linux panic-propagation

echo c > /proc/sysrq-trigger

---> drivers/tty/sysrq.c

sysrq_init

sysrq_init_procfs

write_sysrq_trigger

__handle_sysrq

__handle_sysrq

__sysrq_get_key_op

op_p->handler

sysrq_crash_op

sysrq_handle_crash

panic("sysrq triggered crash\n");