Bug #78382 [NEW]: Segmentation Violation in opcache

From: bret at aura-software dot com Operating system: Ubuntu 18.04 LTS [Buster] PHP version: 7.3.8 Package: Apache2 related Bug Type: Bug Bug description:Segmentation Violation in opcache Description: ------------ Ubuntu 18.04 patched to the latest version -> php -v PHP 7.3.7-2+ubuntu18.04.1+deb.sury.org+1 (cli) (built: Jul 25 2019 11:44:59) ( NTS ) Copyright (c) 1997-2018 The PHP Group Zend Engine v3.3.7, Copyright (c) 1998-2018 Zend Technologies with Zend OPcache v7.3.7-2+ubuntu18.04.1+deb.sury.org+1, Copyright (c) 1999-2018, by Zend Technologies Server runs for hours or days, then will suddenly begin to stack trace with SIGSEGV. Once it starts, every request causes a core dump and apache has to be restarted. Program terminated with signal SIGSEGV, Segmentation fault. #0 0xf6c93e67 in ?? () from /usr/lib/php/20180731/opcache.so (gdb) bt #0 0xf6c93e67 in ?? () from /usr/lib/php/20180731/opcache.so #1 0xf6c91654 in ?? () from /usr/lib/php/20180731/opcache.so #2 0xf6f63715 in ?? () from /usr/lib/apache2/modules/libphp7.3.so #3 0xf6f9c342 in ?? () from /usr/lib/apache2/modules/libphp7.3.so #4 0xf6fa3019 in execute_ex () from /usr/lib/apache2/modules/libphp7.3.so #5 0xf6fa94e2 in zend_execute () from /usr/lib/apache2/modules/libphp7.3.so #6 0xf6f1731d in zend_execute_scripts () from /usr/lib/apache2/modules/libphp7.3.so #7 0xf6eb6b4c in php_execute_script () from /usr/lib/apache2/modules/libphp7.3.so #8 0xf6fab941 in ?? () from /usr/lib/apache2/modules/libphp7.3.so #9 0x56608237 in ap_run_handler (r=0xeb20a058) at config.c:170 #10 0x56608797 in ap_invoke_handler (r=0xeb20a058) at config.c:434 #11 0x566202f7 in ap_process_async_request (r=0xeb20a058) at http_request.c:436 #12 0x566204af in ap_process_request (r=0xeb20a058) at http_request.c:471 #13 0x5661c4dc in ap_process_http_sync_connection (c=0xf6c001f8) at http_core.c:210 #14 ap_process_http_connection (c=0xf6c001f8) at http_core.c:251 #15 0x56611fb7 in ap_run_process_connection (c=0xf6c001f8) at connection.c:42 #16 0x566125c3 in ap_process_connection (c=<optimized out>, csd=0xf6c00058) at connection.c:226 #17 0xf7bb1bd2 in child_main (child_num_arg=child_num_arg@entry=9, child_bucket=child_bucket@entry=0) at prefork.c:615 #18 0xf7bb1dee in make_child (s=<optimized out>, slot=9) at prefork.c:717 #19 0xf7bb2860 in perform_idle_server_maintenance (p=<optimized out>) at prefork.c:821 #20 prefork_run (_pconf=0xf7fa1018, plog=0xf7c27018, s=0xf7c23f38) at prefork.c:1014 #21 0x565eb19f in ap_run_mpm (pconf=0xf7fa1018, plog=0xf7c27018, s=0xf7c23f38) at mpm_common.c:94 #22 0x565e36bd in main (argc=<optimized out>, argv=<optimized out>) at main.c:818 Phpinfo: Build Date Jul 25 2019 11:44:59 Server API Apache 2.0 Handler Virtual Directory Support disabled Configuration File (php.ini) Path /etc/php/7.3/apache2 Loaded Configuration File /etc/php/7.3/apache2/php.ini Scan this dir for additional .ini files /etc/php/7.3/apache2/conf.d Additional .ini files parsed /etc/php/7.3/apache2/conf.d/10-mysqlnd.ini, /etc/php/7.3/apache2/conf.d/10-opcache.ini, /etc/php/7.3/apache2/conf.d/10-pdo.ini, /etc/php/7.3/apache2/conf.d/15-xml.ini, /etc/php/7.3/apache2/conf.d/20-calendar.ini, /etc/php/7.3/apache2/conf.d/20-ctype.ini, /etc/php/7.3/apache2/conf.d/20-curl.ini, /etc/php/7.3/apache2/conf.d/20-dom.ini, /etc/php/7.3/apache2/conf.d/20-exif.ini, /etc/php/7.3/apache2/conf.d/20-fileinfo.ini, /etc/php/7.3/apache2/conf.d/20-ftp.ini, /etc/php/7.3/apache2/conf.d/20-gd.ini, /etc/php/7.3/apache2/conf.d/20-gettext.ini, /etc/php/7.3/apache2/conf.d/20-iconv.ini, /etc/php/7.3/apache2/conf.d/20-json.ini, /etc/php/7.3/apache2/conf.d/20-mbstring.ini, /etc/php/7.3/apache2/conf.d/20-mysqli.ini, /etc/php/7.3/apache2/conf.d/20-pdo_mysql.ini, /etc/php/7.3/apache2/conf.d/20-phar.ini, /etc/php/7.3/apache2/conf.d/20-posix.ini, /etc/php/7.3/apache2/conf.d/20-readline.ini, /etc/php/7.3/apache2/conf.d/20-shmop.ini, /etc/php/7.3/apache2/conf.d/20-simplexml.ini, /etc/php/7.3/apache2/conf.d/20-sockets.ini, /etc/php/7.3/apache2/conf.d/20-sysvmsg.ini, /etc/php/7.3/apache2/conf.d/20-sysvsem.ini, /etc/php/7.3/apache2/conf.d/20-sysvshm.ini, /etc/php/7.3/apache2/conf.d/20-tokenizer.ini, /etc/php/7.3/apache2/conf.d/20-wddx.ini, /etc/php/7.3/apache2/conf.d/20-xmlreader.ini, /etc/php/7.3/apache2/conf.d/20-xmlwriter.ini, /etc/php/7.3/apache2/conf.d/20-xsl.ini, /etc/php/7.3/apache2/conf.d/20-zip.ini