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Validate usec ranges in settimeofday1()

This commit is contained in:
kamil 2019-09-20 14:12:57 +00:00
parent d83135eb3e
commit 8978d4e527
1 changed files with 5 additions and 2 deletions
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7
sys/kern/kern_time.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_time.c,v 1.199 2019/08/07 07:22:12 mrg Exp $ */
/* $NetBSD: kern_time.c,v 1.200 2019/09/20 14:12:57 kamil 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 1.199 2019/08/07 07:22:12 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_time.c,v 1.200 2019/09/20 14:12:57 kamil Exp $");
#include <sys/param.h>
#include <sys/resourcevar.h>
@ -482,6 +482,9 @@ settimeofday1(const struct timeval *utv, bool userspace,
utv = &atv;
}
if (utv->tv_usec < 0 || utv->tv_usec >= 1000000)
return EINVAL;
TIMEVAL_TO_TIMESPEC(utv, &ts);
return settime1(l->l_proc, &ts, check_kauth);
}