[syslog-ng] FreeBSD core dump

[Alexandre Biancalana]

On Tue, Sep 17, 2013 at 10:30 AM, Gergely Nagy <algernon at balabit.hu> wrote:

> Alexandre Biancalana <biancalana at gmail.com> writes:
>
> > Hi list,
> >
> >  I'm running syslog-ng 3.4.3 (installed from FreeBSD ports) on FreeBSD
> 9.1
> > with self-written patterndb file to parse apache error_log, mod_security
> > and pagespeed errors.
> >
> > The syslog-ng source is httpd error_log file, after starting syslog-ng it
> > core dumps:
> >
> > ERROR:logmsg.c:1303:log_msg_unref: assertion failed:
> > (LOGMSG_REFCACHE_VALUE_TO_REF(old_value) >= 1)
> > Abort trap (core dumped)
> >
> > Let me know if you need more info.
>
> Could you post a backtrace too, please?
>

Here we go:

GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
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welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...(no debugging symbols
found)
...
Core was generated by `syslog-ng'.
Program terminated with signal 6, Aborted.
Reading symbols from /usr/local/lib/libsyslog-ng-3.4.3.so...done.
Loaded symbols for /usr/local/lib/libsyslog-ng-3.4.3.so
Reading symbols from /usr/lib/librt.so.1...done.
Loaded symbols for /usr/lib/librt.so.1
Reading symbols from /usr/local/lib/libgmodule-2.0.so.0...done.
Loaded symbols for /usr/local/lib/libgmodule-2.0.so.0
Reading symbols from /usr/local/lib/libgthread-2.0.so.0...done.
Loaded symbols for /usr/local/lib/libgthread-2.0.so.0
Reading symbols from /usr/local/lib/libglib-2.0.so.0...done.
Loaded symbols for /usr/local/lib/libglib-2.0.so.0
Reading symbols from /usr/local/lib/libintl.so.9...done.
Loaded symbols for /usr/local/lib/libintl.so.9
Reading symbols from /usr/local/lib/libiconv.so.3...done.
Loaded symbols for /usr/local/lib/libiconv.so.3
Reading symbols from /usr/local/lib/libevtlog.so.0...done.
Loaded symbols for /usr/local/lib/libevtlog.so.0
Reading symbols from /usr/local/lib/libpcre.so.3...done.
Loaded symbols for /usr/local/lib/libpcre.so.3
Reading symbols from /lib/libthr.so.3...done.
Loaded symbols for /lib/libthr.so.3
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /usr/local/lib/syslog-ng/libsystem-source.so...done.
Loaded symbols for /usr/local/lib/syslog-ng/libsystem-source.so
Reading symbols from /usr/lib/libz.so...done.
Loaded symbols for /usr/lib/libz.so
Reading symbols from /usr/local/lib/syslog-ng/libconfgen.so...done.
Loaded symbols for /usr/local/lib/syslog-ng/libconfgen.so
Reading symbols from /usr/local/lib/syslog-ng/libafsocket-tls.so...done.
Loaded symbols for /usr/local/lib/syslog-ng/libafsocket-tls.so
Reading symbols from /usr/local/lib/syslog-ng/libsyslog-ng-crypto.so...done.
Loaded symbols for /usr/local/lib/syslog-ng/libsyslog-ng-crypto.so
Reading symbols from /usr/local/lib/libcrypto.so.8...done.
Loaded symbols for /usr/local/lib/libcrypto.so.8
Reading symbols from /usr/local/lib/libssl.so.8...done.
Loaded symbols for /usr/local/lib/libssl.so.8
Reading symbols from /usr/local/lib/syslog-ng/libaffile.so...done.
Loaded symbols for /usr/local/lib/syslog-ng/libaffile.so
Reading symbols from /usr/local/lib/syslog-ng/libdbparser.so...done.
Loaded symbols for /usr/local/lib/syslog-ng/libdbparser.so
Reading symbols from /usr/local/lib/syslog-ng/libafamqp.so...done.
Loaded symbols for /usr/local/lib/syslog-ng/libafamqp.so
Reading symbols from /usr/local/lib/syslog-ng/libafuser.so...done.
Loaded symbols for /usr/local/lib/syslog-ng/libafuser.so
Reading symbols from /usr/local/lib/syslog-ng/libsyslogformat.so...done.
Loaded symbols for /usr/local/lib/syslog-ng/libsyslogformat.so
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0  0x0000000801f9938c in thr_kill () from /lib/libc.so.7
[New Thread 80240a800 (LWP 109042/syslog-ng)]
[New Thread 802409c00 (LWP 109041/syslog-ng)]
[New Thread 802409800 (LWP 109040/syslog-ng)]
[New Thread 802407400 (LWP 107992/syslog-ng)]
(gdb) bt
#0  0x0000000801f9938c in thr_kill () from /lib/libc.so.7
#1  0x000000080203b99b in abort () from /lib/libc.so.7
#2  0x00000008011223f4 in g_assertion_message ()
   from /usr/local/lib/libglib-2.0.so.0
#3  0x00000008011229c2 in g_assertion_message_expr ()
   from /usr/local/lib/libglib-2.0.so.0
#4  0x000000080084cc87 in log_msg_unref (self=Variable "self" is not
available.
) at logmsg.c:1303
#5  0x0000000803d0836d in afamqp_worker_thread (arg=Variable "arg" is not
available.
) at afamqp.c:479
#6  0x000000080085b6de in worker_thread_func (st=0x802421fd0) at misc.c:580
#7  0x0000000801124a65 in g_thread_proxy ()
   from /usr/local/lib/libglib-2.0.so.0
#8  0x0000000801d220a4 in pthread_getprio () from /lib/libthr.so.3
#9  0x0000000000000000 in ?? ()
Cannot access memory at address 0x7fffffbfe000
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