I have the same issue with sudo not obeying ctrl+c. However, I don't think that winbind is the reason why. I use a fingerprint reader so I had to add my own auth line. Here is my /etc/pam.d/common-auth:
auth sufficient pam_thinkfinger.so auth [success=1 default=ignore] pam_unix.so try_first_pass nullok_secure auth requisite pam_deny.so auth required pam_permit.so -- Installing winbind causes sudo to behave weird on SIGINT https://bugs.launchpad.net/bugs/564842 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs