linux-kernel - Re: [PATCH 01/20] block: validate pi

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Message-ID: <aUPA8zb70ZhC-Jtf@infradead.org>
Date: Thu, 18 Dec 2025 00:53:07 -0800
From: Christoph Hellwig <hch@...radead.org>
To: Caleb Sander Mateos <csander@...estorage.com>
Cc: Ming Lei <ming.lei@...hat.com>, Jens Axboe <axboe@...nel.dk>,
	Shuah Khan <shuah@...nel.org>, linux-block@...r.kernel.org,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
	Stanley Zhang <stazhang@...estorage.com>,
	Uday Shankar <ushankar@...estorage.com>
Subject: Re: [PATCH 01/20] block: validate pi_offset integrity limit

On Tue, Dec 16, 2025 at 10:34:35PM -0700, Caleb Sander Mateos wrote:
> The PI tuple must be contained within the metadata value, so validate
> that pi_offset + pi_tuple_size <= metadata_size. This guards against
> block drivers that report invalid pi_offset values.

Looks good:

Reviewed-by: Christoph Hellwig <hch@....de>

Please send this to Jens as a fix ASAP.