[src/netbsd-9]: src/sys/kern Pull up following revision(s) (requested by maxv...

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

details:   https://anonhg.NetBSD.org/src/rev/ef16151c7f15
branches:  netbsd-9
changeset: 933021:ef16151c7f15
user:      martin <martin%NetBSD.org@localhost>
date:      Mon May 18 19:05:32 2020 +0000

description:
Pull up following revision(s) (requested by maxv in ticket #916):

        sys/kern/kern_time.c: revision 1.204

Fix uninitialized memory access. Found by KMSAN.

diffstat:

 sys/kern/kern_time.c |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (32 lines):

diff -r 78a5b4a23f24 -r ef16151c7f15 sys/kern/kern_time.c
--- a/sys/kern/kern_time.c      Mon May 18 18:59:39 2020 +0000
+++ b/sys/kern/kern_time.c      Mon May 18 19:05:32 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_time.c,v 1.197.4.2 2019/09/11 16:36:13 martin Exp $       */
+/*     $NetBSD: kern_time.c,v 1.197.4.3 2020/05/18 19:05:32 martin Exp $       */
 
 /*-
  * Copyright (c) 2000, 2004, 2005, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_time.c,v 1.197.4.2 2019/09/11 16:36:13 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_time.c,v 1.197.4.3 2020/05/18 19:05:32 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/resourcevar.h>
@@ -356,8 +356,12 @@
                struct timespec rmtend;
                struct timespec t0;
                struct timespec *t;
+               int err;
 
-               (void)clock_gettime1(clock_id, &rmtend);
+               err = clock_gettime1(clock_id, &rmtend);
+               if (err != 0)
+                       return err;
+
                t = (rmt != NULL) ? rmt : &t0;
                if (flags & TIMER_ABSTIME) {
                        timespecsub(rqt, &rmtend, t);