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Message-Id: <167522881807.32169.6049993626968458851.git-patchwork-notify@kernel.org>
Date: Wed, 01 Feb 2023 05:20:18 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Yan Zhai <yan@...udflare.com>
Cc: netdev@...r.kernel.org, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, davem@...emloft.net, asml.silence@...il.com,
imagedong@...cent.com, keescook@...omium.org, jbenc@...hat.com,
richardbgobert@...il.com, willemb@...gle.com,
steffen.klassert@...unet.com, daniel@...earbox.net,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: fix NULL pointer in skb_segment_list
Hello:
This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:
On Mon, 30 Jan 2023 12:51:48 -0800 you wrote:
> Commit 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
> introduced UDP listifyed GRO. The segmentation relies on frag_list being
> untouched when passing through the network stack. This assumption can be
> broken sometimes, where frag_list itself gets pulled into linear area,
> leaving frag_list being NULL. When this happens it can trigger
> following NULL pointer dereference, and panic the kernel. Reverse the
> test condition should fix it.
>
> [...]
Here is the summary with links:
- net: fix NULL pointer in skb_segment_list
https://git.kernel.org/netdev/net/c/876e8ca83667
You are awesome, thank you!
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