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[2017-01-25 00:20 UTC] maxime dot steinhausser at gmail dot com
Description: ------------ Hi, As reported in https://github.com/symfony/symfony/issues/21349, we encounter segfaults when trying to run the Symfony SecurityBundle test suite on master branch, after a particular commit (7497f1c), using php 7.1.0 or 7.1.1 (tested on several OS X hosts). Everything seems to be fine before this commit. See following output and backtrace I get from a freshly compiled 7.1.1 PHP version with the `--enable-debug` option. Actual result: -------------- PHPUnit 5.7.6 by Sebastian Bergmann and contributors. Testing src/Symfony/Bundle/SecurityBundle/ ............................................................... 63 / 139 ( 45%) ..................Assertion failed: (((zend_object*)func->op_array.prototype)->gc.u.v.type == 8), function zend_call_function, file zend_execute_API.c, line 818. --- Backtrace with lldb: Executable module set to "/usr/local/mac-dev-env/php-7.1.0/bin/php". Architecture set to: x86_64h-apple-macosx. (lldb) continue Process 25678 resuming Process 25678 stopped * thread #1: tid = 0xc72afd, 0x00007fffaa6e3dd6 libsystem_kernel.dylib`__pthread_kill + 10, queue = 'com.apple.main-thread', stop reason = signal SIGABRT frame #0: 0x00007fffaa6e3dd6 libsystem_kernel.dylib`__pthread_kill + 10 libsystem_kernel.dylib`__pthread_kill: -> 0x7fffaa6e3dd6 <+10>: jae 0x7fffaa6e3de0 ; <+20> 0x7fffaa6e3dd8 <+12>: movq %rax, %rdi 0x7fffaa6e3ddb <+15>: jmp 0x7fffaa6dccdf ; cerror_nocancel 0x7fffaa6e3de0 <+20>: retq (lldb) bt * thread #1: tid = 0xc72afd, 0x00007fffaa6e3dd6 libsystem_kernel.dylib`__pthread_kill + 10, queue = 'com.apple.main-thread', stop reason = signal SIGABRT * frame #0: 0x00007fffaa6e3dd6 libsystem_kernel.dylib`__pthread_kill + 10 frame #1: 0x00007fffaa7cf787 libsystem_pthread.dylib`pthread_kill + 90 frame #2: 0x00007fffaa649420 libsystem_c.dylib`abort + 129 frame #3: 0x00007fffaa610893 libsystem_c.dylib`__assert_rtn + 320 frame #4: 0x00000001053b730d php`zend_call_function(fci=0x00007fff5af146b8, fci_cache=0x00007fff5af145e0) + 2541 at zend_execute_API.c:818 frame #5: 0x00000001053b6917 php`_call_user_function_ex(object=0x0000000000000000, function_name=0x000000010601fdd0, retval_ptr=0x000000010601fd80, param_count=5, params=0x000000010601fe00, no_separation=1) + 215 at zend_execute_API.c:672 frame #6: 0x0000000105414647 php`zim_Closure___invoke(execute_data=0x000000010601fdb0, return_value=0x000000010601fd80) + 135 at zend_closures.c:57 frame #7: 0x0000000105468298 php`ZEND_DO_FCALL_SPEC_RETVAL_USED_HANDLER(execute_data=0x000000010601fcd0) + 936 at zend_vm_execute.h:1097 frame #8: 0x000000010543bbb4 php`execute_ex(ex=0x000000010601fcd0) + 100 at zend_vm_execute.h:432 frame #9: 0x00000001053b73bb php`zend_call_function(fci=0x00007fff5af14b00, fci_cache=0x00007fff5af14a70) + 2715 at zend_execute_API.c:828 frame #10: 0x00000001054041c2 php`zend_call_method(object=0x00007fff5af14c48, obj_ce=0x0000000107c55678, fn_proxy=0x00007fff5af14c60, function_name="__destruct", function_name_len=10, retval_ptr=0x0000000000000000, param_count=0, arg1=0x0000000000000000, arg2=0x0000000000000000) + 1234 at zend_interfaces.c:101 frame #11: 0x0000000105429ea7 php`zend_objects_destroy_object(object=0x0000000106917600) + 839 at zend_objects.c:156 frame #12: 0x00000001054124c6 php`zend_gc_collect_cycles + 534 at zend_gc.c:1114 frame #13: 0x0000000105411ffc php`gc_possible_root(ref=0x0000000107991000) + 524 at zend_gc.c:293 frame #14: 0x00000001054d8112 php`zend_object_release(obj=0x0000000107991000) + 98 at zend_objects_API.h:80 frame #15: 0x00000001054e21a7 php`zend_leave_helper_SPEC(execute_data=0x000000010601fc40) + 231 at zend_vm_execute.h:497 frame #16: 0x0000000105468885 php`ZEND_RETURN_SPEC_CONST_HANDLER(execute_data=0x000000010601fc40) + 213 at zend_vm_execute.h:2909 frame #17: 0x000000010543bbb4 php`execute_ex(ex=0x000000010601d670) + 100 at zend_vm_execute.h:432 frame #18: 0x00000001053b73bb php`zend_call_function(fci=0x00007fff5af15108, fci_cache=0x00007fff5af150e0) + 2715 at zend_execute_API.c:828 frame #19: 0x000000010510b941 php`reflection_method_invoke(execute_data=0x000000010601d600, return_value=0x000000010601d2b0, variadic=0) + 1809 at php_reflection.c:3325 frame #20: 0x000000010510babf php`zim_reflection_method_invokeArgs(execute_data=0x000000010601d600, return_value=0x000000010601d2b0) + 31 at php_reflection.c:3361 frame #21: 0x0000000105468298 php`ZEND_DO_FCALL_SPEC_RETVAL_USED_HANDLER(execute_data=0x000000010601d0b0) + 936 at zend_vm_execute.h:1097 --- frame #4: 0x00000001053b730d php`zend_call_function(fci=0x00007fff5af146b8, fci_cache=0x00007fff5af145e0) + 2541 at zend_execute_API.c:818 815 } 816 817 if (UNEXPECTED(func->op_array.fn_flags & ZEND_ACC_CLOSURE)) { -> 818 ZEND_ASSERT(GC_TYPE((zend_object*)func->op_array.prototype) == IS_OBJECT); 819 GC_REFCOUNT((zend_object*)func->op_array.prototype)++; 820 ZEND_ADD_CALL_FLAG(call, ZEND_CALL_CLOSURE); 821 } (lldb) down PatchesPull RequestsHistoryAllCommentsChangesGit/SVN commits
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a simple produce script is: class Cycle { private $thing; public function __construct() { $obj = $this; $this->thing = function() use($obj) {}; } public function __destruct() { ($this->thing)(); } } for ($i = 0; $i < 10000; ++$i) { $obj = new Cycle(); } echo "OK\n";