From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) (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 063F439D6F6 for ; Mon, 31 Aug 2026 05:43:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788154984; cv=none; b=bqHfMp+BQ32Vg7IaGnGvqTjqHIXrE+h/cYyjPkl58gldy/CuH2KrBRFKLzEwiqApm3y1x5MRetw8zkD8rqciT7sgeE0seHt+IB6IJRZC2LggEfxCVFpCy87ep4OuqX3kBRgTM4em6a7+ruID/u2IK4KJ5/huFuG4SlQyJaz/Zco= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788154984; c=relaxed/simple; bh=Gr3ZIvarzBZ06aA/hIhHDah45dYTNvxfP9FoIU3XW2Y=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=sbRTVsJLHWQRzDk0oZ9wfsBoAwlK/mwBc6nAiX6pHGlG1zb8QnDXn1WaBS/Hf9C1eG9eDuCuOgrKnuLtm4XVjCEWkYEX/XwfGuMGgEyEwpQqKtn3xLY7ynB6hhmqewGeObEMIbUhHeKBV2d6H1DXdc/ij+/DqrSWgH1F+HHWGcw= 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=209.85.161.69 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-oo1-f69.google.com with SMTP id 006d021491bc7-6b1a62cae05so1583659eaf.0 for ; Sun, 30 Aug 2026 22:43:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788154982; x=1788759782; 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=QHHnjw2r/LtbIszwyBCbLEH/fDnSkP23Sw2deIEo5fg=; b=ZPvQU3ZeEdXl0726xnu7jVNHExY6jmICp/8d1ye5nmpdiFLX8zYq+Y+Bqpypzqw9Og r2D0VLrt84yyfnkQoxpF8zehGG77ADN1y1nKwCeXw2IoW32+yQJPsm50HaUVrxXT2U/w CGrUjXDoMo7os5vZ5ExJRzspwugF3JIi8yFvviO9DwnWtUgWXzxq0Qx2rHtdFccqcIqx lkAUPDxlms1OaYH9adK71xJgE4snq3s3COgrPAC/+vAYgYGiR++xy80LmfYFyPmeMnQi nJIlZCZA7ftHJImPwtFselGwbx5iy5VIYM5ZKyOo7DYZSAGmzq9Y4A3mk3eYhNAtgh4k 1pDQ== X-Gm-Message-State: AFuF++n4cNHWhIgjhEvzDXzvdaVQZ6m02eaVJxPEW+fSCKaydpv3eEHT EeB4ESHGKsxRmxPNz3n3yTC9keZvE3EEAQ06WUywNacQOjX8j/9wCrCuLhpZC/3vGeL3Fu+S7Ke vpBvgFxaFjWpV+7hAMUrs98+92cnH3pTN8ORHjHguPyiU68UEstj/0l85U4U= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:60b:b0:6b3:5ecb:9d03 with SMTP id 006d021491bc7-6b36d009aedmr560764eaf.23.1788154981920; Sun, 30 Aug 2026 22:43:01 -0700 (PDT) Date: Sun, 30 Aug 2026 22:43:01 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a951465.a8e469d2.cbf3.5613.GAE@google.com> Subject: Re: [syzbot] [block?] [cgroups?] possible deadlock in blkg_conf_prep 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+144a1c0e22e53a08ef5a@syzkaller.appspotmail.com Tested-by: syzbot+144a1c0e22e53a08ef5a@syzkaller.appspotmail.com Tested on: commit: 3cf7d328 blk-cgroup: use GFP_NOIO for radix tree prelo.. git tree: https://github.com/yutao-intel/linux.git fix-linux-next-block-blk-cgroups console output: https://syzkaller.appspot.com/x/log.txt?x=134e6379580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8c5c3949d762a91f dashboard link: https://syzkaller.appspot.com/bug?extid=144a1c0e22e53a08ef5a compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.