[Bug 1788060] Re: du program crashes on /var/lib

[Robert J]

Adding on to this to say we're experiencing this issue on all Ubuntu
18.04 systems and we're also running xfs for a filesystem. It seems to
be related to /var/lib/lxcfs on all of those systems. When we exclude
/var/lib/lxcfs from du, it completes without core dumping.

root at system:/var# du --exclude 'lib/lxcfs/*' -h -d 1 .
3.1G	./log
14M	./backups
3.0G	./cache
480K	./crash
444M	./lib
0	./local
4.0K	./mail
0	./opt
1.3M	./spool
4.0K	./tmp
12K	./www
6.5G	.

root at system:/var# du -h --max-depth=1 .
873M	./log
14M	./backups
178M	./cache
312K	./crash
Aborted (core dumped)

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https://bugs.launchpad.net/bugs/1788060

Title:
  du program crashes on /var/lib

Status in coreutils package in Ubuntu:
  Expired

Bug description:
  We have an Ubuntu 18 installation using xfs file systems
  user at hostname:~$ df
  Filesystem     1K-blocks     Used Available Use% Mounted on
  udev             1989640        0   1989640   0% /dev
  tmpfs             404008      848    403160   1% /run
  /dev/sda1        9754624  3083376   6671248  32% /
  tmpfs            2020032        0   2020032   0% /dev/shm
  tmpfs               5120        0      5120   0% /run/lock
  tmpfs            2020032        0   2020032   0% /sys/fs/cgroup
  /dev/sda2       11194368   958336  10236032   9% /var
  tmpfs             404004        0    404004   0% /run/user/1001
  tmpfs             404004        0    404004   0% /run/user/601005952

  du aborts when run in /var and /var/lib, but not in any of the subdirectories of /var/lib
  I tried rebooting with linux ... init=/bin/bash to run xfs_repair on the /var/file system and it found no errors.
  After the repair command, I mounted /var and ran du again with no errors.
  However once I rebooted into the full O/S, du aborted again in /var and /var/lib.
  The du and sudo du both abort, but non-privileged du also dumps core.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: coreutils 8.28-1ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
  Uname: Linux 4.15.0-32-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  Date: Mon Aug 20 15:26:49 2018
  InstallationDate: Installed on 2018-06-11 (69 days ago)
  InstallationMedia: Ubuntu-Server 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: coreutils
  UpgradeStatus: No upgrade log present (probably fresh install)

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