From f2102dadf92683cc7749f34ef441b1602978dfca Mon Sep 17 00:00:00 2001
From: Alfred Perlstein <alfred@FreeBSD.org>
Date: Tue, 18 Jun 2002 22:41:35 +0000
Subject: [PATCH] setsugid() touches p->p_flag so assert that the proc is
 locked.

---
 sys/kern/kern_prot.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/kern/kern_prot.c b/sys/kern/kern_prot.c
index e3d857d2d2c..cadfd623930 100644
--- a/sys/kern/kern_prot.c
+++ b/sys/kern/kern_prot.c
@@ -1862,6 +1862,8 @@ setlogin(struct thread *td, struct setlogin_args *uap)
 void
 setsugid(struct proc *p)
 {
+
+	PROC_LOCK_ASSERT(p, MA_OWNED);
 	p->p_flag |= P_SUGID;
 	if (!(p->p_pfsflags & PF_ISUGID))
 		p->p_stops = 0;