Re: [PATCH v2 2/3] vfs: catch invalid modes in may_open()
From: Jan Kara
Date: Fri Feb 07 2025 - 08:16:49 EST
On Thu 06-02-25 18:03:06, Mateusz Guzik wrote:
> Signed-off-by: Mateusz Guzik <mjguzik@xxxxxxxxx>
Looks good. Feel free to add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
> ---
> fs/namei.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/fs/namei.c b/fs/namei.c
> index 3ab9440c5b93..21630a0f8e30 100644
> --- a/fs/namei.c
> +++ b/fs/namei.c
> @@ -3415,6 +3415,8 @@ static int may_open(struct mnt_idmap *idmap, const struct path *path,
> if ((acc_mode & MAY_EXEC) && path_noexec(path))
> return -EACCES;
> break;
> + default:
> + VFS_BUG_ON_INODE(1, inode);
> }
>
> error = inode_permission(idmap, inode, MAY_OPEN | acc_mode);
> --
> 2.43.0
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR