Control: tags -1 + confirmed On Mon, Jun 08, 2026 at 07:35:25AM +0200, Kamil Jonca wrote: > %sieve-filter -e -W -D -C -v ~/.dovecot.sieve.test z/2 > sieve-filter: Debug: sieve: Pigeonhole version 2.4.4 (3beb331a) initializing > sieve-filter: Debug: Loading modules from directory: > /usr/lib/dovecot/modules/sieve > sieve-filter: Debug: Module loaded: > /usr/lib/dovecot/modules/sieve/lib90_sieve_extprograms_plugin.so > sieve-filter: Debug: sieve: Sieve Extprograms plugin for Pigeonhole version > 2.4.4 (3beb331a) loaded > sieve-filter: Debug: sieve: storage _file: file: Using Sieve script path: > /home/kjonca/.dovecot.sieve.test > sieve-filter: Debug: sieve: storage _file: file: script > '.dovecot.sieve.test': Opened from '_file' > sieve-filter: Debug: sieve: storage _file: file: script > '.dovecot.sieve.test': Opened script for reading > sieve-filter: Debug: sieve: Script '_file/.dovecot.sieve.test' successfully > compiled > sieve-filter: Debug: sieve: storage _file: file: script > '.dovecot.sieve.test': Saving binary to > '/home/kjonca/.dovecot.sieve.test.svbin' > info: filtering: [Sun, 22 Feb 2026 14:10:03 +0100; 566 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[0x7f4c84357570] -> #3 i_panic[0x7f4c8426eb9e] -> #4 > [unw_get_proc_name() failed: -10] -> #5 [unw_get_proc_name() failed: -10] -> > #6 [unw_get_proc_name() failed: -10] -> #7 buffer_append[0x7f4c8434a8d0] -> > #8 dregex_code_match_groups[0x7f4c84344ad0] -> #9 [unw_get_proc_name() > failed: -10] -> #10 [unw_get_proc_name() failed: -10] -> #11 > sieve_match_value[0x7f4c8482d380] -> #12 sieve_match[0x7f4c8482d640] -> #13 > [unw_get_proc_name() failed: -10] -> #14 > sieve_interpreter_continue[0x7f4c8482bc30] -> #15 > sieve_execute[0x7f4c8483af00] -> #16 main[0x55f485140890] -> #17 > __libc_start_call_main[0x7f4c84031f00] -> #18 > __libc_start_main_alias_2[0x7f4c84031fa0] -> #19 _start[0x55f485141770] > zsh: IOT instruction sieve-filter -e -W -D -C -v ~/.dovecot.sieve.test z/2
Thanks, I have reproduced this crash. Will investigate. noah

