[Dovecot] File descriptor leak in sieve-extprograms

Stephan Bosch stephan at rename-it.nl
Sat Dec 21 16:18:31 EET 2013

On 12/14/2013 5:39 PM, Kirill A. Shutemov wrote:
> Stephan Bosch wrote:
>> On 12/13/2013 11:14 PM, Kirill A. Shutemov wrote:
>>> Stephan Bosch wrote:
>>>> This probably fixes it, although I am not entirely sure. I am mainly a
>>>> bit puzzled on how this causes the fd leak; the fd_in and fd_out are for
>>>> the current backends always the same fd.
>>> fd_in is not opened in my case: -1 all the way. I use vnd.dovecot.pipe.
>> Ah right, that explains it.
>>> I've hackaround sieve-filter crash with the ugly patch. I don't know how to fix
>>> this properly.
>> Could you provide more details of your setup (configuration,
>> sieve-filter command line, Sieve script), so that I can reproduce the
>> problem at this end?
> Command:
> sieve-filter -e -v -W ~/.dovecot.sieve INBOX expunge

This should fix it:


I tested it here with several hundred thousand old spam e-mails.



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