Jani Taskinen schrieb:
What about fixing it also in PHP_5_2 ?? Or doesn't this exist there? ;)
Sounds quite critical to be in there..
A precondition for the crash to happen is that ext/mysqli allocates a
too small result buffer. This could happen due to bug which broke BC in
5.3.0. That bug has been fixed in the commit immerdiately followed after
this commit: http://news.php.net/php.cvs/60379
I was wrong that the crash can be reproduced with the test 005.phpt and
PHP 5.0.x-5.2.x. I checked again and found that I had messed up my PHP
sources causing a similar but unrelated crash.
I also checked a couple of SQL statements that caused headaches during
the mysqlnd development (e.g. SELECT UNION) and the MySQL bugs database
for a bug which may lead to a too small result buffer in order to break
ext/mysqli: without success.
Anyway, I can patch PHP 5.2 as well, just in case someone finds a way to
make a current MySQL server report faulty meta data (length must be
reported as 0 but the actual data returned needs to be longer than 256
Ulf Wendel, MySQL
Sun Microsystems GmbH, Sonnenallee 1, D-85551 Kirchheim-Heimstetten
Geschaeftsfuehrer: Thomas Schroeder, Wolfgang Engels, Dr. Roland Boemer
Vorsitzender des Aufsichtsrates: Martin Haering Muenchen: HRB161028
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