From: Dave Chinner <david@fromorbit.com>
To: Dwight Engen <dwight.engen@oracle.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH v8 6/7] xfs: add capability check to free eofblocks ioctl
Date: Fri, 2 Aug 2013 11:47:25 +1000 [thread overview]
Message-ID: <20130802014725.GW7118@dastard> (raw)
In-Reply-To: <20130801113020.0d43302f@oracle.com>
On Thu, Aug 01, 2013 at 11:30:20AM -0400, Dwight Engen wrote:
> Check for CAP_SYS_ADMIN since the caller can truncate preallocated
> blocks from files they do not own nor have write access to. A more
> fine grained access check was considered: require the caller to
> specify their own uid/gid and to use inode_permission to check for
> write, but this would not catch the case of an inode not reachable
> via path traversal from the callers mount namespace.
>
> Add check for read-only filesystem to free eofblocks ioctl.
>
> Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
looks good.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
--
Dave Chinner
david@fromorbit.com
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2013-08-02 1:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-01 15:30 [PATCH v8 6/7] xfs: add capability check to free eofblocks ioctl Dwight Engen
2013-08-01 16:27 ` Brian Foster
2013-08-02 1:47 ` Dave Chinner [this message]
2013-08-02 2:47 ` Gao feng
-- strict thread matches above, loose matches on Subject: below --
2013-08-15 18:07 [PATCH v8 0/7] userns: Convert xfs to use kuid_t/kgid_t where appropriate Dwight Engen
2013-08-15 18:08 ` [PATCH v8 6/7] xfs: add capability check to free eofblocks ioctl Dwight Engen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130802014725.GW7118@dastard \
--to=david@fromorbit.com \
--cc=dwight.engen@oracle.com \
--cc=xfs@oss.sgi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox