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From: patchwork-bot+netdevbpf@kernel.org
To: Wei Fang <wei.fang@nxp.com>
Cc: claudiu.manoil@nxp.com, vladimir.oltean@nxp.com,
	xiaoning.wang@nxp.com, andrew+netdev@lunn.ch,
	davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, chleroy@kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, imx@lists.linux.dev,
	linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 net 0/2] net: enetc: fix command BD ring issues
Date: Fri, 17 Apr 2026 02:40:18 +0000	[thread overview]
Message-ID: <177639361854.3490984.12957233652551599024.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260415060833.2303846-1-wei.fang@nxp.com>

Hello:

This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Wed, 15 Apr 2026 14:08:31 +0800 you wrote:
> Currently, the implementation of command BD ring has two issues, one is
> that the driver may obtain wrong consumer index of the ring, because the
> driver does not mask out the SBE bit of the CIR value, so a wrong index
> will be obtained when a SBE error ouccrs. The other one is that the DMA
> buffer may be used after free. If netc_xmit_ntmp_cmd() times out and
> returns an error, the pending command is not explicitly aborted, while
> ntmp_free_data_mem() unconditionally frees the DMA buffer. If the buffer
> has already been reallocated elsewhere, this may lead to silent memory
> corruption. Because the hardware eventually processes the pending command
> and perform a DMA write of the response to the physical address of the
> freed buffer. So this patch set is to fix these two issues.
> 
> [...]

Here is the summary with links:
  - [v2,net,1/2] net: enetc: correct the command BD ring consumer index
    https://git.kernel.org/netdev/net/c/759a32900b6f
  - [v2,net,2/2] net: enetc: fix NTMP DMA use-after-free issue
    https://git.kernel.org/netdev/net/c/3cade698881e

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html




      parent reply	other threads:[~2026-04-17  2:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-15  6:08 [PATCH v2 net 0/2] net: enetc: fix command BD ring issues Wei Fang
2026-04-15  6:08 ` [PATCH v2 net 1/2] net: enetc: correct the command BD ring consumer index Wei Fang
2026-04-15  6:08 ` [PATCH v2 net 2/2] net: enetc: fix NTMP DMA use-after-free issue Wei Fang
2026-04-17  2:40 ` patchwork-bot+netdevbpf [this message]

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