[Dovecot] submission_host problem

Bambero bambero at gmail.com
Wed Nov 16 21:37:32 EET 2011


On Wed, Nov 16, 2011 at 8:25 PM, Bambero <bambero at gmail.com> wrote:
> On Wed, Nov 16, 2011 at 5:38 PM, Timo Sirainen <tss at iki.fi> wrote:
>> On Wed, 2011-11-16 at 17:28 +0100, Bambero wrote:
>>> Thanks a lot it almost helped. But now there is another problem:
>>> Nov 16 17:13:45 zeus exim[10613]: 2011-11-16 17:13:45 1RQi7C-0001lG-BX
>>> ** test at apisoft.pl R=localuser T=local_delivery: Child process of
>>> local_delivery transport (running command
>>> "/usr/local/libexec/dovecot/dovecot-lda -d $local_part@$domain  -f
>>> $sender_address -a $original_local_part@$original_domain") was
>>> terminated by signal 11 (Segmentation fault)
>>>
>>>  But it anly appear if user has .sieve filter with mail redirection
>>> (uses submission_host)
>>
>> It's difficult to debug crashes without gdb backtrace. But since you're
>> running in a strange chrooted environment, it may be difficult to get a
>> core file..
>>
>> Probably the easiest way would be if you apply the attached patch, then
>> try to deliver a mail that causes this crash (and no other mails), and
>> attach gdb into the process during the 10 second wait:
>>
>> gdb -p `pidof dovecot-lda`
>> cont
>> <wait for crash>
>> bt full
>>
>>
>
> Can you see something here:
>
> gdb -p `pgrep dovecot-lda`
> GNU gdb 6.3
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i386-unknown-openbsd5.0".
> Attaching to process 4118
> 0x030e6719 in ?? ()
> (gdb) cont
> Continuing.
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x0c96c825 in ?? ()
> (gdb) bt full
> #0  0x0c96c825 in ?? ()
> No symbol table info available.
> #1  0x7dfa61c0 in ?? ()
> No symbol table info available.
> #2  0x00000001 in ?? ()
> No symbol table info available.
> #3  0x00000001 in ?? ()
> No symbol table info available.
> #4  0x00000002 in ?? ()
> No symbol table info available.
> #5  0x2665d31c in ?? ()
> No symbol table info available.
> #6  0x2665d31c in ?? ()
> No symbol table info available.
> #7  0xcfbe13e8 in ?? ()
> No symbol table info available.
> #8  0x0665fd79 in ?? ()
> No symbol table info available.
> #9  0x00000000 in ?? ()
> No symbol table info available.
> (gdb) quit
> The program is running.  Quit anyway (and detach it)? (y or n) y
> Detaching from program: , process 4118
>

I forgot to say that mails are delivered using SMTP so submission_host
works, mails are strored i destination mailbox too.
Only this Segmentation Fault ...



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