linux-hardening - Re: [PATCH] net: ethtool: Adjust exactly ETH_GSTRING

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Message-Id: 
 <174494224374.79616.15601499519996041916.git-patchwork-notify@kernel.org>
Date: Fri, 18 Apr 2025 02:10:43 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kees Cook <kees@...nel.org>
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Subject: Re: [PATCH] net: ethtool: Adjust exactly ETH_GSTRING_LEN-long stats to
 use memcpy

Hello:

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

On Tue, 15 Apr 2025 18:02:15 -0700 you wrote:
> Many drivers populate the stats buffer using C-String based APIs (e.g.
> ethtool_sprintf() and ethtool_puts()), usually when building up the
> list of stats individually (i.e. with a for() loop). This, however,
> requires that the source strings be populated in such a way as to have
> a terminating NUL byte in the source.
> 
> Other drivers populate the stats buffer directly using one big memcpy()
> of an entire array of strings. No NUL termination is needed here, as the
> bytes are being directly passed through. Yet others will build up the
> stats buffer individually, but also use memcpy(). This, too, does not
> need NUL termination of the source strings.
> 
> [...]

Here is the summary with links:
  - net: ethtool: Adjust exactly ETH_GSTRING_LEN-long stats to use memcpy
    https://git.kernel.org/netdev/net-next/c/151e13ece86d

You are awesome, thank you!
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