[Dovecot] Dovecot 2.2.10 crash / infinite loop bug

[Timo Sirainen]

On 8.2.2014, at 4.53, Jani Hast <ghast123 at gmail.com> wrote:

> Hello,
> 
> I though this bug should be reported, although there is workaround already made and in use.
> 
> Dovecot 2.2.10 crashes into out of memory error when there is defined system users (userdb+passdb) and own virtual users (userdb+passdb). Removing either one solves the issue and Dovecot is working as it should.

I can't think of why that would make a difference.

> When memory leak (I replaced pw_init and gr_init with the version that is found from 2.1.17) is fixed from lib/ipwd.c source,

I don't see any bugs or memory leaks in ipwd.c. Sounds like it could be an OpenBSD bug.

> the auth worker gets to infinite loop and authentication timeouts(timeout was increased, but worker does not end what ever it's doing).

Would be useful to know where it's looping (gdb -p <pid>, bt, n, n, n, n, n, ...).

> passdb {
>  driver = bsdauth
> }

I don't have any BSDs installed, so can't easily test this.