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Subject[PATCH] no RLIMIT_NPROC for root, please

Why is RLIMIT_NPROC apllied to root(uid 0) processes? It's not kernel job to
prevent admin from shooting him/her self in the foot.

root should be able to do fork() regardless of any limits,
and IMHO the following patch is the right thing.


--- linux/kernel/fork.c~ Tue Sep 5 23:48:59 2000
+++ linux/kernel/fork.c Sun Nov 26 20:22:20 2000
@@ -560,7 +560,8 @@
*p = *current;

retval = -EAGAIN;
- if (atomic_read(&p->user->processes) >= p->rlim[RLIMIT_NPROC].rlim_cur)
+ if (p->user->uid &&
+ (atomic_read(&p->user->processes) >= p->rlim[RLIMIT_NPROC].rlim_cur))
goto bad_fork_free;
atomic_inc(&p->user->__count);
atomic_inc(&p->user->processes);
Jan
--
Jan Rękorajski | ALL SUSPECTS ARE GUILTY. PERIOD!
baggins<at>mimuw.edu.pl | OTHERWISE THEY WOULDN'T BE SUSPECTS, WOULD THEY?
BOFH, type MANIAC | -- TROOPS by Kevin Rubio
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