# DF-3332 pure-mode run, vulnerable variant (verbatim loop, no bail-out)
# $ sysctl -n debug.df3332.mode=1
# $ timeout-handled: sysctl -n debug.df3332.trigger=1   (ssh client killed at 25s)
TRIGGERING
0
<<< NEVER_PRINTS marker never appeared — the syscall never returned >>>

# follow-up session (fresh ssh):
#   uptime  ->  load averages: 0.63, 0.18, 0.06   (was 0.00 before trigger)
#   dmesg | grep -c "bad pkt"  ->  growing per-second (console flood)
#   serial console: ~100 lines/sec of "grab_packets [153] bad pkt at N len 0"
#   subsequent ssh sessions: "Connection timed out during banner exchange"
#     (intermittent — system-wide degradation under the flood)
#   shutdown -p now: never completed; vm.sh reset had to force-kill QEMU.
# total flood lines captured in run.kernelflood.full.log: 40,088