lp564920-fix-big-files

Gbp-Pq: Name 0013-lp564920-fix-big-files.patch

diff --git a/main/streams/plain_wrapper.c b/main/streams/plain_wrapper.c
index 2f64c904dce410293013aa2d215b8c0f49c3c535..6ca7632010536f7505cc4f3e0e24a71dafdb09e1 100644 (file)
--- a/main/streams/plain_wrapper.c
+++ b/main/streams/plain_wrapper.c
@@ -796,7 +796,13 @@ static int php_stdiop_set_option(php_stream *stream, int option, int value, void
 
                                switch (value) {
                                        case PHP_STREAM_MMAP_SUPPORTED:
-                                               return fd == -1 ? PHP_STREAM_OPTION_RETURN_ERR : PHP_STREAM_OPTION_RETURN_OK;
+                                               if (fd == -1)
+                                                       return PHP_STREAM_OPTION_RETURN_ERR;
+                                               /* Don't mmap large files */
+                                               do_fstat(data, 1);
+                                               if (data->sb.st_size > 4 * 1024 * 1024)
+                                                       return PHP_STREAM_OPTION_RETURN_ERR;
+                                               return PHP_STREAM_OPTION_RETURN_OK;
 
                                        case PHP_STREAM_MMAP_MAP_RANGE:
                                                if (do_fstat(data, 1) != 0) {