#23314 [NEW]: session_start() plus "Warning:" causes apache 1.3.27 segfault

From: nicola dot fankhauser at variant dot ch Operating system: linux 2.4.20 PHP version: 4.3.1 PHP Bug Type: Session related Bug description: session_start() plus "Warning:" causes apache 1.3.27 segfault hello I am using php 4.3.2rc1 (4.3.1 was tested too) and apache 1.3.27 - it crashes on me reproducibly when calling session_start() and then provoking a mere "Warning:" in a script: doesn't work: --- session_start(); $file = file('nix'); --- but this works: --- $file = file('nix'); --- apache error log: --- /var/www/nrmag/includes/util.inc.php(48) : Warning - file(pass.xml) [<a href='http://www.php.net/function.file'>function.file</a>]: failed to open stream: No such file or directory [Wed Apr 23 12:20:55 2003] [notice] child pid 1911 exit signal Segmentation fault (11) --- a gdb backtrace shows this: --- #0 0x4013901b in memcpy () from /lib/libc.so.6 #1 0x402c2687 in smart_str_appendl_ex (dest=0xbffff06c, src=0x0, len=134960688, what=0) at /home/nikee/php-4.3.2RC1/ext/standard/php_smart_str.h:76 #2 0x402c2962 in php_var_serialize_class_name (buf=0xbffff06c, struc=0x810c4b8) at /home/nikee/php-4.3.2RC1/ext/standard/var.c:420 #3 0x402c2060 in php_var_serialize_intern (buf=0xbffff06c, struc=0x810c4b8, var_hash=0xbffff040) at /home/nikee/php-4.3.2RC1/ext/standard/var.c:560 #4 0x402c21c7 in php_var_serialize_intern (buf=0xbffff06c, struc=0x810d428, var_hash=0xbffff040) at /home/nikee/php-4.3.2RC1/ext/standard/var.c:598 #5 0x402c21c7 in php_var_serialize_intern (buf=0xbffff06c, struc=0x817b868, var_hash=0xbffff040) at /home/nikee/php-4.3.2RC1/ext/standard/var.c:598 #6 0x402c21c7 in php_var_serialize_intern (buf=0xbffff06c, struc=0x817ba90, var_hash=0xbffff040) at /home/nikee/php-4.3.2RC1/ext/standard/var.c:598 #7 0x402c224f in php_var_serialize (buf=0xbffff06c, struc=0x817ba90, var_hash=0xbffff040) at /home/nikee/php-4.3.2RC1/ext/standard/var.c:612 #8 0x4026012f in ps_srlzr_encode_php (newstr=0xbffff0a4, newlen=0xbffff0d8) at /home/nikee/php-4.3.2RC1/ext/session/session.c:440 #9 0x402606db in php_session_encode (newlen=0xbffff0d8) at /home/nikee/php-4.3.2RC1/ext/session/session.c:522 #10 0x40260e96 in php_session_save_current_state () at /home/nikee/php-4.3.2RC1/ext/session/session.c:683 #11 0x40263f90 in php_session_flush () at /home/nikee/php-4.3.2RC1/ext/session/session.c:1588 #12 0x40263fdc in zm_deactivate_session (type=1, module_number=4) at /home/nikee/php-4.3.2RC1/ext/session/session.c:1602 #13 0x4033f483 in module_registry_cleanup (module=0x80ab108) at /home/nikee/php-4.3.2RC1/Zend/zend_API.c:1167 #14 0x40342577 in zend_hash_apply (ht=0x4039d680, apply_func=0x4033f438 <module_registry_cleanup>) at /home/nikee/php-4.3.2RC1/Zend/zend_hash.c:688 #15 0x4033b669 in zend_deactivate_modules () at /home/nikee/php-4.3.2RC1/Zend/zend.c:634 #16 0x402ffa0c in php_request_shutdown (dummy=0x0) at /home/nikee/php-4.3.2RC1/main/main.c:983 #17 0x40354708 in apache_php_module_main (r=0x80eabb4, display_source_mode=0) at /home/nikee/php-4.3.2RC1/sapi/apache/sapi_apache.c:61 #18 0x40355700 in send_php (r=0x80eabb4, display_source_mode=0, filename=0x80ec6a4 "/var/www/dom.php") at /home/nikee/php-4.3.2RC1/sapi/apache/mod_php4.c:617 #19 0x4035577f in send_parsed_php (r=0x80eabb4) at /home/nikee/php-4.3.2RC1/sapi/apache/mod_php4.c:632 #20 0x08053b34 in ap_invoke_handler () #21 0x0806368c in ap_some_auth_required () #22 0x080636e8 in ap_process_request () #23 0x0805ce2b in ap_child_terminate () #24 0x0805cfbc in ap_child_terminate () #25 0x0805d0d9 in ap_child_terminate () #26 0x0805d5b5 in ap_child_terminate () #27 0x0805dcbd in main () #28 0x400dfa51 in __libc_start_main () from /lib/libc.so.6 --- my confiure line: --- './configure' '--with-dom' '--with-zlib' '--with-mysql' '--with-apxs' '--enable-debug' --- This bug _may_ be a duplicate of Bug #22425 (session_start() causes apache segfault/crash) - but here is a backtrace... :) If you need more info about my system, contact me please. thanks & regards nicola -- Edit bug report at http://bugs.php.net/?id=23314&edit=1 -- Try a CVS snapshot: http://bugs.php.net/fix.php?id=23314&r=trysnapshot Fixed in CVS: http://bugs.php.net/fix.php?id=23314&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=23314&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=23314&r=needtrace Try newer version: http://bugs.php.net/fix.php?id=23314&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=23314&r=support Expected behavior: http://bugs.php.net/fix.php?id=23314&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=23314&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=23314&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=23314&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=23314&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=23314&r=dst IIS Stability: http://bugs.php.net/fix.php?id=23314&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=23314&r=gnused