I got this error by regular "sudo apt-get install <package>" sentence.
Ubuntu 15.10. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/86433 Title: [apport] apt-cache crashed with SIGSEGV in strlen() Status in apt package in Ubuntu: Invalid Bug description: Binary package hint: apt I was using zsh completion and had typed sagi molly-g[tab] sagi is an alias for sudo apt-get install. ProblemType: Crash Date: Tue Feb 20 18:10:02 2007 DistroRelease: Ubuntu 7.04 ExecutablePath: /usr/bin/apt-cache Package: apt 0.6.46.4ubuntu7 ProcCmdline: apt-cache --generate pkgnames ProcCwd: /home/mbp/bzr/Work/tags ProcEnviron: PATH=/home/mbp/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/sbin:/sbin:/usr/sbin LANG=en_AU.UTF-8 SHELL=/bin/zsh Signal: 11 SourcePackage: apt StacktraceTop: strlen () from /lib/tls/i686/cmov/libc.so.6 ?? () CommandLine::DispatchArg () ?? () __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 Uname: Linux kapu 2.6.20-8-generic #2 SMP Tue Feb 13 05:18:42 UTC 2007 i686 GNU/Linux UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev scanner video To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/86433/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp

