[Dovecot] crash with fts_squat on an identified email

[Timo Sirainen]

On Sat, 2007-11-17 at 09:08 -0500, Adam McDougall wrote:
> I have some folders with a good amount of spam.  While demonstrating full text search to a user,
> we found a folder that would crash dovecot while doing a fts.  While splitting up the mailbox to
> narrow it down, I found there are a good number of messages in that folder that all made it crash
> in the same manner.  I figured I'd narrow down a single one, get that fixed, then retest the rest.
> I also added to my todo list to try a full text search on as much email as I can find, to try to
> weed out any other problems (and see if fts is realistic to use in production).  
> 
> Nov 17 09:03:26 boomhauer dovecot: IMAP(mcdouga9): file message-decoder.c: line 201 (translation_buf_decode): 
> assertion failed: (*size >= skip)
> Nov 17 09:03:26 boomhauer dovecot: child 14668 (imap) killed with signal 6
> 
> Let me know if this is not reproducable with the attached tgz containing a maildir with one message,
> I could do a local gdb if needed.  

Fixed. The function was pretty much completely broken.
http://hg.dovecot.org/dovecot/rev/ea4d3778c99b
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