From: patchwork-bot+netdevbpf@kernel.org
To: Norbert Szetei <norbert@doyensec.com>
Cc: netdev@vger.kernel.org, andrew+netdev@lunn.ch,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, qingfang.deng@linux.dev,
yuehaibing@huawei.com, gnault@redhat.com, kees@kernel.org,
hataegu0826@gmail.com, linux-ppp@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v3] ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF
Date: Fri, 10 Jul 2026 11:40:10 +0000 [thread overview]
Message-ID: <178368361038.197766.8115253096775560860.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <E793FCF2-58DE-4387-A983-C7B4BC3158BD@doyensec.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Mon, 6 Jul 2026 11:01:59 +0200 you wrote:
> pppol2tp_recv() runs in the L2TP UDP-encap softirq RX path:
>
> l2tp_udp_encap_recv() -> l2tp_recv_common() -> pppol2tp_recv()
> -> ppp_input(&po->chan)
>
> It runs under rcu_read_lock() holding only an l2tp_session reference and
> takes NO reference on the internal PPP channel (struct channel,
> chan->ppp) that ppp_input() dereferences.
>
> [...]
Here is the summary with links:
- [net,v3] ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF
https://git.kernel.org/netdev/net/c/ec4215683e47
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-07-10 11:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-06 9:01 [PATCH net v3] ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF Norbert Szetei
2026-07-07 2:05 ` Qingfang Deng
2026-07-10 11:40 ` patchwork-bot+netdevbpf [this message]
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