Re: Patch related with Fork Bobmbing Attack

From: Jan Engelhardt
Date: Tue Jun 12 2007 - 13:32:33 EST



On Jun 12 2007 10:04, Roland Dreier wrote:
> > + /*
> > + * following code does not allow Non Root User to cross its process
> > + * limit. it alerts administrator about fork bombing attack and prevents
> > + * it.
> > + */
> > if (atomic_read(&p->user->processes) >= p->signal->rlim[RLIMIT_NPROC].rlim_cur)
> > if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
> > - p->user != &root_user)
> > -
> > + p->user != &root_user) {
> > + if (printk_ratelimit())
> > + printk(KERN_CRIT"User with uid %d is crossing its process limit\n",p->user->uid);
> > goto bad_fork_free;
> > + }
>
>please run scripts/checkpatch.pl against your patch. It will point
>out numerous problems with the coding style. Also, I think a space
>between KERN_CRIT and " would look better too.

And uid is %lu, not %d.
And s/its/his/ or s/its/the/;

Jan
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