From: Leon Romanovsky <leon@kernel.org>
To: yishaih@nvidia.com, jgg@ziepe.ca, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org,
Praveen Kumar Kannoju <praveen.kannoju@oracle.com>
Subject: Re: [PATCH v4] IB/mlx4: Fix stale CM id_map entries when RTU is never received
Date: Thu, 16 Jul 2026 04:29:57 -0400 [thread overview]
Message-ID: <178419059769.297515.12559710952711271768.b4-ty@kernel.org> (raw)
In-Reply-To: <20260715080738.1357072-1-praveen.kannoju@oracle.com>
On Wed, 15 Jul 2026 08:07:38 +0000, Praveen Kumar Kannoju wrote:
> mlx4_ib_multiplex_cm_handler() allocates an id_map_entry for CM
> transactions, but the entry is normally released only on DREQ or REJ
> flows.
>
> In the duplicate REP handling scenario, cm_dup_rep_handler() may be
> invoked when the remote side receives a REP for which no matching
> cm_id_priv exists. In such cases the CM handshake never reaches RTU, and
> the sender side may never receive either DREQ or REJ cleanup events.
>
> [...]
Applied, thanks!
[1/1] IB/mlx4: Fix stale CM id_map entries when RTU is never received
https://git.kernel.org/rdma/rdma/c/548897f0f78837
Best regards,
--
Leon Romanovsky <leon@kernel.org>
next prev parent reply other threads:[~2026-07-16 8:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-15 8:07 Praveen Kumar Kannoju
2026-07-16 8:29 ` Leon Romanovsky [this message]
2026-07-16 8:33 ` Praveen Kannoju
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