On 8.03.19 г. 9:29 ч., Qu Wenruo wrote:
> We already have btrfs_check_chunk_valid() to verify each chunk before
> tree-checker.
>
> Merge that function into tree-checker, and update its error message to
> be more readable.
>
> Old error message would be something like:
> BTRFS error (device dm-3): invalid chunk num_stipres: 0
>
> New error message would be:
> Btrfs critical (device dm-3): corrupt superblock syschunk array:
> chunk_start=2097152, invalid chunk num_stripes: 0
> Or
> Btrfs critical (device dm-3): corrupt leaf: root=3 block=8388608 slot=3
> chunk_start=2097152, invalid chunk num_stripes: 0
>
> Btrfs_check_chunk_valid() is exported for super block syschunk array
> verification.
>
> Also make tree-checker to verify chunk items, this makes chunk item
> checker covers all chunks and avoid fuzzed image.
>
> Reported-by: Yoon Jungyeon <jungy...@gatech.edu>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=202751
> Signed-off-by: Qu Wenruo <w...@suse.com>
Reviewed-by: Nikolay Borisov <nbori...@suse.com>
