Bug #69816 [Fbk]: SIGSEGV in zend_hash_index_find_bucket

Edit report at https://bugs.php.net/bug.php?id=69816&edit=1 ID: 69816 Updated by: laruence@php.net Reported by: filip at prochazka dot su Summary: SIGSEGV in zend_hash_index_find_bucket Status: Feedback Type: Bug Package: Reproducible crash Operating System: Linux PHP Version: 7.0.0alpha1 Block user comment: N Private report: N New Comment: or please use bt --full ... and paste out the result. Previous Comments: ------------------------------------------------------------------------ [2015-06-13 00:24:23] laruence@php.net are you about to give me a ssh access to your reproducible box(via mail)? thanks ------------------------------------------------------------------------ [2015-06-12 23:59:58] filip at prochazka dot su Description: ------------ I just compiled the 7.0.0alpha1 Configure Command => './configure' '--with-openssl' '--with-kerberos' '--with-zlib' '--with-bz2' '--with-curl' '--enable-dba' '--enable-ftp' '--with-gd' '--with-jpeg-dir=/usr/include' '--with-png-dir=/usr/include' '--with-zlib-dir=/usr/include' '--with-xpm-dir=/usr/include' '--with-freetype-dir=/usr/lib' '--enable-gd-native-ttf' '--with-gettext' '--with-mhash' '--with-imap' '--with-imap-ssl' '--enable-mbstring' '--with-mcrypt' '--with-mysqli=mysqlnd' '--with-pdo-mysql=mysqlnd' '--with-pdo-pgsql' '--with-pgsql' '--enable-shmop' '--enable-soap' '--enable-sockets' '--with-readline' '--enable-sysvmsg' '--with-tidy' '--with-xmlrpc' '--with-xsl' '--enable-zip' '--enable-intl' '--enable-fpm' '--enable-pcntl' '--enable-bcmath' '--with-gmp' '--prefix=/usr/php/7.0.0alpha1/' '--enable-phpdbg' '--enable-debug' '--without-pear' and tried running our application. I'm not sure how to isolate the crashing code. Actual result: -------------- $ gdb /usr/php/7.0.0alpha1/sbin/php-fpm /tmp/core-php-fpm.16589 GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1 This GDB was configured as "x86_64-linux-gnu". Reading symbols from /usr/php/7.0.0alpha1/sbin/php-fpm...done. [New LWP 16589] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `php-fpm: pool www '. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0000000000ae3517 in zend_hash_index_find_bucket (ht=0x7f2e1b7066c0, h=0) at /opt/php-7.0.0alpha1/Zend/zend_hash.c:464 464 idx = HT_HASH_EX(arData, nIndex); (gdb) bt #0 0x0000000000ae3517 in zend_hash_index_find_bucket (ht=0x7f2e1b7066c0, h=0) at /opt/php-7.0.0alpha1/Zend/zend_hash.c:464 #1 0x0000000000ae7a18 in zend_hash_index_exists (ht=0x7f2e1b7066c0, h=0) at /opt/php-7.0.0alpha1/Zend/zend_hash.c:1935 #2 0x00000000008f8c91 in zif_array_key_exists (execute_data=0x7f2e1c218a20, return_value=0x7f2e1c2185f0) at /opt/php-7.0.0alpha1/ext/standard/array.c:5009 #3 0x0000000000b2a747 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER () at /opt/php-7.0.0alpha1/Zend/zend_vm_execute.h:692 #4 0x0000000000b29bab in execute_ex (ex=0x7f2e1c216010) at /opt/php-7.0.0alpha1/Zend/zend_vm_execute.h:394 #5 0x0000000000ab8c79 in zend_call_function (fci=0x7fff346aff60, fci_cache=0x7fff346aff30) at /opt/php-7.0.0alpha1/Zend/zend_execute_API.c:841 #6 0x00000000008fe9a8 in zif_call_user_func_array (execute_data=0x7f2e1c215f90, return_value=0x7f2e1c215e90) at /opt/php-7.0.0alpha1/ext/standard/basic_functions.c:4805 #7 0x0000000000b2a747 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER () at /opt/php-7.0.0alpha1/Zend/zend_vm_execute.h:692 #8 0x0000000000b29bab in execute_ex (ex=0x7f2e1c215030) at /opt/php-7.0.0alpha1/Zend/zend_vm_execute.h:394 #9 0x0000000000b29cbe in zend_execute (op_array=0x7f2e1c273000, return_value=0x0) at /opt/php-7.0.0alpha1/Zend/zend_vm_execute.h:434 #10 0x0000000000ad0a73 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /opt/php-7.0.0alpha1/Zend/zend.c:1389 #11 0x0000000000a3df50 in php_execute_script (primary_file=0x7fff346b2520) at /opt/php-7.0.0alpha1/main/main.c:2475 #12 0x0000000000ba03b3 in main (argc=3, argv=0x7fff346b4ca8) at /opt/php-7.0.0alpha1/sapi/fpm/fpm/fpm_main.c:1940 (gdb) frame 4 #4 0x0000000000b29bab in execute_ex (ex=0x7f2e1c216010) at /opt/php-7.0.0alpha1/Zend/zend_vm_execute.h:394 394 if (UNEXPECTED((ret = ((opcode_handler_t)OPLINE->handler)(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU)) != 0)) { (gdb) frame 3 #3 0x0000000000b2a747 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER () at /opt/php-7.0.0alpha1/Zend/zend_vm_execute.h:692 692 fbc->internal_function.handler(call, ret); (gdb) frame 2 #2 0x00000000008f8c91 in zif_array_key_exists (execute_data=0x7f2e1c218a20, return_value=0x7f2e1c2185f0) at /opt/php-7.0.0alpha1/ext/standard/array.c:5009 5009 if (zend_hash_index_exists(array, Z_LVAL_P(key))) { (gdb) frame 1 #1 0x0000000000ae7a18 in zend_hash_index_exists (ht=0x7f2e1b7066c0, h=0) at /opt/php-7.0.0alpha1/Zend/zend_hash.c:1935 1935 p = zend_hash_index_find_bucket(ht, h); ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=69816&edit=1