PHP API 20180731 PHP Extension 20180731 Zend Extension 320180731 Zend Extension Build API320180731,NTS PHP Extension Build API20180731,NTS Debug Build no Thread Safety disabled Zend Signal Handling enabled Zend Memory Manager enabled Zend Multibyte Support provided by mbstring IPv6 Support enabled DTrace Support available, disabled Registered PHP Streams https, ftps, compress.zlib, php, file, glob, data, http, ftp, phar, zip Registered Stream Socket Transports tcp, udp, unix, udg, ssl, tls, tlsv1.0, tlsv1.1, tlsv1.2 Registered Stream Filters zlib.*, string.rot13, string.toupper, string.tolower, string.strip_tags, convert.*, consumed, dechunk, convert.iconv.* Opcache Settings Zend OPcache Opcode Caching Up and Running Optimization Enabled SHM Cache Enabled File Cache Disabled Startup OK Shared memory model mmap Cache hits 1716703 Cache misses 1438 Used memory 49426520 Free memory 84791208 Wasted memory 0 Interned Strings Used memory 6142312 Interned Strings Free memory 148884 Cached scripts 1438 Cached keys 1628 Max keys 16229 OOM restarts 0 Hash keys restarts 0 Manual restarts 0 Directive Local Value Master Value opcache.blacklist_filename no value no value opcache.consistency_checks 0 0 opcache.dups_fix Off Off opcache.enable On On opcache.enable_cli Off Off opcache.enable_file_override Off Off opcache.error_log no value no value opcache.file_cache no value no value opcache.file_cache_consistency_checks 1 1 opcache.file_cache_only 0 0 opcache.file_update_protection 2 2 opcache.force_restart_timeout 180 180 opcache.huge_code_pages Off Off opcache.interned_strings_buffer 8 8 opcache.lockfile_path /tmp /tmp opcache.log_verbosity_level 1 1 opcache.max_accelerated_files 10000 10000 opcache.max_file_size 0 0 opcache.max_wasted_percentage 5 5 opcache.memory_consumption 128 128 opcache.opt_debug_level 0 0 opcache.optimization_level 0x7FFEBFFF 0x7FFEBFFF opcache.preferred_memory_model no value no value opcache.protect_memory 0 0 opcache.restrict_api no value no value opcache.revalidate_freq 2 2 opcache.revalidate_path Off Off opcache.save_comments 1 1 opcache.use_cwd On On opcache.validate_permission Off Off opcache.validate_root Off Off opcache.validate_timestamps On On -- Edit bug report at https://bugs.php.net/bug.php?id=78382&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=78382&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78382&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78382&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78382&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78382&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78382&r=support Expected behavior: https://bugs.php.net/fix.php?id=78382&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78382&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78382&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78382&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=78382&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=78382&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78382&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78382&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78382&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78382&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78382&r=mysqlcfg