diff --git a/[refs] b/[refs]
index 5a8078a8d57b..67c64fb1fd2a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ec8f02da9ea500474417d1d31fa3d46a562ab366
+refs/heads/master: 6133705494bb02953e1e2cc3018a4373981b3c97
diff --git a/trunk/kernel/posix-cpu-timers.c b/trunk/kernel/posix-cpu-timers.c
index 125cb67daa21..f07827a4e281 100644
--- a/trunk/kernel/posix-cpu-timers.c
+++ b/trunk/kernel/posix-cpu-timers.c
@@ -9,6 +9,7 @@
 #include <asm/uaccess.h>
 #include <linux/kernel_stat.h>
 #include <trace/events/timer.h>
+#include <linux/random.h>
 
 /*
  * Called after updating RLIMIT_CPU to run cpu timer and update
@@ -494,6 +495,8 @@ static void cleanup_timers(struct list_head *head,
  */
 void posix_cpu_timers_exit(struct task_struct *tsk)
 {
+	add_device_randomness((const void*) &tsk->se.sum_exec_runtime,
+						sizeof(unsigned long long));
 	cleanup_timers(tsk->cpu_timers,
 		       tsk->utime, tsk->stime, tsk->se.sum_exec_runtime);