On Sat, Mar 08, 2025 at 12:58:27AM +0800, Alan Huang wrote:
> When bset past end of btree node, we should not add sectors to
> b->written, which will overflow b->written.
> 
> Reported-by: [email protected]
> Tested-by: [email protected]
> Signed-off-by: Alan Huang <[email protected]>

Applied

> ---
>  fs/bcachefs/btree_io.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
> index 80a0094be356..18413b4f22a3 100644
> --- a/fs/bcachefs/btree_io.c
> +++ b/fs/bcachefs/btree_io.c
> @@ -1187,7 +1187,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct 
> bch_dev *ca,
>                            le64_to_cpu(i->journal_seq),
>                            b->written, b->written + sectors, ptr_written);
>  
> -             b->written += sectors;
> +             b->written = min(b->written + sectors, btree_sectors(c));
>  
>               if (blacklisted && !first)
>                       continue;
> -- 
> 2.48.1
> 

Reply via email to