1 files changed, 4 insertions, 1 deletions

diff --git a/kernel/sys.c b/kernel/sys.c
index 78947de6f969..cf8ba545c7d3 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2169,7 +2169,10 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
                 error = perf_event_task_enable();
                 break;
         case PR_GET_TIMERSLACK:
-                error = current->timer_slack_ns;
+                if (current->timer_slack_ns > ULONG_MAX)
+                        error = ULONG_MAX;
+                else
+                        error = current->timer_slack_ns;
                 break;
         case PR_SET_TIMERSLACK:
                 if (arg2 <= 0)