Re: [PATCH 09/13] btrfs: modify the new_root highest_objectid under a ref count

[Nikolay Borisov]

On 16.12.20 г. 18:22 ч., Josef Bacik wrote:
> Qu pointed out a bug in one of my error handling patches, which made me
> notice that we modify the new_root->highest_objectid _after_ we've
> dropped the ref to the new_root.  This could lead to a possible UAF, fix
> this by modifying the ->highest_objectid before we drop our reference to
> the new_root.
> 
> Signed-off-by: Josef Bacik <jo...@toxicpanda.com>

This patch must be dropped as per
https://github.com/kdave/btrfs-devel/commit/6044ce89a75a07a80f28f4bfeddeefc1b772366a