diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c
index 8e15ec9e8f43e55401dbde2c7f603f38f03c0d30..9c4ca0bbd71e9a46cbf7e70b3b22be1c65a4067b 100644
--- a/fs/ksmbd/connection.c
+++ b/fs/ksmbd/connection.c
@@ -309,7 +309,8 @@ int ksmbd_conn_handler_loop(void *p)
 		}
 
 		/* 4 for rfc1002 length field */
-		size = pdu_size + 4;
+		/* 1 for implied bcc[0] */
+		size = pdu_size + 4 + 1;
 		conn->request_buf = kvmalloc(size, GFP_KERNEL);
 		if (!conn->request_buf)
 			continue;