Permission Error Reported When the Kernel Is Running

Symptom

The following error message is displayed when the kernel is running:

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raise PermissionError(f'Path {path} cannot have write permission of group.')
PermissionError: Path /any_path/_gen_module.so cannot have write permission of group.

Error Cause

The default permission on the file created by the current user includes group write access.

Solution

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$ umask -S
$ umask 0022
u=rwx,g=rx,o=rx