From: patchwork-bot+netdevbpf@kernel.org
To: Weiming Shi <bestswngs@gmail.com>
Cc: security@kernel.org, edumazet@google.com, davem@davemloft.net,
kuba@kernel.org, pabeni@redhat.com, horms@kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
xmei5@asu.edu
Subject: Re: [PATCH net v5] net: sock: fix hardened usercopy panic in sock_recv_errqueue
Date: Sun, 04 Jan 2026 18:22:43 +0000 [thread overview]
Message-ID: <176755096302.142863.3789456679843940692.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20251223203534.1392218-2-bestswngs@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 24 Dec 2025 04:35:35 +0800 you wrote:
> From: Weiming Shi <bestswngs@gmail.com>
>
> skbuff_fclone_cache was created without defining a usercopy region,
> [1] unlike skbuff_head_cache which properly whitelists the cb[] field.
> [2] This causes a usercopy BUG() when CONFIG_HARDENED_USERCOPY is
> enabled and the kernel attempts to copy sk_buff.cb data to userspace
> via sock_recv_errqueue() -> put_cmsg().
>
> [...]
Here is the summary with links:
- [net,v5] net: sock: fix hardened usercopy panic in sock_recv_errqueue
https://git.kernel.org/netdev/net/c/2a71a1a8d0ed
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-01-04 18:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-23 20:35 [PATCH net v5] net: sock: fix hardened usercopy panic in sock_recv_errqueue bestswngs
2025-12-24 8:52 ` Eric Dumazet
2025-12-24 17:29 ` Weiming Shi
2026-01-04 18:22 ` patchwork-bot+netdevbpf [this message]
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