From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>
Cc: minchan@kernel.org, senozhatsky@chromium.org,
linux-block@vger.kernel.org,
syzbot+b8d61a58b7c7ebd2c8e0@syzkaller.appspotmail.com
Subject: Re: [PATCH] block: make bio_check_eod work for zero sized devices
Date: Wed, 24 May 2023 08:19:36 -0600 [thread overview]
Message-ID: <168493797680.546524.7090533632380144712.b4-ty@kernel.dk> (raw)
In-Reply-To: <20230524060538.1593686-1-hch@lst.de>
On Wed, 24 May 2023 08:05:38 +0200, Christoph Hellwig wrote:
> Since the dawn of time bio_check_eod has a check for a non-zero size of
> the device. This doesn't really make any sense as we never want to send
> I/O to a device that's been set to zero size, or never moved out of that.
>
> I am a bit surprised we haven't caught this for a long time, but the
> removal of the extra validation inside of zram caused syzbot to trip
> over this issue recently. I've added a Fixes tag for that commit, but
> the issue really goes back way before git history.
>
> [...]
Applied, thanks!
[1/1] block: make bio_check_eod work for zero sized devices
commit: 3eb96946f0be6bf447cbdf219aba22bc42672f92
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2023-05-24 14:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-24 6:05 [PATCH] block: make bio_check_eod work for zero sized devices Christoph Hellwig
2023-05-24 14:19 ` Jens Axboe [this message]
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