26 May
2009
26 May
'09
5:20 a.m.
On Dienstag, 26. Mai 2009, Christian Koch wrote:
> Can you configure the kamailio server that it
generates a core file?
> Then take a look to the backtrace where the invalid memory access was
> done, to verify if its really crashed in the core function, or perhaps
> some other parts has a problem here. Further informations:
> http://www.kamailio.org/dokuwiki/doku.php/troubleshooting:corefiles
Hi Christian,
We generated a core file, the output of the backtrace
is:
(gdb) bt
#0 0x00b237a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1 0x00b64825 in raise () from /lib/tls/libc.so.6
#2 0x00b66289 in abort () from /lib/tls/libc.so.6
#3 0x080c4436 in qm_free (qm=0x81677e0, p=0x0, file=0x811728e
"proxy.c", func=0x811724e "hostent_cpy", line=187) at
mem/q_malloc.c:444
#4 0x0807e329 in hostent_cpy (dst=0x8266e28, src=0x8146134) at proxy.c:187
[..]
Thanks for the backtrace, you could try the attached patch (for 1.5.x) if it
solves the crash for you. The additional free after the loop looks indeed a
bit suspicious.
So, there may be an error in proxy.c, but perhaps the
reason for our
problem is in modules/htable/ht_var.c in pv_parse_ht_name(), where the
variable hpv is not freed?
Any comments on pv_parse_ht_name() are greatly appreciated. We could try
to fix this, but we're not sure about the sideeffects.
I also suspect the reason for the crash lays in this area. I did not wrote
that module, thus i asked Daniel.
Regards,
Henning