** Attachment added: "/etc/pam.d/login"
http://launchpadlibrarian.net/15925705/login
** Description changed:
Binary package hint: libpam-modules
I'm trying to setup pam_namespace.so to get per-session (per-user?)
mount points. I thought I had it working for a couple of logins and
then it stopped. I had debug mode enabled, and it appears to stop right
after parsing the /etc/security/namespace.conf file, then it segfaults.
I've tried using this module for both "login" and "sshd" with the same
results for both.
The pam module line I'm adding (I've tried a bunch of variations, but here is
an example):
session required pam_namespace.so debug ignore_config_error
ignore_instance_parent_mode
The auth log looks like this:
sshd[10826]: pam_unix(sshd:session): session opened for user lowell by
(uid=0)
sshd[10826]: pam_namespace(sshd:session): open_session - start
sshd[10826]: pam_namespace(sshd:session): Parsing config file
/etc/security/namespace.conf
Each log in attempt just fails silently for "login", and reports "Connection
reset by peer" with ssh. The "dmesg" command reports a line like this for each
login attempt:
[34321.503759] login[8000]: segfault at 00000008 eip b7eee78d esp
bfe9e480 error 4
[35952.573257] sshd[10808]: segfault at 00000008 eip b793778d esp
bfc42540 error 4
My /etc/security/namespace.conf file contains the following:
tmp /tmp-inst/ both root,adm
I've double check my directory permissions for the instance directories
- in namespaces.conf, so I don't think that is the issue. I found out
- that if I comment everything out in namespace.conf, then logins will
- work; but then it doesn't actually do anything either. I am using
+ in namespace.conf, so I don't think that is the issue. I found out that
+ if I comment everything out in namespace.conf, then logins will work;
+ but then it doesn't actually do anything either. I am using
pam_encfs.so in my common-auth file, but don't think thats the issue
since I have the same problem when I comment it out and use just the
standard "auth required pam_unix.so" line.
Linux lowellport 2.6.24-19-generic #1 SMP Wed Jun 18 14:43:41 UTC 2008 i686
GNU/Linux
Description: Ubuntu 8.04.1
Release: 8.04
libpam-modules 0.99.7.1-5ubuntu6.1
--
Segfault with pam_namespace
https://bugs.launchpad.net/bugs/247125
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