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Re: kern/37986: any user can hog the all cpu with _sched_setparam.
The following reply was made to PR kern/37986; it has been noted by GNATS.
From: yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)
Cc: rmind%NetBSD.org@localhost, gnats-bugs%NetBSD.org@localhost
Subject: Re: kern/37986: any user can hog the all cpu with _sched_setparam.
Date: Mon, 11 Feb 2008 19:15:14 +0900 (JST)
> I'm not sure the compat code is wrong. It seems the policy present
> there, of checking root and uid matching, is closer to what other OSs
> seem to do in this regard (I only briefly looked at FreeBSD, Linux,
> Solaris, and HP-UX).
iirc our compat code doesn't actually change scheduling parameters yet.
i believe these OSes have appropriate permission checks. (otherwise it's
their bug, which we should not follow even for compat code.)
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