import sys
import threading

def crash():
    sys.setcheckinterval(1)
    out = open('/dev/null', 'w')
    r = range(100)
    l = [[]]
    def truncate():
        while True:
            l[0][:] = []
    t = threading.Thread(target=truncate)
    try:
        t.start()
        while True:
            l[0][:] = r
            print >> out, l
    finally:
        t.join()

if __name__ == '__main__':
    crash()