Core Dumps with dovecot-2.2 -git as of 2.2.devel (eaf276b33)

[Aki Tuomi]

Are you using the xi packages? If yes, can you please send me one fresh core?

Aki

> On October 12, 2017 at 8:43 AM Aki Tuomi <aki.tuomi at dovecot.fi> wrote:
> 
> 
> We'll take a look
> 
> 
> ---Aki TuomiDovecot oy
> -------- Original message --------From: Reuben Farrelly <reuben-dovecot at reub.net> Date: 12/10/2017  07:50  (GMT+02:00) To: Aki Tuomi <aki.tuomi at dovecot.fi> Subject: Re: Core Dumps with dovecot-2.2 -git as of 2.2.devel (eaf276b33) 
> Hi Aki,
> 
> I think I posted a bt full of this in the original email I sent to the list:
> 
> https://www.dovecot.org/pipermail/dovecot/2017-October/109583.html
> 
> I've got heaps of coredumps if we need to pick apart one specific one 
> now though.
> 
> Reuben
> 
> 
> On 12/10/2017 3:36 PM, Aki Tuomi wrote:
> > can you provide bt full output from core?
> > 
> > 
> > 
> > ---
> > Aki Tuomi
> > Dovecot oy
> > 
> > -------- Original message --------
> > From: Reuben Farrelly <reuben-dovecot at reub.net>
> > Date: 12/10/2017 06:22 (GMT+02:00)
> > To: Aki Tuomi <aki.tuomi at dovecot.fi>, dovecot at dovecot.org
> > Subject: Re: Core Dumps with dovecot-2.2 -git as of 2.2.devel (eaf276b33)
> > 
> > Hi,
> > 
> > Just to confirm this is still a major problem for me with the 2.2.33.1 
> > release (did not exist in previous releases).
> > 
> > Reuben
> > 
> > 
> > On 8/10/2017 6:30 AM, Aki Tuomi wrote:
> >> Thanks! We'll look into it.
> >>
> >>
> >>
> >> ---
> >> Aki Tuomi
> >> Dovecot oy
> >>
> >> -------- Original message --------
> >> From: Reuben Farrelly <reuben-dovecot at reub.net>
> >> Date: 07/10/2017 13:08 (GMT+02:00)
> >> To: dovecot at dovecot.org
> >> Subject: Core Dumps with dovecot-2.2 -git as of 2.2.devel (eaf276b33)
> >>
> >> This appears to be breaking dsync at the moment and is caused by
> >> something committed in the last week or so.  This is with the current
> >> -git of dovecot-2.2 (eaf276b33).
> >>
> >> The crash happens all the time - the logs are full of this message.
> >>
> >> Oct  7 20:31:24 thunderstorm.reub.net dovecot: doveadm: Warning: I/O
> >> leak: 0x7f8bb6581b4c (ostream-file.c:350, fd 14)
> >> Oct  7 20:31:24 thunderstorm.reub.net dovecot: doveadm: Panic: file
> >> ioloop.c: line 126 (io_remove_full): assertion failed: (io->callback !=
> >> NULL)
> >> Oct  7 20:31:24 thunderstorm.reub.net dovecot: doveadm: Error: Raw
> >> backtrace: /usr/lib64/dovecot/libdovecot.so.0(+0xd48a6) [0x7f8bb654a8a6]
> >> -> /usr/lib64/dovecot/li
> >> bdovecot.so.0(+0xd5e26) [0x7f8bb654be26] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f8bb654ac39] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(+0xf5cb0) [0x7f8bb6
> >> 56bcb0] -> /usr/lib64/dovecot/libdovecot.so.0(io_remove+0x1d)
> >> [0x7f8bb656be31] -> /usr/lib64/dovecot/libdovecot.so.0(+0x10b5f8)
> >> [0x7f8bb65815f8] -> /usr/lib64/dovec
> >> ot/libdovecot.so.0(o_stream_cork+0x5a) [0x7f8bb657e289] ->
> >> /usr/lib64/dovecot/libssl_iostream_openssl.so(+0x6406) [0x7f8bb12d6406]
> >> -> /usr/lib64/dovecot/libssl_iost
> >> ream_openssl.so(openssl_iostream_bio_sync+0x18) [0x7f8bb12d6af6] ->
> >> /usr/lib64/dovecot/libssl_iostream_openssl.so(+0xa52e) 
> >> [0x7f8bb12da52e] -> /
