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From: patchwork-bot+netdevbpf@kernel.org
To: Chengfeng Ye <nicoyip.dev@gmail.com>
Cc: dsahern@kernel.org, idosch@nvidia.com, davem@davemloft.net,
	edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
	horms@kernel.org, sbrivio@redhat.com, sd@queasysnail.net,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH net v3] ipv4: fix use-after-free in fib_nhc_update_mtu()
Date: Tue, 11 Aug 2026 09:30:06 +0000	[thread overview]
Message-ID: <178644060690.437668.7502162978674316301.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260807181710.1178747-1-nicoyip.dev@gmail.com>

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Sat,  8 Aug 2026 02:17:10 +0800 you wrote:
> fib_nhc_update_mtu() walks the nexthop exception table under RTNL, but
> RTNL does not serialize this walk with PMTU exception updates. The walk
> uses rcu_dereference_protected() with a constant true condition without
> holding fnhe_lock.
> 
> The following interleaving can therefore occur:
> 
> [...]

Here is the summary with links:
  - [net,v3] ipv4: fix use-after-free in fib_nhc_update_mtu()
    https://git.kernel.org/netdev/net/c/bc5bde9ce3cc

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2026-08-11  9:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-07 18:17 [PATCH net v3] ipv4: fix use-after-free in fib_nhc_update_mtu() Chengfeng Ye
2026-08-09  7:12 ` Ido Schimmel
2026-08-11  9:30 ` patchwork-bot+netdevbpf [this message]

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