MINOR: quic: unchecked qc_retrieve_conn_from_cid() returned value
If qc_retrieve_conn_from_cid() did not manage to retrieve the connection
from packet CIDs, we must drop them.
diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index ee60975..e871244 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -4117,6 +4117,12 @@
*buf += QUIC_HAP_CID_LEN;
qc = qc_retrieve_conn_from_cid(pkt, l, saddr);
+ if (!qc) {
+ size_t pktlen = end - *buf;
+ TRACE_PROTO("Packet dropped", QUIC_EV_CONN_LPKT, NULL, pkt, &pktlen);
+ goto err;
+ }
+
if (HA_ATOMIC_LOAD(&qc->conn))
conn_ctx = HA_ATOMIC_LOAD(&qc->conn->xprt_ctx);