[Asterisk-Dev] Segfault

Tamas jalsot at gmail.com
Mon Aug 29 14:12:04 MST 2005 

Hello,

did you get the similar core dump? Could you show the gdb output?

Anybody with an idea?
For me it seems that there is something wrong with

chan_local.c:403
	cur = cur->next;
Maybe cur->next is pointing to an invalied area?

Tamas

Matt wrote:

>I got one as well after running for 3 days.  Only mine said:
>
>DIsconnected from Asterisk server
>/usr/sbin/safe_aserisk: line 83: 1092 Segmen tation fault (core
>dumped) asterisk ${CLIARGS} ${ASTARGS} 1>&/dev/${TTY} </dev/${TTY}
>Asterisk ended with exit status 139
>Asterisk exited on signal 11.
>Automatically restarting Asterisk.
>
>On 8/28/05, Tamas Jalsovszky <jalsot at gmail.com> wrote:
>  
>
>>Hello,
>>
>>I got a segmentation fault with:
>>Asterisk CVS-NHEAD-08/17/05-20:51:51
>>running on Linux-2.6.12.3.
>>
>>The system is used for making outbound IVR (with pbx_spool dialing Local
>>channel which sets CLIR and than dials out to the given number, after
>>connect I use FastAGI to run the IVR and have the hangup extension to
>>call another fastagi script for handling some info).
>>
>>The gdb output:
>>GNU gdb 6.3-debian
>>Copyright 2004 Free Software Foundation, Inc.
>>GDB is free software, covered by the GNU General Public License, and you are
>>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 "i386-linux"...Using host libthread_db
>>library "/lib/tls/i686/cmov/libthread_db.so.1".
>>
>>Core was generated by `asterisk -U icall -G icall -vvvg -c'.
>>Program terminated with signal 11, Segmentation fault.
>>
>>warning: current_sos: Can't read pathname for load map: Input/output error
>>
>>Reading symbols from /lib/libdl.so.2...done.
>>Loaded symbols for /lib/libdl.so.2
>>Reading symbols from /lib/libpthread.so.0...done.
>>Loaded symbols for /lib/libpthread.so.0
>>Reading symbols from /lib/libncurses.so.5...done.
>>Loaded symbols for /lib/libncurses.so.5
>>Reading symbols from /lib/libm.so.6...done.
>>Loaded symbols for /lib/libm.so.6
>>Reading symbols from /lib/libresolv.so.2...done.
>>Loaded symbols for /lib/libresolv.so.2
>>Reading symbols from /usr/lib/i686/cmov/libssl.so.0.9.7...done.
>>Loaded symbols for /usr/lib/i686/cmov/libssl.so.0.9.7
>>Reading symbols from /lib/libc.so.6...done.
>>Loaded symbols for /lib/libc.so.6
>>Reading symbols from /lib/ld-linux.so.2...done.
>>Loaded symbols for /lib/ld-linux.so.2
>>Reading symbols from /usr/lib/i686/cmov/libcrypto.so.0.9.7...done.
>>Loaded symbols for /usr/lib/i686/cmov/libcrypto.so.0.9.7
>>Reading symbols from /lib/libnss_compat.so.2...done.
>>Loaded symbols for /lib/libnss_compat.so.2
>>Reading symbols from /lib/libnsl.so.1...done.
>>Loaded symbols for /lib/libnsl.so.1
>>Reading symbols from /lib/libnss_nis.so.2...done.
>>Loaded symbols for /lib/libnss_nis.so.2
>>Reading symbols from /lib/libnss_files.so.2...done.
>>Loaded symbols for /lib/libnss_files.so.2
>>Reading symbols from /usr/lib/asterisk/modules/res_musiconhold.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/res_musiconhold.so
>>Reading symbols from /usr/lib/asterisk/modules/res_adsi.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/res_adsi.so
>>Reading symbols from /usr/lib/asterisk/modules/res_features.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/res_features.so
>>Reading symbols from /usr/lib/asterisk/modules/res_crypto.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/res_crypto.so
>>Reading symbols from /usr/lib/asterisk/modules/res_indications.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/res_indications.so
>>Reading symbols from /usr/lib/asterisk/modules/res_monitor.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/res_monitor.so
>>Reading symbols from /usr/lib/asterisk/modules/res_agi.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/res_agi.so
>>Reading symbols from /usr/lib/asterisk/modules/chan_agent.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/chan_agent.so
>>Reading symbols from /usr/lib/asterisk/modules/chan_iax2.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/chan_iax2.so
>>Reading symbols from /usr/lib/asterisk/modules/chan_local.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/chan_local.so
>>Reading symbols from /usr/lib/asterisk/modules/chan_features.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/chan_features.so
>>Reading symbols from /usr/lib/asterisk/modules/chan_zap.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/chan_zap.so
>>Reading symbols from /usr/lib/libpri.so.1...done.
>>Loaded symbols for /usr/lib/libpri.so.1
>>Reading symbols from /usr/lib/libtonezone.so.1...done.
>>Loaded symbols for /usr/lib/libtonezone.so.1
>>Reading symbols from /usr/lib/asterisk/modules/pbx_config.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/pbx_config.so
