Pull up following revision(s) (requested by maxv in ticket #1097):
	sys/kern/kern_core.c: revision 1.23
Fix a read-beyond-end string read.
Pull up following revision(s) (requested by maxv in ticket #1098):
	sys/kern/sys_module.c: revision 1.15
Fix a user-controlled memory allocation. kmem_alloc(0) will panic the system.
ok christos@
Ticket 1097 and 1098.