linux-kernel - Re: [PATCH net] vxlan: Fix uninit-value in vxlan_vnifilter

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Message-Id: 
 <173801944075.3253418.13654964922922414195.git-patchwork-notify@kernel.org>
Date: Mon, 27 Jan 2025 23:10:40 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Shigeru Yoshida <syoshida@...hat.com>
Cc: andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, syzkaller@...glegroups.com
Subject: Re: [PATCH net] vxlan: Fix uninit-value in vxlan_vnifilter_dump()

Hello:

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

On Thu, 23 Jan 2025 23:57:46 +0900 you wrote:
> KMSAN reported an uninit-value access in vxlan_vnifilter_dump() [1].
> 
> If the length of the netlink message payload is less than
> sizeof(struct tunnel_msg), vxlan_vnifilter_dump() accesses bytes
> beyond the message. This can lead to uninit-value access. Fix this by
> returning an error in such situations.
> 
> [...]

Here is the summary with links:
  - [net] vxlan: Fix uninit-value in vxlan_vnifilter_dump()
    https://git.kernel.org/netdev/net/c/5066293b9b70

You are awesome, thank you!
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