In the Tx prep function, the metadata checks were only checking the
packet length and ignoring the data length. For single-buffer packets we
can quickly check that the data length is the packet length.
Fixes: 19ee91c6bd9a ("net/iavf: check illegal packet sizes")
Cc: [email protected]
Reported-by: Padraig Connolly <[email protected]>
Signed-off-by: Bruce Richardson <[email protected]>
---
drivers/net/iavf/iavf_rxtx.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 4850b9e381..6a093c6746 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -3677,7 +3677,11 @@ iavf_prep_pkts(__rte_unused void *tx_queue, struct
rte_mbuf **tx_pkts,
return i;
}
- if (m->pkt_len < IAVF_TX_MIN_PKT_LEN) {
+ /* valid packets are greater than min size, and single-buffer
pkts
+ * must have data_len == pkt_len
+ */
+ if (m->pkt_len < IAVF_TX_MIN_PKT_LEN ||
+ (m->nb_segs == 1 && m->data_len != m->pkt_len))
{
rte_errno = EINVAL;
return i;
}
--
2.43.0
