From: Frédéric Lécaille <flecaille@haproxy.com>
Date: Fri, 18 Mar 2022 21:49:22 +0000 (+0100)
Subject: BUG/MINOR: mux-quic: Missing I/O handler events initialization
X-Git-Tag: v2.6-dev4~34
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f27b66faee7d5de5c97329fe049ae1e72ed89cb7;p=thirdparty%2Fhaproxy.git

BUG/MINOR: mux-quic: Missing I/O handler events initialization

This could lead to a mux erratic behavior. Sometimes the application layer could
not wakeup the mux I/O handler because it estimated it had already subscribed
to write events (see h3_snd_buf() end of implementation).
---

diff --git a/src/mux_quic.c b/src/mux_quic.c
index 9d85c8a35a..87be58c684 100644
--- a/src/mux_quic.c
+++ b/src/mux_quic.c
@@ -745,6 +745,7 @@ static int qc_init(struct connection *conn, struct proxy *prx,
 	qcc->subs = NULL;
 	qcc->wait_event.tasklet->process = qc_io_cb;
 	qcc->wait_event.tasklet->context = qcc;
+	qcc->wait_event.events = 0;
 
 	/* haproxy timeouts */
 	qcc->timeout = prx->timeout.client;