# HG changeset patch
# User Sergey Kandaurov <pluknet@nginx.com>
# Date 1632309043 -10800
# Node ID ea9b645472b5cb381075a3a9638da48bef1feb55
# Parent  33578b8d453db0cef945c5d1fde77fafeeb2603c
HTTP/3: fixed null pointer dereference with server push.

See details for HTTP/2 fix in 8b0553239592 for a complete description.

diff -r 33578b8d453d -r ea9b645472b5 src/http/v3/ngx_http_v3_filter_module.c
--- a/src/http/v3/ngx_http_v3_filter_module.c	Wed Sep 22 14:08:21 2021 +0300
+++ b/src/http/v3/ngx_http_v3_filter_module.c	Wed Sep 22 14:10:43 2021 +0300
@@ -858,6 +858,10 @@
         return NGX_ABORT;
     }
 
+    if (r->headers_in.host == NULL) {
+        return NGX_ABORT;
+    }
+
     push_id = h3c->next_push_id++;
 
     rc = ngx_http_v3_create_push_request(r, path, push_id);