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    SubjectRe: [resend][PATCH 1/3] mqueue: revert bump up DFLT_*MAX
    (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.

    Thanks.




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