From: YONETANI Tomokazu <y0netan1@dragonflybsd.org>
Date: Thu, 10 Mar 2011 10:31:04 +0000 (+0900)
Subject: kernel - missing PRELE() in ptrace(PT_DETACH).
X-Git-Tag: v2.11.0~263^2~2
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/4c1415165a9f52273c8c586f6d5a550b7d9c69d8

kernel - missing PRELE() in ptrace(PT_DETACH).
---

diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c
index bfb1c8e195..aff01283da 100644
--- a/sys/kern/sys_process.c
+++ b/sys/kern/sys_process.c
@@ -508,6 +508,8 @@ kern_ptrace(struct proc *curp, int req, pid_t pid, void *addr,
 
 				pp = pfind(p->p_oppid);
 				proc_reparent(p, pp ? pp : initproc);
+				if (pp != NULL)
+					PRELE(pp);
 			}
 
 			p->p_flag &= ~(P_TRACED | P_WAITED);