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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,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 6DF7CC433E0 for ; Fri, 15 Jan 2021 22:08:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3106823A56 for ; Fri, 15 Jan 2021 22:08:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727052AbhAOWHy (ORCPT ); Fri, 15 Jan 2021 17:07:54 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:53372 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726352AbhAOWHy (ORCPT ); Fri, 15 Jan 2021 17:07:54 -0500 Received: by mail-io1-f70.google.com with SMTP id a19so7689558ioq.20 for ; Fri, 15 Jan 2021 14:07:38 -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=Ni8yaQuabPx7HTWh4ePzjfz8VlgGJ45ofwREdAgCaIA=; b=M9f7slHbM4MxgV8EZnRQJXaSRMKLdpGM2sPVoEPG3tnMZ2ajmrFgqlEY/Nc0UwWB/g Ew5mx0J6OJ9kMZc3/M3NAPS/g4wsRKVpNXVww4sCwkuvS1bF0Z/D3lSX7EHjpIrgF9xK BcZarKfKK1z2fkne9eiXP8qedWLqsnPry7S47fCzhgo+9WDAhCqRajT2ERGNWPTUhLJx rEmqOFcq449nEtpI11M1zU1crhCrEZwb5Iq43qdZKEVRa04N4AK//nEEs7BfvOvBe1SE 7UsnxSdoYxPz0XThJzxjx6enTQgTO3EWREgSIcpnO9minQLvKHIohZndsoQQ1n0PEio3 cRDQ== X-Gm-Message-State: AOAM533OkwS2v78EaQ2+Dy1yNFG+JlyW8RpkSmu9wjbtNHpYhXlAWAge hdx+eD6pMuLcTRAtFz94FTc/7VY72P+L+XUfRTQCFWe/gaYc X-Google-Smtp-Source: ABdhPJwl5lqi00q3NK/YL4hxeMbwf8+7Xw7x+Xx7N2oQtjO9QTWtGNrmxRFpAhlx4fn68gu+vAWrPashN7vHa2ezNTX9R9pKv/+c MIME-Version: 1.0 X-Received: by 2002:a05:6e02:13e2:: with SMTP id w2mr12778970ilj.155.1610748433062; Fri, 15 Jan 2021 14:07:13 -0800 (PST) Date: Fri, 15 Jan 2021 14:07:13 -0800 In-Reply-To: <0000000000005d946305a9f5d206@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002ce11a05b8f7980a@google.com> Subject: Re: INFO: rcu detected stall in sock_close (3) From: syzbot To: Markus.Elfring@web.de, axboe@kernel.dk, christian.brauner@ubuntu.com, davem@davemloft.net, ebiederm@xmission.com, fweisbec@gmail.com, hdanton@sina.com, jmaloy@redhat.com, kuba@kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, netdev@vger.kernel.org, oleg@redhat.com, pcc@google.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tipc-discussion@lists.sourceforge.net, tuong.t.lien@dektech.com.au, ying.xue@windriver.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 98b89b649fce39dacb9dc036d6d0fdb8caff73f7 Author: Jens Axboe Date: Fri Oct 9 22:03:01 2020 +0000 signal: kill JOBCTL_TASK_WORK bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14b99c20d00000 start commit: 7cc2a8ea Merge tag 'block-5.8-2020-07-01' of git://git.ker.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=183dd243398ba7ec dashboard link: https://syzkaller.appspot.com/bug?extid=4168fa4c45be33afa73c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=112223b7100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154793a3100000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: signal: kill JOBCTL_TASK_WORK For information about bisection process see: https://goo.gl/tpsmEJ#bisection