Subject: Re: [net v3] tcp: Specify cmsgbuf is user pointer for receive zerocopy.

From: [email-masked]
Date: Fri, 07 May 2021 01:10:09 +0000

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 <[email-masked]>
> 
> 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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