segfault when assigning object to itself with zend.ze1_compatibility_mode=On
| Bug #32080 | segfault when assigning object to itself with zend.ze1_compatibility_mode=On | ||||
|---|---|---|---|---|---|
| Submitted: | 2005-02-23 15:41 UTC | Modified: | 2005-04-29 09:05 UTC | ||
| From: | nicoletti at nns dot ch | Assigned: | |||
| Status: | Closed | Package: | Scripting Engine problem | ||
| PHP Version: | 5CVS-2005-04-29 | OS: | * | ||
| Private report: | No | CVE-ID: | None | ||
[2005-02-23 15:41 UTC] nicoletti at nns dot ch
Description:
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segfault when assigning object to itself in ze1 mode
Reproduce code:
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ini_set('zend.ze1_compatibility_mode', true);
class test { }
$t = new test;
$t = $t; // gives segfault
Expected result:
----------------
last line gives segfault
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[2005-02-25 14:59 UTC] nicoletti at nns dot ch
(gdb) bt #0 0x081ee835 in zend_std_object_get_class (object=0x836fa74) at /usr/local/src/php5/php5-200502251330/Zend/zend_object_handlers.c:839 #1 0x081d6e49 in zend_get_class_entry (zobject=0x836fa74) at /usr/local/src/php5/php5-200502251330/Zend/zend_API.c:227 #2 0x0824fd33 in zend_assign_to_variable (result=0x836e624, op1=0x836e638, op2=0x836e64c, value=0x836fa74, type=16, Ts=0xbfffd134) at /usr/local/src/php5/php5-200502251330/Zend/zend_execute.c:861 #3 0x08240d4d in ZEND_ASSIGN_SPEC_CV_CV_HANDLER (execute_data=0xbfffd1e8) at /usr/local/src/php5/php5-200502251330/Zend/zend_vm_execute.h:23463 #4 0x081fc2b2 in execute (op_array=0x836a11c) at /usr/local/src/php5/php5-200502251330/Zend/zend_vm_execute.h:78 #5 0x081d65a9 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/local/src/php5/php5-200502251330/Zend/zend.c:1058 #6 0x08192873 in php_execute_script (primary_file=0xbffff574) at /usr/local/src/php5/php5-200502251330/main/main.c:1636 #7 0x08251c7d in main (argc=3, argv=0xbffff604) at /usr/local/src/php5/php5-200502251330/sapi/cli/php_cli.c:944