Hi,
Looks like something has been committed to master-2.2 in the last week
which is causing crashes as soon as the remote user logs in:
Sep 17 01:11:19 thunderstorm.reub.net dovecot: dsync-server(reuben):
Error: read(lightning.reub.net) failed: EOF (last sent=mailbox_state,
last recv=mail (EOL))
Sep 17 01:11:31 thunderstorm.reub.net dovecot: imap(reuben): Panic: file
fts-api.c: line 128 (fts_backend_set_cur_mailbox): assertion failed:
(ctx->cur_box != NULL)
Sep 17 01:11:31 thunderstorm.reub.net dovecot: imap(reuben): Error: Raw
backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xb7f9f) [0x7f4cd5b4cf9f]
-> /usr/lib64/dovecot/libdovecot.so.0(+0xb9515) [0x7f4cd5b4e515] ->
/usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f4cd5b4d332] ->
/usr/lib64/dovecot/lib20_fts_plugin.so(+0x96b4) [0x7f4cd50b86b4] ->
/usr/lib64/dovecot/lib20_fts_plugin.so(fts_backend_update_deinit+0x45)
[0x7f4cd50b872b] -> /usr/lib64/dovecot/lib20_fts_plugin.so(+0x142ed)
[0x7f4cd50c32ed] ->
/usr/lib64/dovecot/libdovecot-storage.so.0(maildir_sync_index+0x98e)
[0x7f4cd5e4eed7] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x5f209)
[0x7f4cd5e51209] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x5f497)
[0x7f4cd5e51497] ->
/usr/lib64/dovecot/libdovecot-storage.so.0(maildir_storage_sync_init+0xb2)
[0x7f4cd5e517de] ->
/usr/lib64/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x6d)
[0x7f4cd5e2cc41] -> dovecot/imap(imap_sync_init+0xc7) [0x42e408] ->
dovecot/imap() [0x42f96b] -> dovecot/imap() [0x42febc] ->
dovecot/imap(cmd_sync_delayed+0x34) [0x42fef2] ->
dovecot/imap(client_handle_input+0x138) [0x41e9d1] ->
dovecot/imap(client_input+0xf5) [0x41eb02] ->
/usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0xcd)
[0x7f4cd5b6b054] ->
/usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x209)
[0x7f4cd5b6d5c1] ->
/usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x24)
[0x7f4cd5b6b1fd] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0xaf)
[0x7f4cd5b6b149] ->
/usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x2e)
[0x7f4cd5aca603] -> dovecot/imap(main+0x300) [0x431169] ->
/lib64/libc.so.6(__libc_start_main+0xf0) [0x7f4cd571c710] ->
dovecot/imap(_start+0x29) [0x40c7b9]
Sep 17 01:11:31 thunderstorm.reub.net dovecot: imap(reuben): Fatal:
master: service(imap): child 1740 killed with signal 6 (core dumped)
thunderstorm reuben # file core
core: ELF 64-bit LSB core file x86-64, version 1 (SYSV), SVR4-style,
from 'dovecot/imap postlogin', real uid: 0, effective uid: 0, real gid:
0, effective gid: 0, execfn: '/usr/libexec/dovecot/imap', platform: 'x86_64'
thunderstorm reuben # gdb /usr/libexec/dovecot/imap core
GNU gdb (Gentoo 7.11.1 vanilla) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://bugs.gentoo.org/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/libexec/dovecot/imap...done.
[New LWP 1740]
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `dovecot/imap postlogin'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f4cd572f1f8 in raise () from /lib64/libc.so.6
(gdb) bt full
#0 0x00007f4cd572f1f8 in raise () from /lib64/libc.so.6
No symbol table info available.
#1 0x00007f4cd573064a in abort () from /lib64/libc.so.6
No symbol table info available.
#2 0x00007f4cd5b4cfee in default_fatal_finish (type=LOG_TYPE_PANIC,
status=0) at failures.c:201
backtrace = 0x27446a0
"/usr/lib64/dovecot/libdovecot.so.0(+0xb7f9f) [0x7f4cd5b4cf9f] ->
/usr/lib64/dovecot/libdovecot.so.0(+0xb9515) [0x7f4cd5b4e515] ->
/usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f4cd5b4d332] -> /usr"...
