linux-kernel - Re: [PATCH net-next] net: fix uninitialised msghdr->sg_from

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Message-Id: <165852721336.8145.1830308584894724128.git-patchwork-notify@kernel.org>
Date:   Fri, 22 Jul 2022 22:00:13 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Pavel Begunkov <asml.silence@...il.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        davem@...emloft.net, kuba@...nel.org, dsahern@...nel.org
Subject: Re: [PATCH net-next] net: fix uninitialised msghdr->sg_from_iter

Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Thu, 21 Jul 2022 15:25:46 +0100 you wrote:
> Because of how struct msghdr is usually initialised some fields and
> sg_from_iter in particular might be left out not initialised, so we
> can't safely use it in __zerocopy_sg_from_iter().
> 
> For now use the callback only when there is ->msg_ubuf set relying on
> the fact that they're used together and we properly zero ->msg_ubuf.
> 
> [...]

Here is the summary with links:
  - [net-next] net: fix uninitialised msghdr->sg_from_iter
    https://git.kernel.org/netdev/net-next/c/2829a267fca2

You are awesome, thank you!
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