[asterisk-bugs] [JIRA] (ASTERISK-24561) Core dump on res_fax_spandsp

[Richard Mudgett (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-24561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=224074#comment-224074 ] 

Richard Mudgett commented on ASTERISK-24561:
--------------------------------------------

MALLOC_DEBUG has likely prevented the crash because critical memory wasn't corrupted by the extra memory allocated for the high fence pattern.

> Core dump on res_fax_spandsp
> ----------------------------
>
>                 Key: ASTERISK-24561
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24561
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_fax_spandsp
>    Affects Versions: 12.6.1, 12.7.0
>         Environment: Debian Jessie
>            Reporter: Jakub Włudarczyk
>            Assignee: Jakub Włudarczyk
>         Attachments: backtrace.txt, backtrace.txt, full.7z
>
>
> Crash when using res_fax_spandsp T.38 Gateway. Unfortunately its impossible to use valgrind, as this is on production, 



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