FORMERR DNS response may be equal to mininal query size

diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
index a7fe056e68326d9642960179565f2d46d07e7aa5..f887dcaaf65fd8ae09c84571b88406e53b460f5b 100644 (file)
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -960,7 +960,7 @@ ngx_resolver_process_response(ngx_resolver_t *r, u_char *buf, size_t n)
     ngx_resolver_qs_t     *qs;
     ngx_resolver_query_t  *query;
 
-    if ((size_t) n < sizeof(ngx_resolver_query_t) + 1) {
+    if ((size_t) n < sizeof(ngx_resolver_query_t)) {
         goto short_response;
     }