stan@linux-pwfe:~> sudo cpan
[sudo] password for root: 
Loading internal logger. Log::Log4perl recommended for better logging

There seems to be running another CPAN process (pid 8012).  Contacting...
Other job not responding. Shall I overwrite the lockfile '/root/.cpan/.lock'? (Y/n) [y] y

cpan shell -- CPAN exploration and modules installation (v2.22)
Enter 'h' for help.

Segmentation fault
stan@linux-pwfe:~> sudo rm /root/.cpan/.lock
stan@linux-pwfe:~> sudo cpan
Loading internal logger. Log::Log4perl recommended for better logging

cpan shell -- CPAN exploration and modules installation (v2.22)
Enter 'h' for help.

*** buffer overflow detected ***: /usr/bin/perl terminated
Aborted
stan@linux-pwfe:~>