Re: [PATCH net-next] net: dsa: mxl862xx: don't read out-of-bounds

[patchwork-bot+netdevbpf]

Hello:

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

On Wed, 18 Mar 2026 03:07:52 +0000 you wrote:
> The write loop in mxl862xx_api_wrap() computes the word count as
> (size + 1) / 2, rounding up for odd-sized structs.
> 
> On the last iteration of an odd-sized buffer it reads a full __le16
> from data[i], accessing one byte past the end of the caller's struct.
> KASAN catches this as a stack-out-of-bounds read during probe (e.g.
> from mxl862xx_bridge_config_fwd() because of the odd length of
> sizeof(struct mxl862xx_bridge_config) == 49).
> 
> [...]

Here is the summary with links:
  - [net-next] net: dsa: mxl862xx: don't read out-of-bounds
    https://git.kernel.org/netdev/net-next/c/6b5f49176a08

You are awesome, thank you!
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