Re: [PATCH net] ipv4: validate checksum_start before completing checksum

From: patchwork-bot+netdevbpf

Date: Thu Oct 08 2026 - 14:40:47 EST


Hello:

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

On Wed, 7 Oct 2026 18:42:49 -0400 you wrote:
> If a packet with bad checksum metadata gets into the ipv4 stack,
> skb_checksum_help can corrupt the network header and cause a bunch of
> mischief.
>
> This was discovered and reported by Paulos, and has been reporoduced
> by others independently since.
>
> [...]

Here is the summary with links:
- [net] ipv4: validate checksum_start before completing checksum
https://git.kernel.org/netdev/net/c/6785011f8b16

You are awesome, thank you!
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