permissions are too open

git from agent: agent refused operation Ошибка Permissions ... for ... are too open

Проблема

При выполнении

git pull

Получаем:

sign_and_send_pubkey: signing failed for RSA "..." from agent: agent refused operation
git@github.com: Permission denied (publickey).
fatal: Could not read from remote repository.

также при попытке сделать git-add:

 ssh-add путькключу

получаем ошибку вроде:

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