netdev - Re: [PATCH net] ipv4: fix ip option filtering for locally generated fragments

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Date:   Mon, 24 Jan 2022 12:10:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        pablo@...filter.org, netdev@...r.kernel.org, ooppublic@....com
Subject: Re: [PATCH net] ipv4: fix ip option filtering for locally generated
 fragments

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Fri, 21 Jan 2022 16:57:31 -0800 you wrote:
> During IP fragmentation we sanitize IP options. This means overwriting
> options which should not be copied with NOPs. Only the first fragment
> has the original, full options.
> 
> ip_fraglist_prepare() copies the IP header and options from previous
> fragment to the next one. Commit 19c3401a917b ("net: ipv4: place control
> buffer handling away from fragmentation iterators") moved sanitizing
> options before ip_fraglist_prepare() which means options are sanitized
> and then overwritten again with the old values.
> 
> [...]

Here is the summary with links:
  - [net] ipv4: fix ip option filtering for locally generated fragments
    https://git.kernel.org/netdev/net/c/27a8caa59bab

You are awesome, thank you!
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