linux-kernel - Re: [PATCH net v5] net: atlantic: fix fragment overflow handling in RX path

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Message-Id: 
 <176421602449.2412149.12412790479602516578.git-patchwork-notify@kernel.org>
Date: Thu, 27 Nov 2025 04:00:24 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jiefeng <jiefeng.z.zhang@...il.com>
Cc: netdev@...r.kernel.org, kuba@...nel.org, grundler@...omium.org,
 davem@...emloft.net, pabeni@...hat.com, andrew+netdev@...n.ch,
 edumazet@...gle.com, linux-kernel@...r.kernel.org, irusskikh@...vell.com
Subject: Re: [PATCH net v5] net: atlantic: fix fragment overflow handling in
 RX
 path

Hello:

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

On Wed, 26 Nov 2025 11:22:49 +0800 you wrote:
> From: Jiefeng Zhang <jiefeng.z.zhang@...il.com>
> 
> The atlantic driver can receive packets with more than MAX_SKB_FRAGS (17)
> fragments when handling large multi-descriptor packets. This causes an
> out-of-bounds write in skb_add_rx_frag_netmem() leading to kernel panic.
> 
> The issue occurs because the driver doesn't check the total number of
> fragments before calling skb_add_rx_frag(). When a packet requires more
> than MAX_SKB_FRAGS fragments, the fragment index exceeds the array bounds.
> 
> [...]

Here is the summary with links:
  - [net,v5] net: atlantic: fix fragment overflow handling in RX path
    https://git.kernel.org/netdev/net/c/5ffcb7b890f6

You are awesome, thank you!
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