diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c
index 4e9ce05374a35990a28a1ad939d0ad32bef1ae76..fc725badd2c4370d0830fa95517db065c07ff783 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;