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Date: Fri, 10 Oct 2014 12:49:33 +0200
Message-ID: <CAF+90c9AvYmdtqc8on52QrS_qcSx3ogyyCs2SaO0KDZkW8JTgQ@mail.gmail.com>
To: Remi Collet <remi@fedoraproject.org>
Cc: internals@lists.php.net
Content-Type: multipart/alternative; boundary=089e01228626e7791c05050f4d57
Subject: Re: [PHP-DEV] GMP memory allocator, various issues
From: nikita.ppv@gmail.com (Nikita Popov)

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On Fri, Oct 10, 2014 at 10:39 AM, Remi Collet <remi@fedoraproject.org>
wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
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>
> Hi,
>
> See https://bugs.php.net/63595
>
>
> Short, changing gmp memory allocator can cause segfaults in various
> case where gnutls is used and initialized "before" gmp.
>
> - - php + gmp + curl => segfaults
> - - apache + mod_php + mod_gnutls + gmp  => segfaults
> - - php + gmp + odbc + freetds => se'gfaults
>
>
> The simple proposal will be to drop the mp_set_memory_functions call.
>
> Any other (better) idea ?
>

The crashes seem to occur during shutdown. Maybe it would be sufficient to
do a mp_set_memory_functions(NULL, NULL, NULL) during gmp MSHUTDOWN?

Nikita

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