Re: [resend][PATCH 1/3] mqueue: revert bump up DFLT_*MAX

[Andrew Morton]

On Sun, 18 Dec 2011 13:29:56 -0500 KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxx> wrote:

> (12/9/11 5:35 PM), kosaki.motohiro@xxxxxxxxx wrote:
> > From: KOSAKI Motohiro<kosaki.motohiro@xxxxxxxxxxxxxx>
> > 
> > Mqueue limitation is slightly naieve parameter likes other ipcs
> > because unprivileged user can consume kernel memory by using ipcs.
> > 
> > Thus, too aggressive raise bring us security issue. Example,
> > current setting allow evil unprivileged user use 256GB (= 256
> > * 1024 * 1024*1024) and it's enough large to system will belome
> > unresponsive. Don't do that.
> > 
> > Instead, every admin should adjust the knobs for their own systems.
> > 
> > Signed-off-by: KOSAKI Motohiro<kosaki.motohiro@xxxxxxxxxxxxxx>
> > Acked-by: Doug Ledford<dledford@xxxxxxxxxx>
> > Acked-by: Joe Korty<joe.korty@xxxxxxxx>
> > Cc: Amerigo Wang<amwang@xxxxxxxxxx>
> > Cc: Serge E. Hallyn<serue@xxxxxxxxxx>
> > Cc: Jiri Slaby<jslaby@xxxxxxx>
> 
> Andrew, can you please pick up this series into your tree? because your
> tree have related Doug mqueue patch series.

Soon.  I need to go back and read the email trail regarding Doug's patches.
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