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From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
	horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com,
	jamesburton@meta.com
Subject: Re: [PATCH net] netlink: do not free nlk->groups while lockless readers can use it
Date: Wed, 16 Sep 2026 01:50:04 +0000	[thread overview]
Message-ID: <178952340464.2355876.9608476266653618510.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260911160804.917099-1-edumazet@google.com>

Hello:

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

On Fri, 11 Sep 2026 16:08:04 +0000 you wrote:
> netlink_realloc_groups() uses krealloc() under netlink_table_grab().
> Whenever NLGRPSZ(groups) lands in a different kmalloc bucket, the old
> bitmap is freed immediately.
> 
> Two readers of nlk->groups / nlk->ngroups do not hold the netlink
> table lock:
> 
> [...]

Here is the summary with links:
  - [net] netlink: do not free nlk->groups while lockless readers can use it
    https://git.kernel.org/netdev/net/c/ceac0de741bf

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



      parent reply	other threads:[~2026-09-16  1:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-11 16:08 [PATCH net] netlink: do not free nlk->groups while lockless readers can use it Eric Dumazet
2026-09-11 16:49 ` Jakub Kicinski
2026-09-11 16:59   ` Eric Dumazet
2026-09-16  1:50 ` patchwork-bot+netdevbpf [this message]

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