Below

(gdb) bt full
#0 fts_user_autoindex_exclude (box=<optimized out>, box@entry=0x55e0bc7e0fe8) at fts-user.c:347
fuser = <optimized out>
#1 0x00007f42e8e9b4a6 in fts_mailbox_allocated (box=0x55e0bc7e0fe8) at fts-storage.c:806
flist = <optimized out>
v = 0x55e0bc7e1010
fbox = 0x55e0bc7e1608
#2 0x00007f42e952652c in hook_mailbox_allocated (box=box@entry=0x55e0bc7e0fe8) at mail-storage-hooks.c:256
_data_stack_cur_id = 5
_foreach_end = 0x55e0bc7d28a0
_foreach_ptr = 0x55e0bc7d2890
hooks = 0x7f42e8ec9ba0 <fts_mail_storage_hooks>
ctx = 0x55e0bc7e2818
#3 0x00007f42e95219c1 in mailbox_alloc (list=0x55e0bc7d97b8, vname=0x55e0bc78f608 "INBOX", flags=flags@entry=MAILBOX_FLAG_DROP_RECENT) at mail-storage.c:860
_data_stack_cur_id = 4
new_list = 0x55e0bc7d97b8
storage = 0x55e0bc7d9fc8
box = 0x55e0bc7e0fe8
open_error = MAIL_ERROR_NONE
errstr = 0x0
__func__ = "mailbox_alloc"
#4 0x000055e0bbd0a5c2 in select_open (readonly=false, mailbox=<optimized out>, ctx=0x55e0bc7d6fa0) at cmd-select.c:285
client = 0x55e0bc7d6298
status = {messages = 32, recent = 48, unseen = 814554448, uidvalidity = 32766, uidnext = 814554256, first_unseen_seq = 32766, first_recent_uid = 1633369088,
last_cached_seq = 3805518085, highest_modseq = 0, highest_pvt_modseq = 139925357787644, keywords = 0x55e0bc78f398, permanent_flags = 0, flags = 0, permanent_keywords = false,
allow_new_keywords = false, nonpermanent_modseqs = false, no_modseq_tracking = false, have_guids = false, have_save_guids = true, have_only_guid128 = false}
flags = MAILBOX_FLAG_DROP_RECENT
ret = 0
client = <optimized out>
status = {messages = <optimized out>, recent = <optimized out>, unseen = <optimized out>, uidvalidity = <optimized out>, uidnext = <optimized out>,
first_unseen_seq = <optimized out>, first_recent_uid = <optimized out>, last_cached_seq = <optimized out>, highest_modseq = <optimized out>, highest_pvt_modseq = <optimized out>,
keywords = <optimized out>, permanent_flags = <optimized out>, flags = <optimized out>, permanent_keywords = <optimized out>, allow_new_keywords = <optimized out>,
nonpermanent_modseqs = <optimized out>, no_modseq_tracking = <optimized out>, have_guids = <optimized out>, have_save_guids = <optimized out>, have_only_guid128 = <optimized out>}
flags = <optimized out>
ret = <optimized out>
#5 cmd_select_full (cmd=<optimized out>, readonly=<optimized out>) at cmd-select.c:416
client = 0x55e0bc7d6298
ctx = 0x55e0bc7d6fa0
args = 0x55e0bc7a58d8
list_args = 0x7ffe308d1c74
mailbox = 0x55e0bc78f608 "INBOX"
client_error = 0x1 <error: Cannot access memory at address 0x1>
ret = <optimized out>
__func__ = "cmd_select_full"
#6 0x000055e0bbd12484 in command_exec (cmd=cmd@entry=0x55e0bc7d6e08) at imap-commands.c:201
hook = 0x55e0bc79b5d0
finished = <optimized out>
__func__ = "command_exec"
#7 0x000055e0bbd104b2 in client_command_input (cmd=<optimized out>) at imap-client.c:1230
client = 0x55e0bc7d6298
command = <optimized out>
tag = 0x7f42e942d8fa <p_strdup+74> "]A\\A]\303\061\300\303ff.\017\037\204"
name = 0x55e0bbd26e50 "SELECT"
ret = <optimized out>

 


On 2021-08-06 13:49, Aki Tuomi wrote:


On 06/08/2021 15:43 Joan Moreau <jom@grosjo.net> wrote:


Thank you Timo
However, this leads to
kernel: imap[228122]: segfault at 50 ip 00007f7015ee332b sp 00007fffa7178740 error 4 in lib20_fts_plugin.so[7f7015ee1000+11000]
Returning to 2.3.15 resolves the problem




Can you provide `gdb bt full` output for the crash?

Aki