[PATCH] net: sparx5/lan969x: do not read past skb->len when injecting a frame

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Fri Oct 23 14:00:24 PDT 2026


Hello:

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

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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