[Freeswitch-users] Buffer Overflow Issue

Mon Nov 20 20:49:21 UTC 2017

its specific to enum.  You can always override the version on your system.

On Mon, Nov 20, 2017 at 2:45 PM, Wesley Akio <wesleyakio at tuntscorp.com>
wrote:

> Thanks for the reply Anthony, found the FS Jira and LDNS bug reports...
>
> Is this enum specific or does Sofia and other parts of FS use ldns as well?
>
> I'm on CentOS so not sure If I'll be able to update.
>
>
> On Mon, Nov 20, 2017 at 5:52 PM Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> yes, your version ldns has a bug where it uses select for sockets and you
>> have more than 1024 sockets causing a buffer overflow.
>> You need to get on a version of ldns that does not have this bug.
>>
>>
>> On Mon, Nov 20, 2017 at 1:37 PM, Wesley Akio <wesleyakio at tuntscorp.com>
>> wrote:
>>
>>> Hey guys, have any of you ever seen this?
>>>
>>> If not I'll file a Jira.
>>>
>>> Nov 17 14:03:33 fsc2c9 freeswitch: *** buffer overflow detected ***:
>>> /usr/bin/freeswitch terminated
>>> Nov 17 14:03:33 fsc2c9 freeswitch: ======= Backtrace: =========
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libc.so.6(__
>>> fortify_fail+0x37)[0x7fa91f207d87]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libc.so.6(+
>>> 0x10df40)[0x7fa91f205f40]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libc.so.6(+
>>> 0x10fcf7)[0x7fa91f207cf7]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libldns.so.1(+
>>> 0x2f095)[0x7fa9198cf095]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libldns.so.1(ldns_
>>> udp_send+0x4f)[0x7fa9198cf57f]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libldns.so.1(ldns_
>>> send_buffer+0x29a)[0x7fa9198cfd1a]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libldns.so.1(ldns_
>>> send+0x89)[0x7fa9198d0029]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libldns.so.1(ldns_
>>> resolver_send_pkt+0x3d)[0x7fa9198d4e9d]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libldns.so.1(ldns_
>>> resolver_send+0x132)[0x7fa9198d52c2]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libldns.so.1(ldns_
>>> resolver_query+0xc0)[0x7fa9198d5400]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/freeswitch/mod/mod_
>>> enum.so(+0x33d0)[0x7fa919afc3d0]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/freeswitch/mod/mod_
>>> enum.so(+0x361a)[0x7fa919afc61a]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/freeswitch/mod/mod_
>>> enum.so(+0x3817)[0x7fa919afc817]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libfreeswitch.so.1(
>>> switch_core_session_run+0x242f)[0x7fa9218d5dbf]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libfreeswitch.so.1(
>>> +0x8933e)[0x7fa9218ce33e]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libfreeswitch.so.1(
>>> +0x84d83)[0x7fa9218c9d83]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libfreeswitch.so.1(
>>> +0x34b7c0)[0x7fa921b907c0]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libpthread.so.0(+
>>> 0x7e25)[0x7fa91fb95e25]
>>> Nov 17 14:03:33 fsc2c9 freeswitch: /usr/lib64/libc.so.6(clone+
>>> 0x6d)[0x7fa91f1f034d]
>>> --
>>> <http://www.tuntscorp.com/>
>>>   *Wesley Akio*
>>>
>>>   Travessa da Lapa 96 - Sala 24
>>>
>>>   Centro – Curitiba – 80010-190
>>>
>>>   :  +55 (41) 99950-0033
>>>
>>>   :  +1 (305) 842-7095
>>>
>>>   : wesley_akio_
>>>
>>> ____________________________________________________________
>>> _____________
>>> Professional FreeSWITCH Consulting Services:
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>>>
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>>>
>>
>>
>>
>> --
>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>
>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>> http://twitter.com/FreeSWITCH
>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>> <http://freeswitch.org/g+>*
>>
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>>
>> https://www.youtube.com/watch?v=oAxXgyx5jUw
>> https://www.youtube.com/watch?v=9XXgW34t40s
>> https://www.youtube.com/watch?v=NLaDpGQuZDA
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
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>> http://www.freeswitch.org
>
> --
> <http://www.tuntscorp.com/>
>   *Wesley Akio*
>
>   Travessa da Lapa 96 - Sala 24
>
>   Centro – Curitiba – 80010-190
>
>   :  +55 (41) 99950-0033
>
>   :  +1 (305) 842-7095
>
>   : wesley_akio_
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>

-- 
Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬

☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
http://twitter.com/FreeSWITCH
☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
<http://freeswitch.org/g+>*

ClueCon Weekly Development Call
☎ sip:888 at conference.freeswitch.org  ☎ +19193869900

https://www.youtube.com/watch?v=oAxXgyx5jUw
https://www.youtube.com/watch?v=9XXgW34t40s
https://www.youtube.com/watch?v=NLaDpGQuZDA
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