Public bug reported: The crash occurs if the following PAM auth line is present when pppd tries to authenticate a user ("login" option) auth optional pam_smbpass.so migrate
Apr 18 23:40:39 ubuntu pppd[1622]: Initializing PAM (3) for user j Apr 18 23:40:39 ubuntu pppd[1622]: ---> PAM INIT Result = 0 Apr 18 23:40:39 ubuntu pppd[1622]: Attempting PAM authentication Apr 18 23:40:39 ubuntu pppd[1622]: Fatal signal 11 Apr 18 23:40:39 ubuntu charon: 16[KNL] interface ppp0 deleted This is seen at least on the following scenario: 1-L2TP vpn environment using xl2tpd + pppd 2-authentication method is PAP. 3-ppp version 2.4.5-5.1ubuntu2.2 The PAM config auth line is automatically added to "common-auth" when installing the following package libpam-smbpass:i386 2:4.1.6+dfsg-1ubuntu2 # lsb_release -rd Description: Ubuntu 14.04.4 LTS Release: 14.04 ** Affects: ppp (Ubuntu) Importance: Undecided Status: New ** Tags: libpam-smbpass pam pppd -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1571889 Title: pppd exits with Fatal signal 11, on PAM auth. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ppp/+bug/1571889/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs