From 9860a82b195afb9c8d7a98536c752927b677736b Mon Sep 17 00:00:00 2001
From: Sergey Kandaurov <pluknet@nginx.com>
Date: Tue, 7 Dec 2021 15:49:30 +0300
Subject: [PATCH] HTTP/3: avoid sending stream cancellation for pushed streams.

---
 src/http/v3/ngx_http_v3_request.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/http/v3/ngx_http_v3_request.c b/src/http/v3/ngx_http_v3_request.c
index e103a7eca..6faa3ee0b 100644
--- a/src/http/v3/ngx_http_v3_request.c
+++ b/src/http/v3/ngx_http_v3_request.c
@@ -405,7 +405,9 @@ ngx_http_v3_reset_connection(ngx_connection_t *c)
     }
 #endif
 
-    if (h3scf->max_table_capacity > 0 && !c->read->eof) {
+    if (h3scf->max_table_capacity > 0 && !c->read->eof
+        && (c->quic->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0)
+    {
         (void) ngx_http_v3_send_cancel_stream(c, c->quic->id);
     }