[Dovecot] Segfault in auth (when talked to by postfix lda)

[Timo Sirainen]

On 25.4.2014, at 17.53, Darac Marjal <mailinglist at darac.org.uk> wrote:

> I'm seeing a segfault in dovecot 2.2.12 (debian package 1:2.2.12-2). I
> can log into dovecot fine with mutt, but the segfaults seem to occur
> when postfix (2.11.0, debian package 2.11.0-1+b1) tries to deliver a
> message.
..
> #0  auth_fields_find_idx (fields=fields at entry=0x0, key=key at entry=0xb84ae448 "uid",
>    idx_r=idx_r at entry=0xbfc07d0c) at auth-fields.c:44
>        i = <optimized out>
>        count = <optimized out>
> #1  0xb77bed33 in auth_fields_add (fields=0x0, key=key at entry=0xb84ae448 "uid",
>    value=value at entry=0xb84a6312 "1120", flags=flags at entry=(unknown: 0)) at auth-fields.c:68
>        field = <optimized out>
>        idx = 3091882770
>        __FUNCTION__ = "auth_fields_add"
> #2  0xb77bb03b in auth_request_set_userdb_field (request=request at entry=0xb84b9218,
>    name=0xb84ae448 "uid", value=0xb84a6312 "1120") at auth-request.c:1605
>        uid = <optimized out>
>        gid = <optimized out>
> #3  0xb77d2fb5 in userdb_template_export (tmpl=0xb84ae410,
>    auth_request=auth_request at entry=0xb84b9218) at userdb-template.c:83

Fixed: http://hg.dovecot.org/dovecot-2.2/rev/e84555e6eb59