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Index: head/lib/libc/sys/clock_gettime.2
===================================================================
--- head/lib/libc/sys/clock_gettime.2
+++ head/lib/libc/sys/clock_gettime.2
@@ -29,7 +29,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd December 20, 2015
+.Dd December 27, 2015
.Dt CLOCK_GETTIME 2
.Os
.Sh NAME
@@ -134,6 +134,8 @@
.It Bq Er EINVAL
The
.Fa clock_id
+or
+.Fa timespec
argument
was not a valid value.
.It Bq Er EPERM
Index: head/lib/libc/sys/gettimeofday.2
===================================================================
--- head/lib/libc/sys/gettimeofday.2
+++ head/lib/libc/sys/gettimeofday.2
@@ -28,7 +28,7 @@
.\" @(#)gettimeofday.2 8.2 (Berkeley) 5/26/95
.\" $FreeBSD$
.\"
-.Dd December 20, 2015
+.Dd December 27, 2015
.Dt GETTIMEOFDAY 2
.Os
.Sh NAME
@@ -110,6 +110,10 @@
The following error codes may be set in
.Va errno :
.Bl -tag -width Er
+.It Bq Er EINVAL
+The supplied
+.Fa timeval
+value is invalid.
.It Bq Er EPERM
A user other than the super-user attempted to set the time.
.El
Index: head/sys/kern/kern_time.c
===================================================================
--- head/sys/kern/kern_time.c
+++ head/sys/kern/kern_time.c
@@ -398,7 +398,8 @@
return (error);
if (clock_id != CLOCK_REALTIME)
return (EINVAL);
- if (ats->tv_nsec < 0 || ats->tv_nsec >= 1000000000)
+ if (ats->tv_nsec < 0 || ats->tv_nsec >= 1000000000 ||
+ ats->tv_sec < 0)
return (EINVAL);
/* XXX Don't convert nsec->usec and back */
TIMESPEC_TO_TIMEVAL(&atv, ats);
@@ -618,7 +619,8 @@
return (error);
/* Verify all parameters before changing time. */
if (tv) {
- if (tv->tv_usec < 0 || tv->tv_usec >= 1000000)
+ if (tv->tv_usec < 0 || tv->tv_usec >= 1000000 ||
+ tv->tv_sec < 0)
return (EINVAL);
error = settime(td, tv);
}

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