sudo: /usr/lib/sudo/sudoers.so must be only be writable by owner

For some reason, manually change to the usr folder permissions, after this account of my own (non-root) can not run the sudo command prompt “sudo: /usr/lib/sudo/sudoers.so must be only be writable by owner”mistakes.
run as root:

pkexec chmod go-w /usr/lib/sudo/sudoers.so

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Origin www.cnblogs.com/chay/p/11611284.html