From 90325ff0444cbdff368bda5d26d6405a0bb6ee43 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Wed, 5 Aug 2026 10:02:53 +0200
Subject: [PATCH] http2: make server push transfers inherit share from parent

Reported-by: Stephan Zeisberg
Closes #22488
---
 lib/http2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/http2.c b/lib/http2.c
index 08dfb6d919..03f226c92e 100644
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -46,6 +46,7 @@
 #include "bufref.h"
 #include "curlx/dynbuf.h"
 #include "headers.h"
+#include "curl_share.h"
 
 #if NGHTTP2_VERSION_NUM < 0x010f00
 #error "nghttp2 1.15.0 or greater required"
@@ -704,6 +705,8 @@ static struct Curl_easy *h2_duphandle(struct Curl_cfilter *cf,
     struct h2_stream_ctx *second_stream;
     http2_data_setup(cf, second, &second_stream);
     second->state.priority.weight = data->state.priority.weight;
+    if(data->share)
+      (void)Curl_share_easy_link(second, data->share);
   }
   return second;
 }