On 2025-12-30 08:45, Kamil Jońca via dovecot 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]
Found the same in my logs when some mails that got deleted on the phone
were still visible in roundcube. I currently have three users showing
the same error.
# doveconf -n
# 2.4.2-2+debian13 (0962ed2104): /etc/dovecot/dovecot.conf
# Pigeonhole version 2.4.2-2+debian13 (767418c3)
# OS: Linux 6.12.0-sec-svcs.kvm x86_64 Debian 13.3 ext4
2026-01-13T21:44:32.317609+01:00 uschi dovecot: imap-login: Logged in:
user=<[email protected]>, method=PLAIN, rip=<IP1>, lip=<IP2>,
mpid=4194077, TLS, session=<cpkID0tId7dUc9rl>
2026-01-13T21:44:38.455379+01:00 uschi dovecot:
imap([email protected])<4194077><cpkID0tId7dUc9rl>: Panic: file
imap-sieve-storage.c: line 216 (imap_sieve_add_mailbox_event): assertion
failed: (ismt->src_box == NULL || ismt->src_box == src_box)
2026-01-13T21:44:38.458755+01:00 uschi dovecot:
imap([email protected])<4194077><cpkID0tId7dUc9rl>: Error: Raw backtrace:
#1 [unw_get_proc_name() failed: -10] -> #2 [unw_get_proc_name() failed:
-10] -> #3 i_panic[0x7f6b6c46c2f6] -> #4 [unw_get_proc_name() failed:
-10] -> #5 [unw_get_proc_name() failed: -10] -> #6 [unw_get_proc_name()
failed: -10] -> #7 mailbox_save_alloc[0x7f6b6ca103c0] -> #8
[unw_get_proc_name() failed: -10] -> #9 command_exec[0x55654e677400] ->
#10 [unw_get_proc_name() failed: -10] -> #11 [unw_get_proc_name()
failed: -10] -> #12 [unw_get_proc_name() failed: -10] -> #13
client_handle_input[0x55654e67ddc0] -> #14
client_continue_pending_input[0x55654e67e0b0] -> #15
io_loop_call_io[0x7f6b6c565490] -> #16
io_loop_handler_run_internal[0x7f6b6c567230] -> #17
io_loop_handler_run[0x7f6b6c5673c0] -> #18 io_loop_run[0x7f6b6c5675a0]
-> #19 master_service_run[0x7f6b6c4b27f0] -> #20 main[0x55654e6688a0] ->
#21 [unw_get_proc_name() failed: -10] -> #22
__libc_start_main[0x7f6b6c234ce0] -> #23 _start[0x55654e668eb0]
2026-01-13T21:44:38.459536+01:00 uschi dovecot:
imap([email protected])<4194077><cpkID0tId7dUc9rl>: Fatal: master:
service(imap): child 4194077 killed with signal 6 (core dumps disabled -
https://dovecot.org/bugreport.html#coredumps)
The problems shows when the account is accessed from android
(thunderbird) or ipad. The same accounts show no problems when beeing
used with roundcube or thunderbird on windows.
I have core dumps available.
--
Christian Kivalo
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