2021/04/10 06:47:35 executor failed 11 times: executor 0: exit status 67 SYZFAIL: tun read failed (errno 9: Bad file descriptor) SYZFAIL: child failed (errno 0: Success) loop exited with status 67 SYZFAIL: tun read failed (errno 9: Bad file descriptor) SYZFAIL: child failed (errno 0: Success) loop exited with status 67