Panic in service(log)

[Eugene Paskevich]

27.08.2015, 16:09, "Eugene Paskevich" <eugene at raptor.kiev.ua>:
> Hello,
>
> I'm using the Debian builds of dovecot-2.2 by S[r]us.
> Today I started getting the following panic:
>
> log: Panic: file priorityq.c: line 122 (priorityq_remove_idx): assertion
> failed: (idx < count)

Just in case, here is the full backtrace.

(gdb) thread apply all bt full

Thread 1 (LWP 28412):
#0  0x00007fe01d5df107 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fe01d5e04e8 in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fe01d9d21a6 in default_fatal_finish (type=<optimized out>, status=status at entry=0) at failures.c:202
        backtrace = 0x559b3daf8198 "/usr/lib/dovecot/libdovecot.so.0(+0x7f1ae) [0x7fe01d9d21ae] -> /usr/lib/dovecot/libdovecot.so.0(+0x7f29c) [0x7fe01d9d229c] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7fe01d97b81e] -> /usr/lib/d"...
#3  0x00007fe01d9d229c in i_internal_fatal_handler (ctx=0x7fffdc318f70, format=<optimized out>, args=<optimized out>) at failures.c:671
        status = 0
#4  0x00007fe01d97b81e in i_panic (format=format at entry=0x7fe01d9ff898 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:276
        ctx = {type = LOG_TYPE_PANIC, exit_status = 0, timestamp = 0x0, timestamp_usecs = 0}
        args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fffdc319070, reg_save_area = 0x7fffdc318fb0}}
#5  0x00007fe01d9f3de8 in priorityq_remove_idx (pq=0x559b3db007e0, idx=4294967295) at priorityq.c:122
        pq = 0x559b3db007e0
        idx = 4294967295
        count = 1
#6  0x00007fe01d9f3eeb in priorityq_remove (pq=<optimized out>, item=item at entry=0x559b3db221f0) at priorityq.c:138
No locals.
#7  0x00007fe01d9e479c in timeout_reset_timeval (timeout=0x559b3db221f0, tv_now=tv_now at entry=0x0) at ioloop.c:329
        __FUNCTION__ = "timeout_reset_timeval"
#8  0x00007fe01d9e4b4d in timeout_reset (timeout=<optimized out>) at ioloop.c:336
        __FUNCTION__ = "timeout_reset"
#9  0x00007fe01dd062a6 in index_mailbox_want_full_sync (box=box at entry=0x559b3db1c410, flags=flags at entry=(unknown: 0)) at index-sync.c:49
        ibox = 0x559b3db1c888
#10 0x00007fe01dcbbb60 in maildir_storage_sync_init (box=0x559b3db1c410, flags=(unknown: 0)) at maildir-sync.c:1101
        mbox = 0x559b3db1c410
        lost_files = false
        force_resync = false
        ret = 0
        __FUNCTION__ = "maildir_storage_sync_init"
#11 0x00007fe01dc90bbb in mailbox_sync_init (box=box at entry=0x559b3db1c410, flags=flags at entry=(unknown: 0)) at mail-storage.c:1651
        _data_stack_cur_id = 4
        ctx = <optimized out>
#12 0x0000559b3d622a01 in imap_sync_init (client=0x559b3db19010, box=<optimized out>, imap_flags=imap_flags at entry=(unknown: 0), flags=flags at entry=(unknown: 0)) at imap-sync.c:230
        __FUNCTION__ = "imap_sync_init"
#13 0x0000559b3d60f05e in idle_sync_now (box=<optimized out>, ctx=0x559b3db19d08) at cmd-idle.c:145
No locals.
#14 0x0000559b3d60f35d in cmd_idle (cmd=0x559b3db19bf0) at cmd-idle.c:308
        client = 0x559b3db19010
#15 0x0000559b3d61875c in command_exec (cmd=cmd at entry=0x559b3db19bf0) at imap-commands.c:168
        hook = 0x559b3db01120
        diff = <optimized out>
        finished = <optimized out>
#16 0x0000559b3d616cf2 in client_command_input (cmd=cmd at entry=0x559b3db19bf0) at imap-client.c:821
        client = 0x559b3db19010
        command = <optimized out>
        __FUNCTION__ = "client_command_input"
#17 0x0000559b3d616d80 in client_command_input (cmd=0x559b3db19bf0) at imap-client.c:881
        client = 0x559b3db19010
        command = <optimized out>
        __FUNCTION__ = "client_command_input"
#18 0x0000559b3d6170ed in client_handle_next_command (remove_io_r=<synthetic pointer>, client=0x559b3db19010) at imap-client.c:919
No locals.
#19 client_handle_input (client=0x559b3db19010) at imap-client.c:931
        _data_stack_cur_id = 3
        remove_io = false
        handled_commands = false
        client = 0x559b3db19010
#20 0x0000559b3d6174b5 in client_input (client=0x559b3db19010) at imap-client.c:973
        cmd = 0xa51de
        output = 0x559b3db19a30
        bytes = 8
        __FUNCTION__ = "client_input"
#21 0x00007fe01d9e5b2c in io_loop_call_io (io=0x559b3db19b00) at ioloop.c:540
        ioloop = 0x559b3db00770
        t_id = 2
        __FUNCTION__ = "io_loop_call_io"
#22 0x00007fe01d9e6e35 in io_loop_handler_run_internal (ioloop=ioloop at entry=0x559b3db00770) at ioloop-epoll.c:220
        ctx = 0x559b3db01510
        io = <optimized out>
        tv = {tv_sec = 1799, tv_usec = 999712}
        events_count = <optimized out>
        msecs = <optimized out>
        ret = 1
        i = 0
        j = <optimized out>
        call = <optimized out>
        __FUNCTION__ = "io_loop_handler_run_internal"
#23 0x00007fe01d9e5bb5 in io_loop_handler_run (ioloop=ioloop at entry=0x559b3db00770) at ioloop.c:588
No locals.
#24 0x00007fe01d9e5d58 in io_loop_run (ioloop=0x559b3db00770) at ioloop.c:564
        __FUNCTION__ = "io_loop_run"
#25 0x00007fe01d981213 in master_service_run (service=0x559b3db00610, callback=<optimized out>) at master-service.c:642
No locals.
#26 0x0000559b3d60a8f7 in main (argc=1, argv=0x559b3db00390) at main.c:443
        set_roots = {0x559b3d833740 <imap_setting_parser_info>, 0x0}
        login_set = {auth_socket_path = 0x559b3daf8048 "\001", postlogin_socket_path = 0x0, postlogin_timeout_secs = 60, callback = 0x559b3d624150 <login_client_connected>, failure_callback = 0x559b3d623ac0 <login_client_failed>, 
          request_auth_token = 1}
        service_flags = <optimized out>
        storage_service_flags = <optimized out>
        username = 0x0
        c = <optimized out>
(gdb)

-- 
Eugene Paskevich | *==)----------- | Plug me into
eugene at raptor.kiev.ua | -----------(==* | The Matrix