netdev - Re: [PATCH net] net: bridge: mst: fix vlan use-after-free

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Message-Id: 
 <171577022964.14646.1553082232866025544.git-patchwork-notify@kernel.org>
Date: Wed, 15 May 2024 10:50:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Nikolay Aleksandrov <razor@...ckwall.org>
Cc: netdev@...r.kernel.org, tobias@...dekranz.com, kuba@...nel.org,
 roopa@...dia.com, bridge@...ts.linux.dev, edumazet@...gle.com,
 pabeni@...hat.com, syzbot+fa04eb8a56fd923fc5d8@...kaller.appspotmail.com
Subject: Re: [PATCH net] net: bridge: mst: fix vlan use-after-free

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Mon, 13 May 2024 14:06:27 +0300 you wrote:
> syzbot reported a suspicious rcu usage[1] in bridge's mst code. While
> fixing it I noticed that nothing prevents a vlan to be freed while
> walking the list from the same path (br forward delay timer). Fix the rcu
> usage and also make sure we are not accessing freed memory by making
> br_mst_vlan_set_state use rcu read lock.
> 
> [1]
>  WARNING: suspicious RCU usage
>  6.9.0-rc6-syzkaller #0 Not tainted
> 
> [...]

Here is the summary with links:
  - [net] net: bridge: mst: fix vlan use-after-free
    https://git.kernel.org/netdev/net/c/3a7c1661ae13

You are awesome, thank you!
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