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From "Justin Ross (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PROTON-1380) Cyrus SASL accesses strings that have been freed
Date Wed, 04 Jan 2017 16:30:59 GMT

     [ https://issues.apache.org/jira/browse/PROTON-1380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Justin Ross updated PROTON-1380:
    Assignee: Andrew Stitcher

> Cyrus SASL accesses strings that have been freed
> ------------------------------------------------
>                 Key: PROTON-1380
>                 URL: https://issues.apache.org/jira/browse/PROTON-1380
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>    Affects Versions: 0.16.0
>            Reporter: Ted Ross
>            Assignee: Andrew Stitcher
>            Priority: Blocker
> If a proton-c user calls pn_sasl_config_name or pn_sasl_config_path, the literal defaults
are replaced with allocated duplicates of the supplied name or path.  When the user's transport
is eventually freed, these allocated strings are also freed (in pn_sasl_free).
> Cyrus SASL retains a global pointer to this freed string and references it the next time
a transport is created.  Since the SASL initialization only occurs once per process, the strings
are not refreshed and the SASL library continues to refer to the freed string.
> There does not appear to be a workaround available for this issue.

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