From: Leon Romanovsky <leon@kernel.org>
To: jgg@ziepe.ca, Serhat Kumral <serhatkumral1@gmail.com>
Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RDMA/mthca: Fix off-by-one in mthca_map_user_db()
Date: Tue, 03 Nov 2026 04:55:20 -0500 [thread overview]
Message-ID: <179369972065.1713861.4162921741075127734.b4-ty@kernel.org> (raw)
In-Reply-To: <20261023192348.11070-1-serhatkumral1@gmail.com>
On Fri, 23 Oct 2026 22:23:48 +0300, Serhat Kumral wrote:
> db_tab->page[] has uarc_size / MTHCA_ICM_PAGE_SIZE elements, so valid
> doorbell indices are in the range [0, uarc_size / 8 - 1]. Allowing
> index == uarc_size / 8 results in an out-of-bounds access at
> db_tab->page[npages]. Use '>=' instead of '>' in the bounds check.
Applied, thanks!
[1/1] RDMA/mthca: Fix off-by-one in mthca_map_user_db()
https://git.kernel.org/rdma/rdma/c/0246639e79a413
Best regards,
--
Leon Romanovsky <leon@kernel.org>
prev parent reply other threads:[~2026-11-03 9:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-23 19:23 Serhat Kumral
2026-10-26 2:49 ` Chenguang Zhao
2026-11-03 9:55 ` Leon Romanovsky [this message]
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