Bug #78787 [Opn->Ver]: PHP 7.3 Segfault 11 Reflection/Trait

Edit report at https://bugs.php.net/bug.php?id=78787&edit=1 ID: 78787 Updated by: nikic@php.net Reported by: shariefjamiel at gmail dot com Summary: PHP 7.3 Segfault 11 Reflection/Trait -Status: Open +Status: Verified Type: Bug Package: Reflection related Operating System: mac/linux PHP Version: 7.3.11 Block user comment: N Private report: N New Comment: Valgrind: ==4029== Invalid read of size 4 ==4029== at 0xA84D40: zend_string_release_ex (zend_string.h:284) ==4029== by 0xA8B45C: zend_do_traits_property_binding (zend_inheritance.c:1600) ==4029== by 0xA8BC61: zend_do_bind_traits (zend_inheritance.c:1755) ==4029== by 0xA9AD48: ZEND_BIND_TRAITS_SPEC_HANDLER (zend_vm_execute.h:1682) ==4029== by 0xB050EC: execute_ex (zend_vm_execute.h:55565) ==4029== by 0xB0A5EA: zend_execute (zend_vm_execute.h:60901) ==4029== by 0xA2E83A: zend_execute_scripts (zend.c:1568) ==4029== by 0x993D7F: php_execute_script (main.c:2639) ==4029== by 0xB0D3FA: do_cli (php_cli.c:997) ==4029== by 0xB0E571: main (php_cli.c:1389) ==4029== Address 0x1121ac44 is 4 bytes inside a block of size 64 free'd ==4029== at 0x4C30D3B: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==4029== by 0x9F5E3C: _efree (zend_alloc.c:2515) ==4029== by 0xA84E0B: zend_string_release_ex (zend_string.h:291) ==4029== by 0xA8B45C: zend_do_traits_property_binding (zend_inheritance.c:1600) ==4029== by 0xA8BC61: zend_do_bind_traits (zend_inheritance.c:1755) ==4029== by 0xA9AD48: ZEND_BIND_TRAITS_SPEC_HANDLER (zend_vm_execute.h:1682) ==4029== by 0xB050EC: execute_ex (zend_vm_execute.h:55565) ==4029== by 0xB0A5EA: zend_execute (zend_vm_execute.h:60901) ==4029== by 0xA2E83A: zend_execute_scripts (zend.c:1568) ==4029== by 0x993D7F: php_execute_script (main.c:2639) ==4029== by 0xB0D3FA: do_cli (php_cli.c:997) ==4029== by 0xB0E571: main (php_cli.c:1389) ==4029== Block was alloc'd at ==4029== at 0x4C2FB0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==4029== by 0x9F6AE4: __zend_malloc (zend_alloc.c:2908) ==4029== by 0x9F5D95: _emalloc (zend_alloc.c:2501) ==4029== by 0x9CE681: zend_string_alloc (zend_string.h:133) ==4029== by 0x9CE6F1: zend_string_init (zend_string.h:155) ==4029== by 0x9D5D2B: lex_scan (zend_language_scanner.l:2109) ==4029== by 0x9FC4D0: zendlex (zend_compile.c:1703) ==4029== by 0x9C9623: zendparse (zend_language_parser.c:4211) ==4029== by 0x9D0391: zend_compile (zend_language_scanner.l:587) ==4029== by 0x9D0605: compile_file (zend_language_scanner.l:637) ==4029== by 0x712706: phar_compile_file (phar.c:3348) ==4029== by 0x9D0736: compile_filename (zend_language_scanner.l:662) Previous Comments: ------------------------------------------------------------------------ [2019-11-06 10:15:27] shariefjamiel at gmail dot com This appears to be caused reflecting multiple files with traits in PHP 7.3 (not 7.2 or 7.4) ------------------------------------------------------------------------ [2019-11-06 10:13:44] shariefjamiel at gmail dot com Description: ------------ I am getting a segfault 11 when running PHPunit 8 or analysing code with PHPStan, i have been able recreate for PHPUnit but not PHPStan. (but the fix resolves both of them) PHP 7.3.11 (cli) (built: Oct 24 2019 11:29:52) ( NTS ) PHPUnit 8.4.2 This appears to be caused reflecting multiple files in PHP 7.3 (not 7.2 or 7.4) Source code: https://github.com/jamielsharief/php-bug-segfault-11 1. download source 2. type composer install Full explanation and gdb backtrace https://github.com/jamielsharief/php-bug-segfault-11/blob/master/README.md Test script: --------------- vendor/bin/phpunit tests Expected result: ---------------- OK (3 tests, 3 assertions) Actual result: -------------- Segmentation fault: 11 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=78787&edit=1