summaryrefslogtreecommitdiff
path: root/include/linux/time64.h
diff options
context:
space:
mode:
authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2021-07-07 01:19:43 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2021-07-07 01:19:43 +0200
commitd900385139e5aa8d584dee92c87bb85d0226253e (patch)
tree26aa082f242221c535f2d8aa03b0c314c713e8ea /include/linux/time64.h
parent56168452b2a2fa8b4efc664d9fcb08536486a1ba (diff)
parent200ecf5055dfba12b9bff6984830a7cdddee8ab1 (diff)
Merge tag 'v4.4.274' into toradex_vf_4.4-next
Linux 4.4.274
Diffstat (limited to 'include/linux/time64.h')
-rw-r--r--include/linux/time64.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/time64.h b/include/linux/time64.h
index 367d5af899e8..10239cffd70f 100644
--- a/include/linux/time64.h
+++ b/include/linux/time64.h
@@ -197,6 +197,10 @@ static inline bool timespec64_valid_strict(const struct timespec64 *ts)
*/
static inline s64 timespec64_to_ns(const struct timespec64 *ts)
{
+ /* Prevent multiplication overflow */
+ if ((unsigned long long)ts->tv_sec >= KTIME_SEC_MAX)
+ return KTIME_MAX;
+
return ((s64) ts->tv_sec * NSEC_PER_SEC) + ts->tv_nsec;
}