#35216 [NEW]: segfault using db3

From: 0602 at eq dot cz Operating system: Linux PHP version: 4.4.1 PHP Bug Type: Reproducible crash Bug description: segfault using db3 Description: ------------ Segfault using db3 with php version 4.4.1 (and snapshot php4-STABLE-200511141355) as module for apache (no problems with cli). Reproduce code: --------------- <? $db = 'data/hereshow.db'; $id = dba_open($db, 'n', 'db3'); if(!$id) { exit('Could not open database '.$db); } $key = time(); if(!dba_insert($key, 'Time in seconds', $id)) { dba_close($id); exit('Could not update database'.$db); } else { echo 'Successfully updated database with key = '.$key.'<br/>'; } if(($value = dba_fetch($key,$id))) { echo 'Found key '.$key.' with value '.$value.'<br/>'; } else { echo 'Could not find key '.$key.'<br/>'; } dba_close($id); ?> Expected result: ---------------- Correct hereshow.db db file in data directory. Actual result: -------------- The file hereshow.db is created and is empty (size 0). The process segfaults. The backtrace is the same for 4.4.1 and 200511141355: (gdb) bt #0 0x00317a7b in __dbenv_get_errfile () from /lib/libdb-4.2.so #1 0x00308bf9 in __dbh_am_chk () from /lib/libdb-4.2.so #2 0x006848b8 in dba_open_db3 () from /usr/local/lib/php/libphp4.so #3 0x00681f7f in php_dba_find () from /usr/local/lib/php/libphp4.so #4 0x00682aec in zif_dba_open () from /usr/local/lib/php/libphp4.so #5 0x00806d87 in execute () from /usr/local/lib/php/libphp4.so #6 0x007f388f in zend_execute_scripts () from /usr/local/lib/php/libphp4.so #7 0x007be18f in php_execute_script () from /usr/local/lib/php/libphp4.so #8 0x0080ccc6 in execute () from /usr/local/lib/php/libphp4.so #9 0x08068026 in ap_run_handler (r=0x819e170) at config.c:152 #10 0x080685c8 in ap_invoke_handler (r=0x819e170) at config.c:364 #11 0x0806554f in ap_process_request (r=0x819e170) at http_request.c:249 #12 0x08060ec9 in ap_process_http_connection (c=0x8198078) at http_core.c:251 #13 0x08071186 in ap_run_process_connection (c=0x8198078) at connection.c:43 #14 0x080669d8 in child_main (child_num_arg=6833920) at prefork.c:610 #15 0x08066b8e in make_child (s=0x80a0ed0, slot=0) at prefork.c:650 #16 0x08066bff in startup_children (number_to_start=1) at prefork.c:722 #17 0x08067379 in ap_mpm_run (_pconf=0x809f0f0, plog=0x80cb1a0, s=0x1) at prefork.c:941 #18 0x0806cbc8 in main (argc=2, argv=0xbfffdbb4) at main.c:618 # ldd httpd [...] libdb-4.2.so => /lib/libdb-4.2.so (0x00289000) [...] # ldd libphp4.so [...] libdb-3.3.so => /lib/libdb-3.3.so (0x00761000) [...] *NO* problems with the following httpd (different os version (older) - httpd linked against different libdb; same version of apache and php on both oses): # ldd httpd [...] libdb-3.3.so => /lib/libdb-3.3.so (0x00275000) [...] PHP was configured with "--with-db3". This libdb versions are installed on affected system: db3-3.3.11, db4-4.2.52. -- Edit bug report at http://bugs.php.net/?id=35216&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=35216&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=35216&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=35216&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=35216&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=35216&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=35216&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=35216&r=needscript Try newer version: http://bugs.php.net/fix.php?id=35216&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=35216&r=support Expected behavior: http://bugs.php.net/fix.php?id=35216&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=35216&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=35216&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=35216&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35216&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=35216&r=dst IIS Stability: http://bugs.php.net/fix.php?id=35216&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=35216&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=35216&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=35216&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=35216&r=mysqlcfg