From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>, Kees Cook <kees@kernel.org>,
Michael Bommarito <michael.bommarito@gmail.com>,
Li RongQing <lirongqing@baidu.com>,
Ira Weiny <iweiny@kernel.org>,
Doug Ledford <dledford@redhat.com>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
Jiale Yao <yaojiale02@163.com>
Subject: Re: [PATCH] RDMA/mad: Reject receive completions shorter than GRH
Date: Tue, 29 Sep 2026 14:59:47 -0400 [thread overview]
Message-ID: <179070838783.3976902.14064540367880322147.b4-ty@kernel.org> (raw)
In-Reply-To: <20260926105927.3183294-1-yaojiale02@163.com>
On Sat, 26 Sep 2026 18:59:25 +0800, Jiale Yao wrote:
> 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.
>
> [...]
Applied, thanks!
[1/1] RDMA/mad: Reject receive completions shorter than GRH
https://git.kernel.org/rdma/rdma/c/2dc2126e690203
Best regards,
--
Leon Romanovsky <leon@kernel.org>
prev parent reply other threads:[~2026-09-29 18:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-26 10:59 Jiale Yao
2026-09-29 18:59 ` Leon Romanovsky [this message]
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