Re: PostgreSQL / PHP Overrun Error

Solved- Logs seem pretty empty now thanks to the new CVS. Interesting question actually. Any way to put a hard compile-time variable [or php.ini only variable] that will not show the configure line in phpinfo(). That seems very logical to ensure that customers can not reproduce your exact setup with ease. -- Mike ----- Original Message ----- From: "Zeev Suraski" <zeev@zend.com> To: "Mike Rogers" <temp6453@hotmail.com> Cc: <php-dev@lists.php.net> Sent: Wednesday, September 26, 2001 9:21 PM Subject: Re: [PHP-DEV] PostgreSQL / PHP Overrun Error > 4.0.7 will include this fix. All I can say is that it's supposed to come > out 'soon'... > > About that leak - can you test the latest CVS again? :) > > At 01:58 27-09-01, Mike Rogers wrote: > >Hi Zeev; > > Seems to have fixed the problem. What is this expected to be included > >in a final version 4.0.7 I assume... I try to avoid alpha/beta but I > >suppose I have little choice at this time. Now I just see enormous amounts > >of: > > string.c(1341) : Freeing 0x086AB454 (6 bytes), script=/path/to/scripts > > > > I assume that's normal in debug mode for the Zend cleanup engines... So > >I suppose all is well. Thank you so much. If you have a guestimate on the > >next release including all of this, that would be amaizing. > > > >Thanks for all of your help; > >-- > >Mike > > > >----- Original Message ----- > >From: "Zeev Suraski" <zeev@zend.com> > >To: "Mike Rogers" <temp6453@hotmail.com> > >Cc: <php-db-help@lists.php.net>; <php-dev@lists.php.net> > >Sent: Wednesday, September 26, 2001 6:51 PM > >Subject: Re: [PHP-DEV] PostgreSQL / PHP Overrun Error > > > > > > > Can you try the latest CVS? It should fix the problem. > > > > > > Zeev > > > > > > At 18:35 26-09-01, Mike Rogers wrote: > > > >I have just upgraded to the new PostgreSQL 7.1.3 (from 7.0.3) and have > >been > > > >experiencing a pretty serious problem: > > > > On one particular page, in what seems to be completely random > >instances, > > > >I get buffer overruns and either 0-rows or a crashed apache child. > >Turning > > > >on PHP's --enable-debug, I receive the following [in httpd error log]: > > > > > > > > > > > >[Wed Sep 26 06:21:12 2001] Script: '/path/to/script.php' > > > >--------------------------------------- > > > >pgsql.c(167) : Block 0x086A6DF8 status: > > > >Beginning: Overrun (magic=0x00000000, expected=0x7312F8DC) > > > > End: Unknown > > > >--------------------------------------- > > > > > > > >Sometimes it will actually crash mid-way (probably overwrote some > >valuable > > > >code): > > > >--------------------------------------- > > > >pgsql.c(167) : Block 0x08684290 status: > > > >Beginning: Overrun (magic=0x0000111A, expected=0x7312F8DC) > > > >[Wed Sep 26 09:22:46 2001] [notice] child pid 8710 exit signal > >Segmentation > > > >fault (11) > > > > > > > >This problem is of great concern to me and I have been working for days > > > >trying to debug it myself and find other reports, with little success. > >The > > > >line it claims to be failing on is PHP's ext/pgsql/pgsql.c on line 167 > >(by > > > >what this claims) which is the following function [the > > > >efree(PGG(last_notice)) line]. > > > > > > > >static void > > > >_notice_handler(void *arg, const char *message) > > > >{ > > > > PGLS_FETCH(); > > > > > > > > if (! PGG(ignore_notices)) { > > > > php_log_err((char *) message); > > > > if (PGG(last_notice) != NULL) { > > > > efree(PGG(last_notice)); > > > > } > > > > PGG(last_notice) = estrdup(message); > > > > } > > > >} > > > > > > > > > > > >Can anyone provide further input as to why this is causing problems? The > > > >PHP code works sometimes and not others, and it seems to be only that one > > > >script, so I do not believe it to be a hardware issue. > > > > > > > >Any thoughts? I can provide any further system information if needed. I > > > >have tried recompiling pgsql, php and apache with different optimizations > > > >[including none at all and debug mode on as i have now] with little > >change > > > >in the result. > > > > > > > >Thanks in advance; > > > >-- > > > >Mike > > > > > > > >cc: pgp-db-help; pgp-dev > > > > > > > >-- > > > >PHP Development Mailing List > > > ><http://www.php.net/> > > > >To unsubscribe, e-mail: php-dev-unsubscribe@lists.php.net > > > >For additional commands, e-mail: php-dev-help@lists.php.net > > > >To contact the list administrators, e-mail: php-list-admin@lists.php.net > > > > > > > > > -- > > > PHP Development Mailing List > > > <http://www.php.net/> > > > To unsubscribe, e-mail: php-dev-unsubscribe@lists.php.net > > > For additional commands, e-mail: php-dev-help@lists.php.net > > > To contact the list administrators, e-mail: php-list-admin@lists.php.net > > > > > > > > > >-- > >PHP Development Mailing List <http://www.php.net/> > >To unsubscribe, e-mail: php-dev-unsubscribe@lists.php.net > >For additional commands, e-mail: php-dev-help@lists.php.net > >To contact the list administrators, e-mail: php-list-admin@lists.php.net > >