBeKWBDj005oKswykPrMMU/kypedSDkiNNXAUwzKW+R2ueCJ Se8nOTvZEIgs0IyaYA6wJDuO7oyTSUtx1n3AAidUiqay8cu5vrgiHu6D+zjESngqESDK DnGm7xl2OKb0xEHo51+YZB5WXVJxziWgDPihpNBOo9MyxAlL5wL3ElgXUToLSryNnPXg BwIeRgD3ZhxXqRB9d+bhpDcWZ8vGIk9FJWs83s6ZqrwHKhwvh//sbotDR15n6hzMb2wP jgiQc34TGMFbMQThldjFGWsxhQIatQiCP5fsYODZ7kPqNBfUPNoq19rrYG0zVB0bxDo0 VoyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=Mrf0d0bxYH+6GH0lvsgm2uEX7jLFPjyo3DZnCKJ0/0Y=; b=m+ccun8xa3lzj5XpxaHAh1wHuer6TaUxDerXZ53Fq/P6LRPM0Ze4R1WA3PATt9dOqU Qs5VqSWXLb33mtxKfJH9lNH1zYilepqpUJaVs/2Y45jygw+G5zvQ+i+aseUcDOmuEF5z 6VeY//8l5kZ/jdmC2O1S1JAWqPI1ENW3fzEGcAI9IODAartTd8m7sFTSFhtv3QFvNgdN Wk0XaFjuI5MqnEDey20pbTyMTF8YaAeHTZcykmfxQXpfGFZiJWBOKtcJpZhvycCi79l/ YQJFQf4lxXiDdgjUsGv2D4C1eIf4inEFhRs2kH+QIYS4ModTZZHJVBot+asfYQ2d7AOS kSRA== X-Gm-Message-State: AOAM533tHSapl4PWSiSOn9R538jtLPxzR+cybiqNg6MDkCsDeu241vyY MLPGeswycI9d+EF8hwQaeXdkVT33gv1RMBhA7rV8+Q== X-Google-Smtp-Source: ABdhPJyxyZ80WQyvQSfath8VmPjxYL1ABS4kGXtU6ceB3M/Ive9IT8dmInULusYU/wmx2oTw1k500RCiVwr3tc95sLk= X-Received: by 2002:a37:9747:: with SMTP id z68mr23987360qkd.424.1605101407964; Wed, 11 Nov 2020 05:30:07 -0800 (PST) MIME-Version: 1.0 References: <0000000000005eaea0059aa1dff6@google.com> <00000000000039c12305a141e817@google.com> In-Reply-To: <00000000000039c12305a141e817@google.com> From: Dmitry Vyukov Date: Wed, 11 Nov 2020 14:29:57 +0100 Message-ID: Subject: Re: INFO: task hung in htable_put To: syzbot , syzkaller-bugs , netdev , LKML , coreteam@netfilter.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 20, 2020 at 5:42 AM syzbot wrote: > > syzbot suspects this bug was fixed by commit: > > commit 99b79c3900d4627672c85d9f344b5b0f06bc2a4d > Author: Cong Wang > Date: Thu Feb 13 06:53:52 2020 +0000 > > netfilter: xt_hashlimit: unregister proc file before releasing mutex > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17446eb1e00000 > start commit: f2850dd5 Merge tag 'kbuild-fixes-v5.6' of git://git.kernel.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=735296e4dd620b10 > dashboard link: https://syzkaller.appspot.com/bug?extid=84936245a918e2cddb32 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17a96c29e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12fcc65ee00000 > > If the result looks correct, please mark the bug fixed by replying with: > > #syz fix: netfilter: xt_hashlimit: unregister proc file before releasing mutex > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz fix: netfilter: xt_hashlimit: unregister proc file before releasing mutex