From: sashiko-bot@kernel.org
To: "Jiale Yao" <yaojiale02@163.com>
Cc: linux-rdma@vger.kernel.org
Subject: Re: [PATCH] RDMA/mad: Reject receive completions shorter than GRH
Date: Sat, 26 Sep 2026 11:07:11 +0000 [thread overview]
Message-ID: <20260926110711.E45921F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260926105927.3183294-1-yaojiale02@163.com>
> ib_mad_recv_done() derives the OPA MAD length by subtracting the GRH
> size from wc->byte_len without ensuring the receive completion covers
> the GRH. If it is shorter, the subtraction wraps before the result is
> stored in mad_len and an invalid length can be passed downstream.
>
> Reject receive completions shorter than the GRH before inspecting the
> MAD header or deriving the MAD length.
>
> Fixes: 8e4349d13f33 ("IB/mad: Add final OPA MAD processing")
> Signed-off-by: Jiale Yao <yaojiale02@163.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260926105927.3183294-1-yaojiale02@163.com?part=1
next prev parent reply other threads:[~2026-09-26 11:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-26 10:59 [PATCH] RDMA/mad: Reject receive completions shorter than GRH Jiale Yao
2026-09-26 11:07 ` sashiko-bot [this message]
2026-09-29 18:59 ` Leon Romanovsky
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