Index: sys/dev/e1000/if_igb.c
===================================================================
--- sys/dev/e1000/if_igb.c	(revision 253364)
+++ sys/dev/e1000/if_igb.c	(working copy)
@@ -4786,7 +4786,7 @@ igb_rxeof(struct igb_queue *que, int count, int *d
 
 		/* Make sure all segments of a bad packet are discarded */
 		if (((staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) != 0) ||
-		    (rxr->discard)) {
+		    (rxr->discard) || rxr->rx_buffers[i].m_pack == NULL) {
 			adapter->dropped_pkts++;
 			++rxr->rx_discarded;
 			if (!eop) /* Catch subsequent segs */
Index: sys/dev/e1000/if_em.c
===================================================================
--- sys/dev/e1000/if_em.c	(revision 253364)
+++ sys/dev/e1000/if_em.c	(working copy)
@@ -4456,7 +4456,7 @@ em_rxeof(struct rx_ring *rxr, int count, int *done
 		eop = (status & E1000_RXD_STAT_EOP) != 0;
 
 		if ((cur->errors & E1000_RXD_ERR_FRAME_ERR_MASK) ||
-		    (rxr->discard == TRUE)) {
+		    (rxr->discard == TRUE) || rxr->rx_buffers[i].m_head == NULL) {
 			adapter->dropped_pkts++;
 			++rxr->rx_discarded;
 			if (!eop) /* Catch subsequent segs */
Index: sys/dev/ixgbe/ixgbe.c
===================================================================
--- sys/dev/ixgbe/ixgbe.c	(revision 253364)
+++ sys/dev/ixgbe/ixgbe.c	(working copy)
@@ -4432,7 +4432,7 @@ ixgbe_rxeof(struct ix_queue *que)
 
 		/* Make sure bad packets are discarded */
 		if (((staterr & IXGBE_RXDADV_ERR_FRAME_ERR_MASK) != 0) ||
-		    (rxr->discard)) {
+		    (rxr->discard) || mp == NULL) {
 			rxr->rx_discarded++;
 			if (eop)
 				rxr->discard = FALSE;