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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 B51CFC4332D for ; Fri, 20 Mar 2020 04:42:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7AB0820722 for ; Fri, 20 Mar 2020 04:42:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727056AbgCTEmF (ORCPT ); Fri, 20 Mar 2020 00:42:05 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:44225 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726052AbgCTEmF (ORCPT ); Fri, 20 Mar 2020 00:42:05 -0400 Received: by mail-il1-f199.google.com with SMTP id a14so2698648iln.11 for ; Thu, 19 Mar 2020 21:42:04 -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=+YoOMjO6luwEwwnQleJR7GJujX9qkW3ROR7gWbzVHTc=; b=CyDj89PSpY/ZstjPbUA36J/9/93ST4jEJgKtMR8+JITbzWzuNlFZQ/hhdjW8RDJJ+v nlCc5OhUXq5/Ok7qKXN1FCyFu3o+XZ/H3yHEswje35IMzM0DXZ1tY9wB6OaTa/p1lTel zy72ugtZm3i5ZR7Z6ZaiQu93czIb5OAcOcCfK3HVnW3rJLOrYAKLnYOHYQ50qqX9TjD6 6Hs6FrbJddQiqJ0TjeC1BhqQss1NvU9AkWKoSm5sfxxT/J+YBdw1sOayu6KANHKy8KLC ij/ITCNLsK6NtoqYvMyZFKgqry+fgfuempYla8sTCpN0kaWSSzZxcUgEp600sOPdAupj qjSA== X-Gm-Message-State: ANhLgQ2Nr/NIuieuIkh7YxEl9zrrPYb/XYfVs8EAEt1/lcTfMFL3JRGI CYTW7gIgwvy22yY8GR5TTqsDQ/pt2p3gaOP0H4V1Zp8MB7jm X-Google-Smtp-Source: ADFU+vvvu8NLalP1cGxkvhKVN7qZ92RRR3QEjUcPEZNcU+YjcZP8wQ2QavDecLU7agqtV2mMBHcxyCFp2UUC8Pz/K3pBe5ExZNzs MIME-Version: 1.0 X-Received: by 2002:a92:25d6:: with SMTP id l205mr5908567ill.35.1584679324596; Thu, 19 Mar 2020 21:42:04 -0700 (PDT) Date: Thu, 19 Mar 2020 21:42:04 -0700 In-Reply-To: <0000000000005eaea0059aa1dff6@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000039c12305a141e817@google.com> Subject: Re: INFO: task hung in htable_put From: syzbot To: akpm@linux-foundation.org, coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, hannes@cmpxchg.org, kadlec@blackhole.kfki.hu, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, vbabka@suse.cz, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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