netdev - Re: "general protection fault in netlbl_unlhsh

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Message-ID: <CAHC9VhRMaQ5jZBP7SVGbxiGTqHagMrkU+CW9OFySNG6Fwh4esQ@mail.gmail.com>
Date: Tue, 3 Dec 2024 22:59:28 -0500
From: Paul Moore <paul@...l-moore.com>
To: cheung wall <zzqq0103.hey@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: "general protection fault in netlbl_unlhsh_add" in Linux Kernel
 Version 4.9

On Sun, Dec 1, 2024 at 11:31 PM cheung wall <zzqq0103.hey@...il.com> wrote:
>
> Hello,
>
> I am writing to report a potential vulnerability identified in the
> Linux Kernel version 4.9
> This issue was discovered using our custom vulnerability discovery
> tool.
>
> Affected File: netlabel_unlabeled.c
>
> File: netlabel_unlabeled.c
> Function: netlbl_unlhsh_add_addr4
>
> Detailed call trace:

...

> Repro C Source Code: https://pastebin.com/aHhVhbJ4

As you surely know, Linux v4.9 is absolutely ancient from a kernel
release perspective and is no longer maintained by anyone; have you
been able to reproduce the problem on a modern kernel?  I quickly ran
your reproducer on a Linux v6.12-rcX test system and did not see any
errors.

-- 
paul-moore.com