Re: [PATCH] net: sparx5/lan969x: do not read past skb->len when injecting a frame
From: patchwork-bot+netdevbpf
Date: Fri Oct 23 2026 - 17:03:35 EST
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Wed, 21 Oct 2026 12:48:26 +0200 you wrote:
> sparx5_inject() writes the frame to the injection FIFO one 32-bit word
> at a time, and pads frames shorter than 60 bytes with zero words.
>
> Before this patch, the last word is loaded whole even when skb->len is
> not a multiple of four, so 1 to 3 bytes past the end of the frame are
> read. For a frame shorter than 60 bytes those bytes are also
> transmitted, as VLD_BYTES marks the whole last word valid and the
> padding starts at the next word.
>
> [...]
Here is the summary with links:
- net: sparx5/lan969x: do not read past skb->len when injecting a frame
https://git.kernel.org/netdev/net/c/9642ce6cb51e
You are awesome, thank you!
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