On Thu, 2010-06-10 at 12:11 +0000, Ilia Alshanetsky wrote:
> Modified: php/php-src/branches/PHP_5_3/ext/pdo/php_pdo_driver.h
> ===================================================================
> ---
> php/php-src/branches/PHP_5_3/ext/pdo/php_pdo_driver.h       2010-06-10
> 11:45:51 UTC (rev 300350)
> +++
> php/php-src/branches/PHP_5_3/ext/pdo/php_pdo_driver.h       2010-06-10
> 12:11:19 UTC (rev 300351)
> @@ -310,6 +310,7 @@
>         pdo_dbh_check_liveness_func     check_liveness;
>         pdo_dbh_get_driver_methods_func get_driver_methods;
>         pdo_dbh_request_shutdown        persistent_shutdown;
> +       pdo_dbh_txn_func                in_transaction;
>  };
> 
>  /* }}} */ 

Here you are changing a structure which is allocated and initialized in
a driver and then read from the PDO core. PDO core will therefore read
invalid memory when a driver compiled against 5.3.2 is used in 5.3.3
while we usually guarantee binary compatibility in bug fix releases.

This for instance affects distributors or MSFT's sqlsrv driver.

johannes




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