On Fri, 24 May 2019 14:01:35 -0700 Fred <[email protected]> wrote: > Hello, > I subscribe to the Devuan Linux mailing list. This posting just > arrived and it appears quite important to Debian. > > -------- Forwarded Message -------- > Subject: [DNG] Linux system can be brought down by sending > SIGILL to Systemd > Date: Fri, 24 May 2019 22:04:34 +0200 > From: Martin Steigerwald <[email protected]> > To: DNG <[email protected]> > > > > Hi! > > Today in a Linux training a participant attempted to bring down Debian > workstation with Systemd by sending signals to PID 1 as I invited them > to try to bring down PID 1 while thinking for myself that this would > not be possible from my past experiences about trying to bring down > PID 1 – init – myself.
# while true; do kill -ILL 1 ; echo -n "." ; sleep 0.5 ; done ...........................^C no problem here kernel 5.1.4 stretch amd64 with systemd
