[src/trunk]: src/sys/dev/sysmon Fix info leak, not all of 'pev' is initialized.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c71bfa1e611e
branches:  trunk
changeset: 459021:c71bfa1e611e
user:      maxv <maxv%NetBSD.org@localhost>
date:      Tue Aug 20 18:43:57 2019 +0000

description:
Fix info leak, not all of 'pev' is initialized.

diffstat:

 sys/dev/sysmon/sysmon_power.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r f6ca4a270c51 -r c71bfa1e611e sys/dev/sysmon/sysmon_power.c
--- a/sys/dev/sysmon/sysmon_power.c     Tue Aug 20 15:17:02 2019 +0000
+++ b/sys/dev/sysmon/sysmon_power.c     Tue Aug 20 18:43:57 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sysmon_power.c,v 1.60 2019/03/01 11:06:56 pgoyette Exp $       */
+/*     $NetBSD: sysmon_power.c,v 1.61 2019/08/20 18:43:57 maxv Exp $   */
 
 /*-
  * Copyright (c) 2007 Juan Romero Pardines.
@@ -69,7 +69,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sysmon_power.c,v 1.60 2019/03/01 11:06:56 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sysmon_power.c,v 1.61 2019/08/20 18:43:57 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
@@ -331,6 +331,8 @@
        if (!ped || !ped->dict || !pev_data)
                return EINVAL;
 
+       memset(&pev, 0, sizeof(pev));
+
        mutex_enter(&sysmon_power_event_queue_mtx);
        
        switch (event) {