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Bug #48566 set_exception_handler doesn't catch an exception created by imap_fetchstructure
Submitted: 2009-06-16 07:47 UTC Modified: 2009-08-12 01:00 UTC
Votes:2
Avg. Score:3.5 ± 0.5
Reproduced:2 of 2 (100.0%)
Same Version:0 (0.0%)
Same OS:1 (50.0%)
From: e dot mortoray at ecircle dot com Assigned: jani (profile)
Status: No Feedback Package: Scripting Engine problem
PHP Version: 5.2.9 OS: Linux
Private report: No CVE-ID: None
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From: e dot mortoray at ecircle dot com
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 [2009-06-16 07:47 UTC] e dot mortoray at ecircle dot com 
Description:
------------
If imap_fetchstructure encounters a message which contains an invalid sequence in a header field it somehow creates a deferred exception which is thrown on exit and is *not* caught by the handler defined in set_exception_handler.

I have not been able to produce an exact reproduction but I can confirm:
-the global exception handler is normally working
-it is something that imap_fetchstructure is doing -- if I remove this line it doesn't happen
--furthermore, it only seems to happen if one of the headers in the email has an invalid sequence: no encoding specified and contains a non-ascii character -- one which doesn't appear to be a valid latin1 character either


Expected result:
----------------
I'm not expecting any exception to be thrown, but if one is (due to a class destructor exception) I'd expect it to be caught by the default exception handler.

Actual result:
--------------
Just before PHP exits (after the script is finished) the following error:

error_handler(): [8] Unknown: Missing parameter (errflg=3) in Unknown at line 0

Fatal error: Exception thrown without a stack frame in Unknown on line 0

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 [2009-08-04 16:36 UTC] jani@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc. If the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.
 [2009-08-12 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 
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