clamav-users May 2014 archive
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clamav-users: Re: [clamav-users] Version 0.98.3 hard loops on &q

Re: [clamav-users] Version 0.98.3 hard loops on "clamdscan -V"

From: Shawn Webb <swebb_at_nospam>
Date: Fri May 09 2014 - 19:17:19 GMT
To: ClamAV users ML <clamav-users@lists.clamav.net>

On Fri, May 9, 2014 at 3:02 PM, Philippe Ratté
<pratte@cybergeneration.com>wrote:

> Hello,
>
> This may not be related; however I am also having some loop issues with
> 0.98.3
>
> I'm using qmail-scanner, and everything works fine with 0.98.1
>
> Now, using 0.98.3, I've got some clamdscan processes that are looping
> non-stop opening '/etc/services':
>
> # strace -p 13472 -s 5120
> [...]
> open("/etc/services", O_RDONLY) = 3
> fcntl64(3, F_GETFD) = 0
> fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
> fstat64(3, {st_mode=S_IFREG|0644, st_size=362031, ...}) = 0
> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> = 0xb7fde000
> read(3, "# /etc/services:\n# $Id: services,v 1.42 2006/02/23 13:09:23
> pknirsch Exp $\n#\n# Network services, Internet style\n#\n# Note that it is
> presently the policy of IANA to assign a single well-known\n# port number
> for both TCP and UDP; hence, most entries here have two entries\n# even if
> the protocol doesn\'t support UDP operations.\n# Updated from RFC 1700,
> ``Assigned Numbers\'\' (October 1994). Not all ports\n# are included, only
> the more common ones.\n#\n# The latest IANA port assignments can be gotten
> from\n#\thttp://www.iana.org/assignments/port-numbers\n# The Well Known
> Ports are those from 0 through 1023.\n# The Registered Ports are those from
> 1024 through 49151\n# The Dynamic and/or Private Ports are those from 49152
> through 65535\n#\n# Each line describes one service, and is of the form:\n#
> \n# service-name port/protocol [aliases ...]
>
> Any ideas?
>
> Thanks!
>
> > -----Message d'origine-----
> > De : clamav-users-bounces@lists.clamav.net [mailto:clamav-users-
> > bounces@lists.clamav.net] De la part de Eric Shubert
> > Envoyé : Friday, May 09, 2014 2:49 PM
> > À : clamav-users@lists.clamav.net
> > Objet : Re: [clamav-users] Version 0.98.3 hard loops on "clamdscan -V"
> >
> > On 05/09/2014 04:41 AM, Shawn Webb wrote:
> > > On Thu, May 8, 2014 at 10:35 PM, Eric Shubert <ejs@shubes.net> wrote:
> > >
> > >> Immediately after upgrading from 0.98 to 0.98.3,
> > >> when "clamdscan --stdout -V" is run (via simscanmk -g),
> > >> the clamdscan appears to go into a hard loop (eats a lot of cpu
> > endlessly).
> > >>
> > >> Here are non-default config settings:
> > >> [root@qmt-cos5 etc]# grep -v ^# clamd.conf | grep -v ^$
> > >> LogClean yes
> > >> LogVerbose yes
> > >> LocalSocket /tmp/clamd.socket
> > >> FixStaleSocket yes
> > >> Foreground yes
> > >> ScanMail yes
> > >>
> > >> Any ideas?
> > >> Thanks.
> > >
> > >
> > > Hey Eric,
> > >
> > > I'm having a bit of trouble reproducing the issue here. What OS and
> what
> > > version of the OS are you using? What architecture (x86, x64)? What
> > happens
> > > if you run the clamdscan command manually? Can you paste to a pastebin
> > > service the output of clamconf and your config.log file?
> > >
> > > Thanks,
> > >
> > > Shawn
> > > _______________________________________________
> >
> > Hey Shawn. Sorry I didn't include more details.
> > CentOS 5.10, i386.
> >
> > I get the same result (looping) when I run "clamdscan --stdout -V"
> > manually.
> >
> > However, if I start clamd, wait for it to load everything, then run
> > clamdscan, then clamdscan works. When I stop clamd, try clamdscan again,
> > then it loops again.
> >
> > So it appears that when clamd is running, clamdscan works. When clamd
> > isn't running, clamdscan appears to go into a hard loop (presumably
> > waiting for something that never happens).
> >
> > clamconf is at http://pastebin.com/dJAJF8T1
> >
> > I don't appear to have any config.log. How do I get that?
>

Hey Eric and Philippe,

Can you both apply the patch from this bug ticket?
https://bugzilla.clamav.net/show_bug.cgi?id=10987

I'm wondering if it's related.

Thanks,

Shawn
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