netdev - Re: [PATCH] cipso: harden use of skb_cow() in cipso_v4_skbuff

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Message-Id: 
 <176908080535.1676098.17318230708318631891.git-patchwork-notify@kernel.org>
Date: Thu, 22 Jan 2026 11:20:05 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Will Rosenberg <whrosenb@....edu>
Cc: paul@...l-moore.com, davem@...emloft.net, dsahern@...nel.org,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 netdev@...r.kernel.org, linux-security-module@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cipso: harden use of skb_cow() in
 cipso_v4_skbuff_setattr()

Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Tue, 20 Jan 2026 08:57:38 -0700 you wrote:
> If skb_cow() is passed a headroom <= -NET_SKB_PAD, it will trigger a
> BUG. As a result, use cases should avoid calling with a headroom that
> is negative to prevent triggering this issue.
> 
> This is the same code pattern fixed in Commit 58fc7342b529 ("ipv6:
> BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()").
> 
> [...]

Here is the summary with links:
  - cipso: harden use of skb_cow() in cipso_v4_skbuff_setattr()
    https://git.kernel.org/netdev/net-next/c/40cb4cb77ea2

You are awesome, thank you!
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