Log Message:
-----------
Stop unprivileged processes from reading pages of memory belonging to other processes with anonymous pipes.
Modified Files:
--------------
src/sys/kern:
sys_pipe.c (r1.3 -> r1.4)
(http://cvsweb.midnightbsd.org/src/sys/kern/sys_pipe.c?r1=1.3&r2=1.4)