From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (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 60FD73264DD for ; Sat, 5 Sep 2026 20:33:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788640416; cv=none; b=spQ//dcH2imVB4WNvxa1eval5QfgRK6JHMOwqMMqjUhOuRwppqj1ZTSNtOB/IWrcEkQGq/wU7N/E3t18X1P0wlcb1buwxHxbtJCRoSRcyabQj21UYqWBKtWh++kKMePRXYMQSk9yMEFaFEIu70/ilD/OAMbRIsxr3xR72N4PPRk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788640416; c=relaxed/simple; bh=VEyTOk2wnJuWL/0aDXAN5YhjuaqFPCGeVVSL0O/+rwk=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Guj8PGP25XoJz0WjLYx3RT60LMeESXFurwrSqckrhE/ECJresO3xQyngQpKYTIEulhrl14rN3svA/NHBKjn94rf1Rw+ExLfPBQSDvMatQFOyIX6B7X+9FRvjg+V0J8n8nO58Lq23ckO1QDVS9mtuLBOYR0HPXXtpou/wN+qm1l8= 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=209.85.210.69 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-ot1-f69.google.com with SMTP id 46e09a7af769-7e6b59d85dcso4371197a34.3 for ; Sat, 05 Sep 2026 13:33:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788640414; x=1789245214; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=DaK/UszpBwoJ72t5z8E9yTVEpqhHUeXVcZVl5D5Td0o=; b=bwH0qAjPLazGv7pyVoz+eDGS9ZmxEm4mkTFjt9gzF60tVXT8ftKZAC9IYsD+TfB+Yi A95M3m/UVGTYoNuqLtp+JWqnswLbU9wdjappm3wwJOli5dRRD7LZwmEWPaYlfCIR2DBz VXra0jYlwaUGmB7ORajN/TjJct+jHIcbG4um1kOeZukOPhzcSNNVU0P06g/jWgJSIa1F VjFO75UWq0JVjBwnOZ8FQHmBW+s0pZjGoaCCtl6PcqPeGuPjDRlA77pPlRHyNxFkJieq VKQLi6drb15bzz+4xxfE7SMuTeBmL1145yBDozHa7I0eMABggG5HF3xQTxTzc6L113be sHYg== X-Gm-Message-State: AFuF++nx6G8SwR3z8JQoOYeK6Ort86UIPCZYO2s8uFeBSJAMhBiyElJp FAQnuoVhbzr03rzSlL7LVlszoadAh1CnAIv93yqZvQMr2b0Zvb84uKX/KaYQATtc8c+0Z2/3LYT KZJuvkSLMfqQSy7DZPb5u2PVfxIlxXevtR9ZCYJnTNx9WJpjBBde4/mRtk78= Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:82a:b0:6b3:4a99:bd87 with SMTP id 006d021491bc7-6b6fd7ca02bmr8376303eaf.30.1788640414366; Sat, 05 Sep 2026 13:33:34 -0700 (PDT) Date: Sat, 05 Sep 2026 13:33:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9c7c9e.87c06881.102b7.0001.GAE@google.com> Subject: [syzbot] Monthly block report (Sep 2026) From: syzbot To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello block maintainers/developers, This is a 31-day syzbot report for the block subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/block During the period, 10 new issues were detected and 4 were fixed. In total, 32 issues are still open and 118 have already been fixed. There are also 30 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 1741 Yes INFO: task hung in blkdev_fallocate https://syzkaller.appspot.com/bug?extid=39b75c02b8be0a061bfc <2> 87 No INFO: task hung in read_cache_folio (6) https://syzkaller.appspot.com/bug?extid=9db0864859224b833108 <3> 57 Yes INFO: task hung in __rq_qos_throttle (2) https://syzkaller.appspot.com/bug?extid=53706c567afab5131044 <4> 29 No possible deadlock in blkcg_deactivate_policy (2) https://syzkaller.appspot.com/bug?extid=14254d81dd19ba7d7e41 <5> 16 Yes INFO: task hung in blkdev_read_iter https://syzkaller.appspot.com/bug?extid=afa7aef0c237038586e7 <6> 11 No BUG: unable to handle kernel paging request in blk_mq_complete_request_remote https://syzkaller.appspot.com/bug?extid=2e3bf0bd49acd9b21d4b <7> 1249 Yes WARNING in blk_mq_free_tag_set https://syzkaller.appspot.com/bug?extid=02b37e31e64ea5cb6d29 <8> 94 Yes INFO: rcu detected stall in kjournald2 (2) https://syzkaller.appspot.com/bug?extid=14c6ac6811273526cfa5 <9> 30 Yes KASAN: slab-out-of-bounds Read in blk_mq_free_rqs https://syzkaller.appspot.com/bug?extid=e90526cab23b9efcd03c <10> 13 No KASAN: slab-out-of-bounds Read in seq_buf_putmem https://syzkaller.appspot.com/bug?extid=f179b16e13624138b0f1 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.