[CentOS] SEtroubleshootd Crashing

Tue Dec 2 10:08:34 UTC 2014
John Beranek <john at redux.org.uk>

I'll jump in here to say we'll try your suggestion, but I guess what's not
been mentioned is that we get the setroubleshoot abrt's only a few times a
day, but we're getting 10000s of setroubleshoot messages in
/var/log/messages a day.

e.g.

Dec  2 10:03:55 server audispd: queue is full - dropping event
Dec  2 10:04:00 server audispd: last message repeated 199 times
Dec  2 10:04:00 server rsyslogd-2177: imuxsock begins to drop messages from
pid 5967 due to rate-limiting
Dec  2 10:04:01 server rsyslogd-2177: imuxsock lost 2 messages from pid
5967 due to rate-limiting
Dec  2 10:04:01 server audispd: queue is full - dropping event
Dec  2 10:04:02 server audispd: last message repeated 134 times
Dec  2 10:04:02 server setroubleshoot: SELinux is preventing /bin/ps from
read access on the file /proc/<pid>/stat. For complete SELinux messages.
run sealert -l 2274b1c7-fd69-4fa8-8e67-cd7a9da9eff4
Dec  2 10:04:02 server audispd: queue is full - dropping event
Dec  2 10:04:03 server audispd: last message repeated 48 times
Dec  2 10:04:03 server setroubleshoot: SELinux is preventing /bin/ps from
getattr access on the directory /proc/<pid>. For complete SELinux messages.
run sealert -l 2d09d555-8834-4c27-976b-6647f8673286
Dec  2 10:04:03 server audispd: queue is full - dropping event
Dec  2 10:04:03 server audispd: last message repeated 15 times
Dec  2 10:04:03 server rsyslogd-2177: imuxsock begins to drop messages from
pid 5967 due to rate-limiting
Dec  2 10:04:03 server setroubleshoot: SELinux is preventing /bin/ps from
search access on the directory /proc/<pid>/stat. For complete SELinux
messages. run sealert -l 0ef0c7a1-acb2-433a-aaa2-361cc95b6069
Dec  2 10:04:04 server setroubleshoot: last message repeated 2 times
Dec  2 10:04:04 server setroubleshoot: SELinux is preventing /bin/ps from
getattr access on the directory /proc/<pid>. For complete SELinux messages.
run sealert -l 58f859b0-7382-428e-81f0-3e85f66d79fc
Dec  2 10:04:04 server setroubleshoot: SELinux is preventing /bin/ps from
search access on the directory /proc/<pid>/stat. For complete SELinux
messages. run sealert -l 2448a46d-5089-4f85-aae8-e9013341471f
Dec  2 10:04:05 server setroubleshoot: last message repeated 2 times
Dec  2 10:04:05 server setroubleshoot: SELinux is preventing /bin/ps from
getattr access on the directory /proc/<pid>. For complete SELinux messages.
run sealert -l f935416b-54fe-4bbd-b66c-2e1b2e6724be
Dec  2 10:04:06 server setroubleshoot: SELinux is preventing /bin/ps from
search access on the directory /proc/<pid>/stat. For complete SELinux
messages. run sealert -l d8dbf973-7bc2-4fd5-9540-18c4040be03c
Dec  2 10:04:06 server setroubleshoot: last message repeated 2 times
Dec  2 10:04:06 server sedispatch: AVC Message for setroubleshoot, dropping
message
Dec  2 10:04:06 server sedispatch: last message repeated 3 times

Cheers,

John

On 1 December 2014 at 17:19, Daniel J Walsh <dwalsh at redhat.com> wrote:

