Re: Bug #15419 Updated: ibase_close problem

On 24 Mar 2002 daniela@php.net wrote: > ID: 15419 > Updated by: daniela@php.net > Reported By: p.grabowski@firma.2p.pl > -Status: No Feedback > +Status: Closed > Bug Type: InterBase related > Operating System: linux red hat > PHP Version: 4.1.1 > New Comment: > > The ibase_connect() create a connection that will be close > automatically at the end of your script. > If you want to end it "manually" you have to 'free' the query too. > > Try this : > ...... > ibase_free_result($q); > ibase_close($dbc1); hmmm... I think it should not be possible to crash PHP with this. Would there be a way to prevent this? Derick > > > > > > > Previous Comments: > ------------------------------------------------------------------------ > > [2002-03-12 14:00:13] haystd@myrealbox.com > > I can reproduce this as well. All is fine if the ibase_close call is > removed. It is a "Segmentation Fault" according to the Apache > error_log. (Could this be related to BUG 15940?) Here is the debugging > info: > > Program received signal SIGSEGV, Segmentation fault. > 0x4019c07c in memcpy () from /lib/i686/libc.so.6 > > #0 0x4019c07c in memcpy () from /lib/i686/libc.so.6 > #1 0x00000018 in ?? () > #2 0x4003e564 in gds__msg_format () from /opt/interbase/lib/libgds.so > #3 0x4003e1c8 in gds__interprete () from /opt/interbase/lib/libgds.so > #4 0x40038ab3 in isc_interprete () from /opt/interbase/lib/libgds.so > #5 0x0808315a in _php_ibase_error () at interbase.c:268 > #6 0x08083477 in _php_ibase_free_result (rsrc=0x82151a4) at > interbase.c:388 > #7 0x081214f7 in list_entry_destructor (ptr=0x82151a4) at > zend_list.c:177 > #8 0x0811f775 in zend_hash_del_key_or_index (ht=0x81c8e64, arKey=0x0, > nKeyLength=0, h=2, flag=1) at zend_hash.c:512 > #9 0x08121281 in _zend_list_delete (id=2) at zend_list.c:56 > #10 0x0811906d in _zval_dtor (zvalue=0x8215164, > __zend_filename=0x8191cdc "zend_execute_API.c", __zend_lineno=274) > at zend_variables.c:64 > #11 0x08110e4a in _zval_ptr_dtor (zval_ptr=0x8215910, > __zend_filename=0x81925b3 "zend_variables.c", __zend_lineno=192) > at zend_execute_API.c:274 > #12 0x0811939f in _zval_ptr_dtor_wrapper (zval_ptr=0x8215910) > at zend_variables.c:192 > #13 0x0811f895 in zend_hash_destroy (ht=0x81c8d48) at zend_hash.c:541 > #14 0x08110b4a in shutdown_executor () at zend_execute_API.c:173 > #15 0x0811a1aa in zend_deactivate () at zend.c:600 > #16 0x0807acdc in php_request_shutdown (dummy=0x0) at main.c:735 > #17 0x08125c5a in apache_php_module_main (r=0x820859c, > display_source_mode=0) > at sapi_apache.c:96 > #18 0x0807843c in send_php () > #19 0x08078495 in send_parsed_php () > #20 0x081471e3 in ap_invoke_handler () > #21 0x0815b3c3 in process_request_internal () > #22 0x0815b424 in ap_process_request () > #23 0x0815288d in child_main () > #24 0x08152a38 in make_child () > #25 0x08152bac in startup_children () > #26 0x08153224 in standalone_main () > #27 0x08153a77 in main () > #28 0x4012f627 in __libc_start_main (main=0x81536e0 <main>, argc=2, > ubp_av=0xbffffb94, init=0x8060014 <_init>, fini=0x8169c00 <_fini>, > rtld_fini=0x4000dcc4 <_dl_fini>, stack_end=0xbffffb8c) > at ../sysdeps/generic/libc-start.c:129 > > PHP configured with: > ./configure --without-mysql --with-apache=../apache_1.3.22/ > --enable-track-vars --with-interbase=/opt/interbase --enable-debug > > Apache configured with: > ./configure --prefix=/usr/local/apache > --activate-module=src/modules/php4/libphp4.a > > Firebase version: FirebirdSS-1.0.0.681-0.RC2 > OS: RedHat 7.2 (Intel) > Kernel: 2.4.17 (from kernel.org no patches) > Libc: 2.2.4 > GCC: 2.96 20000731 (Red Hat Linux 7.1 2.96-98) > PHP: 4.1.2 > > ------------------------------------------------------------------------ > > [2002-03-08 00:00:05] php-bugs@lists.php.net > > No feedback was provided for this bug for over a month, so it is > being suspended automatically. If you are able to provide the > information that was originally requested, please do so and change > the status of the bug back to "Open". > > ------------------------------------------------------------------------ > > [2002-02-14 06:52:06] markus@colorplaza.com > > We experienced this same bug. I tested it in RH 7.2 with IB 6. > We run the same script from command line and got: Segmentation fault > > when I comment ibase_close($db) out the script works fine. > > ------------------------------------------------------------------------ > > [2002-02-07 03:17:27] mfischer@php.net > > Can look up in your apache log if you get a segfault or some similar > crash, and if so can you please provide a backtrace > (http://bugs.php.net/?id=15419&edit=1) ? > > ------------------------------------------------------------------------ > > [2002-02-07 02:55:13] p.grabowski@firma.2p.pl > > <? > > $dbc1=ibase_connect('/opt/interbase/bazy/slownik.gdb','SYSDBA','masterkey','WIN1250'); > > $qST="SELECT NAME,OPIS FROM SLOWNIK WHERE ID=$idD"; > $q=ibase_query($dbc1,$qST); > list($nameDB,$descriptDB)=ibase_fetch_row($q); > ibase_close($dbc1); // here is a bug > ?> > > './configure' '--prefix=/usr/local/php4.1.1/' > '--enable-track-vars' > '--enable-trans-sid' '--with-mysql' '--disable-debug' > '--with-apxs=/usr/local/apache-local/bin/apxs' '--enable-shmop' > '--enable-xml' '--enable-sockets' '--with-gd' > '--with-interbase=/opt/interbase/' > > Any command after ibase_close doesn't execute and apache returns 404 > return code > > > > ------------------------------------------------------------------------ > > > -- > Edit this bug report at > http://bugs.php.net/?id=15419&edit=1 >