From: Eric Biggers <ebiggers3@gmail.com>
Date: Fri, 22 Jan 2016 04:58:16 +0000 (-0600)
Subject: win32_capture: correctly handle unspecified security IDs in MFT
X-Git-Tag: v1.9.0~3
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=58ccad75516dcb536515cfb672e150670f44b957;hp=4109848cdf4c31d8ea1a410b183478ad4124f15b

win32_capture: correctly handle unspecified security IDs in MFT
---

diff --git a/src/win32_capture.c b/src/win32_capture.c
index ef7d118a..786756f7 100644
--- a/src/win32_capture.c
+++ b/src/win32_capture.c
@@ -2477,6 +2477,9 @@ security_map_lookup(struct security_map *map, u32 disk_security_id)
 	struct security_map_node tmp;
 	const struct avl_tree_node *res;
 
+	if (disk_security_id == 0)  /* No on-disk security ID; uncacheable  */
+		return -1;
+
 	tmp.disk_security_id = disk_security_id;
 	res = avl_tree_lookup_node(map->root, &tmp.index_node,
 				   _avl_cmp_security_map_nodes);
@@ -2491,6 +2494,9 @@ security_map_insert(struct security_map *map, u32 disk_security_id,
 {
 	struct security_map_node *node;
 
+	if (disk_security_id == 0)  /* No on-disk security ID; uncacheable  */
+		return 0;
+
 	node = MALLOC(sizeof(*node));
 	if (!node)
 		return WIMLIB_ERR_NOMEM;