Bug #75744 [NEW]: Sporadic crashes when opcache enabled

From: kochuev at gmail dot com Operating system: Oracle Linux PHP version: 7.0.26 Package: opcache Bug Type: Bug Bug description:Sporadic crashes when opcache enabled Description: ------------ There are sporadic crashed with the traces: Program terminated with signal 11, Segmentation fault. #0 0xfffffff80000001a in ?? () #0 0xfffffff80000001a in ?? () #1 0x00005563484baa4d in zend_hash_destroy (ht=0x7f9987280ab8) at /usr/src/debug/php-7.0.25/Zend/zend_hash.c:1264 #2 0x00005563484bad19 in zend_array_destroy (ht=0x7f9987280ab8) at /usr/src/debug/php-7.0.25/Zend/zend_hash.c:1324 #3 0x00005563484bac98 in i_zval_ptr_dtor (zval_ptr=0x7f998726bf60) at /usr/src/debug/php-7.0.25/Zend/zend_variables.h:58 #4 zend_array_destroy (ht=0x7f9987280150) at /usr/src/debug/php-7.0.25/Zend/zend_hash.c:1338 #5 0x00005563484dfed4 in i_zval_ptr_dtor (zval_ptr=0x7f9987281118) at /usr/src/debug/php-7.0.25/Zend/zend_variables.h:58 #6 zend_object_std_dtor (object=0x7f99872810c0) at /usr/src/debug/php-7.0.25/Zend/zend_objects.c:69 #7 0x00005563484e4c11 in zend_objects_store_del (object=0x7f99872810c0) at /usr/src/debug/php-7.0.25/Zend/zend_objects_API.c:178 #8 0x000055634849d140 in i_zval_ptr_dtor (zval_ptr=0x7f99872696a0) at /usr/src/debug/php-7.0.25/Zend/zend_variables.h:58 #9 zend_cleanup_user_class_data (ce=0x7f998720a800) at /usr/src/debug/php-7.0.25/Zend/zend_opcode.c:167 #10 0x0000556348499415 in shutdown_executor () at /usr/src/debug/php-7.0.25/Zend/zend_execute_API.c:336 #11 0x00005563484a9598 in zend_deactivate () at /usr/src/debug/php-7.0.25/Zend/zend.c:985 #12 0x0000556348448411 in php_request_shutdown (dummy=dummy@entry=0x0) at /usr/src/debug/php-7.0.25/main/main.c:1856 #13 0x00005563482e8cde in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/php-7.0.25/sapi/fpm/fpm/fpm_main.c:1995 Another example: Program terminated with signal 11, Segmentation fault. #0 zend_string_release (s=0x4) at /usr/src/debug/php-7.0.25/Zend/zend_string.h:269 269 if (!ZSTR_IS_INTERNED(s)) { #0 zend_string_release (s=0x4) at /usr/src/debug/php-7.0.25/Zend/zend_string.h:269 #1 free_zend_constant (zv=<optimized out>) at /usr/src/debug/php-7.0.25/Zend/zend_constants.c:41 #2 0x00005563484bbf85 in _zend_hash_del_el_ex (prev=<optimized out>, p=<optimized out>, idx=<optimized out>, ht=<optimized out>) at /usr/src/debug/php-7.0.25/Zend/zend_hash.c:1025 #3 _zend_hash_del_el (p=0x7f998be85b90, idx=3164, ht=0x55634a3265a0) at /usr/src/debug/php-7.0.25/Zend/zend_hash.c:1049 #4 zend_hash_reverse_apply (ht=0x55634a3265a0, apply_func=apply_func@entry=0x556348497440 <clean_non_persistent_constant>) at /usr/src/debug/php-7.0.25/Zend/zend_hash.c:1631 #5 0x00005563484977c3 in clean_non_persistent_constants () at /usr/src/debug/php-7.0.25/Zend/zend_constants.c:161 #6 0x00005563484997a5 in shutdown_executor () at /usr/src/debug/php-7.0.25/Zend/zend_execute_API.c:347 #7 0x00005563484a9598 in zend_deactivate () at /usr/src/debug/php-7.0.25/Zend/zend.c:985 #8 0x0000556348448411 in php_request_shutdown (dummy=dummy@entry=0x0) at /usr/src/debug/php-7.0.25/main/main.c:1856 #9 0x00005563482e8cde in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/php-7.0.25/sapi/fpm/fpm/fpm_main.c:1995 /var/www/corefiles_storage/core.php-fpm.6071.web138.eta.prod.ed2.etadirect.com.80.1514298742 Crashes are NOT gone if fast_shutdown is set to 0 Increasing interned_strings_buffer to a large values or settign it to zero does not help. Disabling opcache makes crashes go -- Edit bug report at https://bugs.php.net/bug.php?id=75744&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75744&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75744&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75744&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75744&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75744&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75744&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75744&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75744&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75744&r=support Expected behavior: https://bugs.php.net/fix.php?id=75744&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75744&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75744&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75744&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75744&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75744&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75744&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75744&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75744&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75744&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75744&r=mysqlcfg