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[2020-07-11 20:23 UTC] changochen1 at gmail dot com
Description:
------------
Stack dump:
---
#0 __GI_raise (sig=sig@entry=0x6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007ffff6123801 in __GI_abort () at abort.c:79
#2 0x00007ffff611339a in __assert_fail_base (
fmt=0x7ffff629a7d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n",
assertion=assertion@entry=0x1f19749 "source_list->ptr == prop",
file=file@entry=0x1f192ec "/home/yongheng/php_clean/Zend/zend_execute.c",
line=line@entry=0xcbf,
function=function@entry=0x1f19762 "void zend_ref_del_type_source(zend_property_info_source_list *, zend_property_info *)") at assert.c:92
#3 0x00007ffff6113412 in __GI___assert_fail (
assertion=0x1f19749 "source_list->ptr == prop",
file=0x1f192ec "/home/yongheng/php_clean/Zend/zend_execute.c", line=0xcbf,
function=0x1f19762 "void zend_ref_del_type_source(zend_property_info_source_list *, zend_property_info *)") at assert.c:101
#4 0x000000000142a9ee in zend_ref_del_type_source (source_list=0x7ffff2c01918,
prop=<optimized out>) at /home/yongheng/php_clean/Zend/zend_execute.c:3263
#5 0x0000000001753170 in zend_object_std_dtor (object=<optimized out>)
at /home/yongheng/php_clean/Zend/zend_objects.c:67
#6 0x00000000016e516a in zend_gc_collect_cycles ()
at /home/yongheng/php_clean/Zend/zend_gc.c:1584
#7 0x000000000132e8ed in shutdown_executor ()
at /home/yongheng/php_clean/Zend/zend_execute_API.c:333
#8 0x00000000013889f4 in zend_deactivate ()
at /home/yongheng/php_clean/Zend/zend.c:1206
#9 0x00000000010e9cb4 in php_request_shutdown (dummy=<optimized out>)
at /home/yongheng/php_clean/main/main.c:1842
#10 0x000000000179965e in do_cli (argc=0x3, argv=0x702000000180)
at /home/yongheng/php_clean/sapi/cli/php_cli.c:1120
#11 0x0000000001798ca0 in main (argc=<optimized out>, argc@entry=0x3,
argv=<optimized out>, argv@entry=0x7fffffffe4d8)
at /home/yongheng/php_clean/sapi/cli/php_cli.c:1349
#12 0x00007ffff6104b97 in __libc_start_main (main=0x1797ce0 <main>, argc=0x3,
argv=0x7fffffffe4d8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffffffe4c8) at ../csu/libc-start.c:310
#13 0x000000000043fa4a in _start ()
---
Test script:
---------------
<?
ob_start ( function () {
foreach ( $GLOBALS as $a )
try {
array_walk ( $b , function () { }) ;
}
catch ( Error $b ) { }
}
) ;
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Last updated: Sat Dec 21 15:01:29 2024 UTC |
simpler reproduce script: <?php array_walk (new Exception(), function () {}) ; ?>not sure why here is: if (UNEXPECTED(Z_ISREF_P(p)) && (ZEND_DEBUG || ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(p)))) { is that || should be &&?The condition is right. It is there to ensure that all type sources have been added to the reference, which is not the case here. In particular array_walk() creates references without adding type sources. Here is an example that fails on PHP 7.4 as well: <?php class Test { public int $prop = 42; } $test = new Test; array_walk($test, function(&$ref) { $ref = []; // Should throw }); var_dump($test);