btrfs-progs: dir-item: Make btrfs_delete_one_dir_name more robust to handle corrupted name len

Function btrfs_delete_one_dir_name() will check if the dir_item is the
last content of the item, and delete the whole item if needed.

However if @name_len of one dir_item/dir_index is corrupted and larger
than the item size, the function will still try to treat it as partly
remove, which will screw up the whole leaf.

This patch will enhance the item deletion check, to cover corrupted name
len, so in that case we just delete the whole item.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Su Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

0 files changed, 0 insertions, 0 deletions