Edit report at https://bugs.php.net/bug.php?id=63596&edit=1
ID: 63596
Updated by: ni...@php.net
Reported by: ni...@php.net
Summary: finally in generators segfaults since the new
finally implementation
-Status: Open
+Status: Closed
Type: Bug
Package: Scripting Engine problem
PHP Version: master-Git-2012-11-24 (Git)
Block user comment: N
Private report: N
New Comment:
Automatic comment on behalf of nikic
Revision:
http://git.php.net/?p=php-src.git;a=commit;h=60871e51ada0644f258c991d67adba22d38f8a7b
Log: Fix bug #63596: finally in generators segfaults
Previous Comments:
------------------------------------------------------------------------
[2012-11-24 16:57:50] ni...@php.net
Description:
------------
Since
https://github.com/php/php-src/commit/eb4825b50b1f4d20b574d8f66acf26e35180e7e6
the test Zend/tests/generators/finally_ran_on_close.phpt segfaults.
Output:
before yield
finally run
Segmentation fault (core dumped)
Backtrace:
Program received signal SIGSEGV, Segmentation fault.
0x086c6e21 in execute_ex (execute_data=0xb7fb868c, tsrm_ls=0x8d4a070)
at /home/nikic/dev/php-src/Zend/zend_vm_execute.h:435
435 if ((ret = OPLINE->handler(execute_data TSRMLS_CC)) >
0) {
(gdb) bt
#0 0x086c6e21 in execute_ex (execute_data=0xb7fb868c, tsrm_ls=0x8d4a070)
at /home/nikic/dev/php-src/Zend/zend_vm_execute.h:435
#1 0x086b43d7 in zend_generator_resume (generator=0xb7fb7f20,
tsrm_ls=0x8d4a070) at /home/nikic/dev/php-src/Zend/zend_generators.c:535
#2 0x086b2bf6 in zend_generator_close (generator=0xb7fb7f20,
finished_execution=0 '\000', tsrm_ls=0x8d4a070)
at /home/nikic/dev/php-src/Zend/zend_generators.c:64
#3 0x086b30b1 in zend_generator_free_storage (generator=0xb7fb7f20,
tsrm_ls=0x8d4a070) at /home/nikic/dev/php-src/Zend/zend_generators.c:195
#4 0x086bfb8e in zend_objects_store_del_ref_by_handle_ex (handle=1,
handlers=0x8d47700, tsrm_ls=0x8d4a070)
at /home/nikic/dev/php-src/Zend/zend_objects_API.c:220
#5 0x086bf7fd in zend_objects_store_del_ref (zobject=0xb7fb6214,
tsrm_ls=0x8d4a070) at /home/nikic/dev/php-src/Zend/zend_objects_API.c:172
#6 0x08684659 in _zval_dtor_func (zvalue=0xb7fb6214,
__zend_filename=0x8c87e44
"/home/nikic/dev/php-src/Zend/zend_execute_API.c", __zend_lineno=439) at
/home/nikic/dev/php-src/Zend/zend_variables.c:54
#7 0x08672b43 in _zval_dtor (__zend_lineno=<optimized out>,
__zend_filename=0x8c87e44
"/home/nikic/dev/php-src/Zend/zend_execute_API.c", zvalue=0xb7fb6214) at
/home/nikic/dev/php-src/Zend/zend_variables.h:35
#8 _zval_ptr_dtor (zval_ptr=0xb7fb7bc0,
__zend_filename=0x8c89164 "/home/nikic/dev/php-src/Zend/zend_variables.c",
__zend_lineno=182) at /home/nikic/dev/php-src/Zend/zend_execute_API.c:439
#9 0x08684a5e in _zval_ptr_dtor_wrapper (zval_ptr=0xb7fb7bc0)
at /home/nikic/dev/php-src/Zend/zend_variables.c:182
#10 0x08698ac5 in zend_hash_del_key_or_index (ht=0x8d4bb88,
arKey=0xb7fb7da4 "gen", nKeyLength=4, h=2090288735, flag=2)
at /home/nikic/dev/php-src/Zend/zend_hash.c:531
#11 0x08677af9 in zend_delete_variable (ex=0x0, ht=0x8d4bb88,
name=0xb7fb7da4 "gen", name_len=4, hash_value=2090288735,
tsrm_ls=0x8d4a070) at /home/nikic/dev/php-src/Zend/zend_execute_API.c:1703
#12 0x087d8ec9 in ZEND_UNSET_VAR_SPEC_CV_UNUSED_HANDLER (
execute_data=0xb7f9a07c, tsrm_ls=0x8d4a070)
at /home/nikic/dev/php-src/Zend/zend_vm_execute.h:38546
#13 0x086c6e2d in execute_ex (execute_data=0xb7f9a07c, tsrm_ls=0x8d4a070)
at /home/nikic/dev/php-src/Zend/zend_vm_execute.h:435
#14 0x086c6f18 in execute (op_array=0xb7fb6acc, tsrm_ls=0x8d4a070)
at /home/nikic/dev/php-src/Zend/zend_vm_execute.h:460
#15 0x08688d5d in zend_execute_scripts (type=8, tsrm_ls=0x8d4a070, retval=0x0,
file_count=3) at /home/nikic/dev/php-src/Zend/zend.c:1309
#16 0x085ea548 in php_execute_script (primary_file=0xbfffe0d0,
tsrm_ls=0x8d4a070) at /home/nikic/dev/php-src/main/main.c:2468
#17 0x087e75b1 in do_cli (argc=2, argv=0xbffff374, tsrm_ls=0x8d4a070)
at /home/nikic/dev/php-src/sapi/cli/php_cli.c:988
#18 0x087e8aec in main (argc=2, argv=0xbffff374)
at /home/nikic/dev/php-src/sapi/cli/php_cli.c:1364
The relevant code in the generator storage free handler:
http://lxr.php.net/xref/PHP_TRUNK/Zend/zend_generators.c#36.
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Edit this bug report at https://bugs.php.net/bug.php?id=63596&edit=1
