[asterisk-bugs] [JIRA] (ASTERISK-26373) channel: Crash when appending cap during dialing to a channel, when built with debugging compiler options

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=232387#comment-232387 ] 

Rusty Newton commented on ASTERISK-26373:
-----------------------------------------

Thanks. That information is really useful. If you can, go ahead and attach all your asterisk configs (any that are changed from the samples or that are not blank) and simply sanitize any private information.

> channel: Crash when appending cap during dialing to a channel, when built with debugging compiler options
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-26373
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26373
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/Channels
>    Affects Versions: 13.11.2
>         Environment: Virtual Machine on ESXi6 (VM Version 11, 4vCPU, 16Gb RAM), OS: CentOS release 6.8 (Final) x86_84
>            Reporter: Denis S.Davydov
>            Assignee: Unassigned
>         Attachments: 20160913_1457.log, full_20160913_1457.txt, mmlog_20160913
>
>
> Sep 13 14:57:23 pbx kernel: asterisk[18303] general protection ip:526f83 sp:7fa6e1854340 error:0 in asterisk[400000+370000]
> Segmentation fault in ast_format_cap_append_from_cap.
> {code}
> Program terminated with signal 11, Segmentation fault.
> #0  0x0000000000526f83 in ast_format_cap_append_from_cap (dst=0x7fa731384ab0, src=0x7fa6d5098350, type=AST_MEDIA_TYPE_UNKNOWN) at format_cap.c:308
> 308			struct format_cap_framed *framed = AST_VECTOR_GET(&src->preference_order, idx);
> #0  0x0000000000526f83 in ast_format_cap_append_from_cap (dst=0x7fa731384ab0, src=0x7fa6d5098350, type=AST_MEDIA_TYPE_UNKNOWN) at format_cap.c:308
>         __idx = 0
>         framed = 0x7fa6d512f190
>         idx = 0
>         res = 0
> #1  0x00000000004c2e53 in ast_request (type=0x7fa6e1854580 "SIP", request_cap=0x7fa6d5098350, assignedids=0x0, requestor=0x7fa6d54b3068, addr=0x7fa6e1854584 "3112", cause=0x7fa6e1854680) at channel.c:6068
>         tmp_cap = 0x7fa7313bf700
>         tmp_fmt = 0xbc67d0
>         best_audio_fmt = 0xbc67d0
>         joint_cap = 0x7fa731384ab0
>         chan = 0x17a62c0
>         c = 0x7fa6e1855fc0
>         res = 0
>         foo = 32679
>         __PRETTY_FUNCTION__ = "ast_request"
> {code}
> backtrace.txt and full.txt are in attachment.
> Compiled flags on my Asterisk-PBX is DONT_OPTIMIZE, COMPILE_DOUBLE, LOADABLE_MODULES, BETTER_BACKTRACES, MALLOC_DEBUG, BULD_NATIVE. Mmlog useless, there's nothing.



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