From: Christoph Hellwig <hch@lst.de>
To: Dave Chinner <david@fromorbit.com>
Cc: syzbot <syzbot+4a08ffdf3667b36650a1@syzkaller.appspotmail.com>,
adilger.kernel@dilger.ca, djwong@kernel.org,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
song@kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu,
yukuai3@huawei.com, zhang_shurong@foxmail.com,
linux-block@vger.kernel.org, axboe@kernel.dk, hch@lst.de
Subject: Re: [syzbot] [xfs?] [ext4?] kernel BUG in __block_write_begin_int
Date: Mon, 4 Sep 2023 15:26:49 +0200 [thread overview]
Message-ID: <20230904132649.GA4819@lst.de> (raw)
In-Reply-To: <ZPWWZeWliX7RhOAZ@dread.disaster.area>
On Mon, Sep 04, 2023 at 06:33:41PM +1000, Dave Chinner wrote:
> It appears that 0010:__block_write_begin_int() has iterated beyond
> the iomap that was passed in, triggering the BUG_ON() check in
> iomap_to_bh().
Yes, I'll look into it.
next prev parent reply other threads:[~2023-09-04 13:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-04 7:29 [syzbot] [xfs?] [ext4?] kernel BUG in __block_write_begin_int syzbot
2023-09-04 8:11 ` Yu Kuai
2023-09-04 8:33 ` Dave Chinner
2023-09-04 13:26 ` Christoph Hellwig [this message]
2023-09-05 7:44 ` Christoph Hellwig
2023-09-05 9:26 ` Aleksandr Nogikh
2023-09-05 10:04 ` [syzbot] [block] " syzbot
2023-09-05 12:26 ` Christoph Hellwig
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