diff options
Diffstat (limited to 'fs/ntfs/inode.c')
| -rw-r--r-- | fs/ntfs/inode.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index 0acd1f02b..97d34de2a 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -1854,6 +1854,13 @@ int ntfs_read_inode_mount(struct inode *vi) goto err_out; } + /* Sanity check offset to the first attribute */ + if (le16_to_cpu(m->attrs_offset) >= le32_to_cpu(m->bytes_allocated)) { + ntfs_error(sb, "Incorrect mft offset to the first attribute %u in superblock.", + le16_to_cpu(m->attrs_offset)); + goto err_out; + } + /* Need this to sanity check attribute list references to $MFT. */ vi->i_generation = ni->seq_no = le16_to_cpu(m->sequence_number); |