Re: [PATCH v3 0/2] allow blk-zoned ioctls without CAP_SYS_ADMIN

From: Niklas Cassel
Date: Mon Jun 28 2021 - 03:20:24 EST


On Mon, Jun 14, 2021 at 12:23:19PM +0000, Niklas Cassel wrote:
> From: Niklas Cassel <niklas.cassel@xxxxxxx>
>
> Allow the following blk-zoned ioctls: BLKREPORTZONE, BLKRESETZONE,
> BLKOPENZONE, BLKCLOSEZONE, and BLKFINISHZONE to be performed without
> CAP_SYS_ADMIN.
>
> Neither read() nor write() requires CAP_SYS_ADMIN, and considering
> the close relationship between read()/write() and these ioctls, there
> is no reason to require CAP_SYS_ADMIN for these ioctls either.
>
> Changes since v2:
> -Drop the FMODE_READ check from patch 2/2.
> Right now it is possible to open() the device with O_WRONLY
> and get the zone report from that fd. Therefore adding a
> FMODE_READ check on BLKREPORTZONE would break existing applications.
> Instead, just remove the existing CAP_SYS_ADMIN check.
>
>
> Niklas Cassel (2):
> blk-zoned: allow zone management send operations without CAP_SYS_ADMIN
> blk-zoned: allow BLKREPORTZONE without CAP_SYS_ADMIN
>
> block/blk-zoned.c | 6 ------
> 1 file changed, 6 deletions(-)
>
> --
> 2.31.1

Hello Jens,


A gentle ping on this series.

I think it has sufficient Reviewed-by tags by now.


Kind regards,
Niklas