aboutsummaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
-rw-r--r--fs/ntfs3/index.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c
index 51ab75954640..ae9616becec1 100644
--- a/fs/ntfs3/index.c
+++ b/fs/ntfs3/index.c
@@ -725,9 +725,13 @@ static struct NTFS_DE *hdr_find_e(const struct ntfs_index *indx,
u32 e_size, e_key_len;
u32 end = le32_to_cpu(hdr->used);
u32 off = le32_to_cpu(hdr->de_off);
+ u32 total = le32_to_cpu(hdr->total);
u16 offs[128];
fill_table:
+ if (end > total)
+ return NULL;
+
if (off + sizeof(struct NTFS_DE) > end)
return NULL;