diff --git a/fs/fcntl.c b/fs/fcntl.c
index dfc72f15be7f..1e2fe2386ca3 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -207,8 +207,9 @@ static int f_getown_ex(struct file *filp, unsigned long arg)
 	struct f_owner_ex __user *owner_p = (void __user *)arg;
 	struct f_owner_ex owner = {};
 	int ret = 0;
+	unsigned long flags;
 
-	read_lock(&filp->f_owner.lock);
+	read_lock_irqsave(&filp->f_owner.lock, flags);
 	rcu_read_lock();
 	if (pid_task(filp->f_owner.pid, filp->f_owner.pid_type))
 		owner.pid = pid_vnr(filp->f_owner.pid);
@@ -231,7 +232,7 @@ static int f_getown_ex(struct file *filp, unsigned long arg)
 		ret = -EINVAL;
 		break;
 	}
-	read_unlock(&filp->f_owner.lock);
+	read_unlock_irqrestore(&filp->f_owner.lock, flags);
 
 	if (!ret) {
 		ret = copy_to_user(owner_p, &owner, sizeof(owner));