From fa7a58ab48542df270919dc02881d5c4a2d4f344 Mon Sep 17 00:00:00 2001
From: jake <jake@FreeBSD.org>
Date: Sat, 23 Dec 2000 19:43:10 +0000
Subject: Protect proc.p_pptr and proc.p_children/p_sibling with the
 proctree_lock.

linprocfs not locked pending response from informal maintainer.

Reviewed by:	jhb, -smp@
---
 sys/miscfs/procfs/procfs_status.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'sys/miscfs/procfs/procfs_status.c')

diff --git a/sys/miscfs/procfs/procfs_status.c b/sys/miscfs/procfs/procfs_status.c
index b06a0af..d7dd108 100644
--- a/sys/miscfs/procfs/procfs_status.c
+++ b/sys/miscfs/procfs/procfs_status.c
@@ -78,7 +78,9 @@ procfs_dostatus(curp, p, pfs, uio)
 		return (EOPNOTSUPP);
 
 	pid = p->p_pid;
+	PROCTREE_LOCK(PT_SHARED);
 	ppid = p->p_pptr ? p->p_pptr->p_pid : 0;
+	PROCTREE_LOCK(PT_RELEASE);
 	pgid = p->p_pgrp->pg_id;
 	sess = p->p_pgrp->pg_session;
 	sid = sess->s_leader ? sess->s_leader->p_pid : 0;
-- 
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