From: Amaury Denoyelle <adenoyelle@haproxy.com>
Date: Tue, 29 Sep 2026 09:27:41 +0000 (+0200)
Subject: BUG/MEDIUM: mux_quic: notify stream on RESET_STREAM reception
X-Git-Tag: v3.5-dev9~174
X-Git-Url: https://git.kaiwu.me/?a=commitdiff_plain;h=2b270877393b98b7b2077447d98ba9be29874027;p=haproxy.git

BUG/MEDIUM: mux_quic: notify stream on RESET_STREAM reception

Always notify upper stream layer when a RESET_STREAM is received. This
is necessary as reset will be reported during rcv_buf callback.

Without this patch, reset won't be reported if stream is already
subscribed. This may result in a stream freeze, until its close on
timeout.

This should be backported up to 2.8, after a period of observation.
---

diff --git a/src/mux_quic.c b/src/mux_quic.c
index 996904d14..de443a568 100644
--- a/src/mux_quic.c
+++ b/src/mux_quic.c
@@ -2434,6 +2434,10 @@ int qcc_recv_reset_stream(struct qcc *qcc, uint64_t id, uint64_t err, uint64_t f
 		LIST_APPEND(&qcs->qcc->purg_list, &qcs->el_send);
 		tasklet_wakeup(qcs->qcc->wait_event.tasklet);
 	}
+	else {
+		/* Wake-up upper stream layer to notify about reset on read. */
+		qcs_alert(qcs);
+	}
 
  out:
 	if (qcc->glitches != prev_glitches && !(qcc->flags & QC_CF_IS_BACK))