From: patchwork-bot+netdevbpf@kernel.org
To: XingWang Xiang <v3rdant.xiang@gmail.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, horms@kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH net] genetlink: pin family module during policy dump
Date: Fri, 04 Sep 2026 00:30:05 +0000 [thread overview]
Message-ID: <178848180590.4085709.16082801667183048704.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260902084317.4092542-1-v3rdant.xiang@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 2 Sep 2026 17:43:17 +0900 you wrote:
> The generic netlink controller's policy dump keeps pointers to the target
> family's operation and policy tables in its callback state. A dump may be
> split across multiple skbs and remain pending after the initial request.
>
> Netlink pins the module which owns the dump callback, but in this case
> that is the controller's owner rather than the target family's owner. The
> target family can consequently be unregistered and its module unloaded
> while a policy dump is pending. Advancing the dump then dereferences
> policy memory from the unloaded module.
>
> [...]
Here is the summary with links:
- [net] genetlink: pin family module during policy dump
https://git.kernel.org/netdev/net/c/6a1094c34d17
You are awesome, thank you!
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prev parent reply other threads:[~2026-09-04 0:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-02 8:43 [PATCH net] genetlink: pin family module during policy dump XingWang Xiang
2026-09-04 0:30 ` patchwork-bot+netdevbpf [this message]
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