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From: patchwork-bot+netdevbpf@kernel.org
To: Michael Bommarito <michael.bommarito@gmail.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, atenart@kernel.org, horms@kernel.org,
	tom@herbertland.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net v2] ila: reload IPv6 header after pskb_may_pull in checksum adjust
Date: Wed, 22 Jul 2026 21:10:08 +0000	[thread overview]
Message-ID: <178475460864.2026851.2730101991676119458.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260714114903.3763420-1-michael.bommarito@gmail.com>

Hello:

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

On Tue, 14 Jul 2026 07:49:03 -0400 you wrote:
> ila_csum_adjust_transport() caches ip6h = ipv6_hdr(skb) before calling
> pskb_may_pull(). On a non-linear skb whose transport header sits in a page
> fragment, pskb_may_pull() can call __pskb_pull_tail() / pskb_expand_head()
> and free the old skb head, leaving ip6h dangling; the following
> get_csum_diff(ip6h, p) then reads freed memory. ila_update_ipv6_locator()
> uses ip6h (and the iaddr derived from it) again after the csum-adjust
> call and additionally writes the new locator through that pointer.
> 
> [...]

Here is the summary with links:
  - [net,v2] ila: reload IPv6 header after pskb_may_pull in checksum adjust
    https://git.kernel.org/netdev/net/c/92d3817649df

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



      parent reply	other threads:[~2026-07-22 21:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-14 11:49 [PATCH net v2] ila: reload IPv6 header after pskb_may_pull in checksum adjust Michael Bommarito
2026-07-21 16:03 ` Simon Horman
2026-07-22  7:26 ` Antoine Tenart
2026-07-22 21:10 ` patchwork-bot+netdevbpf [this message]

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