linux-kernel - Re: cups slow on linux-2.6.24

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]

Date:	Fri, 01 Feb 2008 16:37:22 +1030
From:	David Newall <davidn@...idnewall.com>
To:	David Miller <davem@...emloft.net>
CC:	kaber@...sh.net, kadlec@...ckhole.kfki.hu,
	jeff.chua.linux@...il.com, linux-kernel@...r.kernel.org,
	ole@....pl, cups-bugs@...ysw.com, netfilter-devel@...r.kernel.org
Subject: Re: cups slow on linux-2.6.24

David Miller wrote:
> From: David Newall <davidn@...idnewall.com>
> Date: Fri, 01 Feb 2008 11:17:14 +1030
>
>   
>> Patrick McHardy wrote:
>>     
>>> Jozsef Kadlecsik wrote:
>>>       
>>>> Strange, but there are a lot of incorrect checksum packets. How does
>>>> it come on the loopback interface?
>>>>         
>>> Loopback doesn't perform full checksumming, so thats expected.
>>>       
>> The question remains: How do loopback packets get incorrect checksum? 
>> Where and how can they get corrupted?
>>     
>
> There are zeros there, which is an incorrect checksum most
> of the time.
>   

I'm not debating that checksums are wrong. The question was how and
where? It's not as if there are any unreliable communication paths in a
loopback interface, so it's surprising that they could be wrong. How? Where?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/