netdev - Re: [PATCH net] net: prevent mss overflow in skb

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Date: Thu, 14 Dec 2023 02:30:24 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 netdev@...r.kernel.org, eric.dumazet@...il.com, marcelo.leitner@...il.com,
 willemb@...gle.com
Subject: Re: [PATCH net] net: prevent mss overflow in skb_segment()

Hello:

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

On Tue, 12 Dec 2023 16:46:21 +0000 you wrote:
> Once again syzbot is able to crash the kernel in skb_segment() [1]
> 
> GSO_BY_FRAGS is a forbidden value, but unfortunately the following
> computation in skb_segment() can reach it quite easily :
> 
> 	mss = mss * partial_segs;
> 
> [...]

Here is the summary with links:
  - [net] net: prevent mss overflow in skb_segment()
    https://git.kernel.org/netdev/net/c/23d05d563b7e

You are awesome, thank you!
-- 
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