Re: [PATCH 0/3] name_is_dot* cleanup

[Eric Biggers <ebiggers@kernel.org>]

On Wed, Jan 28, 2026 at 02:24:03PM +0100, Amir Goldstein wrote:
> Miklos,
> 
> Following the syzbot ovl bug report and a fix by Qing Wang,
> I decided to follow up with a small vfs cleanup of some
> open coded version of checking "." and ".." name in readdir.
> 
> The fix patch is applied at the start of this cleanup series to allow
> for easy backporting, but it is not an urgent fix so I don't think
> there is a need to fast track it.
> 
> Christian,
> 
> I am assuming that you would want to take the vfs cleanup
> via your tree, so might as well take the ovl adjacent patches
> with it.
> 
> If you want me to drive this entire series via ovl tree, please
> ack the vfs cleanup patch.
> 
> Thanks,
> Amir.
> 
> [1] https://lore.kernel.org/linux-unionfs/20260127105248.1485922-1-wangqing7171@gmail.com/
> 
> Amir Goldstein (2):
>   fs: add helpers name_is_dot{,dot,_dotdot}
>   ovl: use name_is_dot* helpers in readdir code
> 
> Qing Wang (1):
>   ovl: Fix uninit-value in ovl_fill_real

Reviewed-by: Eric Biggers <ebiggers@kernel.org>

- Eric