nginx 0.1.35 *) Feature: the "working_directory" directive. *) Feature: the "port_in_redirect" directive. *) Bugfix: the segmentation fault was occurred if the backend response header was in several packets; bug appeared in 0.1.29. *) Bugfix: if more than 10 servers were configured or some server did not use the "listen" directive, then the segmentation fault was occurred on the start. *) Bugfix: the segmentation fault might occur if the response was bigger than the temporary file. *) Bugfix: nginx returned the 400 response on requests like "GET http://www.domain.com/uri HTTP/1.0"; bug appeared in 0.1.28.

--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -1722,6 +1722,10 @@ ngx_http_discard_body(ngx_http_request_t
     ssize_t       size;
     ngx_event_t  *rev;
 
+    if (r->main) {
+        return NGX_OK;
+    }
+
     rev = r->connection->read;
 
     ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, "http set discard body");