[Bug 708395] [NEW] clamdscan can't scan anything

[Andrew]

Public bug reported:

Binary package hint: clamav-daemon

No matter what directory(ies) or file(s) I try to scan with clamdscan, I
receive the following error immediately:


root at uhs:/raid/Share/Public/# clamdscan -v /raid/Share/Public/
/raid/Share/Public: lstat() failed: Permission denied. ERROR

----------- SCAN SUMMARY -----------
Infected files: 0
Total errors: 1
Time: 0.004 sec (0 m 0 s)
root at uhs:/raid/Share/Public/#


/raid/Share/Public has 777 permissions:


root at uhs:/raid/Share/Public# sudo -u clamav stat /raid/Share/Public/
  File: `/raid/Share/Public/'
  Size: 6           Blocks: 0          IO Block: 4096   directory
Device: 900h/2304d  Inode: 54526208    Links: 2
Access: (0777/drwxrwxrwx)  Uid: ( 1000/awensley)   Gid: (  120/   admin)
Access: 2011-01-19 01:00:00.304365306 -0600
Modify: 2011-01-18 22:47:06.793592673 -0600
Change: 2011-01-19 00:42:52.023813550 -0600
root at uhs:/raid/Share/Public#


I tried adding clamav to the admin and root user groups.  No difference.

After reading through this bug report:
https://bugs.launchpad.net/ubuntu/+source/clamav/+bug/450250

I added the following lines to /etc/apparmor.d/usr.sbin.clamd:


/raid/ r,
/raid/** r,


Restarted apparmor and clamav-daemon, same problem.  Also, the lines allowing the user's home directory to be scanned were already in there, so I'm definitely using a version in which the developers believe that bug is fixed.

I've even disabled apparmor and selinux completely by running:


root at uhs:/raid/Share/Public# service apparmor teardown
 * Unloading AppArmor profiles                                     [ OK ]
root at uhs:/raid/Share/Public# echo 0 > /selinux/enforce
root at uhs:/raid/Share/Public#


Restarted clamav-daemon, and still had the same problem.
I receive this same error message no matter what I try to scan - even my home directory - and it's always immediately.  I have the same issue on 5 separate Ubuntu 10.04 machines, 3 of which are servers.

After asking this question on Ask Ubuntu:
http://askubuntu.com/questions/22307/why-cant-clamdscan-scan-anything/

I've concluded that this is a bug.


Description:	Ubuntu 10.04.1 LTS
Release:	10.04
ClamAV 0.96.5/12572/Tue Jan 25 22:02:00 2011
clamav-daemon:
  Installed: 0.96.5+dfsg-1ubuntu1.10.04.1
  Candidate: 0.96.5+dfsg-1ubuntu1.10.04.1
  Version table:
 *** 0.96.5+dfsg-1ubuntu1.10.04.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
        100 /var/lib/dpkg/status
     0.96.3+dfsg-2ubuntu1.0.10.04.2 0
        500 http://security.ubuntu.com/ubuntu/ lucid-security/main Packages
     0.96+dfsg-2ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: clamav-daemon 0.96.5+dfsg-1ubuntu1.10.04.1
ProcVersionSignature: Ubuntu 2.6.32-27.49-server 2.6.32.26+drm33.12
Uname: Linux 2.6.32-27-server x86_64
Architecture: amd64
Date: Wed Jan 26 17:13:11 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu-Server 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.2)
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: clamav

** Affects: clamav (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug clamav-daemon clamdscan lstat lucid permissions

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https://bugs.launchpad.net/bugs/708395

Title:
  clamdscan can't scan anything