From: patchwork-bot+netdevbpf@kernel.org
To: Ming Qing <a0yami@mailbox.org>
Cc: pablo@netfilter.org, laforge@gnumonks.org, andrew+netdev@lunn.ch,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, horms@kernel.org, kuniyu@google.com,
osmocom-net-gprs@lists.osmocom.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net v5] gtp: serialize PDP context updates
Date: Sat, 22 Aug 2026 20:30:24 +0000 [thread overview]
Message-ID: <178743062488.1819488.16577192802417073757.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260818150000.7670-1-a0yami@mailbox.org>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 18 Aug 2026 23:00:00 +0800 you wrote:
> PDP contexts can be deleted through GTP_CMD_DELPDP or while the GTP
> network device is being unregistered. The latter is serialized by RTNL,
> but the generic-netlink delete path only holds RCU.
>
> Running both paths concurrently can therefore make both paths delete the
> same PDP context. The issue was found through static analysis and
> reproduced on a KASAN-enabled kernel by a simple two-thread program
> racing GTP_CMD_DELPDP against RTM_DELLINK:
>
> [...]
Here is the summary with links:
- [net,v5] gtp: serialize PDP context updates
https://git.kernel.org/netdev/net/c/498386b6d402
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-08-22 20:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-18 15:00 [PATCH net v5] gtp: serialize PDP context updates Qing Ming
2026-08-22 20:30 ` patchwork-bot+netdevbpf [this message]
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