BUG/MINOR: quic: fix segfault on trace for version negotiation

When receiving Initial packets for Version Negotiation, no quic_conn is
instantiated. Thus, on the final trace, the quic_conn dereferencement
must be tested before using it.

diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index d1e24ba9d9e5ffff9ed2c5d299aa25e5946d9c10..a13208214e7d97c5d0d723b523fb3e1da2a48d21 100644 (file)
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -3874,7 +3874,7 @@ static ssize_t qc_lstnr_pkt_rcv(unsigned char **buf, const unsigned char *end,
        if (conn_ctx && HA_ATOMIC_LOAD(&conn_ctx->conn->ctx))
                tasklet_wakeup(conn_ctx->wait_event.tasklet);
 
-       TRACE_LEAVE(QUIC_EV_CONN_LPKT, qc->conn, pkt);
+       TRACE_LEAVE(QUIC_EV_CONN_LPKT, qc ? qc->conn : NULL, pkt);
 
        return pkt->len;