From a36323bc62a44b849de48214effb8f5e9e5065b6 Mon Sep 17 00:00:00 2001
From: aia21 <aia21>
Date: Wed, 16 Aug 2006 08:14:22 +0000
Subject: [PATCH] Make ntfsinfo more resilient to corrupt metadata.  Otherwise
 it can cause an infinite loop...

---
 ntfsprogs/ntfsinfo.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ntfsprogs/ntfsinfo.c b/ntfsprogs/ntfsinfo.c
index ebb69cec..8cbe12e9 100644
--- a/ntfsprogs/ntfsinfo.c
+++ b/ntfsprogs/ntfsinfo.c
@@ -1443,6 +1443,10 @@ static int ntfs_dump_index_entries(INDEX_ENTRY *entry, INDEX_ATTR_TYPE type)
 			ntfs_dump_index_data(entry, type);
 			break;
 		}
+		if (!entry->length) {
+			ntfs_log_verbose("\tWARNING: Corrupt index entry, skipping this index block.\n");
+			break;
+		}
 		entry = (INDEX_ENTRY *)((u8 *)entry +
 						le16_to_cpu(entry->length));
 		numb_entries++;