From 392640a61b27358080926c989d6d78cc1d1e50b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20L=C3=A9caille?= <flecaille@haproxy.com>
Date: Wed, 15 Nov 2023 11:19:57 +0100
Subject: [PATCH] BUG/MINOR: quic: Malformed CONNECTION_CLOSE frame

This bug arrived with this commit:
      MINOR: quic: Avoid zeroing frame structures
Before this latter, the CONNECTION_CLOSE was zeroed, especially the "reason phrase
length".

Restablish this behavior.

No need to backport.
---
 src/quic_tx.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/quic_tx.c b/src/quic_tx.c
index f6976bc0e..b1cfba6a8 100644
--- a/src/quic_tx.c
+++ b/src/quic_tx.c
@@ -2158,11 +2158,13 @@ static void qc_build_cc_frm(struct quic_conn *qc, struct quic_enc_level *qel,
 		else {
 			out->type = QUIC_FT_CONNECTION_CLOSE_APP;
 			out->connection_close.error_code = qc->err.code;
+			out->connection_close.reason_phrase_len = 0;
 		}
 	}
 	else {
 		out->type = QUIC_FT_CONNECTION_CLOSE;
 		out->connection_close.error_code = qc->err.code;
+		out->connection_close.reason_phrase_len = 0;
 	}
 	TRACE_LEAVE(QUIC_EV_CONN_BFRM, qc);