Re: Panic in logs

I can see that problem still persists.

KJ


Kamil Jońca via dovecot <[email protected]> writes:

> This is extract (somewhat redacted ) from my real .dovecot sieve file.
>
> --8<---------------cut here---------------start------------->8---
> require [ "comparator-i;ascii-numeric","relational" ,"vnd.dovecot.execute","vnd.dovecot.pipe","vnd.dovecot.filter","fileinto" ,"regex" ,"variables" ,"body" ,"copy" ,"date" ,"imap4flags" ,"vnd.dovecot.debug" ,"editheader","index","encoded-character"];
>
> set "KJ_PAT_FETCHMAIL" "fetchmail-[[:digit:]](\\.[[:digit:]]+){2,3}(-(alpha|rc)[[:digit:]]{1,2})?";
>
> if header :regex "received" "from (www\\.)?poczta.mailisp.pl \\[[[:digit:]\\.]{7,15}\\][[:space:]]+by (localhost|(kjonca|alfa)\\.kjonca|alfa) with (IMAP|POP3) \\(${KJ_PAT_FETCHMAIL}[[:space:]]+polling poczta\\.mailisp\\.pl account qqrq( folder INBOX)?\\)[[:space:]]+for <?kjonca@localhost>? \\(single-drop\\);"  {
> 	fileinto "dummy";
> }
> --8<---------------cut here---------------end--------------->8---
>
> And (redacted)test message:
>
> --8<---------------cut here---------------start------------->8---
> Return-Path: <[email protected]>
> X-Original-To: kjonca@localhost
> Delivered-To: kjonca@localhost
> Received: from poczta.mailisp.pl [2.7.6.276]
> 	by alfa.kjonca with IMAP (fetchmail-7.0.0-alpha10 polling poczta.mailisp.pl account qqrq folder INBOX)
> 	for <kjonca@localhost> (single-drop); Sun, 22 Feb 2026 14:11:09 +0100 (CET)
> Date: Sun, 22 Feb 2026 14:10:03 +0100
> To: [email protected]
> From: System <[email protected]>
> Subject: =?UTF-8?Q?Nowa_wiadomo=C5=9B=C4=87_w systemie=
> Message-ID: <mtIN7aUOzQGwRqmsZoy9fGVaUOgFfoTDDLgDJtmD7aM@dziennik05>
>
> --8<---------------cut here---------------end--------------->8---
>
> (assuming sieve filter is ~/.dovecot.sieve.test  and message is in "z/1")
>
> sieve-filter -e -W -D -C -v ~/.dovecot.sieve.test z/1
>
> ends with:
> info: filtering: [Sun, 22 Feb 2026 14:10:03 +0100; 567 bytes] '=?UTF-8?Q?Nowa_wiadomo=C5=9B=C4=87_w ...'.
> sieve-filter: Debug: sieve: Started running script '_file/.dovecot.sieve.test'
> sieve-filter: Panic: pool_data_stack_realloc(): stack frame changed
> sieve-filter: Error: Raw backtrace: #1 [unw_get_proc_name() failed:
> -10] -> #2 default_fatal_handler[0x7f5ebbb51440] -> #3
> i_panic[0x7f5ebba6d489] -> #4 [unw_get_proc_name() failed: -10] -> #5
> [unw_get_proc_name() failed: -10] -> #6 [unw_get_proc_name() failed:
> -10] -> #7 buffer_append[0x7f5ebbb452b0] -> #8
> dregex_code_match_groups[0x7f5ebbb3f1e0] -> #9 [unw_get_proc_name()
> failed: -10] -> #10 [unw_get_proc_name() failed: -10] -> #11
> sieve_match_value[0x7f5ebc192770] -> #12 sieve_match[0x7f5ebc192a30]
> -> #13 [unw_get_proc_name() failed: -10] -> #14
> sieve_interpreter_continue[0x7f5ebc191100] -> #15
> sieve_execute[0x7f5ebc1a2dc0] -> #16 main[0x55753c17b830] -> #17
> __libc_start_call_main[0x7f5ebb833f00] -> #18
> __libc_start_main_alias_2[0x7f5ebb833fa0] -> #19
> _start[0x55753c17c710]
>
>
>
> Kamil Jońca via dovecot <[email protected]> writes:
