[asterisk-bugs] [JIRA] (ASTERISK-28449) scheduler: Supported time can be exceeded by PUBLISH

[Gil Richard (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=247514#comment-247514 ] 

Gil Richard commented on ASTERISK-28449:
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Great news!  Thanks for the update.

> scheduler: Supported time can be exceeded by PUBLISH
> ----------------------------------------------------
>
>                 Key: ASTERISK-28449
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28449
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/Platform, Resources/res_pjsip_pubsub
>    Affects Versions: 16.3.0
>            Reporter: Gil Richard
>            Severity: Minor
>
> The scheduler (main/sched.c) uses a signed integer value for setting timers in milliseconds.  The SIP RFC [3261 20.19] specifies an Expiry as being between 0 and (2**32)-1.  When converted to ms, the maximum value exceeds the bounds of a signed integer and becomes a negative value.
> This can replicated by issuing a PUBLISH with an Expiry of 4294967295.  sched_settime() will complain about a negative time and assert 0.
> Changing to an unsigned int or an unsigned long int will likely remedy the issue.



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