fix segfault if there is single large_client_header_buffers
and a request line fills it completely
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index a0c4ea3..56eee26 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -954,9 +954,17 @@
}
if (rv == NGX_DECLINED) {
- len = r->header_in->end - r->header_name_start;
p = r->header_name_start;
+ if (p == NULL) {
+ ngx_log_error(NGX_LOG_INFO, c->log, 0,
+ "client sent too large request");
+ ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
+ return;
+ }
+
+ len = r->header_in->end - p;
+
if (len > NGX_MAX_ERROR_STR - 300) {
len = NGX_MAX_ERROR_STR - 300;
p[len++] = '.'; p[len++] = '.'; p[len++] = '.';