# HG changeset patch
# User Roman Arutyunyan <arut@nginx.com>
# Date 1605647556 0
# Node ID b80d9179ba2a4c3a68add5d9155f6e6dbb98248d
# Parent  507da0d3b07007d2bbdb3753fc2b952edda8b543
HTTP/3: finalize chunked response body chain with NULL.

Unfinalized chain could result in segfault.  The problem was introduced in
ef83990f0e25.

Patch by Andrey Kolyshkin.

diff --git a/src/http/modules/ngx_http_chunked_filter_module.c b/src/http/modules/ngx_http_chunked_filter_module.c
--- a/src/http/modules/ngx_http_chunked_filter_module.c
+++ b/src/http/modules/ngx_http_chunked_filter_module.c
@@ -216,6 +216,9 @@ ngx_http_chunked_body_filter(ngx_http_re
             cl->buf->last_buf = 0;
 
             *ll = tl;
+
+        } else {
+            *ll = NULL;
         }
 
     } else