Subject: Re: ptrace() vs. SIGKILL?
To: NetBSD Security Technical Discussion List <email@example.com>
From: der Mouse <mouse@Rodents.Montreal.QC.CA>
Date: 12/06/2002 23:05:32
>> Heh, I was pondering this the other day after the realisation that
>> ptrace() could prevent SIGKILL from killing a process.
> Hmmm.... If ptrace() could prevent SIGKILL from taking effect for
> anyone but the superuser then that would be a very serious security
> bug, not just on un-hardened boxes.
Greg, meet Reality.
I've never seen a system with ptrace that _didn't_ work this way. (Not
that I've looked very hard.)
/~\ The ASCII der Mouse
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