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From: Debian PHP Maintainers <pkg-php-maint@lists.alioth.debian.org>
Date: Sat, 2 May 2015 10:26:54 +0200
Subject: lp564920-fix-big-files
---
main/streams/plain_wrapper.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/main/streams/plain_wrapper.c b/main/streams/plain_wrapper.c
index 85771ea..aaa8518 100644
--- a/main/streams/plain_wrapper.c
+++ b/main/streams/plain_wrapper.c
@@ -767,7 +767,13 @@ 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) {
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