On Mon, 4 Jun 2007, Anand Jahagirdar wrote:
> I am forwarding one improved patch related with Fork Bombing
> Attack. This patch prints a message (only once) which alerts
> administrator/root user about fork bombing attack. I created this patch
> to implement my idea of informing administrator about fork bombing
> attack on his machine only once.
> This patch overcomes all drawbacks of my previous patch related with
> fork bombing attack and helps administrator. added comments will
> definitely help developers.
> + /*
> + * following code prints a message which alerts administrator/root * user about fork bombing Attack
> + */
> + if ((atomic_read(&p->user->processes) >= (p->signal->rlim [RLIMIT_NPROC].rlim_cur - 1)) && (atomic_read(&p->user->processes) < p->signal->rlim[RLIMIT_NPROC].rlim_cur)) {
Did this get malformed somehow? Looks like some successive lines got
pasted together, or something.
> + if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) && p->user != &root_user) {
> + printk(KERN_CRIT"User with uid %d is crossing its Process limit\n",p->user->uid);
> + }
> + }
Why not printk_ratelimit() here? Otherwise we have looped back to the
possibility of user flooding the system logs, which has been already
discussed in this thread, right?
Also the { and } braces seem redundant.
Thanks,
--
Jiri Kosina
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
