On Fri, Jun 27, 2025 at 10:11:29PM +0530, Bharadwaj Raju wrote:
> Checking for invalid IDs was introduced in 9e7cfb35e266 ("bcachefs: Check for
> invalid btree IDs")
> to prevent an invalid shift later, but since 141526548052 ("bcachefs: Bad
> btree roots are now autofix")
> which made btree_root_bkey_invalid autofix, the fsck_err_on call didn't
> do anything.
>
> We can mark this err type (invalid_btree_id) autofix as well, so it gets
> handled.
Thanks, applied
> Reported-by: [email protected]
> Closes: https://syzkaller.appspot.com/bug?extid=029d1989099aa5ae3e89
> Fixes: 141526548052 ("bcachefs: Bad btree roots are now autofix")
>
> Signed-off-by: Bharadwaj Raju <[email protected]>
> ---
> fs/bcachefs/sb-errors_format.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/bcachefs/sb-errors_format.h b/fs/bcachefs/sb-errors_format.h
> index 0641fb634bd4..d154b7651d28 100644
> --- a/fs/bcachefs/sb-errors_format.h
> +++ b/fs/bcachefs/sb-errors_format.h
> @@ -314,7 +314,7 @@ enum bch_fsck_flags {
> x(accounting_mismatch, 272,
> FSCK_AUTOFIX) \
> x(accounting_replicas_not_marked, 273, 0)
> \
> x(accounting_to_invalid_device, 289, 0)
> \
> - x(invalid_btree_id, 274, 0)
> \
> + x(invalid_btree_id, 274,
> FSCK_AUTOFIX) \
> x(alloc_key_io_time_bad, 275, 0)
> \
> x(alloc_key_fragmentation_lru_wrong, 276,
> FSCK_AUTOFIX) \
> x(accounting_key_junk_at_end, 277,
> FSCK_AUTOFIX) \
> --
> 2.50.0
>