From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 87140168D2 for ; Thu, 25 Jan 2024 12:56:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.9.28.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706187378; cv=none; b=tv8TJv+rftHJSOZnG9h/mXCGnZr/oIVFFsZcDrLywFHhua8GycxMLVBPRsInr3rmnRykvcyXXmHcsqR05JgLNUeStWuzTx2j8YQj+ZHLE1bChkwluMxAWmKdvNsKIZ6HBBO40VKKAp8MGcnpSQwuHe7wDHhFcH9Lvw6xd9Oap+8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706187378; c=relaxed/simple; bh=Hz949nb4lJNuFe+Z12rgcbk9PTaVMBCB/44QDUQ+PUE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=n43CXhOSNzMf1zECaOyMRieq6PZTl5KWsFFuA4g9yckclBFk9wqmBzaOkvEdrPybAOeSqvkQNNuUi+jVVZli0Zi0GUcsSaa/PeP6UeqwStMZ2w36oL+y4NUwJ8DphWkF/Cu7TVSznZYXV3fiJ3Ke6Au++lFa+PbSdrvtVoycI+0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu; spf=pass smtp.mailfrom=mit.edu; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b=AXNMOdEC; arc=none smtp.client-ip=18.9.28.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mit.edu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b="AXNMOdEC" Received: from cwcc.thunk.org (pool-173-48-116-13.bstnma.fios.verizon.net [173.48.116.13]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 40PCtcvB025504 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 25 Jan 2024 07:55:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1706187343; bh=bvFlhgLlZ8Qq5mF+gcNynEDGbVLG6HAWaNnn+mQ+qCY=; h=Date:From:Subject:Message-ID:MIME-Version:Content-Type; b=AXNMOdECpb9zLwnSBgQ+xCDDBQEVc2C/TUNlqZMluQ0U+JO06HP2xSgTNnDwLUchP Pdux56229Wz8MZrBsnFGB6unKKj2QySSA7lejgYXHwaNGCnsN/7MjXw3DxB+Eb0rRp VzqEHr21zp6wjtlKtM1K63B4HhwFCDZQTFmU2fWvasdUt9949PolBpFWfMAEfrevWo KIkk5NwqOBNFF63mhX7E9n2F1nM1vhkb4CxouG0dd4Hqf/9qPZEvp323/9OVKAMX1L SlukiI2xUdSZCmauyqevrwMxQa59YWjHZcvsH9KWExGKnzAhjvbrUmDxwS9LM/LZbj IrfcSvwFzNrcA== Received: by cwcc.thunk.org (Postfix, from userid 15806) id B617E15C04DD; Thu, 25 Jan 2024 07:55:38 -0500 (EST) Date: Thu, 25 Jan 2024 07:55:38 -0500 From: "Theodore Ts'o" To: syzbot Cc: adilger.kernel@dilger.ca, axboe@kernel.dk, brauner@kernel.org, jack@suse.cz, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, yebin10@huawei.com Subject: Re: [syzbot] [ext4?] kernel BUG in ext4_split_extent_at (2) Message-ID: <20240125125538.GB2125008@mit.edu> References: <00000000000099887f05fdfc6e10@google.com> <000000000000d7ed43060fb5f676@google.com> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000d7ed43060fb5f676@google.com> On Wed, Jan 24, 2024 at 11:21:05AM -0800, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit 6f861765464f43a71462d52026fbddfc858239a5 > Author: Jan Kara > Date: Wed Nov 1 17:43:10 2023 +0000 > > fs: Block writes to mounted block devices #syz fix: fs: Block writes to mounted block devices