[Dovecot] segfault with shared namespace version > 2.1.16

[Tom Lieuallen]

Timo,

I finally got around to testing this; actually with 2.2.13rc1, which I 
was quite sure had the fix included.  It *did* solve my problem.

thank you for the resolution

Tom Lieuallen

On 5/2/14, 1:59 AM, Timo Sirainen wrote:
> On 17.4.2014, at 3.05, Tom Lieuallen <toml at engr.orst.edu> wrote:
>
>> We're currently running 2.1.16.  I've been wanting to update to a 2.2.X version, but have been running into problems, even with the latest (2.2.12).  I'm not sure at what version this issue appeared, but I believe I've tried 2.2.10, 2.2.11, and now 2.2.12.
>>
>> We have a shared maildir setup.  With that configuration in place and with a user in the dovecot-acl file, I can do the following to make it segfault every time.  Note if I comment out the shared namespace config, it does not segfault.
>>
>> #0  mailbox_settings_find (user=0x6866c0,
>>     vname=0x670800 "sharedimap/support-reports") at mail-storage.c:624
>>         box_set = <value optimized out>
>>         ns = <value optimized out>
>> #1  0x00007f1cb0323fd0 in mailbox_list_get_storage (list=0x7fff73b39088,
>>     vname=<value optimized out>, storage_r=0x7fff73b39080)
>>     at mailbox-list.c:821
>>         set = <value optimized out>
>> #2  0x00007f1cb03164a7 in mail_namespace_find_shared (
>>     namespaces=<value optimized out>,
>>     mailbox=0x670800 "sharedimap/support-reports") at mail-namespace.c:651
>>         list = 0x68ea30
>>         storage = 0x0
>> #3  mail_namespace_find (namespaces=<value optimized out>,
>>     mailbox=0x670800 "sharedimap/support-reports") at mail-namespace.c:669
>>         ns = 0x68ad70
>>         __FUNCTION__ = "mail_namespace_find"
>> ....
>> ....
>
> Fixed: http://hg.dovecot.org/dovecot-2.2/rev/930b6b1346bd
>