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 5762CC433EF for ; Sun, 21 Nov 2021 16:23:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238454AbhKUQ0k (ORCPT ); Sun, 21 Nov 2021 11:26:40 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:28424 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237804AbhKUQ0j (ORCPT ); Sun, 21 Nov 2021 11:26:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1637511813; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5o6/wBGbGY6DcbOKW8sJZyFNOEtnCAysm1b68CJVM+g=; b=f/eRZKAZxiYr1bJyNUD6VP71vaIeslR83uXJaYAL8ZO5u/adAvn3HMZDe9v/dH1v5eW/Kj i9cC0C7ZMz5HteVfceDbmUIgBIPaIBLughU7YYJ/0cZbWiFrBTCOxY0izitnj5P5YfOZgD FeDoVj+GOkiikG6r6KFSHmaYHQuDnaw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-138-4J9HxJ_TPf2uHCKYncaYYw-1; Sun, 21 Nov 2021 11:23:29 -0500 X-MC-Unique: 4J9HxJ_TPf2uHCKYncaYYw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EAF0D18125C0; Sun, 21 Nov 2021 16:23:24 +0000 (UTC) Received: from [10.22.8.49] (unknown [10.22.8.49]) by smtp.corp.redhat.com (Postfix) with ESMTP id C5B4E60C5F; Sun, 21 Nov 2021 16:23:18 +0000 (UTC) Message-ID: <97cf8c1f-2a1d-d505-9216-37a3da0fc7f6@redhat.com> Date: Sun, 21 Nov 2021 11:22:56 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [syzbot] WARNING in cgroup_finalize_control Content-Language: en-US To: syzbot , andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, cgroups@vger.kernel.org, christian@brauner.io, coreteam@netfilter.org, daniel@iogearbox.net, davem@davemloft.net, hannes@cmpxchg.org, john.fastabend@gmail.com, kaber@trash.net, kadlec@blackhole.kfki.hu, kafai@fb.com, kpsingh@chromium.org, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, lizefan.x@bytedance.com, lizefan@huawei.com, marcelo.leitner@gmail.com, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, nhorman@tuxdriver.com, pablo@netfilter.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, tj@kernel.org, vyasevich@gmail.com, yhs@fb.com References: <000000000000d6442705d143337a@google.com> From: Waiman Long In-Reply-To: <000000000000d6442705d143337a@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org #syz fix: cgroup: Make rebind_subsystems() disable v2 controllers all at once On 11/20/21 21:24, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit 7ee285395b211cad474b2b989db52666e0430daf > Author: Waiman Long > Date: Sat Sep 18 22:53:08 2021 +0000 > > cgroup: Make rebind_subsystems() disable v2 controllers all at once > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12232c06b00000 > start commit: 442489c21923 Merge tag 'timers-core-2020-08-04' of git://g.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=b3f0df8558780a7d > dashboard link: https://syzkaller.appspot.com/bug?extid=9c08aaa363ca5784c9e9 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14148c62900000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: cgroup: Make rebind_subsystems() disable v2 controllers all at once > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection >