[asterisk-bugs] [JIRA] (ASTERISK-27170) pjproject: Unsafe usage of gethostbyname causing memory corruption

[nappsoft (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=238345#comment-238345 ] 

nappsoft commented on ASTERISK-27170:
-------------------------------------

Still no crash since applying my patch (after 3.5 workdays) on the system which crashed at least once every second day during the last few weeks. So the source of the problem seems to have been identified and I think that you should either take my patch or work on a cleaner solution. I'll also write a mail to the pjsip mailing list.

> pjproject: Unsafe usage of gethostbyname causing memory corruption
> ------------------------------------------------------------------
>
>                 Key: ASTERISK-27170
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27170
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: PBX/General
>    Affects Versions: 13.16.0, 13.17.0
>         Environment: 64bit linux musl 1.1.16-git
>            Reporter: nappsoft
>            Assignee: Unassigned
>         Attachments: backtrace4.txt, crashlog.txt, gethostbyname_r.diff, trace_cel_crash.txt, trace.txt, valgrind2.txt, valgrind4.txt, vgcore.24994-brief.txt, vgcore.24994-full.txt, vgcore.24994-locks.txt, vgcore.24994-thread1.txt
>
>
> From time to time asterisk crashes when a component is trying to allocate memory. According to the sip traces this seem to happen mainly soon (sometimes some milliseconds, sometimes a few seconds) after a call in which a PickupChan operation was involved has been finished.



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