Thread: big problem can't sudo

i can't update, run synptic or admin or gksudo when try of above nothing happens here when try chown file set ok mistakenly edited sudoers file wrong in /etc/ have no idea how fix

code:

cmcanulty@gateway:~$ sudo chown -r cmcanulty /etc/sudoers sudo: /etc/sudoers mode 0640, should 0440 segmentation fault

recovery mode / drop root shell prompt.

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