Bug #74880 [Com]: libc deadlock in fuxes when malloc

Edit report at https://bugs.php.net/bug.php?id=74880&edit=1 ID: 74880 Comment by: 1070027374 at qq dot com Reported by: 1070027374 at qq dot com Summary: libc deadlock in fuxes when malloc Status: Open Type: Bug Package: Scripting Engine problem Operating System: Linux 10.75.30.141 2.6.32-220.13 PHP Version: 7.0.21 Block user comment: N Private report: N New Comment: CentOS release 6.2 (Final) Previous Comments: ------------------------------------------------------------------------ [2017-07-08 02:10:48] 1070027374 at qq dot com Description: ------------ PHP 7.0.19 (cli) (built: Jun 23 2017 14:17:30) ( NTS ) Copyright (c) 1997-2017 The PHP Group Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies with Zend OPcache v7.0.19, Copyright (c) 1999-2017, by Zend Technologies [root@10 phplogs]# pstack 4394 #0 0x0000003ec76f4e6e in __lll_lock_wait_private () from /lib64/libc.so.6 #1 0x0000003ec767b914 in _L_lock_5003 () from /lib64/libc.so.6 #2 0x0000003ec7677762 in _int_free () from /lib64/libc.so.6 #3 0x00007fb5889bbcca in php_error_cb () from /data1/apache2/modules/libphp7.so #4 0x00007fb5889bc8fd in zend_error_noreturn () from /data1/apache2/modules/libphp7.so #5 0x00007fb588d5e070 in zend_timeout () from /data1/apache2/modules/libphp7.so #6 <signal handler called> #7 0x0000003ec7678420 in _int_malloc () from /lib64/libc.so.6 #8 0x0000003ec767948d in malloc () from /lib64/libc.so.6 #9 0x00007fb5814c70bd in operator new(unsigned long) () from /usr/lib64/libstdc++.so.6 #10 0x00007fb580fd336d in std::vector<RuleInNode, std::allocator<RuleInNode> >::_M_insert_aux(__gnu_cxx::__normal_iterator<RuleInNode*, std::vector<RuleInNode, std::allocator<RuleInNode> > >, RuleInNode const&) () from /usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/KWordFilter.so #11 0x00007fb580fd2bc2 in ParseRule::load_rule_and_state(ACautomaton*, Dict*) () from /usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/KWordFilter.so #12 0x00007fb580fd18ad in Connector::init(char const*, char const*) () from /usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/KWordFilter.so #13 0x00007fb580fd02f5 in MinitAll () from /usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/KWordFilter.so #14 0x00007fb580fd067f in zif_KWordFilter () from /usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/KWordFilter.so #15 0x00007fb588dd3938 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER () from /data1/apache2/modules/libphp7.so #16 0x00007fb588dacc40 in execute_ex () from /data1/apache2/modules/libphp7.so #17 0x00007fb588d5ec95 in zend_call_function () from /data1/apache2/modules/libphp7.so #18 0x00007fb588d8bdc7 in zend_call_method () from /data1/apache2/modules/libphp7.so #19 0x00007fb5807560fc in yaf_dispatcher_handle () from /usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/yaf.so #20 0x00007fb5807577a8 in yaf_dispatcher_dispatch () from /usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/yaf.so #21 0x00007fb5807521b3 in zim_yaf_application_run () from /usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/yaf.so #22 0x00007fb588dd44b8 in ZEND_DO_FCALL_SPEC_HANDLER () from /data1/apache2/modules/libphp7.so #23 0x00007fb588dacc40 in execute_ex () from /data1/apache2/modules/libphp7.so #24 0x00007fb588e0074b in zend_execute () from /data1/apache2/modules/libphp7.so #25 0x00007fb588d6cf23 in zend_execute_scripts () from /data1/apache2/modules/libphp7.so #26 0x00007fb588d0f370 in php_execute_script () from /data1/apache2/modules/libphp7.so #27 0x00007fb588e046b5 in php_handler () from /data1/apache2/modules/libphp7.so #28 0x0000000000452c50 in ap_run_handler () #29 0x0000000000456f6e in ap_invoke_handler () #30 0x000000000046a81a in ap_process_async_request () #31 0x000000000046a97f in ap_process_request () #32 0x0000000000466a15 in ap_process_http_connection () #33 0x000000000045de00 in ap_run_process_connection () #34 0x000000000047141a in child_main () #35 0x0000000000471640 in make_child () #36 0x0000000000472008 in prefork_run () #37 0x0000000000434f4e in ap_run_mpm () #38 0x000000000042e534 in main () ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=74880&edit=1