linux-kernel - Re: [PATCH net-next 1/4] netconsole: Warn if MAX_USERDATA

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241206151105.GV2581@kernel.org>
Date: Fri, 6 Dec 2024 15:11:05 +0000
From: Simon Horman <horms@...nel.org>
To: Breno Leitao <leitao@...ian.org>
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Shuah Khan <shuah@...nel.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net-next 1/4] netconsole: Warn if MAX_USERDATA_ITEMS
 limit is exceeded

On Wed, Dec 04, 2024 at 08:40:42AM -0800, Breno Leitao wrote:
> netconsole configfs helpers doesn't allow the creation of more than
> MAX_USERDATA_ITEMS items.
> 
> Add a warning when netconsole userdata update function attempts sees
> more than MAX_USERDATA_ITEMS entries.
> 
> Replace silent ignore mechanism with WARN_ON_ONCE() to highlight
> potential misuse during development and debugging.
> 
> Signed-off-by: Breno Leitao <leitao@...ian.org>

Reviewed-by: Simon Horman <horms@...nel.org>