Re: BUG: setuid sometimes doesn't.
From: Joe Malicki
Date: Thu Feb 26 2009 - 07:06:33 EST
----- "Joe Malicki" <jmalicki@xxxxxxxxxxxxx> wrote:
> Very rarely, we experience a setuid program not properly getting
> the euid of its owner.
>
> Thus far, we have only seen failures for the program being setuid
> root, being run by a non-root user, on a multi-core machine. Trying
> to
> setuid to a user from root, *or* booting with maxcpus=1 and trying to
> setuid from a non-root user to root, both fail.
Sorry, misstated that.
setuid from nonroot->root, or with maxcpus=1, always seems to work.
Only multiple cores with setuid to root has failed for us.
-Joe Malicki
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