#3 0x00007f4cd5b4e515 in i_internal_fatal_handler (ctx=0x7fff509f3750,
format=0x7f4cd50cb000 "file %s: line %d (%s): assertion failed:
(%s)", args=0x7fff509f3770) at failures.c:670
status = 0
#4 0x00007f4cd5b4d332 in i_panic (format=0x7f4cd50cb000 "file %s: line
%d (%s): assertion failed: (%s)")
at failures.c:275
ctx = {type = LOG_TYPE_PANIC, exit_status = 0, timestamp = 0x0,
timestamp_usecs = 0}
args = <error reading variable args (Attempt to dereference a
generic pointer.)>
#5 0x00007f4cd50b86b4 in fts_backend_set_cur_mailbox (ctx=0x26f6e70) at
fts-api.c:128
__FUNCTION__ = "fts_backend_set_cur_mailbox"
#6 0x00007f4cd50b872b in fts_backend_update_deinit (_ctx=0x268b3b8) at
fts-api.c:143
ctx = 0x26f6e70
backend = 0x26825e0
ret = 32588
#7 0x00007f4cd50c32ed in fts_mailbox_sync_notify (box=0x268aaa0, uid=0,
sync_type=(unknown: 0)) at fts-storage.c:665
flist = 0x2683000
fbox = 0x268b258
#8 0x00007f4cd5e4eed7 in maildir_sync_index (ctx=0x268eb40,
partial=true) at maildir-sync-index.c:649
mbox = 0x268aaa0
view = 0x26f4f30
view2 = 0x0
iter = 0x0
trans = 0x270ef20
hdr = 0x268b8b0
empty_hdr = {major_version = 176 '\260', minor_version = 57
'9', base_header_size = 20639,
header_size = 32767, record_size = 3588796538, compat_flags =
76 'L', unused = "\177\000",
indexid = 1352612272, flags = 32512, uid_validity = 40955680,
next_uid = 0, messages_count = 40849200,
unused_old_recent_messages_count = 0, seen_messages_count =
40857728, deleted_messages_count = 0,
first_recent_uid = 136, first_unseen_uid_lowwater = 0,
first_deleted_uid_lowwater = 40428608,
log_file_seq = 0, log_file_tail_offset = 1352612384,
log_file_head_offset = 32767,
unused_old_sync_size = 139967982787820, unused_old_sync_stamp
= 40913568, day_stamp = 0, day_first_uid = {
41174496, 0, 41174440, 0, 40413856, 0, 1352612384, 32767}}
rec = 0x26d7188
seq = 0
seq2 = 0
uid = 1043
prev_uid = 1043
uflags = (MAILDIR_UIDLIST_REC_FLAG_MOVED |
MAILDIR_UIDLIST_REC_FLAG_RECENT | MAILDIR_UIDLIST_REC_FLAG_NONSYNCED)
filename = 0x2711a00
"1474037293.M664229P7078.thunderstorm,S=18760,W=19334:2,Sd"
uid_validity = 1466133870
next_uid = 3585376580
hdr_next_uid = 1044
first_recent_uid = 1044
first_uid = 1
changes = 1
ret = 0
time_before_sync = 1474038691
expunged_guid_128 = "\247\332=\207\337[1\a\367\217\025\307\024|-Y"
private_flags_mask = 0
expunged = true
full_rescan = false
__FUNCTION__ = "maildir_sync_index"
#9 0x00007f4cd5e51209 in maildir_sync_context (ctx=0x27445a8,
forced=false, find_uid=0x0, lost_files_r=0x7fff509f3afa)
at maildir-sync.c:951
sync_flags = MAILDIR_UIDLIST_SYNC_PARTIAL
flags = (MAILDIR_UIDLIST_REC_FLAG_NEW_DIR |
MAILDIR_UIDLIST_REC_FLAG_MOVED | MAILDIR_UIDLIST_REC_FLAG_RECENT |
MAILDIR_UIDLIST_REC_FLAG_NONSYNCED | MAILDIR_UIDLIST_REC_FLAG_RACING |
unknown: 32736)
new_changed = false
cur_changed = false
lock_failure = false
fname = 0x268aaa0 ""
why = (unknown: 0)
ret = 1
__FUNCTION__ = "maildir_sync_context"
#10 0x00007f4cd5e51497 in maildir_sync_run (mbox=0x268aaa0,
flags=MAILBOX_SYNC_FLAG_EXPUNGE, force_resync=false,
