[asterisk-bugs] [JIRA] (ASTERISK-27205) res_rtp_asterisk: Asterisk crash with netlink error

[Joshua Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=240246#comment-240246 ] 

Joshua Colp commented on ASTERISK-27205:
----------------------------------------

If there are any updates or someone needs additional information it will be posted here. The issue is in the "Open" state so it has been accepted.

> res_rtp_asterisk: Asterisk crash with netlink error 
> ----------------------------------------------------
>
>                 Key: ASTERISK-27205
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27205
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip, Resources/res_rtp_asterisk
>    Affects Versions: 13.15.0, 13.17.0
>         Environment: Linux Ubuntu kernel 4.4.0-83 with glibc 2.23 and asterisk using internal PJSIP 
>            Reporter: Abhay Gupta
>            Assignee: Unassigned
>         Attachments: 14_50.txt, 17_08.txt, 24_08_12_00_bt_log, bt.txt, filename.txt, full_100000, gdb_18aug.txt, logs.txt, log.txt, Screen Shot 2017-09-12 at 12.34.05 PM.png, Screen Shot 2017-09-12 at 12.36.06 PM.png
>
>
> There is segmentation fault that causes crash and bt is attached , it seems that Nelink error is the cause and can be seen from this changelog of glibc 
> https://abi-laboratory.pro/tracker/changelog/glibc/2.23/log.html
> getaddrinfo now detects certain invalid responses on an internal netlink
>   socket.  If such responses are received, an affected process will
>   terminate with an error message of "Unexpected error <number> on netlink
>   descriptor <number>" or "Unexpected netlink response of size <number> on
>   descriptor <number>".  The most likely cause for these errors is a
>   multi-threaded application which erroneously closes and reuses the netlink
>   file descriptor while it is used by getaddrinfo.
> this signal is not captured causing it to crash .



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