Index: uspace/drv/uhci-hcd/tracker.c
===================================================================
--- uspace/drv/uhci-hcd/tracker.c	(revision c8dd5b1c2568196acee4569bb1110c4ebaed6053)
+++ uspace/drv/uhci-hcd/tracker.c	(revision 52b7f15f2a7427b5bfd29896bd6e866cbb54bd1d)
@@ -78,4 +78,5 @@
 		return NULL;
 	}
+	bzero(instance->td, sizeof(transfer_descriptor_t));
 
 	instance->packet = max_packet_size ? malloc32(max_packet_size) : NULL;