#34883 [Opn->Fbk]: crash when accessing superglobals

ID: 34883 Updated by: tony2001@php.net Reported By: sveta at microbecal dot com -Status: Open +Status: Feedback Bug Type: Apache2 related Operating System: Windows XP SP1 PHP Version: 5CVS-2005-10-16 (snap) New Comment: Please try using this CVS snapshot: http://snaps.php.net/php5-latest.tar.gz For Windows: http://snaps.php.net/win32/php5-win32-latest.zip Please try next Win32 snapshot. Previous Comments: ------------------------------------------------------------------------ [2005-10-18 13:20:49] sveta at microbecal dot com I can reproduce crash with php.ini-recommended. But I can not reproduce backtrace "that starts somewhere in PHP". ------------------------------------------------------------------------ [2005-10-18 13:07:25] tony2001@php.net Are you able to reproduce it without php_mime_magic.dll loaded ? ------------------------------------------------------------------------ [2005-10-18 12:45:13] sveta at microbecal dot com PHP Version 5.1.0RC4-dev Build Date Oct 18 2005 04:22:53 Sorry, not clean php.ini To recreate somitimes I am reloading page 2-3 times after server restarting. (gdb) run -X Starting program: /cygdrive/d/Program Files/Apache Group/Apache2/bin/Apache.exe -X ---Type <return> to continue, or q <return> to quit--- ---Type <return> to continue, or q <return> to quit--- ---Type <return> to continue, or q <return> to quit--- ---Type <return> to continue, or q <return> to quit--- Program received signal SIGSEGV, Segmentation fault. [Switching to thread 2088.0x924] 0x00b7d22f in php_info_print_hr () (gdb) bt #0 0x00b7d22f in php_info_print_hr () #1 0x01fa9e90 in ?? () #2 0x05e7f8dc in ?? () #3 0x01a31107 in php_mime_magic!get_module () from /cygdrive/d/Program Files/PHP4/ext/php_mime_magic.dll #4 0x00000002 in ?? () #5 0x01a34338 in php_mime_magic!get_module () #6 0xbaadf00d in ?? () #7 0x00b7cb3e in php_output_startup () #8 0x0208b590 in ?? () #9 0x01fa9e90 in ?? () #10 0x0208b548 in ?? () #11 0x00aa9c45 in zend_hash_apply_with_argument () from /cygdrive/d/Program Files/PHP4/php5ts.dll #12 0x05e7f974 in ?? () #13 0x01fa9e90 in ?? () #14 0x01fa9e90 in ?? () #15 0x000000ff in ?? () #16 0x0634ad00 in ?? () #17 0x00c8c49f in php5ts!lex_scan () #18 0x05e7f9a0 in ?? () #19 0x00b7cb00 in php_output_startup () #20 0x05e7f974 in ?? () #21 0x01fa9e90 in ?? () ---Type <return> to continue, or q <return> to quit--- #22 0x00000000 in ?? () from ------------------------------------------------------------------------ [2005-10-18 12:18:27] tony2001@php.net Works fine with Apache2 on linux. Any chance to get the real backtrace (that starts somewhere in PHP)? ------------------------------------------------------------------------ [2005-10-16 13:30:44] sveta at microbecal dot com Description: ------------ Apache 2 craches when I navigate to the page containing request to superglobals Reproduce code: --------------- <?php phpinfo(); ?> Expected result: ---------------- Correct work Actual result: -------------- Page with info information and next backtrace: (gdb) run -X The program being debugged has been started already. Start it from the beginning? (y or n) y Starting program: /cygdrive/d/Program Files/Apache Group/Apache2/bin/Apache.exe -X ---Type <return> to continue, or q <return> to quit--- Program received signal SIGSEGV, Segmentation fault. [Switching to thread 2276.0xee0] 0x7801b674 in TowerExplode () from /cygdrive/c/WINDOWS/system32/rpcrt4.dll (gdb) bt #0 0x7801b674 in TowerExplode () from /cygdrive/c/WINDOWS/system32/rpcrt4.dll #1 0x77dd8de5 in ElfNumberOfRecords () from /cygdrive/c/WINDOWS/system32/advapi32.dll #2 0x77ded830 in CredWriteA () from /cygdrive/c/WINDOWS/system32/advapi32.dll #3 0x77dd8d9b in DestroyPrivateObjectSecurity () from /cygdrive/c/WINDOWS/system32/advapi32.dll #4 0x00000000 in ?? () from (gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. 0x7801b674 in TowerExplode () from /cygdrive/c/WINDOWS/system32/rpcrt4.dll (gdb) bt #0 0x7801b674 in TowerExplode () from /cygdrive/c/WINDOWS/system32/rpcrt4.dll #1 0x77dd8de5 in ElfNumberOfRecords () from /cygdrive/c/WINDOWS/system32/advapi32.dll #2 0x77ded830 in CredWriteA () from /cygdrive/c/WINDOWS/system32/advapi32.dll #3 0x77dd8d9b in DestroyPrivateObjectSecurity () from /cygdrive/c/WINDOWS/system32/advapi32.dll #4 0x00000000 in ?? () from (gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. [Switching to thread 2276.0xa18] 0x7801b674 in TowerExplode () from /cygdrive/c/WINDOWS/system32/rpcrt4.dll (gdb) bt #0 0x7801b674 in TowerExplode () from /cygdrive/c/WINDOWS/system32/rpcrt4.dll #1 0x77dd8de5 in ElfNumberOfRecords () from /cygdrive/c/WINDOWS/system32/advapi32.dll #2 0x77ded830 in CredWriteA () from /cygdrive/c/WINDOWS/system32/advapi32.dll #3 0x77dd8d9b in DestroyPrivateObjectSecurity () from /cygdrive/c/WINDOWS/system32/advapi32.dll #4 0x00000000 in ?? () from (gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. [Switching to thread 2276.0xee0] 0x10003383 in TurnOnPreHandle () (gdb) bt #0 0x10003383 in TurnOnPreHandle () #1 0x00000005 in ?? () #2 0x010631b4 in ?? () #3 0x011c2ad8 in ?? () #4 0xbaadf00d in ?? () #5 0xbaadf00d in ?? () #6 0xbaadf00d in ?? () #7 0xbaadf00d in ?? () #8 0xbaadf00d in ?? () #9 0xbaadf00d in ?? () #10 0xbaadf00d in ?? () #11 0xbaadf00d in ?? () #12 0xbaadf00d in ?? () #13 0xbaadf00d in ?? () #14 0xbaadf00d in ?? () #15 0xbaadf00d in ?? () #16 0xbaadf00d in ?? () #17 0xbaadf00d in ?? () #18 0xbaadf00d in ?? () #19 0xbaadf00d in ?? () #20 0x011bc248 in ?? () #21 0x6eed0cbf in libapr!_apr_array_pop@4 () from /cygdrive/d/Program Files/Apache Group/Apache2/bin/libapr.dll #22 0x011bc248 in ?? () #23 0x00000008 in ?? () #24 0x00000004 in ?? () #25 0x00000002 in ?? () #26 0x00000002 in ?? () #27 0x6eed0c8e in libapr!_apr_array_pop@4 () from /cygdrive/d/Program Files/Apache Group/Apache2/bin/libapr.dll #28 0x009e36c8 in ?? () #29 0x011c2ad8 in ?? () #30 0x00000000 in ?? () from (gdb) ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=34883&edit=1