Re: [PATCH net v5] gtp: serialize PDP context updates

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!