The 'curr' variable could be NULL and derefrenced by
pick_next_entity. Fix this by adding a check that prevent
the invocation of pick_next_entity with a NULL passed argument.
Addresses-Coverity: ("Explicit null dereferenced")
Signed-off-by: Khaled ROMDHANI <khaledromdhani216@xxxxxxxxx>
---
kernel/sched/fair.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 161b92aa1c79..490948df94fe 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -7075,7 +7075,7 @@ static struct task_struct *pick_task_fair(struct rq *rq)
else
curr = NULL;
- if (unlikely(check_cfs_rq_runtime(cfs_rq)))
+ if (unlikely(check_cfs_rq_runtime(cfs_rq) || !curr))
goto again;
}
--
2.17.1
