From: Greg KH <gregkh@linuxfoundation.org>
To: Min Li <min15.li@samsung.com>
Cc: axboe@kernel.dk, willy@infradead.org, hch@lst.de,
dlemoal@kernel.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] block: add check that partition length needs to be aligned with block size
Date: Mon, 26 Jun 2023 16:42:36 +0200 [thread overview]
Message-ID: <2023062625-macaw-chant-e515@gregkh> (raw)
In-Reply-To: <20230626171021.5895-1-min15.li@samsung.com>
On Mon, Jun 26, 2023 at 05:10:21PM +0000, Min Li wrote:
> Before calling add partition or resize partition, there is no check
> on whether the length is aligned with the logical block size.
> If the logical block size of the disk is larger than 512 bytes,
> then the partition size maybe not the multiple of the logical block size,
> and when the last sector is read, bio_truncate() will adjust the bio size,
> resulting in an IO error if the size of the read command is smaller than
> the logical block size.If integrity data is supported, this will also
> result in a null pointer dereference when calling bio_integrity_free.
>
> Signed-off-by: Min Li <min15.li@samsung.com>
What commit id does this fix?
thanks,
greg k-h
prev parent reply other threads:[~2023-06-26 14:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20230626091207epcas5p2a2957dfe97c4d82e39defa557d7ffd0e@epcas5p2.samsung.com>
2023-06-26 17:10 ` [PATCH] block: add check that partition length needs to be aligned with block size Min Li
2023-06-26 9:38 ` Damien Le Moal
2023-06-26 14:42 ` Greg KH [this message]
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