[asterisk-bugs] [JIRA] (ASTERISK-25863) Occasionally Asterisk crashes when a iax2 channels connects

[Eyal Hasson (JIRA)]

Eyal Hasson created ASTERISK-25863:
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             Summary: Occasionally Asterisk crashes when a iax2 channels connects
                 Key: ASTERISK-25863
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25863
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/Channels
    Affects Versions: 13.7.2
         Environment: FreePBX 12.0.76.2 distro
            Reporter: Eyal Hasson


We am using FreePBX 12.0.76.2 with asterisk 13.7.2, with a big ARI implementation (1000 lines). We occasionally have asterisk crashes (every few days), and looking into the core dump, we see:

Program terminated with signal 11, Segmentation fault.

0 0x00000000005183be in ast_format_get_codec ()
Missing separate debuginfos, use: debuginfo-install asterisk13-core-13.7.2-1.shmz65.1.94.x86_64
^[[?1034h(gdb) bt

0 0x00000000005183be in ast_format_get_codec ()
1 0x00000000004d7559 in ast_codec_samples_count ()
2 0x00007ff135d0139b in ?? () from /usr/lib64/asterisk/modules/chan_iax2.so
3 0x00007ff135d017fc in ?? () from /usr/lib64/asterisk/modules/chan_iax2.so
4 0x00007ff135d01fc2 in ?? () from /usr/lib64/asterisk/modules/chan_iax2.so

Looking in the full log at that time we found:

[2016-03-20 08:30:05] VERBOSE[2897] chan_iax2.c: Accepting AUTHENTICATED call from 213.151.45.44:55001:

requested format = alaw,
requested prefs = (),
actual format = ulaw,
host prefs = (ulaw|alaw|siren14|siren7|g722|slin16|slin|g726|g726aal2|adpcm|gsm|ilbc|speex|lpc10|g729|g723),
priority = mine
[2016-03-20 08:30:05] VERBOSE[57923][C-0000396d] pbx.c: Executing [1001 at from-internal:1] Gosub("IAX2/9105-2459", "StartKhlListen,start,1(from-internal,1001)") in new stack
[2016-03-20 08:30:05] VERBOSE[57923][C-0000396d] pbx.c: Executing [start at StartKhlListen:1] NoOp("IAX2/9105-2459", "entering from-internal / 1001 from 9105") in new stack
[2016-03-20 08:30:05] VERBOSE[57923][C-0000396d] pbx.c: Executing [start at StartKhlListen:2] Set("IAX2/9105-2459", "CONTEXT2=from-internal") in new stack
[2016-03-20 08:30:05] VERBOSE[57923][C-0000396d] pbx.c: Executing [start at StartKhlListen:3] Set("IAX2/9105-2459", "EXTEN2=1001") in new stack
[2016-03-20 08:30:05] VERBOSE[57923][C-0000396d] pbx.c: Executing [start at StartKhlListen:4] Set("IAX2/9105-2459", "AGC(rx)=32000") in new stack
[2016-03-20 08:30:05] VERBOSE[57923][C-0000396d] pbx.c: Executing [start at StartKhlListen:5] Set("IAX2/9105-2459", "AGC(tx)=32000") in new stack
[2016-03-20 08:30:05] VERBOSE[57923][C-0000396d] pbx.c: Executing [start at StartKhlListen:6] Set("IAX2/9105-2459", "DENOISE(rx)=on") in new stack
[2016-03-20 08:30:05] VERBOSE[57923][C-0000396d] pbx.c: Executing [start at StartKhlListen:7] Set("IAX2/9105-2459", "DENOISE(tx)=on") in new stack
[2016-03-20 08:30:05] VERBOSE[57923][C-0000396d] pbx.c: Executing [start at StartKhlListen:8] Stasis("IAX2/9105-2459", "KhlSystemApp") in new stack

Thanks,
Eyal Hasson



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