lkml.org 
[lkml]   [2021]   [Jun]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] blk-zoned: allow BLKREPORTZONE without CAP_SYS_ADMIN
On Mon, May 31, 2021 at 01:54:53PM +0000, Niklas Cassel wrote:
> From: Niklas Cassel <niklas.cassel@wdc.com>
>
> Performing a BLKREPORTZONE operation should be allowed under the same
> permissions as read(). (read() does not require CAP_SYS_ADMIN).
>
> Remove the CAP_SYS_ADMIN requirement, and instead check that the fd was
> successfully opened with FMODE_READ. This way BLKREPORTZONE will match
> the access control requirement of read().

Does this mean that a process that does not have read nor write access
to the device itself (blocks) is capable of reading the zone
information? Eg. some monitoring tool.

\
 
 \ /
  Last update: 2021-06-03 11:54    [W:0.057 / U:1.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site