1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index ccdfbb16c86d..46060cb24af0 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1569,7 +1569,7 @@ asmlinkage long sys_unshare(unsigned long unshare_flags)
 
                 if (new_sigh) {
                         sigh = current->sighand;
-                        current->sighand = new_sigh;
+                        rcu_assign_pointer(current->sighand, new_sigh);
                         new_sigh = sigh;
                 }