nginx 0.7.55 *) Bugfix: the http_XXX parameters in "proxy_cache_use_stale" and "fastcgi_cache_use_stale" directives did not work. *) Bugfix: fastcgi cache did not cache header only responses. *) Bugfix: of "select() failed (9: Bad file descriptor)" error in nginx/Unix and "select() failed (10022: ...)" error in nginx/Windows. *) Bugfix: a segmentation fault might occur in worker process, if an "debug_connection" directive was used; the bug had appeared in 0.7.54. *) Bugfix: fix ngx_http_image_filter_module building errors. *) Bugfix: the files bigger than 2G could not be transferred using $r->sendfile. Thanks to Maxim Dounin.

--- a/src/http/modules/ngx_http_image_filter_module.c
+++ b/src/http/modules/ngx_http_image_filter_module.c
@@ -186,7 +186,7 @@ ngx_http_image_header_filter(ngx_http_re
 
     len = r->headers_out.content_length_n;
 
-    if (len != -1 && len > conf->buffer_size) {
+    if (len != -1 && len > (off_t) conf->buffer_size) {
         ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                       "image filter: too big response: %O", len);