netdev - Re: [PATCH ethtool v2] Fix argc and argp handling issues

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Date: Mon, 08 May 2023 21:20:20 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Nicholas Vinson <nvinson234@...il.com>
Cc: mkubeck@...e.cz, netdev@...r.kernel.org
Subject: Re: [PATCH ethtool v2] Fix argc and argp handling issues

Hello:

This patch was applied to ethtool/ethtool.git (master)
by Michal Kubecek <mkubecek@...e.cz>:

On Mon,  8 May 2023 16:23:07 -0400 you wrote:
> Fixes issues that were originally found using gcc's static analyzer. The
> flags used to invoke the analyzer are given below.
> 
> Upon manual review of the results and discussion of the previous patch
> '[PATCH ethtool 3/3] Fix potential null-pointer deference issues.', it
> was determined that when using a kernel lacking the execve patch ( see
> https://github.com/gregkh/linux/commit/dcd46d897adb70d63e025f175a00a89797d31a43),
> it is possible for argc to be 0 and argp to be an array with only a
> single NULL entry. This scenario would cause ethtool to read beyond the
> bounds of the argp array. However, this scenario should not be possible
> for any Linux kernel released within the last two years should have the
> execve patch applied.
> 
> [...]

Here is the summary with links:
  - [ethtool,v2] Fix argc and argp handling issues
    https://git.kernel.org/pub/scm/network/ethtool/ethtool.git/commit/?id=7e21a348b37a

You are awesome, thank you!
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