Segfaults after upgrade to Debian Jessie

[Andrew Beverley]

On Sat, 2015-07-25 at 00:32 +0100, Andrew Beverley wrote:
> Hi,
> 
> I've just upgrade from Debian Wheezy to Debian Jessie and am getting:
> 
> Fatal: master: service(lmtp): child 6761 killed with signal 11 (core dumped)
> 
> It seems to be something to do with sieve. When I disable that from lmtp then
> everything works fine.
> 
> OS: Debian Jessie
> Dovecot version: 2.2.13
> CPU: x86
> 
> This is the gdb output:
> 
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> Core was generated by `dovecot/lmtp'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x00007f8e4c94f626 in sieve_validator_register_command () from 
> /usr/lib/dovecot/libdovecot-sieve.so.0

I've just tried upgrading to 2.2.18 (Stretch) but get the same error. I've opened
a Debian bug report:

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=794718

I have also tried downgrading to 2.1.7 (Wheezy) and everything works correctly.

Thanks,

Andy