Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: sudo (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1575239
Title:
sudo sssd ldap segmentation fault
Status in sudo package in Ubuntu:
Confirmed
Bug description:
This seems to be comparable to this bug:
https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/1327268
The same situation with the same results but in 16.04 Xenial Release -
sudo_1.8.16-0ubuntu1_amd64.deb.
The problem is resolved by installing the Trusty sudo package -
sudo_1.8.9p5-1ubuntu1.1_amd64.deb.
This problem does not exist if sssd is not installed.
lsb_release -rd
Description: Ubuntu 16.04 LTS
Release: 16.04
apt-cache policy sudo
sudo:
Installed: 1.8.16-0ubuntu1
Candidate: 1.8.16-0ubuntu1
Version table:
*** 1.8.16-0ubuntu1 500
500 ftp://ls-mirror.csir.co.za/mirrors/ubuntu/repositories/xenial
xenial/main amd64 Packages
100 /var/lib/dpkg/status
The local repo is built from archive.ubuntu.com via debmirror.
All updates installed.
Expected result:
sudo -l to show sudo permissions
Received result:
Segmentation fault (core dumped)
/var/log/syslog:
Apr 26 17:17:24 cstrydom-vm1 kernel: [ 709.535083] sudo[10116]: segfault at
0 ip 00007fa7a7aac944 sp 00007ffe547c4458 error 4 in
sudoers.so[7fa7a7a80000+4b000]
gdb output:
Starting program: /usr/bin/sudo
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
sudo: effective uid is not 0, is /usr/bin/sudo on a file system with the
'nosuid' option set or an NFS file system without root privileges?
[Inferior 1 (process 4911) exited with code 01]
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