netdev - Re: [PATCH] net: Remove a noisy printk

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 for Android: free password hash cracker in your pocket

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

Message-ID: <496ACEF8.2030605@trash.net>
Date:	Mon, 12 Jan 2009 06:02:48 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	Rusty Russell <rusty@...tcorp.com.au>
CC:	Dave Jones <davej@...hat.com>,
	Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
	Jan Engelhardt <jengelh@...ozas.de>,
	David Miller <davem@...emloft.net>, ajax@...hat.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org
Subject: Re: [PATCH] net: Remove a noisy printk

Rusty Russell wrote:
> On Monday 15 December 2008 06:33:53 Dave Jones wrote:
>> On Sun, Dec 14, 2008 at 06:09:17PM +0100, Jozsef Kadlecsik wrote:
>>  > In a >normal< system one usually does not use raw sockets. So if a root 
>>  > process do use raw socket, at least netfilter sends a notification and 
>>  > there's a chance that someone take notice it by checking the kernel logs.
>>
>> 'normal' systems are irrelevant here. This message is triggerable remotely.
> 
> I don't think it can be.  This is for truncated locally-generated outgoing
> packets, which can only happen when root is playing with raw sockets.

Yes, it can only be triggered locally by root.

> As you can probably tell, I was the one who wrote this printk :)  IMHO,
> one reasonable complaint is sufficient to have it removed, so just remove
> it.  If anyone thinks it's valuable, put a static counter < 5 around it
> and add pid/comm info.

I've queued this patch to remove it.


View attachment "01.diff" of type "text/x-patch" (3606 bytes)