Re: [PATCH 0/5] btrfs: fix exploits that allow malicious users to turn fs into RO mode

[Qu Wenruo <wqu@suse.com>]

在 2026/2/27 01:03, fdmanana@kernel.org 写道:
> From: Filipe Manana <fdmanana@suse.com>
> 
> We have a couple scenarios that regular users can exploit to trigger a
> transaction abort and turn a filesystem into RO mode, causing some
> disruption. The first 2 patches fix these, the remainder are just a few
> trivial and cleanups.
> 

Reviewed-by: Qu Wenruo <wqu@suse.com>

Thanks,
Qu

> Filipe Manana (5):
>    btrfs: fix transaction abort on file creation due to name hash collision
>    btrfs: fix transaction abort when snapshotting received subvolumes
>    btrfs: stop checking for -EEXIST return value from btrfs_uuid_tree_add()
>    btrfs: remove duplicated uuid tree existence check in btrfs_uuid_tree_add()
>    btrfs: remove pointless error check in btrfs_check_dir_item_collision()
> 
>   fs/btrfs/dir-item.c    |  4 +---
>   fs/btrfs/inode.c       | 19 +++++++++++++++++++
>   fs/btrfs/ioctl.c       |  2 +-
>   fs/btrfs/transaction.c | 18 +++++++++++++++++-
>   fs/btrfs/uuid-tree.c   |  5 +----
>   5 files changed, 39 insertions(+), 9 deletions(-)
>