linux-kernel - Re: [PATCH 2/2] printk: Add kernel parameter to control writes to /dev/kmsg

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: <20160614102135.GA13439@gmail.com>
Date:	Tue, 14 Jun 2016 12:21:35 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] printk: Add kernel parameter to control writes to
 /dev/kmsg


* Borislav Petkov <bp@...en8.de> wrote:

> From: Borislav Petkov <bp@...e.de>
> 
> Add a "printk.kmsg" kernel command line parameter which controls how
> userspace writes into /dev/kmsg. It has two options:
> 
> * on  - unlimited logging from userspace
> * off - logging from userspace gets ignored

Please also add a sysctl!

I *so* want to enable this on distro kernels without having to reboot the 
kernel...

Thanks,

	Ingo