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

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Message-Id: 
 <177017581115.2166000.2077826690076413877.git-patchwork-notify@kernel.org>
Date: Wed, 04 Feb 2026 03:30:11 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 willemb@...gle.com, netdev@...r.kernel.org, eric.dumazet@...il.com,
 fengwei_yin@...ux.alibaba.com, dongchenchen2@...wei.com
Subject: Re: [PATCH v3 net] net: add proper RCU protection to /proc/net/ptype

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

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!
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