>>Reading symbols from /usr/lib/asterisk/modules/pbx_spool.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/pbx_spool.so
>>Reading symbols from /usr/lib/asterisk/modules/pbx_loopback.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/pbx_loopback.so
>>Reading symbols from /usr/lib/asterisk/modules/pbx_realtime.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/pbx_realtime.so
>>Reading symbols from /usr/lib/asterisk/modules/pbx_ael.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/pbx_ael.so
>>Reading symbols from /usr/lib/asterisk/modules/pbx_functions.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/pbx_functions.so
>>Reading symbols from /usr/lib/asterisk/modules/app_dial.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_dial.so
>>Reading symbols from /usr/lib/asterisk/modules/app_playback.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_playback.so
>>Reading symbols from /usr/lib/asterisk/modules/app_voicemail.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_voicemail.so
>>Reading symbols from /usr/lib/asterisk/modules/app_directory.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_directory.so
>>Reading symbols from /usr/lib/asterisk/modules/app_mp3.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_mp3.so
>>Reading symbols from /usr/lib/asterisk/modules/app_system.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_system.so
>>Reading symbols from /usr/lib/asterisk/modules/app_echo.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_echo.so
>>Reading symbols from /usr/lib/asterisk/modules/app_record.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_record.so
>>Reading symbols from /usr/lib/asterisk/modules/app_url.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_url.so
>>Reading symbols from /usr/lib/asterisk/modules/app_disa.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_disa.so
>>Reading symbols from /usr/lib/asterisk/modules/app_adsiprog.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_adsiprog.so
>>Reading symbols from /usr/lib/asterisk/modules/app_getcpeid.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_getcpeid.so
>>Reading symbols from /usr/lib/asterisk/modules/app_milliwatt.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_milliwatt.so
>>Reading symbols from /usr/lib/asterisk/modules/app_zapateller.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_zapateller.so
>>Reading symbols from /usr/lib/asterisk/modules/app_setcallerid.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_setcallerid.so
>>Reading symbols from /usr/lib/asterisk/modules/app_festival.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_festival.so
>>Reading symbols from /usr/lib/asterisk/modules/app_queue.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_queue.so
>>Reading symbols from /usr/lib/asterisk/modules/app_senddtmf.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_senddtmf.so
>>Reading symbols from
>>/usr/lib/asterisk/modules/app_parkandannounce.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_parkandannounce.so
>>Reading symbols from /usr/lib/asterisk/modules/app_striplsd.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_striplsd.so
>>Reading symbols from /usr/lib/asterisk/modules/app_setcidname.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_setcidname.so
>>Reading symbols from /usr/lib/asterisk/modules/app_lookupcidname.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_lookupcidname.so
>>Reading symbols from /usr/lib/asterisk/modules/app_substring.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_substring.so
>>Reading symbols from /usr/lib/asterisk/modules/app_macro.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_macro.so
>>Reading symbols from /usr/lib/asterisk/modules/app_authenticate.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_authenticate.so
>>Reading symbols from /usr/lib/asterisk/modules/app_softhangup.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_softhangup.so
>>Reading symbols from
>>/usr/lib/asterisk/modules/app_lookupblacklist.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_lookupblacklist.so
>>Reading symbols from /usr/lib/asterisk/modules/app_waitforring.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_waitforring.so
>>Reading symbols from /usr/lib/asterisk/modules/app_privacy.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_privacy.so
>>Reading symbols from /usr/lib/asterisk/modules/app_db.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_db.so
>>Reading symbols from /usr/lib/asterisk/modules/app_chanisavail.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_chanisavail.so
>>Reading symbols from /usr/lib/asterisk/modules/app_enumlookup.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_enumlookup.so
