Re: [syzbot] KASAN: use-after-free Read in copy_page_from_iter_atomic (2)

From: Christoph Hellwig
Date: Thu Jun 16 2022 - 02:35:18 EST


On Thu, Jun 16, 2022 at 05:27:04AM +0800, Qu Wenruo wrote:
>> And how do I find out the logic address of the tree root?
>
> For tree root, "btrfs ins dump-super <dev> | grep '^root\s'.
>
> For other tree blocks, "btrfs ins dump-tree <dev>" then with other other
> keywords to grab.

Thanks a lot !