Messages in this thread | | | Date | Sun, 18 Dec 2011 10:38:36 -0800 | From | Andrew Morton <> | Subject | Re: [resend][PATCH 1/3] mqueue: revert bump up DFLT_*MAX |
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On Sun, 18 Dec 2011 13:29:56 -0500 KOSAKI Motohiro <kosaki.motohiro@gmail.com> wrote:
> (12/9/11 5:35 PM), kosaki.motohiro@gmail.com wrote: > > From: KOSAKI Motohiro<kosaki.motohiro@jp.fujitsu.com> > > > > 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@jp.fujitsu.com> > > Acked-by: Doug Ledford<dledford@redhat.com> > > Acked-by: Joe Korty<joe.korty@ccur.com> > > Cc: Amerigo Wang<amwang@redhat.com> > > Cc: Serge E. Hallyn<serue@us.ibm.com> > > Cc: Jiri Slaby<jslaby@suse.cz> > > 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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