uid=0x0, lost_files_r=0x7fff509f3afa) at maildir-sync.c:1024
_data_stack_cur_id = 5
ctx = 0x27445a8
retry = false
lost_files = false
ret = 0
#11 0x00007f4cd5e517de in maildir_storage_sync_init (box=0x268aaa0,
flags=MAILBOX_SYNC_FLAG_EXPUNGE)
at maildir-sync.c:1097
mbox = 0x268aaa0
lost_files = false
force_resync = false
ret = 0
__FUNCTION__ = "maildir_storage_sync_init"
#12 0x00007f4cd5e2cc41 in mailbox_sync_init (box=0x268aaa0,
flags=MAILBOX_SYNC_FLAG_EXPUNGE) at mail-storage.c:1728
_data_stack_cur_id = 4
ctx = 0x0
#13 0x000000000042e408 in imap_sync_init (client=0x2687680,
box=0x268aaa0, imap_flags=IMAP_SYNC_FLAG_SAFE,
flags=MAILBOX_SYNC_FLAG_EXPUNGE) at imap-sync.c:229
ctx = 0x268b770
__FUNCTION__ = "imap_sync_init"
#14 0x000000000042f96b in cmd_sync_client (sync_cmd=0x2688280) at
imap-sync.c:737
client = 0x2687680
ctx = 0x2
flags = MAILBOX_SYNC_FLAG_EXPUNGE
imap_flags = IMAP_SYNC_FLAG_SAFE
no_newmail = false
#15 0x000000000042febc in cmd_sync_delayed_real (client=0x2687680) at
imap-sync.c:858
cmd = 0x2688280
first_expunge = 0x2688280
first_nonexpunge = 0x0
__FUNCTION__ = "cmd_sync_delayed_real"
#16 0x000000000042fef2 in cmd_sync_delayed (client=0x2687680) at
imap-sync.c:866
_data_stack_cur_id = 3
ret = 80
#17 0x000000000041e9d1 in client_handle_input (client=0x2687680) at
imap-client.c:1118
ret = false
remove_io = false
handled_commands = true
__FUNCTION__ = "client_handle_input"
#18 0x000000000041eb02 in client_input (client=0x2687680) at
imap-client.c:1149
cmd = 0x7fff509f3cc0
output = 0x26880a0
bytes = 28
__FUNCTION__ = "client_input"
#19 0x00007f4cd5b6b054 in io_loop_call_io (io=0x268ca30) at ioloop.c:564
ioloop = 0x264f760
t_id = 2
__FUNCTION__ = "io_loop_call_io"
#20 0x00007f4cd5b6d5c1 in io_loop_handler_run_internal
(ioloop=0x264f760) at ioloop-epoll.c:220
ctx = 0x2651270
events = 0x26520a0
event = 0x26520a0
list = 0x26881d0
io = 0x268ca30
tv = {tv_sec = 256, tv_usec = 707889}
events_count = 5
msecs = 256708
ret = 1
i = 0
j = 0
call = true
__FUNCTION__ = "io_loop_handler_run_internal"
#21 0x00007f4cd5b6b1fd in io_loop_handler_run (ioloop=0x264f760) at
ioloop.c:612
No locals.
#22 0x00007f4cd5b6b149 in io_loop_run (ioloop=0x264f760) at ioloop.c:588
__FUNCTION__ = "io_loop_run"
#23 0x00007f4cd5aca603 in master_service_run (service=0x264f600,
callback=0x430dd6 <client_connected>)
at master-service.c:641
No locals.
#24 0x0000000000431169 in main (argc=2, argv=0x264f390) at main.c:460
set_roots = {0x43bbe0 <imap_setting_parser_info>, 0x646340
<lda_setting_parser_info>, 0x0}
login_set = {auth_socket_path = 0x2647048 "\001",
postlogin_socket_path = 0x2647078 "z`\005",
postlogin_timeout_secs = 60, callback = 0x430af0
<login_client_connected>,
failure_callback = 0x430d41 <login_client_failed>,
request_auth_token = 1}
service_flags = MASTER_SERVICE_FLAG_KEEP_CONFIG_OPEN
storage_service_flags =
(MAIL_STORAGE_SERVICE_FLAG_DISALLOW_ROOT |
MAIL_STORAGE_SERVICE_FLAG_AUTOEXPUNGE)
username = 0x0
auth_socket_path = 0x43cd85 "auth-master"
c = -1
(gdb)
Reuben
