Re: How a normal user can crash any linux system

From: Rik van Riel (riel@conectiva.com.br)
Date: Thu Mar 23 2000 - 14:16:35 EST


On Wed, 22 Mar 2000, Michael Lampe wrote:

> I found the following by accident playing with PVM. If you start the
> 'gexample' from the examples directory with dimension=10000 and no of
> tasks=32 on one machine, it becomes almost immediately completely un-
> usable and begins with heavy swapping.

> One would expect that the misbehaving gexample processes are
> killed or maybe other processes started by the same user.
>
> Actually random processes are killed: I've seen klogd, syslogd,
> cron, gpm and inetd disappear.

> Any comments ????

You may want to read the "some questions about linux kernel"
and "out of memory" threads on the linux-kernel mailing list
archives. Your bug report is an excellent example of what is
currently wrong and should be fixed.

regards,

Rik

--
The Internet is not a network of computers. It is a network
of people. That is its real strength.

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