[php-maint] Bug#535148: Bug#535148: Crashes are suhosin related

sean finney seanius at debian.org
Wed Jul 29 09:38:50 UTC 2009

hi wilco (and everyone else),

On Tue, Jul 28, 2009 at 02:06:11PM +0200, Wilco Baan Hofman wrote:
> I've noticed the same problem. Also, I've experienced no more
> segmentation faults after disabling the suhosin.so extension by
> commenting extension=suhosin.so in
> /etc/php5/apache2/conf.d/suhosin.ini and obviously no heap corruption
> errors, but that's to be expected. Everything seems to work as
> expected that way.

could you also try downgrading to the version in testing (5.2.9),
restart apache, and report if that fixes the problem as others have

i won't have time for probably a couple weeks (vacation, yay) to look
more into this.  here are some suggestions off the top of my
head about where the problem could be:

* un-announced ABI/API break in php5-dev 5.2.9 -> 5.2.10
* un-announced ABI/API break in suhosin patch 5.2.9 -> 5.2.10
* bug in latest version of suhosin patch
* bug in latest version of php5

some things that could be investigated by someone with more time:

* recompile/reinstall the unstable php5 5.2.10 packages without the
  suhosin patch, restart apache, and see if the problem goes away.
  this should determine whether the suhosin patch is playing a role
  in this.
* recompile/reinstall the php5-suhosin package on an unstable system with
  5.2.10 packages installed, restart apache, and see if the problem
  goes away.  this should determine whether there was an abi/api break
  in php5-dev

the latter should be much faster and easier to test, so you might
want to try that first.

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