diff --git a/fs/smb/server/mgmt/user_session.c b/fs/smb/server/mgmt/user_session.c
index 7d880ff34402..26cb87625f1c 100644
--- a/fs/smb/server/mgmt/user_session.c
+++ b/fs/smb/server/mgmt/user_session.c
@@ -32,12 +32,14 @@ static void free_channel_list(struct ksmbd_session *sess)
 	struct channel *chann;
 	unsigned long index;
 
+	down_write(&sess->chann_lock);
 	xa_for_each(&sess->ksmbd_chann_list, index, chann) {
 		xa_erase(&sess->ksmbd_chann_list, index);
 		kfree(chann);
 	}
 
 	xa_destroy(&sess->ksmbd_chann_list);
+	up_write(&sess->chann_lock);
 }
 
 static void __session_rpc_close(struct ksmbd_session *sess,
@@ -220,7 +222,9 @@ static int ksmbd_chann_del(struct ksmbd_conn *conn, struct ksmbd_session *sess)
 {
 	struct channel *chann;
 
+	down_write(&sess->chann_lock);
 	chann = xa_erase(&sess->ksmbd_chann_list, (long)conn);
+	up_write(&sess->chann_lock);
 	if (!chann)
 		return -ENOENT;
 
@@ -454,6 +458,7 @@ static struct ksmbd_session *__session_create(int protocol)
 	rwlock_init(&sess->tree_conns_lock);
 	atomic_set(&sess->refcnt, 2);
 	init_rwsem(&sess->rpc_lock);
+	init_rwsem(&sess->chann_lock);
 
 	ret = __init_smb2_session(sess);
 	if (ret)
diff --git a/fs/smb/server/mgmt/user_session.h b/fs/smb/server/mgmt/user_session.h
index c5749d6ec715..cba7f688f6b5 100644
--- a/fs/smb/server/mgmt/user_session.h
+++ b/fs/smb/server/mgmt/user_session.h
@@ -49,6 +49,7 @@ struct ksmbd_session {
 	char				sess_key[CIFS_KEY_SIZE];
 
 	struct hlist_node		hlist;
+	struct rw_semaphore		chann_lock;
 	struct xarray			ksmbd_chann_list;
 	struct xarray			tree_conns;
 	struct ida			tree_conn_ida;
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 470b274f4cc9..bf8c48059436 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -79,7 +79,13 @@ static inline bool check_session_id(struct ksmbd_conn *conn, u64 id)
 
 struct channel *lookup_chann_list(struct ksmbd_session *sess, struct ksmbd_conn *conn)
 {
-	return xa_load(&sess->ksmbd_chann_list, (long)conn);
+	struct channel *chann;
+
+	down_read(&sess->chann_lock);
+	chann = xa_load(&sess->ksmbd_chann_list, (long)conn);
+	up_read(&sess->chann_lock);
+
+	return chann;
 }
 
 /**
@@ -1563,8 +1569,10 @@ binding_session:
 				return -ENOMEM;
 
 			chann->conn = conn;
+			down_write(&sess->chann_lock);
 			old = xa_store(&sess->ksmbd_chann_list, (long)conn, chann,
 					KSMBD_DEFAULT_GFP);
+			up_write(&sess->chann_lock);
 			if (xa_is_err(old)) {
 				kfree(chann);
 				return xa_err(old);
@@ -1661,8 +1669,10 @@ binding_session:
 				return -ENOMEM;
 
 			chann->conn = conn;
+			down_write(&sess->chann_lock);
 			old = xa_store(&sess->ksmbd_chann_list, (long)conn,
 					chann, KSMBD_DEFAULT_GFP);
+			up_write(&sess->chann_lock);
 			if (xa_is_err(old)) {
 				kfree(chann);
 				return xa_err(old);