Re: reiserfs one user DoS?

[Hans Reiser]

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.;-)

--
Hans


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