From: Christian Kujau <evil@g-house.de>
To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: reiserfs one user DoS?
Date: Sun, 05 Oct 2003 18:09:24 +0200 [thread overview]
Message-ID: <3F804234.9070606@g-house.de> (raw)
In-Reply-To: <3F7EF082.3020702@namesys.com>
Hans Reiser schrieb:
> Max A. Krasilnikov wrote:
>
>> Hi!
>> I have found such strange thing:
>>
>> pseudo@avalon at 14:04:00 ~> dd if=/dev/zero of=file bs=1 count=0
>> seek=1000000000000
>>
>> After that my Intel Celeron 800 MHz/384M RAM 60G/Seagate U6 under
>> Linux-2.4.22-grsec on reiserfs was utilized 100% for more than 2 hours.
>> dd process can't be killed.
>>
>> Is this my flow or real bug?
>>
>>
>>
> it is fixed in reiser4. linux has a lot of DOS vulerabilities to logged
> in users, mostly due to the ability to consume all of some resource or
> another. forgive me for not discussing them publicly.;-)
perhaps "ulimit" could help here.
man bash-builtins, search for "ulimit" then.
Christian.
--
BOFH excuse #153:
Big to little endian conversion error
next prev parent reply other threads:[~2003-10-05 16:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-04 12:06 reiserfs one user DoS? Max A. Krasilnikov
2003-10-04 16:08 ` Hans Reiser
2003-10-05 16:09 ` Christian Kujau [this message]
2003-10-05 23:51 ` Erik Tews
2003-10-06 2:03 ` Mike Fedyk
2003-10-06 2:14 ` viro
2003-10-06 19:29 ` Oleg Drokin
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