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From: John Baldwin <jhb@FreeBSD.org>
Date: Fri, 17 Oct 2014 19:28:22 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r273237 - in stable: 10/sys/kern 9/sys/kern
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Author: jhb
Date: Fri Oct 17 19:28:21 2014
New Revision: 273237
URL: https://svnweb.freebsd.org/changeset/base/273237

Log:
  MFC 272449:
  Require p_cansched() for changing a process' protection status via
  procctl() rather than p_cansee().

Modified:
  stable/10/sys/kern/sys_process.c
Directory Properties:
  stable/10/   (props changed)

Changes in other areas also in this revision:
Modified:
  stable/9/sys/kern/sys_process.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/10/sys/kern/sys_process.c
==============================================================================
--- stable/10/sys/kern/sys_process.c	Fri Oct 17 19:04:24 2014	(r273236)
+++ stable/10/sys/kern/sys_process.c	Fri Oct 17 19:28:21 2014	(r273237)
@@ -1240,7 +1240,7 @@ protect_setchild(struct thread *td, stru
 {
 
 	PROC_LOCK_ASSERT(p, MA_OWNED);
-	if (p->p_flag & P_SYSTEM || p_cansee(td, p) != 0)
+	if (p->p_flag & P_SYSTEM || p_cansched(td, p) != 0)
 		return (0);
 	if (flags & PPROT_SET) {
 		p->p_flag |= P_PROTECTED;