>>Reading symbols from /usr/lib/asterisk/modules/app_transfer.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_transfer.so
>>Reading symbols from /usr/lib/asterisk/modules/app_setcidnum.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_setcidnum.so
>>Reading symbols from /usr/lib/asterisk/modules/app_cdr.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_cdr.so
>>Reading symbols from
>>/usr/lib/asterisk/modules/app_hasnewvoicemail.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_hasnewvoicemail.so
>>Reading symbols from /usr/lib/asterisk/modules/app_sayunixtime.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_sayunixtime.so
>>Reading symbols from /usr/lib/asterisk/modules/app_cut.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_cut.so
>>Reading symbols from /usr/lib/asterisk/modules/app_read.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_read.so
>>Reading symbols from
>>/usr/lib/asterisk/modules/app_setcdruserfield.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_setcdruserfield.so
>>Reading symbols from /usr/lib/asterisk/modules/app_random.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_random.so
>>Reading symbols from /usr/lib/asterisk/modules/app_eval.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_eval.so
>>Reading symbols from /usr/lib/asterisk/modules/app_nbscat.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_nbscat.so
>>Reading symbols from /usr/lib/asterisk/modules/app_sendtext.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_sendtext.so
>>Reading symbols from /usr/lib/asterisk/modules/app_exec.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_exec.so
>>Reading symbols from /usr/lib/asterisk/modules/app_groupcount.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_groupcount.so
>>Reading symbols from /usr/lib/asterisk/modules/app_txtcidname.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_txtcidname.so
>>Reading symbols from
>>/usr/lib/asterisk/modules/app_controlplayback.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_controlplayback.so
>>Reading symbols from /usr/lib/asterisk/modules/app_talkdetect.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_talkdetect.so
>>Reading symbols from /usr/lib/asterisk/modules/app_alarmreceiver.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_alarmreceiver.so
>>Reading symbols from /usr/lib/asterisk/modules/app_userevent.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_userevent.so
>>Reading symbols from /usr/lib/asterisk/modules/app_verbose.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_verbose.so
>>Reading symbols from /usr/lib/asterisk/modules/app_test.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_test.so
>>Reading symbols from /usr/lib/asterisk/modules/app_forkcdr.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_forkcdr.so
>>Reading symbols from /usr/lib/asterisk/modules/app_math.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_math.so
>>Reading symbols from /usr/lib/asterisk/modules/app_realtime.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_realtime.so
>>Reading symbols from /usr/lib/asterisk/modules/app_dumpchan.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_dumpchan.so
>>Reading symbols from /usr/lib/asterisk/modules/app_waitforsilence.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_waitforsilence.so
>>Reading symbols from /usr/lib/asterisk/modules/app_while.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_while.so
>>Reading symbols from /usr/lib/asterisk/modules/app_setrdnis.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_setrdnis.so
>>Reading symbols from /usr/lib/asterisk/modules/app_md5.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_md5.so
>>Reading symbols from /usr/lib/asterisk/modules/app_readfile.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_readfile.so
>>Reading symbols from /usr/lib/asterisk/modules/app_chanspy.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_chanspy.so
>>Reading symbols from
>>/usr/lib/asterisk/modules/app_settransfercapability.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_settransfercapability.so
>>Reading symbols from /usr/lib/asterisk/modules/app_dictate.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_dictate.so
>>Reading symbols from /usr/lib/asterisk/modules/app_zapras.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_zapras.so
>>Reading symbols from /usr/lib/asterisk/modules/app_meetme.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_meetme.so
>>Reading symbols from /usr/lib/asterisk/modules/app_flash.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_flash.so
>>Reading symbols from /usr/lib/asterisk/modules/app_zapbarge.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_zapbarge.so
