#5393 [Opn->]: Potential bug in php3_request_shutdown()

From: Date: Tue, 01 Oct 2002 20:09:11 +0000
Subject: #5393 [Opn->]: Potential bug in php3_request_shutdown()
References: 1  Groups: php.bugs 
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ID: 5393 Updated by: hholzgra@php.net Reported By: priit@bluemoon.ee -Status: Open +Status: Won\'t fix Bug Type: Other Operating System: SunOS 2.7 / RH Linux 6.1 PHP Version: 3.0.16 New Comment: We are sorry, but can not support PHP 3 related problems anymore. Momentum is gathering for PHP 5, and we think supporting PHP 3 will lead to a waste of resources which we want to put into getting PHP 5 ready. Ofcourse PHP 4 will will continue to be supported for the forseeable future. Previous Comments: ------------------------------------------------------------------------ [2000-07-06 00:26:56] priit@bluemoon.ee By looking at code I discovered potential bug in php3_request_shutdown(): When cleaning up function state stack last_symbol_table is initated to NULL, then function_states in function_state_stack are freed from top to bottom, while updating/checking last_symbol_table and in the end current function_state is freed. BUT logically current function_state belongs to top of the stack and not to bottom, to witch symbol_table last_symbol_table will point to Fix: Set last_symbol_table to GLOBAL(function_state).symbol_table, free function_state and then proceed with function_state_stack freeing ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=5393&edit=1

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