> >> usr/lib64/dovecot/libssl_iostream_openssl.so(+0xa6ef) [0x7f8bb12da6ef]
> >> -> /usr/lib64/dovecot/libdovecot.so.0(o_stream_sendv+0xc7)
> >> [0x7f8bb657e765] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(o_stream_send+0x61) [0x7f8bb657e688]
> >> -> /usr/lib64/dovecot/libdovecot.so.0(+0x10dc2c) [0x7f8bb6583c2c] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(+0x10ddd4) [0x7f8bb6583dd4] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(o_stream_sendv+0xc7) [0x7f8bb657e765]
> >> -> /usr/lib64/dovecot/libdovecot.so.0(o_stream_nsendv+0x55)
> >> [0x7f8bb657e93f] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(o_stream_nsend+0x61) [0x7f8bb657e8d3]
> >> -> dovecot/doveadm-server() [0x444a35] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(i_warning+0xce) [0x7f8bb654afdc] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(io_loop_destroy+0x2ca)
> >> [0x7f8bb656d8cd] -> dovecot/doveadm-server() [0x4454d1] ->
> >> dovecot/doveadm-server() [0x445793] -> dovecot/doveadm-server()
> >> [0x445dd6] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0xd6)
> >> [0x7f8bb656d241] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x225)
> >> [0x7f8bb656fe58] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x3e)
> >> [0x7f8bb656d422] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0xbe)
> >> [0x7f8bb656d345]
> >> Oct  7 20:31:24 thunderstorm.reub.net dovecot: doveadm: Fatal: master:
> >> service(doveadm): child 27186 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/doveadm-server', real uid: 0, effective uid: 0, real gid:
> >> 0, effective gid: 0, execfn: '/usr/libexec/dovecot/doveadm-server',
> >> platform: 'x86_64'
> >>
> >> thunderstorm reuben # gdb /usr/libexec/dovecot/doveadm-server core
> >> GNU gdb (Gentoo 8.0.1 vanilla) 8.0.1
> >> Copyright (C) 2017 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/doveadm-server...done.
> >> [New LWP 27186]
> >> [Thread debugging using libthread_db enabled]
> >> Using host libthread_db library "/lib64/libthread_db.so.1".
> >> Core was generated by `dovecot/doveadm-server'.
> >> Program terminated with signal SIGABRT, Aborted.
> >> #0  0x00007f8bb60e7f70 in raise () from /lib64/libc.so.6
> >> (gdb) bt full
> >> #0  0x00007f8bb60e7f70 in raise () from /lib64/libc.so.6
> >> No symbol table info available.
> >> #1  0x00007f8bb60e9aa7 in abort () from /lib64/libc.so.6
> >> No symbol table info available.
> >> #2  0x00007f8bb654a8f5 in default_fatal_finish (type=LOG_TYPE_PANIC,
> >> status=0) at failures.c:201
> >>          backtrace = 0x228e4d8
> >> "/usr/lib64/dovecot/libdovecot.so.0(+0xd48a6) [0x7f8bb654a8a6] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(+0xd5e26) [0x7f8bb654be26] ->
> >> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f8bb654ac39] -> /usr"...
> >> #3  0x00007f8bb654be26 in i_internal_fatal_handler (ctx=0x7ffef81daa50,
> >> format=0x7f8bb65ba898 "file %s: line %d (%s): assertion failed: (%s)",
> >> args=0x7ffef81daa70)
> >>      at failures.c:670
> >>          status = 0
> >> #4  0x00007f8bb654ac39 in i_panic (format=0x7f8bb65ba898 "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 = {{gp_offset = 40, fp_offset = 48, overflow_arg_area =
> >> 0x7ffef81dab50, reg_save_area = 0x7ffef81daa90}}
> >