[2.2.25 auth issue] auth-request.c: line 1049 (auth_request_lookup_credentials): assertion failed: (request->credentials_scheme == scheme)

[Aki Tuomi]

On 09.07.2016 10:55, Alexey Asemov (Alex/AT) wrote:
> Hello,
>
> Since updating to 2.2.25, we do have the following issue (seems to be
> related to the new auth policy code):
>
> Jul  9 00:00:14 LXmail01 dovecot: auth-worker(6558):
> sql(user at domain.org,*.*.*.*,<wjpa7SY3nNFR8yTo>): unknown user
> Jul  9 00:00:14 LXmail01 dovecot: auth: Panic: file auth-request.c:
> line 1049 (auth_request_lookup_credentials): assertion failed:
> (request->credentials_scheme == scheme)
> Jul  9 00:00:14 LXmail01 dovecot: auth: Error: Raw backtrace:
> /usr/lib64/dovecot/libdovecot.so.0(+0x8d57e) [0x7f197bd8157e] ->
> /usr/lib64/dovecot/libdovecot.so.0(+0x8d65e) [0x7f197bd8165e] ->
>  /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f197bd201f6] ->
> dovecot/auth [1 wait, 0 passdb, 0 userdb](+0x1a15a) [0x7f197c44715a]
> -> dovecot/auth [1 wait, 0 passdb, 0 userdb](+0x26f8f)
> [0x7f197c453f8f] -> dovecot/auth [1 wait, 0 passdb, 0
> userdb](+0x19d2b) [0x7f197c446d2b] -> dovecot/auth [1 wait, 0 passdb,
> 0 userdb](auth_request_lookup_credentials_callback+0x68) [0x7f197c4
> 46e28] -> dovecot/auth [1 wait, 0 passdb, 0
> userdb](passdb_handle_credentials+0x92) [0x7f197c457742] ->
> dovecot/auth [1 wait, 0 passdb, 0 userdb](+0x2af06) [0x7f197c457f06]
> -> dovecot/auth [1
>  wait, 0 passdb, 0 userdb](+0x2065a) [0x7f197c44d65a] ->
> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x4c)
> [0x7f197bd94edc] ->
> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_in
> ternal+0xff) [0x7f197bd9633f] ->
> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x25)
> [0x7f197bd94f65] ->
> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f197bd95118]
> -> /usr
> /lib64/dovecot/libdovecot.so.0(master_service_run+0x13)
> [0x7f197bd26663] -> dovecot/auth [1 wait, 0 passdb, 0
> userdb](main+0x3a1) [0x7f197c43cbe1] ->
> /lib64/libc.so.6(__libc_start_main+0xf5)
> [0x7f197b30ab15] -> dovecot/auth [1 wait, 0 passdb, 0 userdb](+0xfdd1)
> [0x7f197c43cdd1]
> Jul  9 00:00:14 LXmail01 dovecot: auth: Fatal: master: service(auth):
> child 6555 killed with signal 6 (core dumps disabled)
> Jul  9 00:00:14 LXmail01 dovecot: pop3-login: Warning: Auth connection
> closed with 1 pending requests (max 1 secs, pid=8133, EOF)
>
> Environment is MySQL passdb/userdb, we are using plain scheme as
> default and password_noscheme field. In 2.2.24 and below auth worked
> without scratch. Reverting all policy-related commits in 2.2.25 fixes
> this, but I have not dug the details.
>
> KR,
>
> Alex

Hi!

Could you provide your doveconf -n so we could debug this?

Aki