[Bug 961101] Re: sudo crashes with pam_mount.c:417: modify_pm_count: Assertion `user != ((void *)0)' failed.
Christian Mertes
961101 at bugs.launchpad.net
Wed Mar 21 12:01:36 UTC 2012
** Attachment added: "strace of sudo echo when the error occurs"
https://bugs.launchpad.net/bugs/961101/+attachment/2909550/+files/sudo_strace
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https://bugs.launchpad.net/bugs/961101
Title:
sudo crashes with pam_mount.c:417: modify_pm_count: Assertion `user !=
((void *)0)' failed.
Status in “sudo” package in Ubuntu:
New
Bug description:
For a while using sudo is not a problem but suddenly it starts failing
every time with:
sudo: pam_mount.c:417: modify_pm_count: Assertion `user != ((void
*)0)' failed.
It just happened *during* an "apt-get dist-upgrade". A reboot is
necessary to recover the ability to sudo.
This seems to be the same problem as the upstream bug
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=648698 "sudo: calls
pam_close_session without prior pam_open_session"
I changed my /etc/security/pam_mount.conf.xml according to this (German) howto http://wiki.ubuntuusers.de/Daten_verschl%C3%BCsseln#luks
The file is attached to this bug, as well as an strace of sudo.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libpam-mount 2.10-2build1
ProcVersionSignature: Ubuntu 3.2.0-19.30-generic 3.2.11
Uname: Linux 3.2.0-19-generic x86_64
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
Date: Wed Mar 21 12:43:58 2012
InstallationMedia: Lubuntu 12.04 "Precise Pangolin" - Alpha amd64 (20120201.1)
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, user)
LANG=en_GB.UTF-8
SHELL=/usr/bin/fizsh
SourcePackage: libpam-mount
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.security.pam.mount.conf.xml: 2012-03-20T22:28:41.812564
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