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Bug #26750 backtrace crash server
Submitted: 2003-12-30 21:42 UTC Modified: 2004-01-10 20:34 UTC
Votes:2
Avg. Score:5.0 ± 0.0
Reproduced:2 of 2 (100.0%)
Same Version:1 (50.0%)
Same OS:2 (100.0%)
From: php dot bug at stre dot it Assigned:
Status: No Feedback Package: Scripting Engine problem
PHP Version: 5.0.0b3 (beta3) OS: win32 nt5.1
Private report: No CVE-ID: None
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 [2003-12-30 21:42 UTC] php dot bug at stre dot it
Description:
------------
this failure happens not in every context, i cant reproduce the concret context it happens (to much code). 

but something to the context:
i have a abstract class (PageException) extending Exception

in this class i call the function debug_backtrace inside the constructor.

The pageexception class is super class of ExpressionException

the expressionexception will be throw in a page included inside a method of a object


when i call the function debug_backtrace php dont come out of the function and the page ends with a timeout (infinity loop?). when i remove debug_backtrace everything is ok.

in the same context the function debug_print_backtrace apache webserver throw a failure looks like bad reference (the instruction at "0x100dfc8b" referenced memory at "0x00000000". the memory could not be "read")


Reproduce code:
---------------
sorry to much


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 [2004-01-02 10:28 UTC] sniper@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 possible, make the script source available online and provide
an URL to it here. Try avoid embedding huge scripts into the report.


 [2004-01-10 20:34 UTC] sniper@php.net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.


 
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