From 38ab421f60f79f8dfd85f24a03c358a7a8431018 Mon Sep 17 00:00:00 2001
From: Joshua Rogers <MegaManSec@users.noreply.github.com>
Date: Tue, 7 Oct 2025 13:59:29 +0800
Subject: [PATCH] h3/ngtcp2: close just-opened QUIC stream when submit_request
 fails

Closes #18904
---
 lib/vquic/curl_ngtcp2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/vquic/curl_ngtcp2.c b/lib/vquic/curl_ngtcp2.c
index 0254f594ef..68f346af78 100644
--- a/lib/vquic/curl_ngtcp2.c
+++ b/lib/vquic/curl_ngtcp2.c
@@ -1607,6 +1607,7 @@ static CURLcode h3_stream_open(struct Curl_cfilter *cf,
                   "%d (%s)", stream->id, rc, nghttp3_strerror(rc));
       break;
     }
+    cf_ngtcp2_stream_close(cf, data, stream);
     result = CURLE_SEND_ERROR;
     goto out;
   }
-- 
2.47.3