>
>> 2025-12-30T07:55:14.714521+01:00 alfa dovecot: lda(kjonca): Panic: pool_data_stack_realloc(): stack frame changed
>> 2025-12-30T07:55:14.717927+01:00 alfa dovecot: lda(kjonca): Error: Raw
>> backtrace: #1 [unw_get_proc_name() failed: -10] -> #2
>> i_syslog_fatal_handler[0x7f99a2351430] -> #3 i_panic[0x7f99a226d453]
>> -> #4 [unw_get_proc_name() failed: -10] -> #5 [unw_get_proc_name()
>> failed: -10
>> ] -> #6 [unw_get_proc_name() failed: -10] -> #7
>> buffer_append[0x7f99a2345270] -> #8
>> dregex_code_match_groups[0x7f99a233f1a0] -> #9 [unw_get_proc_name()
>> failed: -10] -> #10 [unw_get_proc_name() failed: -10] -> #11
>> sieve_match_value[0x7f99a117f770] -> #12 sieve_match[0x7f99
>> a117fa30] -> #13 [unw_get_proc_name() failed: -10] -> #14
>> sieve_interpreter_continue[0x7f99a117e100] -> #15
>> sieve_multiscript_run[0x7f99a1190330] -> #16 [unw_get_proc_name()
>> failed: -10] -> #17 mail_deliver[0x7f99a27e54a0] -> #18
>> main[0x55e371c555e0] -> #19 __libc_start_c
>> all_main[0x7f99a1e29f00] -> #20 __libc_start_main_alias_2[0x7f99a1e29fa0] -> #21 _start[0x55e371c566a0]
>>
>>
>> I think this is related to 1:2.4.2+dfsg1-2 (debian package version) Now
>> I downgraded to 1:2.4.1+dfsg1-9 - loosing mails is not the thing I want
>> the most.
>>
>>
>> Aki Tuomi <[email protected]> writes:
>>
>>> You need to install systemd-coredump to catch cores. Also the actually interesting was the line before this.
>>>
>>> Aki
>>>
>>>> On 30/12/2025 09:45 EET Kamil Jońca via dovecot <[email protected]> wrote:
>>>> 
>>>>  
>>>> Recently I found in my lda logs:
>>>> 2025-12-30T07:55:14.717927+01:00 alfa dovecot: lda(kjonca): Error:
>>>> Raw backtrace: #1 [unw_get_proc_name() failed: -10] -> #2
>>>> i_syslog_fatal_handler[0x7f99a2351430] -> #3 i_panic[0x7f99a226d453]
>>>> -> #4 [unw_get_proc_name() failed: -10] -> #5 [unw_get_proc_name()
>>>> failed: -10] -> #6 [unw_get_proc_name() failed: -10] -> #7
>>>> buffer_append[0x7f99a2345270] -> #8
>>>> dregex_code_match_groups[0x7f99a233f1a0] -> #9 [unw_get_proc_name()
>>>> failed: -10] -> #10 [unw_get_proc_name() failed: -10] -> #11
>>>> sieve_match_value[0x7f99a117f770] -> #12 sieve_match[0x7f99a117fa30]
>>>> -> #13 [unw_get_proc_name() failed: -10] -> #14
>>>> sieve_interpreter_continue[0x7f99a117e100] -> #15
>>>> sieve_multiscript_run[0x7f99a1190330] -> #16 [unw_get_proc_name()
>>>> failed: -10] -> #17 mail_deliver[0x7f99a27e54a0] -> #18
>>>> main[0x55e371c555e0] -> #19 __libc_start_call_main[0x7f99a1e29f00]
>>>> -> #20 __libc_start_main_alias_2[0x7f99a1e29fa0] -> #21
>>>> _start[0x55e371c566a0]
>>>> 
>>>> And sadly it seems, that mail is missing (it was passed to pipe program
>>>> to further processing)
>>>> 
>>>> KJ
>>>> 
>>>> -- 
>>>> http://wolnelektury.pl/wesprzyj/teraz/
>>>> When you go out to buy, don't show your silver.
>>>> _______________________________________________
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>>>> To unsubscribe send an email to [email protected]
>>>

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