我该如何修复“等待 dpkg-deb --fsys-tarfile 子进程失败：没有子进程 E：子进程 /usr/bin/dpkg 返回错误代码 (2)”

Question

当我使用“sudo apt-get upgrade”时，dpkg 出现问题。

(Reading database ... 93929 files and directories currently installed.)
Preparing to unpack .../motd-news-config_11ubuntu5.7_all.deb ...
Unpacking motd-news-config (11ubuntu5.7) over (11ubuntu5.4) ...
dpkg: unrecoverable fatal error, aborting:
 wait for dpkg-deb --fsys-tarfile subprocess failed: No child processes
E: Sub-process /usr/bin/dpkg returned an error code (2)