Closed
Description
Description
The following code:
<?php
$map = new WeakMap;
$obj = new stdClass;
$map[$obj] = new class {
function __destruct() {
throw new Exception("Test");
}
};
headers_sent($obj,$generator);Resulted in this output:
=================================================================
==3449000==ERROR: AddressSanitizer: SEGV on unknown address 0x00000000002c (pc 0x000004ca3d7b bp 0x7ffe4c5aed40 sp 0x7ffe4c5aec80 T0)
==3449000==The signal is caused by a READ memory access.
==3449000==Hint: address points to the zero page.
#0 0x4ca3d7b in smart_str_append_zval /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_smart_str.c:230:64
#1 0x3f014e2 in _build_trace_args /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_exceptions.c:507:6
#2 0x3eec6e4 in _build_trace_string /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_exceptions.c:579:5
#3 0x3eea657 in zend_trace_to_string /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_exceptions.c:605:3
#4 0x3eeda95 in zim_Exception_getTraceAsString /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_exceptions.c:635:2
#5 0x3f30cff in zend_call_function /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_execute_API.c:1016:4
#6 0x3ef05a6 in zim_Exception___toString /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_exceptions.c:680:3
#7 0x3f30cff in zend_call_function /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_execute_API.c:1016:4
#8 0x3f3678e in zend_call_known_function /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_execute_API.c:1097:23
#9 0x3f05494 in zend_call_known_instance_method /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_API.h:860:2
#10 0x3efebdb in zend_call_known_instance_method_with_0_params /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_API.h:866:2
#11 0x3edd5db in zend_exception_error /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_exceptions.c:923:3
#12 0x4d3bf7f in zend_execute_script /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend.c:1941:11
#13 0x353f1da in php_execute_script_ex /home/phpfuzz/WorkSpace/flowfusion/php-src/main/main.c:2577:13
#14 0x3540318 in php_execute_script /home/phpfuzz/WorkSpace/flowfusion/php-src/main/main.c:2617:9
#15 0x4d4fd8a in do_cli /home/phpfuzz/WorkSpace/flowfusion/php-src/sapi/cli/php_cli.c:938:5
#16 0x4d4a26f in main /home/phpfuzz/WorkSpace/flowfusion/php-src/sapi/cli/php_cli.c:1313:18
#17 0x7f5a24057d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
#18 0x7f5a24057e3f in __libc_start_main csu/../csu/libc-start.c:392:3
#19 0x605934 in _start (/home/phpfuzz/WorkSpace/flowfusion/php-src/sapi/cli/php+0x605934)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/phpfuzz/WorkSpace/flowfusion/php-src/Zend/zend_smart_str.c:230:64 in smart_str_append_zval
==3449000==ABORTING
PHP Version
nightly
Operating System
No response