[PATCH v2 1/1] nvme: fix FDP configuration log parsing

[Nitesh Shetty]

On 27/05/26 10:29AM, liuxixin wrote:
>	<cover.1779848573.git.gliuxen at gmail.com>
>From: liuxixin <gliuxen at gmail.com>
>Date: Wed, 27 May 2026 10:22:32 +0800
>Subject: [PATCH v2 1/1] nvme: fix FDP configuration log parsing
>
>The fdpcidx bounds check sets n = NUMFDPC + 1 but used > instead of >=,
>incorrectly accepting fdp_idx when it equals n (i.e. NUMFDPC + 1).
>
>Also validate descriptor sizes while walking the list so dsze == 0 or a
>descriptor past the log end cannot cause unbounded iteration or reads past
>the buffer.
>
>Fixes: 30b5f20bb2ddab013035399e5c7e6577da49320a ("nvme: register fdp parameters with the block layer")
>
>Signed-off-by: liuxixin <gliuxen at gmail.com>

Reviewed-by: Nitesh Shetty <nj.shetty at samsung.com>