[cups.general] Printing from Firefox crashes since CUPS 1.4.4

[Johannes Meixner]

Hello Michael,

On Jun 24 08:27 Michael Sweet wrote:
> On Jun 24, 2010, at 4:48 AM, Johannes Meixner wrote:
>>
>> it seems since CUPS 1.4.4 Firefox crashes in its print dialog, see
>> https://bugzilla.novell.com/show_bug.cgi?id=617026
>>
>> At the moment I have not analyzed the issue.
>
> Firefox dlopen's and dlclose's libcups - after dlclose'ing
> libcups the function pointers used by libcups for SSL support
> point to invalid addresses and you get a crash.  This also
> affects Thunderbird and presumably any other Mozilla.org
> application that prints.
>
> STR #3605 is a placeholder bug for changes we'll need to make
> once GNU TLS and OpenSSL add native threading support to their
> respective libraries:
>
>    http://www.cups.org/str.php?L3605
>
> In the meantime you can back out the changes added in STR #3461
> to revert to the previous (and apparently unsafe) usage
> of OpenSSL from multiple threads.


Very many thanks for this information!


Kind Regards
Johannes Meixner
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