o Modify p_candebug() such that there is no longer automatic acceptance

  of debugging the current process when that is in conflict with other
  restrictions (such as jail, unprivileged_procdebug_permitted, etc).
o This corrects anomolies in the behavior of
  kern.security.unprivileged_procdebug_permitted when using truss and
  ktrace.  The theory goes that this is now safe to use.

Obtained from:	TrustedBSD Project

1 files changed, 0 insertions, 3 deletions

diff --git a/sys/kern/kern_prot.c b/sys/kern/kern_prot.c
index a10d3da..a470656 100644
--- a/sys/kern/kern_prot.c
+++ b/sys/kern/kern_prot.c
@@ -1204,9 +1204,6 @@ p_candebug(struct proc *p1, struct proc *p2)
 {
 	int error;
 
-	if (p1 == p2)
-		return (0);
-
 	if ((error = prison_check(p1->p_ucred, p2->p_ucred)))
 		return (error);