[Dovecot] Ubuntu 9.x segmentation fault with vpopmail auth

[Eric Shubert]

Timothy Timmons wrote:
> I've been trying for 24 hours now, to get an IMAP server which will
> autenticate off of vpopmail cdb database and the auth module always
> segfaults on login.
> 
> I'm using vpopmail 5.5.0 only because it is the only version which seems
> to create a dynamically linked version of the library.
> 
> I tried latest releases dovecot 1.0, 1.1, and 1.2. Also latest mercurial
> pulls of 1.1 and 1.2.
> 
> Even old versions of courier-imap and courier-authlib do it, but with
> these I can try older versions of vpopmail cause they don't require the
> dynamically linked version of libvpopmail. So I'm thinking it is
> something with Ubuntu 9.04 and pretty much all third party vpopmail
> authentication code.
> 
> Strangely qmail-pop3d works fine with vchkpwd, just I cannot find any
> IMAP server that will work no matter what combination of vpopmail and
> version of the IMAP server.
> 
> If anyone can figure this out I'd greatly appreciate it.
> 
> Sep 25 14:43:37 mail kernel: [41432.282133] dovecot-auth[14048]:
> segfault at 0 ip 00000000 sp bf88c8ec error 14 in
> dovecot-auth[8048000+40000]
> 
> Sep 25 15:07:16 mail kernel: [42852.136667] dovecot-auth[21185]:
> segfault at 0 ip 00000000 sp bfdcce2c error 14 in
> dovecot-auth[8048000+40000]
> 
> Sep 25 15:23:59 mail kernel: [43855.048512] dovecot-auth[6927]: segfault
> at 0 ip 00000000 sp bfd81ecc error 14 in dovecot-auth[8048000+40000]
> 
> Sep 25 15:55:22 mail kernel: [45737.522566] dovecot-auth[12458]:
> segfault at 0 ip 00000000 sp bfcc8dfc error 14 in
> dovecot-auth[8048000+40000]
> 
> Sep 25 16:14:15 mail kernel: [46870.968589] dovecot-auth[30127]:
> segfault at 0 ip 00000000 sp bff59f9c error 14 in
> dovecot-auth[8048000+3d000]
> Sep 25 16:23:26 mail kernel: [47421.947792] dovecot-auth[15832]:
> segfault at 0 ip 00000000 sp bf9121ec error 14 in
> dovecot-auth[8048000+31000]
> Sep 25 16:27:06 mail kernel: [47641.662788] authvchkpw[17265]: segfault
> at 0 ip 00000000 sp bf8f240c error 14 in authvchkpw[8048000+5000]
> 
> etc..
> 
> Thanks,
> Tim
> 
> P.S. I'm going nuts here, trying to get Squirrelmail back up for
> customers, but I'm absolutely stuck.
> 

I'm using vpopmail 5.4.17 with dovecot 1.0.10. Have you tried rolling 
your own vpopmail?

-- 
-Eric 'shubes'