>
> On 12/01/2014 10:39 AM, Gary Smithson wrote:
> > We are currently running libxml2-2.7.6-14.el6_5.2.x86_64
> >
> > How far back would you suggest we go? would
> libxml2-2.7.6-14.el6_5.1.x86_64 be sufficient
> Ok might not be related.  One other suggestion would be to clear the
> database out.  And see if there
> was something in the database that was causing it problems.
>
> Make sure there is no setroubleshootd running and
>
> >/var/lib/setroubleshoot/setroubleshoot_database.xml
> > -----Original Message-----
> > From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of Daniel J Walsh
> > Sent: 01 December 2014 15:10
> > To: CentOS mailing list
> > Subject: Re: [CentOS] SEtroubleshootd Crashing
> >
> > I am not sure.  I was just seeing email on this today.  Could you try to
> downgrade the latest version of libxml to see if the problem goes away.
> >
> > On 12/01/2014 10:01 AM, Gary Smithson wrote:
> >> Thanks
> >>
> >> Could you please clarify, which version libxml is broken and has there
> been a newer version released that will fix it.
> >>
> >> -----Original Message-----
> >> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> >> Behalf Of Daniel J Walsh
> >> Sent: 01 December 2014 14:58
> >> To: CentOS mailing list
> >> Subject: Re: [CentOS] SEtroubleshootd Crashing
> >>
> >> This seems to be a problem with an updated version of libxml.
> >> On 11/28/2014 09:04 AM, Gary Smithson wrote:
> >>> When running Node.js through Phusion Passenger on Centos 6.5 ( Linux
> 2.6.32-431.23.3.el6.x86_64 #1 SMP Thu Jul 31 17:20:51 UTC 2014 x86_64
> x86_64 x86_64 GNU/Linux), with SELinux enabled in permissive mode we
> receive a large number of entries in the audit.log and setroubleshootd
> randomly crashes with the following error, We have resolved the selinux
> alerts by following the troubleshooting steps recommend by running
> sealert,However we are concerned by setroubleshootd crashing and are
> concered that we may have masked the issue by fixing the entries in the
> audit.log.
> >>>
> >>>
> >>>
> >>> abrt_version:   2.0.8
> >>>
> >>> cmdline:        /usr/bin/python -Es /usr/sbin/setroubleshootd -f ''
> >>>
> >>> executable:     /usr/sbin/setroubleshootd
> >>>
> >>> kernel:         2.6.32-431.23.3.el6.x86_64
> >>>
> >>> last_occurrence: 1417101625
> >>>
> >>> time:           Thu 27 Nov 2014 03:20:25 PM UTC
> >>>
> >>> uid:            0
> >>>
> >>> username:       root
> >>>
> >>>
> >>>
> >>> sosreport.tar.xz: Binary file, 3642240 bytes
> >>>
> >>>
> >>>
> >>> backtrace:
> >>>
> >>> :analyze.py:426:lookup_signature:ProgramError: [Errno 1001] signature
> >>> not found
> >>>
> >>> :
> >>>
> >>> :Traceback (most recent call last):
> >>>
> >>> :  File
> >>> "/usr/lib64/python2.6/site-packages/setroubleshoot/analyze.py", line
> >>> 401, in auto_save_callback
> >>>
> >>> :    self.save()
> >>>
> >>> :  File
> >>> "/usr/lib64/python2.6/site-packages/setroubleshoot/analyze.py", line
> >>> 377, in save
> >>>
> >>> :    self.prune()
> >>>
> >>> :  File
> >>> "/usr/lib64/python2.6/site-packages/setroubleshoot/analyze.py", line
> >>> 340, in prune
> >>>
> >>> :    self.delete_signature(sig, prune=True)
> >>>
> >>> :  File
> >>> "/usr/lib64/python2.6/site-packages/setroubleshoot/analyze.py", line
> >>> 471, in delete_signature
> >>>
> >>> :    siginfo = self.lookup_signature(sig)
> >>>
> >>> :  File
> >>> "/usr/lib64/python2.6/site-packages/setroubleshoot/analyze.py", line
> >>> 426, in lookup_signature
> >>>
> >>> :    raise ProgramError(ERR_NO_SIGNATURE_MATCH)
> >>>
> >>> :ProgramError: [Errno 1001] signature not found
> >>>
> >>> :
> >>>
> >>> :Local variables in innermost frame:
> >>>
> >>> :matches: []
> >>>
> >>> :siginfo: None
> >>>
> >>> :self: <setroubleshoot.analyze.SETroubleshootDatabase object at
> >>> 0x151d590>
> >>>
> >>> :sig: <setroubleshoot.signature.SEFaultSignature object at 0x645a050>
> >>>
> >>>
> >>>
> >>> We are running the following versions Passenger/htttpd/node
> >>>
> >>>
> >>> passenger --version
> >>>
> >>> Phusion Passenger version 4.0.53
> >>>
> >>>
> >>> httpd -v
> >>> Server version: Apache/2.2.15 (Unix)
> >>> Server built:   Jul 23 2014 14:17:29
> >>>
> >>>
> >>> node -v
> >>> v0.10.32
> >>>
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-- 
John Beranek                         To generalise is to be an idiot.
http://redux.org.uk/                                 -- William Blake