[asterisk-bugs] [JIRA] (ASTERISK-24590) Segmentation fault in get_multiple_fields_as_var_list

Matt Jordan (JIRA) noreply at issues.asterisk.org
Tue Jan 27 12:49:35 CST 2015


     [ https://issues.asterisk.org/jira/browse/ASTERISK-24590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Jordan updated ASTERISK-24590:
-----------------------------------

    Assignee:     (was: Matt Jordan)

> Segmentation fault in get_multiple_fields_as_var_list 
> ------------------------------------------------------
>
>                 Key: ASTERISK-24590
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24590
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/Bridging, Resources/res_stasis
>    Affects Versions: 12.7.1
>         Environment: uname -a
> Linux astratel 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
>            Reporter: Anton Evzhakov
>            Severity: Critical
>         Attachments: backtrace.txt, lastmoment.log
>
>
> Sometimes asterisk crashes with SIGSEGV while closing bridge connected to stasis.
> {code:title=backtrace.txt|borderStyle=solid}
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x00000000005babc1 in get_multiple_fields_as_var_list (object=0x0, object_field=0x1) at sorcery.c:1123
> 1123		if (object_field->multiple_handler(object, &tmp)) {
> #0  0x00000000005babc1 in get_multiple_fields_as_var_list (object=0x0, object_field=0x1) at sorcery.c:1123
>         tmp = 0x0
> #1  0x00000000005bac27 in ast_sorcery_objectset_create2 (sorcery=0x7f8a0001dd68, object=0x7f8a00005858, flags=AST_HANDLER_PREFER_STRING) at sorcery.c:1133
>         details = 0x0
>         object_type = 0x991
>         i = {c = 0x7f89e8767dd0, last_node = 0x4828c0 <bridge_channel_wait+108>, complete = 134349144, flags = 32653}
>         object_field = 0x7f8a4003fcd8
>         head = 0x7f8c340382b8
>         tail = 0x7f89e8767d70
> #2  0x00000000005c5f38 in cache_udpate (cached_entry=0x5bac27 <ast_sorcery_objectset_create2+28>, eid=0x7f89e8767d00, new_snapshot=0x0) at stasis_cache.c:451
>         new_max = 140230682336616
>         new_elems = 0x991
>         res = -394887856
>         old_snapshot = 0x5c5f38 <cache_udpate+440>
>         is_remote = 32649
>         idx = 0
>         __PRETTY_FUNCTION__ = "cache_udpate"
> #3  0x00000000004c9acb in ast_channel_state_set (chan=0x7f8a4003fcd8, value=AST_STATE_DOWN) at channel_internal_api.c:952
> No locals.
> #4  0x00000000004828c0 in bridge_channel_wait (bridge_channel=0x7f89e8768700) at bridge_channel.c:2282
>         __p = 0
>         __x = 0
>         ms = 0
>         outfd = 0
>         chan = 0x0
>         __PRETTY_FUNCTION__ = "bridge_channel_wait"
> #5  0x000000000046aa04 in bridge_reconfigured (bridge=0x7f8d08020158, colp_update=32649) at bridge.c:1485
> No locals.
> #6  0x00000000005e7705 in udptl_rx_packet (s=0x7f8a4003fcd8, buf=0x0, len=0) at udptl.c:504
>         j = 0
>         l = 32649
>         x = 32
>         stat1 = 0
>         stat2 = 0
>         i = 32653
>         ptr = 4729024
>         seq_no = 0
>         ifp = 0x0
>         data = 0x0
>         ifp_len = 0
>         repaired = {534, -1, 134573088, 32653, 0, 0, 4514738, 0, -394885376, 32649, 0, 0, 4630977, 0, 134349144, 32653}
>         bufs = {0x7f8d080174b0 "bridge_channel_depart_thread started at [ 1713] bridge.c ast_bridge_impart()", 0x51954a <format_cap_init+120> "\340H\211P\b\353\fH\213E\330H\307@\b", 0x7f89e8768700 "", 0x9f608fe682867fd9 <error: Cannot access memory at address 0x9f608fe682867fd9>, 0x0, 0x0, 0x7f89e87689c0 "\300I\333\350\211\177", 0x7f89e8768700 "", 0x9f608fe683067fd9 <error: Cannot access memory at address 0x9f608fe683067fd9>, 0x60735fb6924e7fd9 <error: Cannot access memory at address 0x60735fb6924e7fd9>, 0x7f8d00000000 " ", 0x7f89e8767ef0 "", 0x0, 0x7f8d175f2ba2 <error: Cannot access memory at address 0x7f8d175f2ba2>, 0x0}
>         lengths = {3900079616, 32649, 4631044, 0, 3900079824, 32649, 134349144, 32653, 0, 0, 134349144, 32653, 3900079824, 32649, 6190853}
>         span = 564
>         entries = -394885376
>         ifp_no = 1073751266
>         __PRETTY_FUNCTION__ = "udptl_rx_packet"
> #7  0x00007f8d15dd1182 in ?? ()
> No symbol table info available.
> #8  0x0000000000000000 in ?? ()
> No symbol table info available.
> {code}
> {quote}
> Thread 1 (LWP 7785):
> #0  0x00000000005babc1 in get_multiple_fields_as_var_list (object=0x0, object_field=0x1) at sorcery.c:1123
> #1  0x00000000005bac27 in ast_sorcery_objectset_create2 (sorcery=0x7f8a0001dd68, object=0x7f8a00005858, flags=AST_HANDLER_PREFER_STRING) at sorcery.c:1133
> #2  0x00000000005c5f38 in cache_udpate (cached_entry=0x5bac27 <ast_sorcery_objectset_create2+28>, eid=0x7f89e8767d00, new_snapshot=0x0) at stasis_cache.c:451
> #3  0x00000000004c9acb in ast_channel_state_set (chan=0x7f8a4003fcd8, value=AST_STATE_DOWN) at channel_internal_api.c:952
> #4  0x00000000004828c0 in bridge_channel_wait (bridge_channel=0x7f89e8768700) at bridge_channel.c:2282
> #5  0x000000000046aa04 in bridge_reconfigured (bridge=0x7f8d08020158, colp_update=32649) at bridge.c:1485
> #6  0x00000000005e7705 in udptl_rx_packet (s=0x7f8a4003fcd8, buf=0x0, len=0) at udptl.c:504
> #7  0x00007f8d15dd1182 in ?? ()
> #8  0x0000000000000000 in ?? ()
> {quote}



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