Subject: Re: [PATCH v3 net] net: add proper RCU protection to /proc/net/ptype

From: [email-masked]
Date: Wed, 04 Feb 2026 03:30:11 +0000

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email-masked]>:

On Mon,  2 Feb 2026 20:52:17 +0000 you wrote:
> Yin Fengwei reported an RCU stall in ptype_seq_show() and provided
> a patch.
> 
> Real issue is that ptype_seq_next() and ptype_seq_show() violate
> RCU rules.
> 
> ptype_seq_show() runs under rcu_read_lock(), and reads pt->dev
> to get device name without any barrier.
> 
> [...]

Here is the summary with links:
  - [v3,net] net: add proper RCU protection to /proc/net/ptype
    https://git.kernel.org/netdev/net/c/f613e8b4afea

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