Latest git FATAL error

Joan Moreau jom at grosjo.net
Sat Apr 24 21:56:58 EEST 2021 

chroot= does not resolve the issue

I have "chroot = login" in my conf

Here is the coredump

[root at gjserver coredump]# gdb /usr/libexec/dovecot/imap-login 
core.imap-login.76.bb9d94dc52924cc1a339505741fb5458.1632413.1619290159000000
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Reading symbols from /usr/libexec/dovecot/imap-login...
[New LWP 1632413]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `dovecot/imap-login'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f7a33003ef5 in raise () from /usr/lib/libc.so.6
(gdb) bt full
#0  0x00007f7a33003ef5 in raise () from /usr/lib/libc.so.6
No symbol table info available.
#1  0x00007f7a32fed862 in abort () from /usr/lib/libc.so.6
No symbol table info available.
#2  0x00007f7a331e9377 in default_fatal_finish (status=0, 
type=LOG_TYPE_PANIC) at failures.c:459
         backtrace = 0x55d70a134c40 "#0 
fatal_handler_real[0x7f7a33293670] -> #1 
i_internal_fatal_handler[0x7f7a332937a0] -> #2 i_panic[0x7f7a331e8f79] 
-> #3 client_disconnect.cold[0x7f7a33365722] -> #4 
client_destroy[0x7f7a333683a0] -> "...
         backtrace = <optimized out>
         recursed = 0
#3  fatal_handler_real (ctx=<optimized out>, format=<optimized out>, 
args=<optimized out>) at failures.c:471
         status = 0
#4  0x00007f7a332937c1 in i_internal_fatal_handler (ctx=<optimized out>, 
format=<optimized out>, args=<optimized out>) at failures.c:866
No locals.
#5  0x00007f7a331e903f in i_panic (format=format at entry=0x7f7a333710c8 
"file %s: line %d (%s): assertion failed: (%s)") at failures.c:523
         ctx = {type = LOG_TYPE_PANIC, exit_status = 0, timestamp = 0x0, 
timestamp_usecs = 0, log_prefix = 0x0, log_prefix_type_pos = 0}
         args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 
0x7fff0dd2acf0, reg_save_area = 0x7fff0dd2ac30}}
#6  0x00007f7a3336574a in client_disconnect 
(add_disconnected_prefix=false, reason=<optimized out>, 
client=0x55d70a1a98c8) at client-common.c:293
         __func__ = "client_disconnect"
         extra_reason = <optimized out>
         event = <optimized out>
         _tmp_event = <optimized out>
         _tmp_event = <optimized out>
#7  client_disconnect (client=0x55d70a1a98c8, reason=<optimized out>, 
add_disconnected_prefix=<optimized out>) at client-common.c:255
         __func__ = "client_disconnect"
         extra_reason = <optimized out>
         event = <optimized out>
         _tmp_event = <optimized out>
         _tmp_event = <optimized out>
#8  0x00007f7a33368436 in client_destroy (client=<optimized out>, 
reason=<optimized out>) at client-common.c:315
         __func__ = "client_destroy"
#9  0x00007f7a3336a4ce in sasl_callback (client=<optimized out>, 
sasl_reply=SASL_SERVER_REPLY_SUCCESS, data=0x0, args=<optimized out>) at 
client-common-auth.c:742
         reply = {master_user = 0x0, reason = 0x0, fail_code = 
CLIENT_AUTH_FAIL_CODE_NONE, host = 0x0, hostip = 0x0, source_ip = 0x0, 
destuser = 0x0, password = 0x0, proxy_mech = 0x0,
           port = 0, proxy_timeout_msecs = 0, proxy_refresh_secs = 0, 
proxy_host_immediate_failure_after_secs = 0, ssl_flags = 0, all_fields = 
0x0, proxy = false,
           proxy_nopipelining = false, proxy_not_trusted = false, nologin 
= false}
         __func__ = "sasl_callback"
#10 0x00007f7a33218c04 in master_auth_connection_input (conn=<optimized 
out>) at master-auth.c:156
         reply = <optimized out>
         ret = <optimized out>
#11 0x00007f7a332a9309 in io_loop_call_io (io=0x55d70a1b87a0) at 
ioloop.c:715
         ioloop = 0x55d70a13d2c0
         t_id = 2
         __func__ = "io_loop_call_io"
#12 0x00007f7a332aa932 in io_loop_handler_run_internal 
(ioloop=ioloop at entry=0x55d70a13d2c0) at ioloop-epoll.c:222
         ctx = 0x55d70a141380
         events = <optimized out>
         event = 0x55d70a141400
         list = 0x55d70a1b8800
         io = <optimized out>
         tv = {tv_sec = 29, tv_usec = 998424}
         events_count = <optimized out>
         msecs = <optimized out>
         ret = 1
         i = 0
--Type <RET> for more, q to quit, c to continue without paging--
         j = 0
         call = <optimized out>
         __func__ = "io_loop_handler_run_internal"
#13 0x00007f7a332a93b0 in io_loop_handler_run (ioloop=0x55d70a13d2c0) at 
ioloop.c:767
         __func__ = "io_loop_handler_run"
#14 0x00007f7a332a9570 in io_loop_run (ioloop=0x55d70a13d2c0) at 
ioloop.c:740
         __func__ = "io_loop_run"
#15 0x00007f7a3321dcb3 in master_service_run (service=0x55d70a13d120, 
callback=callback at entry=0x7f7a3336e340 <client_connected>) at 
master-service.c:862
No locals.
#16 0x00007f7a3336eb7d in login_binary_run (binary=<optimized out>, 
argc=<optimized out>, argv=<optimized out>) at main.c:562
         service_flags = <optimized out>
         set_pool = 0x55d70a144de0
         login_socket = 0x7f7a3337337d "login"
         c = <optimized out>
#17 0x00007f7a32feeb25 in __libc_start_main () from /usr/lib/libc.so.6
No symbol table info available.
#18 0x000055d70823a84e in _start ()
No symbol table info available.

On 2021-04-24 09:41, Aki Tuomi wrote:

> On April 24, 2021 8:19:55 AM UTC, Joan Moreau <jom at grosjo.net> wrote:
> 
>> Hello
>> 
>> On latest git of dovecot, I get
>> 
>> Apr 24 04:07:36 gjserver dovecot[857958]: imap-login: Panic: file
>> client-common.c: line 293 (client_disconnect): assertion failed:
>> (client->prev == NULL && client->next == NULL)
>> 
>> and login process crash
>> 
>> On 2.3.14, there is no problems
>> 
>> Hope it helps
>> 
>> JM
> 
> Hi!
> 
> Can you try
> 
> service imap-login {
> chroot=
> }
> 
> and see if you can get a core dump? gdb bt full output would be useful.
> 
> Aki
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