From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BFF3D3101A2 for ; Mon, 31 Aug 2026 08:52:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788166326; cv=none; b=pS7c/h3ZWKJo3sHm6iq4F6n9AnSVhsmlaL/hv+1BWs7aGZXF2b41Vpm6rkKIALulE3pyiyatfMjZsVlxRkeXV+cg3AQM+iQP4yb3PMS+qraxrcOEn6mLKpmLJPWUvCW5kXiisZcFaAkCXNm0QdTdNwMCR/Ca38F2vJszPL9+I0I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788166326; c=relaxed/simple; bh=R8qjFK2IGqgAYpk41tTogNbOTCTQcMsUTBjFtG+rTWg=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=WD3O6GdNGnuHTtxPcbaaTqKAUta0yFimrkC+ZXNRwoAFJCCWsc/TZjbSDFpvRsjkSd90fKFjHiQ36qq1MYbyhObEo4KhHa7e7c0rY/eG6mN16m+nLrojJ1hOb/syjWI8WIdjoO3lc2X6woj76oR3L6ouqUxqdAWzkfy0DpymLb0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.167.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f199.google.com with SMTP id 5614622812f47-4b28dafb8e1so4923805b6e.2 for ; Mon, 31 Aug 2026 01:52:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788166323; x=1788771123; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=oj+1tEMEH/rN4VhhjeDmj5ek7HeycIgG63Ilj+8wGbU=; b=W/d1qtXimCwwAR/dqrnVQUn1EhBX9+o6k2ZHBdIywBUrPZr/wlaiXIydQFNm75bmmf /YHbJWWRZ1wWoslKNxS53Lei1IgR7jTRlsCrS0ewcKo4cZp1QaokRK6dccLdflgubyTx eznsJb3HSn9bo55I0PDa84sLfWmqvM2qzzzyQx3WQdVRRa3ZnDFNMAnN7MtA7x+w4Ipb D1Y2IpSwJLrDCxYWBwIFsUQMBWpmQ6A2Ll5udRa6bSI8cKfbThrOppmlrk4VhObB/xu0 kRcUaulqMLbiUFczW9lIknY/UZZCqXDX4bLf1IT8yGak4t5xmPZbhDadn5CQl1Ad1LLW 9k5w== X-Gm-Message-State: AFuF++mFLSTfA5cSGw+ptx8dfORrLngd/N30+l+mnr4VsSQL+c1j2a1R CPU1FG5cketf8XQxWdc8jK4+k2rxkFiB5Zd0kyE/Me2g2+5dZIwZQ6rR5+FhkYQUzjRpFyhbSya UcOIiOa0YguExQK1DPLiUn5k9NJQw6dZYs9oUnsbEwCOr7sBT6QXLzxL6nyA= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:14d1:b0:4b1:b83a:5878 with SMTP id 5614622812f47-4b39824f060mr28254307b6e.14.1788166323511; Mon, 31 Aug 2026 01:52:03 -0700 (PDT) Date: Mon, 31 Aug 2026 01:52:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9540b3.a8e469d2.cbf3.5615.GAE@google.com> Subject: Re: [syzbot] [cgroups?] INFO: task hung in cgroup_subtree_control_write (2) From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tao1.yu@intel.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+bb2e19a1190a556c01b1@syzkaller.appspotmail.com Tested-by: syzbot+bb2e19a1190a556c01b1@syzkaller.appspotmail.com Tested on: commit: 4b68c76c cgroup: reject controller re-enable while css.. git tree: https://github.com/yutao-intel/linux.git fix-linux-next-cgroups console output: https://syzkaller.appspot.com/x/log.txt?x=10236379580000 kernel config: https://syzkaller.appspot.com/x/.config?x=31bc85a68b5b5754 dashboard link: https://syzkaller.appspot.com/bug?extid=bb2e19a1190a556c01b1 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.