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From: Dmitry Chagin <dchagin@FreeBSD.org>
Date: Sat, 18 Mar 2017 18:14:17 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r315498 - head/sys/compat/linux
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Author: dchagin
Date: Sat Mar 18 18:14:17 2017
New Revision: 315498
URL: https://svnweb.freebsd.org/changeset/base/315498

Log:
  Check for negative nanoseconds.
  Linux do that in timespec_valid().
  
  Reported by:	vangyzen@
  MFC after:	1 week

Modified:
  head/sys/compat/linux/linux_time.c

Modified: head/sys/compat/linux/linux_time.c
==============================================================================
--- head/sys/compat/linux/linux_time.c	Sat Mar 18 18:12:09 2017	(r315497)
+++ head/sys/compat/linux/linux_time.c	Sat Mar 18 18:14:17 2017	(r315498)
@@ -142,7 +142,7 @@ linux_to_native_timespec(struct timespec
 
 	LIN_SDT_PROBE2(time, linux_to_native_timespec, entry, ntp, ltp);
 
-	if (ltp->tv_sec < 0 || ltp->tv_nsec > (l_long)999999999L) {
+	if (ltp->tv_sec < 0 || (l_ulong)ltp->tv_nsec > 999999999L) {
 		LIN_SDT_PROBE1(time, linux_to_native_timespec, return, EINVAL);
 		return (EINVAL);
 	}