[Dovecot] possible bug leading to lmtp crashes

Trever L. Adams trever.adams at gmail.com
Mon Apr 25 18:12:39 EEST 2011

On 04/20/2011 05:59 AM, Trever L. Adams wrote:
> I have been using Samba 4 kerberos and ldap with dovecot. Samba 4
> changed a while back (resulting in me asking for help) which requires
> kerberos auth for ldap lookups. My setup worked perfectly before hand.
> Before and after were with dovecot-2.0.11 and the after also happens
> with 2.0.11.
> The only changes were (in my ldap.conf for dovecot -- changes are new
> lines starting with *, * is not in the conf, just showing changes):
> Reference: http://hg.dovecot.org/dovecot-2.0/rev/cec7fa92ff48
> Reference: https://bugzilla.redhat.com/show_bug.cgi?id=697325 (backtrace
> via abrtd is included here)
As I look at the code in the hg reference above, I think there is a bug.
If HOME should be preserved as first, and some of these others may be
critical to proper operation, they should be preserved automatically, no
matter what the configuration says. This seems to be contrary to the
code and to the top of the page (commit comment?).

So, based on the code, I think HOME, USER, TZ should always be
preserved. Depending on system compilation (according to ifdefs), GDB,
LISTEN_PIDS and LISTEN_FDS should also be preserved. Is this what is
causing my crash? I am still experimenting.

I have three systems doing this. Two were Fedora 15 current and one
Fedora 14 current. I have upgraded F14 to F15 to help remove variability.

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