diff options
| -rw-r--r-- | fs/ntfs3/index.c | 4 |
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; |