Re: fork() DoS?

Philip R. Auld (prauld@egenera.com)
Fri, 22 Mar 2002 10:24:23 -0500


"Little, John" wrote:
>
> I'm really not a programmer, just learning, but was able to bring the system
> to it's knees. This is a redhat 7.2 kernel. Is there anyway of preventing
> this?

Use resource limits on users and don't run fork bombs as root :)

>
> #include <unistd.h>
>
> void do_fork()
> {
> pid_t p;
>
> p = fork();
> do_fork();
> }
>
> void main()
> {
> for(;;)
> do_fork();
> }
>
> -
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-- 
Philip R. Auld, Ph.D.                  Technical Staff 
Egenera Corp.                        pauld@egenera.com
165 Forest St., Marlboro, MA 01752       (508)786-9444
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