netdev - Re: [PATCH net v2] net: vxlan: prevent NULL deref in vxlan_xmit

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Message-Id: 
 <176429580804.112305.1787461907893353166.git-patchwork-notify@kernel.org>
Date: Fri, 28 Nov 2025 02:10:08 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Antoine Tenart <atenart@...nel.org>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 edumazet@...gle.com, andrew+netdev@...n.ch, netdev@...r.kernel.org,
 liali@...hat.com, b.galvani@...il.com
Subject: Re: [PATCH net v2] net: vxlan: prevent NULL deref in vxlan_xmit_one

Hello:

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

On Wed, 26 Nov 2025 11:26:25 +0100 you wrote:
> Neither sock4 nor sock6 pointers are guaranteed to be non-NULL in
> vxlan_xmit_one, e.g. if the iface is brought down. This can lead to the
> following NULL dereference:
> 
>   BUG: kernel NULL pointer dereference, address: 0000000000000010
>   Oops: Oops: 0000 [#1] SMP NOPTI
>   RIP: 0010:vxlan_xmit_one+0xbb3/0x1580
>   Call Trace:
>    vxlan_xmit+0x429/0x610
>    dev_hard_start_xmit+0x55/0xa0
>    __dev_queue_xmit+0x6d0/0x7f0
>    ip_finish_output2+0x24b/0x590
>    ip_output+0x63/0x110
> 
> [...]

Here is the summary with links:
  - [net,v2] net: vxlan: prevent NULL deref in vxlan_xmit_one
    https://git.kernel.org/netdev/net/c/1f73a56f9860

You are awesome, thank you!
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