1 files changed, 3 insertions, 1 deletions

diff --git a/fs/proc/array.c b/fs/proc/array.c
index eba339ecba27..65c62e1bfd6f 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -374,7 +374,9 @@ static cputime_t task_stime(struct task_struct *p)
         stime = nsec_to_clock_t(p->se.sum_exec_runtime) -
                         cputime_to_clock_t(task_utime(p));
 
-        p->prev_stime = max(p->prev_stime, clock_t_to_cputime(stime));
+        if (stime >= 0)
+                p->prev_stime = max(p->prev_stime, clock_t_to_cputime(stime));
+
         return p->prev_stime;
 }
 #endif