Re: Killing a process with a kernel module

From: Pavel Machek
Date: Sun Nov 06 2005 - 11:47:04 EST


Hi!

> RedHat recently released RHEL4 U2, and this update has some
> unfortunate consequences, mainly
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=170087
>
> As stated in the bugzilla report above, useradd gets stuck in a R
> state and ignores all signals.
>
> I have a critical system which I can't take down for another week or
> so, but the extra load generated by the rogue useradd process is
> slowing things down a little too much.
>
> I was wondering if it was possible to safely terminate the process
> using a more direct method (perhaps by manipulating kernel data
> structures.)
>
> What I'd like to know is if it is actually possible before attempting
> to write the code to do it.
>
> I know this is a long shot, but it's probably worth trying. :)

Maybe doable, but I'd certainly not do it on important machine.

Pavel
--
Thanks, Sharp!
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