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 <jungyeon@xxxxxxxxxx> > Link: https://bugzilla.kernel.org/show_bug.cgi?id=202751 > Signed-off-by: Qu Wenruo <wqu@xxxxxxxx> Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