>>Reading symbols from /usr/lib/asterisk/modules/app_zapscan.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_zapscan.so
>>Reading symbols from /usr/lib/asterisk/modules/codec_ilbc.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/codec_ilbc.so
>>Reading symbols from /usr/lib/asterisk/modules/codec_gsm.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/codec_gsm.so
>>Reading symbols from /usr/lib/asterisk/modules/codec_adpcm.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/codec_adpcm.so
>>Reading symbols from /usr/lib/asterisk/modules/codec_ulaw.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/codec_ulaw.so
>>Reading symbols from /usr/lib/asterisk/modules/codec_alaw.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/codec_alaw.so
>>Reading symbols from /usr/lib/asterisk/modules/codec_a_mu.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/codec_a_mu.so
>>Reading symbols from /usr/lib/asterisk/modules/codec_g726.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/codec_g726.so
>>Reading symbols from /usr/lib/asterisk/modules/format_gsm.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_gsm.so
>>Reading symbols from /usr/lib/asterisk/modules/format_wav.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_wav.so
>>Reading symbols from /usr/lib/asterisk/modules/format_wav_gsm.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_wav_gsm.so
>>Reading symbols from /usr/lib/asterisk/modules/format_vox.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_vox.so
>>Reading symbols from /usr/lib/asterisk/modules/format_pcm.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_pcm.so
>>Reading symbols from /usr/lib/asterisk/modules/format_g729.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_g729.so
>>Reading symbols from /usr/lib/asterisk/modules/format_pcm_alaw.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_pcm_alaw.so
>>Reading symbols from /usr/lib/asterisk/modules/format_g726.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_g726.so
>>Reading symbols from /usr/lib/asterisk/modules/format_ilbc.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_ilbc.so
>>Reading symbols from /usr/lib/asterisk/modules/format_sln.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_sln.so
>>Reading symbols from /usr/lib/asterisk/modules/format_au.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_au.so
>>Reading symbols from /usr/lib/asterisk/modules/format_g723.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/format_g723.so
>>Reading symbols from /usr/lib/asterisk/modules/cdr_manager.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/cdr_manager.so
>>Reading symbols from /usr/lib/asterisk/modules/cdr_custom.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/cdr_custom.so
>>Reading symbols from /usr/lib/asterisk/modules/func_callerid.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/func_callerid.so
>>Reading symbols from /usr/lib/asterisk/modules/cdr_sqlite.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/cdr_sqlite.so
>>Reading symbols from /usr/lib/libsqlite.so.0...done.
>>Loaded symbols for /usr/lib/libsqlite.so.0
>>Reading symbols from /usr/lib/asterisk/modules/app_externalivr.so...done.
>>Loaded symbols for /usr/lib/asterisk/modules/app_externalivr.so
>>#0  local_hangup (ast=0x81fd8e0) at chan_local.c:403
>>403                             cur = cur->next;
>>(gdb) bt full
>>#0  local_hangup (ast=0x81fd8e0) at chan_local.c:403
>>        p = (struct local_pvt *) 0x81fdd80
>>        isoutbound = 1080412952
>>        f = {frametype = 4, subclass = 1, datalen = 0, samples = 0,
>>mallocd = 0, offset = 0, src = 0x0, data = 0x0,
>>  delivery = {tv_sec = 0, tv_usec = 0}, prev = 0x0, next = 0x0}
>>        cur = (struct local_pvt *) 0xe0
>>        prev = (struct local_pvt *) 0xe0
>>        ochan = (struct ast_channel *) 0x0
>>        glaredetect = 0
>>#1  0x0805f31d in ast_hangup (chan=0x81fd8e0) at channel.c:1025
>>        res = 0
>>#2  0x0808c09f in __ast_pbx_run (c=0x81fd8e0) at pbx.c:2386
>>        digit = -1
>>        exten = '\0' <repeats 255 times>
>>        pos = 0
>>        waittime = 0
>>        res = 0
>>#3  0x0808c9f8 in pbx_thread (data=0x81fd8e0) at pbx.c:2436
>>No locals.
>>#4  0x40025bbf in pthread_start_thread () from /lib/libpthread.so.0
>>No symbol table info available.
>>#5  0x401e295a in clone () from /lib/libc.so.6
>>No symbol table info available.
>>(gdb) thread apply all bt
>>
>>Thread 103 (process 2008):
>>#0  0x00000246 in ?? ()
>>Cannot access memory at address 0x0
>>403                             cur = cur->next;
>>
>>
>>Any hint?
>>
>>Thanks in advance,
>>    Tamas
>>    
>>

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