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From: Prathamesh Deshpande <prathameshdeshpande7@gmail.com>
To: Leon Romanovsky <leon@kernel.org>
Cc: jgg@ziepe.ca, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] IB/mlx5: Fix potential NULL dereference in query_device
Date: Fri, 10 Apr 2026 02:07:06 +0100	[thread overview]
Message-ID: <20260410010719.5300-1-prathameshdeshpande7@gmail.com> (raw)
In-Reply-To: <20260409095158.GE86584@unreal>

On Thu, Apr 9, 2026 at 12:51:58 +0300, Leon Romanovsky wrote:
> uhw is not guaranteed to be non-NULL in mlx5_ib_query_device(). This
> function is used in both kernel and user-space paths. The only condition
> that cannot occur is a caller providing a non-zero 'uhw_outlen' while
> passing a NULL 'uhw' pointer.

Hi Leon,

Thanks for the explanation. Since uhw_outlen effectively guards uhw 
in these paths, I’ll drop this patch as a static analysis false positive.

Thanks,
Prathamesh

  reply	other threads:[~2026-04-10  1:07 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <202603311604.GD814676@unreal>
2026-03-31 21:57 ` [PATCH] IB/mlx5: Fix potential NULL dereference in query_device Prathamesh Deshpande
2026-04-09  9:51   ` Leon Romanovsky
2026-04-10  1:07     ` Prathamesh Deshpande [this message]
2026-03-31  1:44 Prathamesh Deshpande
2026-03-31 13:49 ` Leon Romanovsky
2026-03-31 18:25   ` Prathamesh Deshpande
2026-03-31 19:04     ` Leon Romanovsky

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