From: patchwork-bot+netdevbpf@kernel.org
To: Arjun Roy <arjunroy.kdev@gmail.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org, arjunroy@google.com,
edumazet@google.com, soheil@google.com, kuba@kernel.org
Subject: Re: [net v3] tcp: Specify cmsgbuf is user pointer for receive zerocopy.
Date: Fri, 07 May 2021 01:10:09 +0000 [thread overview]
Message-ID: <162034980934.23850.4657728582811464794.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20210506223530.2266456-1-arjunroy.kdev@gmail.com>
Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Thu, 6 May 2021 15:35:30 -0700 you wrote:
> From: Arjun Roy <arjunroy@google.com>
>
> A prior change (1f466e1f15cf) introduces separate handling for
> ->msg_control depending on whether the pointer is a kernel or user
> pointer. However, while tcp receive zerocopy is using this field, it
> is not properly annotating that the buffer in this case is a user
> pointer. This can cause faults when the improper mechanism is used
> within put_cmsg().
>
> [...]
Here is the summary with links:
- [net,v3] tcp: Specify cmsgbuf is user pointer for receive zerocopy.
https://git.kernel.org/netdev/net/c/a6f8ee58a8e3
You are awesome, thank you!
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prev parent reply other threads:[~2021-05-07 1:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-06 22:35 [net v3] tcp: Specify cmsgbuf is user pointer for receive zerocopy Arjun Roy
2021-05-07 1:10 ` patchwork-bot+netdevbpf [this message]
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