From: cheloha <cheloha@openbsd.org>
Date: Sat, 14 Jan 2023 01:04:55 +0000 (+0000)
Subject: sysctl(2): KERN_CPUSTATS: zero struct cpustats before copyout
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=e394f9099e3fd4d7d5eef56cf1a3219696712212;p=openbsd

sysctl(2): KERN_CPUSTATS: zero struct cpustats before copyout
---

diff --git a/sys/kern/kern_sysctl.c b/sys/kern/kern_sysctl.c
index ff42ebb5129..7bd657691c8 100644
--- a/sys/kern/kern_sysctl.c
+++ b/sys/kern/kern_sysctl.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kern_sysctl.c,v 1.408 2022/11/07 14:25:44 robert Exp $	*/
+/*	$OpenBSD: kern_sysctl.c,v 1.409 2023/01/14 01:04:55 cheloha Exp $	*/
 /*	$NetBSD: kern_sysctl.c,v 1.17 1996/05/20 17:49:05 mrg Exp $	*/
 
 /*-
@@ -2510,6 +2510,7 @@ sysctl_cpustats(int *name, u_int namelen, void *oldp, size_t *oldlenp,
 	if (!found)
 		return (ENOENT);
 
+	memset(&cs, 0, sizeof cs);
 	memcpy(&cs.cs_time, &ci->ci_schedstate.spc_cp_time, sizeof(cs.cs_time));
 	cs.cs_flags = 0;
 	if (cpu_is_online(ci))