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@kernel.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.

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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!