Bug #78715 [Opn->Nab]: Segmentation fault in zend_type_to_string_resolved

Edit report at https://bugs.php.net/bug.php?id=78715&edit=1 ID: 78715 Updated by: nikic@php.net Reported by: a dot dankovtsev at mail dot ru Summary: Segmentation fault in zend_type_to_string_resolved -Status: Open +Status: Not a bug Type: Bug Package: Reflection related Operating System: Mac OS PHP Version: master-Git-2019-10-22 (Git) Block user comment: N Private report: N New Comment: Closing per above comment. Previous Comments: ------------------------------------------------------------------------ [2019-10-22 12:59:11] a dot dankovtsev at mail dot ru Hm... i rebuild again extension for redis with version 5.0.2 (https://github.com/phpredis/phpredis/tree/5.0.2) Parameter with segfault was: Type: array Parameter: aggregate Rebuild is resolve this segmentation fault... Sorry for spent time... ------------------------------------------------------------------------ [2019-10-22 10:56:08] a dot dankovtsev at mail dot ru reproduce in this code php: {code} <?php declare(strict_types = 1); $refClass = new \ReflectionClass(\Redis::class); $refMethod = $refClass->getMethod('zinterstore'); foreach ($refMethod->getParameters() as $param) { echo 'Parameter: ' . $param->getName() . PHP_EOL; $type = $param->getType(); if ($type instanceof \ReflectionNamedType) { var_dump($type); $typeDeclaration = $type->getName() . ' '; // segfault this } } {code} output: {code} php test.php Parameter: key Parameter: keys object(ReflectionNamedType)#7 (0) { } Parameter: weights object(ReflectionNamedType)#8 (0) { } [1] 55227 segmentation fault (core dumped) php test.php {code} ------------------------------------------------------------------------ [2019-10-22 09:44:21] nikic@php.net type=29 is corrupt, but I can't tell where it originates based on the trace. ------------------------------------------------------------------------ [2019-10-22 06:40:03] a dot dankovtsev at mail dot ru Description: ------------ Sorry, i can't izolate test stend for reproduce. Segmentation fault while run unit-tests in some project core dump: lldb --core /cores/core.39217 (lldb) target create --core "/cores/core.39217" btCore file '/cores/core.39217' (x86_64) was loaded. (lldb) bt all php was compiled with optimization - stepping may behave oddly; variables may not be available. * thread #1, stop reason = signal SIGSTOP * frame #0: 0x000000010b1224c2 php`zend_type_to_string_resolved(type=29, scope=0x0000000000000000) at zend_compile.c:1099 [opt] frame #1: 0x000000010afe8658 php`zim_reflection_named_type_getName(execute_data=<unavailable>, return_value=0x000000010c221340) at php_reflection.c:2837 [opt] frame #2: 0x000000010b1c1d56 php`ZEND_DO_FCALL_SPEC_RETVAL_USED_HANDLER(execute_data=0x000000010c2215c0) at zend_vm_execute.h:1673 [opt] frame #3: 0x000000010b1a3e08 php`execute_ex(ex=0x000000010c221050) at zend_vm_execute.h:52102 [opt] frame #4: 0x000000010b1a3fcc php`zend_execute(op_array=0x000000010c27a540, return_value=0x0000000000000000) at zend_vm_execute.h:56355 [opt] frame #5: 0x000000010b159761 php`zend_execute_scripts(type=8, retval=0x0000000000000000, file_count=3) at zend.c:1645 [opt] frame #6: 0x000000010b0e36f1 php`php_execute_script(primary_file=<unavailable>) at main.c:2586 [opt] frame #7: 0x000000010b1f378b php`do_cli(argc=<unavailable>, argv=<unavailable>) at php_cli.c:959 [opt] frame #8: 0x000000010b1f25f8 php`main(argc=3, argv=0x00007ffee4d9bad0) at php_cli.c:1350 [opt] frame #9: 0x00007fff73d35015 libdyld.dylib`start + 1 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=78715&edit=1