changeset 7004:b624fbf7bee2

HTTP/2: fixed segfault when memory allocation failed. If allocation of cleanup handler in the HTTP/2 header filter failed, then a stream might be freed with a HEADERS frame left in the output queue. Now the HEADERS frame is accounted in the queue before trying to allocate the cleanup handler.
author Valentin Bartenev <vbart@nginx.com>
date Tue, 23 May 2017 20:19:39 +0300
parents 7943298d4ac0
children 3e2d90073adf
files src/http/v2/ngx_http_v2_filter_module.c
diffstat 1 files changed, 2 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/src/http/v2/ngx_http_v2_filter_module.c
+++ b/src/http/v2/ngx_http_v2_filter_module.c
@@ -619,6 +619,8 @@ ngx_http_v2_header_filter(ngx_http_reque
 
     ngx_http_v2_queue_blocked_frame(r->stream->connection, frame);
 
+    r->stream->queued = 1;
+
     cln = ngx_http_cleanup_add(r, 0);
     if (cln == NULL) {
         return NGX_ERROR;
@@ -627,8 +629,6 @@ ngx_http_v2_header_filter(ngx_http_reque
     cln->handler = ngx_http_v2_filter_cleanup;
     cln->data = r->stream;
 
-    r->stream->queued = 1;
-
     fc->send_chain = ngx_http_v2_send_chain;
     fc->need_last_buf = 1;