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[2007-09-18 16:02 UTC] daan at react dot nl
Description:
------------
When raising an exception in the current() method of an iterator while that iterator is being processed by either an IteratorIterator or FilterIterator causes PHP to crash.
Reproduce code:
---------------
<?php
class BlaIterator implements Iterator
{
public function rewind()
{
}
public function next()
{
}
public function valid()
{
return true;
}
public function current()
{
throw new Exception('boo');
}
public function key()
{
}
}
$it = new BlaIterator();
$itit = new IteratorIterator($it);
foreach ($itit as $key => $value)
echo $value;
Expected result:
----------------
Exception thrown
Actual result:
--------------
#0 zim_spl_dual_it_rewind (ht=0, return_value=0xb7827e04, return_value_ptr=0x0, this_ptr=0xb7826d80, return_value_used=1)
at /usr/src/php-5.2.4/ext/spl/spl_iterators.c:1128
#1 0x08327528 in zend_call_function (fci=0xbfa93970, fci_cache=0xbfa93950) at /usr/src/php-5.2.4/Zend/zend_execute_API.c:1004
#2 0x083447e0 in zend_call_method (object_pp=0xbfa939f0, obj_ce=0x86c73d0, fn_proxy=0x86c7500, function_name=0x85c5425 "rewind", function_name_len=6,
retval_ptr_ptr=0x0, param_count=0, arg1=0x0, arg2=0x0) at /usr/src/php-5.2.4/Zend/zend_interfaces.c:88
#3 0x08344ded in zend_user_it_rewind (_iter=0xb7829124) at /usr/src/php-5.2.4/Zend/zend_interfaces.c:252
#4 0x0839af62 in ZEND_FE_RESET_SPEC_CV_HANDLER (execute_data=0xbfa93bb0) at /usr/src/php-5.2.4/Zend/zend_vm_execute.h:19980
#5 0x0834f5b9 in execute (op_array=0xb782726c) at /usr/src/php-5.2.4/Zend/zend_vm_execute.h:92
#6 0xb77cc44e in xdebug_execute (op_array=0xb782726c) at /tmp/pear/cache/xdebug-2.0.0RC3/xdebug.c:1487
#7 0x083341c4 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/src/php-5.2.4/Zend/zend.c:1134
#8 0x082f822a in php_execute_script (primary_file=0xbfa96030) at /usr/src/php-5.2.4/main/main.c:1982
#9 0x083b802f in main (argc=2, argv=0xbfa96104) at /usr/src/php-5.2.4/sapi/cli/php_cli.c:1140
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[Switching to Thread -1209043264 (LWP 4604)] 0x081e1730 in spl_dual_it_fetch (intern=0x9935a3c, check_more=1, tsrm_ls=0x97fa050) at /home/jani/src/php-5.2/ext/spl/spl_iterators.c:1128 1128 intern->current.data->refcount++; (gdb) bt #0 0x081e1730 in spl_dual_it_fetch (intern=0x9935a3c, check_more=1, tsrm_ls=0x97fa050) at /home/jani/src/php-5.2/ext/spl/spl_iterators.c:1128 #1 0x081e153d in zim_spl_dual_it_rewind (ht=0, return_value=0x9935c44, return_value_ptr=0x0, this_ptr=0x9932d44, return_value_used=1, tsrm_ls=0x97fa050) at /home/jani/src/php-5.2/ext/spl/spl_iterators.c:1161 #2 0x0830279e in zend_call_function (fci=0xbfe7cd74, fci_cache=0xbfe7cd48, tsrm_ls=0x97fa050) at /home/jani/src/php-5.2/Zend/zend_execute_API.c:1004 #3 0x0832b42a in zend_call_method (object_pp=0xbfe7cde0, obj_ce=0x986eb70, fn_proxy=0x986ecb4, function_name=0x85d3639 "rewind", function_name_len=6, retval_ptr_ptr=0x0, param_count=0, arg1=0x0, arg2=0x0, tsrm_ls=0x97fa050) at /home/jani/src/php-5.2/Zend/zend_interfaces.c:88 #4 0x0832bcc1 in zend_user_it_rewind (_iter=0x9935c00, tsrm_ls=0x97fa050) at /home/jani/src/php-5.2/Zend/zend_interfaces.c:252 #5 0x0837fa59 in ZEND_FE_RESET_SPEC_CV_HANDLER (execute_data=0xbfe7d004, tsrm_ls=0x97fa050) at /home/jani/src/php-5.2/Zend/zend_vm_execute.h:19980 #6 0x0833a206 in execute (op_array=0x9933548, tsrm_ls=0x97fa050) at /home/jani/src/php-5.2/Zend/zend_vm_execute.h:92 #7 0x083119f8 in zend_execute_scripts (type=8, tsrm_ls=0x97fa050, retval=0x0, file_count=3) at /home/jani/src/php-5.2/Zend/zend.c:1134 #8 0x082acd9b in php_execute_script (primary_file=0xbfe7f39c, tsrm_ls=0x97fa050) at /home/jani/src/php-5.2/main/main.c:1999 #9 0x08397a92 in main (argc=2, argv=0xbfe7f4f4) at /home/jani/src/php-5.2/sapi/cli/php_cli.c:1140