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Date: Thu, 04 Apr 2024 16:40:30 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, jhs@...atatu.com,
xiyou.wangcong@...il.com, jiri@...nulli.us, netdev@...r.kernel.org,
eric.dumazet@...il.com
Subject: Re: [PATCH net] net/sched: act_skbmod: prevent kernel-infoleak
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:
On Wed, 3 Apr 2024 13:09:08 +0000 you wrote:
> syzbot found that tcf_skbmod_dump() was copying four bytes
> from kernel stack to user space [1].
>
> The issue here is that 'struct tc_skbmod' has a four bytes hole.
>
> We need to clear the structure before filling fields.
>
> [...]
Here is the summary with links:
- [net] net/sched: act_skbmod: prevent kernel-infoleak
https://git.kernel.org/netdev/net/c/d313eb8b7755
You are awesome, thank you!
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