6 files changed, 7 insertions, 7 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index 8923afbfed..bd3fe4c012 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -337,7 +337,7 @@ extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
     int __result = 0;							      \
     if (tid != 0)							      \
       {									      \
-	if (abstime == NULL || abstime->tv_nsec >= 1000000000)		      \
+	if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)	      \
 	  __result = EINVAL;						      \
 	else								      \
 	  __result = __lll_timedwait_tid (&tid, abstime);		      \
diff --git a/nptl/sysdeps/unix/sysv/linux/lowlevellock.c b/nptl/sysdeps/unix/sysv/linux/lowlevellock.c
index eb3e689b9e..ad7510abfe 100644
--- a/nptl/sysdeps/unix/sysv/linux/lowlevellock.c
+++ b/nptl/sysdeps/unix/sysv/linux/lowlevellock.c
@@ -44,7 +44,7 @@ int
 __lll_timedlock_wait (int *futex, int val, const struct timespec *abstime)
 {
   /* Reject invalid timeouts.  */
-  if (abstime->tv_nsec >= 1000000000)
+  if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
     return EINVAL;
 
   do
@@ -100,7 +100,7 @@ __lll_timedwait_tid (int *tidp, const struct timespec *abstime)
 {
   int tid;
 
-  if (abstime->tv_nsec >= 1000000000)
+  if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
     return EINVAL;
 
   /* Repeat until thread terminated.  */
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c
index 60c39d01b5..6fedd2ef0a 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c
+++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.c
@@ -64,7 +64,7 @@ ___lll_timedwait_tid (ptid, abstime)
 {
   int tid;
 
-  if (abstime == NULL || abstime->tv_nsec >= 1000000000)
+  if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
     return EINVAL;
 
   /* Repeat until thread terminated.  */
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c b/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c
index d4d91db5ce..380091c565 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c
+++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevelmutex.c
@@ -48,7 +48,7 @@ ___lll_mutex_timedlock (futex, abstime, newval)
      int newval;
 {
   /* Reject invalid timeouts.  */
-  if (abstime->tv_nsec >= 1000000000)
+  if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
     return EINVAL;
 
   int oldval;
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c
index 42433dec74..273b54164a 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c
+++ b/nptl/sysdeps/unix/sysv/linux/s390/sem_timedwait.c
@@ -43,7 +43,7 @@ sem_timedwait (sem, abstime)
 	return 0;
 
       /* Check for invalid timeout values.  */
-      if (abstime->tv_nsec >= 1000000000)
+      if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
 	{
 	  __set_errno (EINVAL);
 	  return -1;
diff --git a/nptl/sysdeps/unix/sysv/linux/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/sem_timedwait.c
index 632cce4391..8a65ce2567 100644
--- a/nptl/sysdeps/unix/sysv/linux/sem_timedwait.c
+++ b/nptl/sysdeps/unix/sysv/linux/sem_timedwait.c
@@ -42,7 +42,7 @@ sem_timedwait (sem_t *sem, const struct timespec *abstime)
     }
 
   err = -EINVAL;
-  if (abstime->tv_nsec >= 1000000000)
+  if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
     goto error_return;
 
   do