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From: patchwork-bot+netdevbpf@kernel.org
To: Siddharth Vadapalli <s-vadapalli@ti.com>
Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
	kuba@kernel.org, pabeni@redhat.com, c-vankar@ti.com,
	horms@kernel.org, vadim.fedorenko@linux.dev, v-singh1@ti.com,
	nm@ti.com, daniel.zahka@gmail.com, nora.schiffer@ew.tq-group.com,
	oss@vassilevski.com, grygorii.strashko@ti.com,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, srk@ti.com
Subject: Re: [PATCH net] net: ethernet: ti: am65-cpsw-nuss: Fix port_id extraction from SRC TAG
Date: Thu, 13 Aug 2026 00:50:18 +0000	[thread overview]
Message-ID: <178658221863.2168272.12259674468445322692.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260807111738.2055900-1-s-vadapalli@ti.com>

Hello:

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

On Fri, 7 Aug 2026 16:47:37 +0530 you wrote:
> On the packet reception path, the ID of the MAC Port on which the packet
> was received, is embedded in the RX DMA Descriptor's metadata. The ID is
> extracted using the helper function cppi5_desc_get_tags_ids() which fills
> in the 16-bit Source Tag into the 'port_id' variable. However, it is only
> the lower 8-bits of the 16-bit Source Tag that represent the MAC Port ID,
> while the upper 8-bits are Hardware-Reserved and carry an arbitrary value.
> With the existing logic, sporadic kernel crash is observed due to the
> subsequent driver code accessing out-of-bound memory because of an invalid
> port_id.
> 
> [...]

Here is the summary with links:
  - [net] net: ethernet: ti: am65-cpsw-nuss: Fix port_id extraction from SRC TAG
    https://git.kernel.org/netdev/net/c/36a05d282007

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




      parent reply	other threads:[~2026-08-13  0:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-07 11:17 [PATCH net] net: ethernet: ti: am65-cpsw-nuss: Fix port_id extraction from SRC TAG Siddharth Vadapalli
2026-08-09 20:27 ` Chintan Vankar
2026-08-10 16:56 ` Simon Horman
2026-08-11  5:08   ` Siddharth Vadapalli
2026-08-11  7:48     ` Simon Horman
2026-08-13  0:50 ` patchwork-bot+netdevbpf [this message]

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