netdev - Re: [PATCH net v3] net: dsa: microchip: linearize skb for tail-tagging switches

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Message-Id: 
 <174743703450.4089123.12129589622253332288.git-patchwork-notify@kernel.org>
Date: Fri, 16 May 2025 23:10:34 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jakob Unterwurzacher <jakobunt@...il.com>
Cc: woojung.huh@...rochip.com, UNGLinuxDriver@...rochip.com, andrew@...n.ch,
 olteanv@...il.com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, horms@...nel.org, Tristram.Ha@...rochip.com,
 marex@...x.de, f.fainelli@...il.com, quentin.schulz@...rry.de,
 jakob.unterwurzacher@...rry.de, stable@...r.kernel.org,
 Woojung.Huh@...rochip.com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v3] net: dsa: microchip: linearize skb for tail-tagging
 switches

Hello:

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

On Thu, 15 May 2025 09:29:19 +0200 you wrote:
> The pointer arithmentic for accessing the tail tag only works
> for linear skbs.
> 
> For nonlinear skbs, it reads uninitialized memory inside the
> skb headroom, essentially randomizing the tag. I have observed
> it gets set to 6 most of the time.
> 
> [...]

Here is the summary with links:
  - [net,v3] net: dsa: microchip: linearize skb for tail-tagging switches
    https://git.kernel.org/netdev/net/c/ba54bce747fa

You are awesome, thank you!
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