[Dovecot] v2.2.8 released / service(imap): child 35198 killed with signal 6

[Marcin Mirosław]

W dniu 19.11.2013 22:23, Timo Sirainen pisze:
> http://dovecot.org/releases/2.2/dovecot-2.2.8.tar.gz
> http://dovecot.org/releases/2.2/dovecot-2.2.8.tar.gz.sig
Hi again!
I've found one coredump today. Below is backtrace:

> echo "bt"|gdb -q /usr/libexec/dovecot/imap 'core-1385023584-8-6-!usr!libexec!dovecot!imap-35198'                                          [2/12946]
> Reading symbols from /usr/libexec/dovecot/imap...Reading symbols from /usr/lib64/debug/usr/libexec/dovecot/imap.debug...done.
> done.
> [New LWP 35198]
> 
> 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'.
> Program terminated with signal 6, Aborted.
> #0  0x00007228b8bccee5 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
> 64        return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
> (gdb) #0  0x00007228b8bccee5 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
> #1  0x00007228b8bce368 in __GI_abort () at abort.c:91
> #2  0x00007228b8ff8a47 in default_fatal_finish (type=<optimized out>, status=status at entry=0) at failures.c:192
> #3  0x00007228b8ff8a8e in i_internal_fatal_handler (ctx=0x7bbaa2e4be50, format=<optimized out>, args=<optimized out>) at failures.c:653
> #4  0x00007228b8ff9afb in i_panic (format=format at entry=0x7228b9145780 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:264
> #5  0x00007228b90b07ea in imapc_mail_fetch_callback (reply=0x7bbaa2e4bfa0, context=0x3516509d250) at imapc-mail-fetch.c:44
> #6  0x00007228b90b9ac0 in imapc_command_reply_free (reply=0x7bbaa2e4bfa0, cmd=0x351650a1ba0) at imapc-connection.c:975
> #7  imapc_command_send_more (conn=conn at entry=0x35165095650) at imapc-connection.c:1647
> #8  0x00007228b90ba1a8 in imapc_connection_cmd_send (cmd=cmd at entry=0x351650a1ba0) at imapc-connection.c:1733
> #9  0x00007228b90bc528 in imapc_command_send (cmd=cmd at entry=0x351650a1ba0, cmd_str=<optimized out>) at imapc-connection.c:1793
> #10 0x00007228b90b0943 in imapc_mail_fetch_flush (mbox=mbox at entry=0x35165125d00) at imapc-mail-fetch.c:388
> #11 0x00007228b90b6c7d in imapc_mailbox_run (mbox=mbox at entry=0x35165125d00) at imapc-storage.c:118
> #12 0x00007228b90b13f8 in imapc_mail_fetch (_mail=_mail at entry=0x351651342e0, fields=<optimized out>, headers=headers at entry=0x0) at imapc-mail-fetch.c:371
> #13 0x00007228b90af605 in imapc_mail_get_stream (_mail=0x351651342e0, get_body=false, hdr_size=0x0, body_size=0x0, stream_r=0x7bbaa2e4c160) at imapc-mail.c:249
> #14 0x00007228b90c0a5f in mail_get_hdr_stream (mail=mail at entry=0x351651342e0, hdr_size=hdr_size at entry=0x0, stream_r=stream_r at entry=0x7bbaa2e4c160) at mail.c:226
> #15 0x00007228b90f976d in index_mail_get_header_stream (_mail=0x351651342e0, headers=0x35165139090, stream_r=0x7bbaa2e4c1f0) at index-mail-headers.c:837
> #16 0x00007228b913ae12 in imap_msgpart_open_normal (result_r=0x7bbaa2e4c2c0, part_size_r=0x7bbaa2e4c210, part=0x0, msgpart=0x3516512e5f0, mail=0x351651342e0) at imap-msgpart.c:574
> #17 imap_msgpart_open (mail=mail at entry=0x351651342e0, msgpart=0x3516512e5f0, result_r=result_r at entry=0x7bbaa2e4c2c0) at imap-msgpart.c:655
> #18 0x0000035161557875 in fetch_body_msgpart (ctx=0x351650a5388, mail=0x351651342e0, body=0x351651302a0) at imap-fetch-body.c:166
> #19 0x0000035161555380 in imap_fetch_more_int (ctx=ctx at entry=0x351650a5388, cancel=false) at imap-fetch.c:504
> #20 0x0000035161556911 in imap_fetch_more (ctx=0x351650a5388, cmd=cmd at entry=0x351650a5070) at imap-fetch.c:556
> #21 0x0000035161547223 in cmd_fetch (cmd=0x351650a5070) at cmd-fetch.c:279
> #22 0x000003516155346c in command_exec (cmd=cmd at entry=0x351650a5070) at imap-commands.c:158
> #23 0x0000035161551e20 in client_command_input (cmd=0x351650a5070) at imap-client.c:780
> #24 0x0000035161551f22 in client_command_input (cmd=0x351650a5070) at imap-client.c:841
> #25 0x00000351615522e5 in client_handle_next_command (remove_io_r=<synthetic pointer>, client=0x351650a4860) at imap-client.c:879
> #26 client_handle_input (client=client at entry=0x351650a4860) at imap-client.c:891
> #27 0x00000351615527ae in client_input (client=0x351650a4860) at imap-client.c:933
> #28 0x00007228b900ee37 in io_loop_call_io (io=0x35165097ce0) at ioloop.c:388
> #29 0x00007228b90102ef in io_loop_handler_run (ioloop=ioloop at entry=0x35165051e10) at ioloop-epoll.c:220
> #30 0x00007228b900e738 in io_loop_run (ioloop=0x35165051e10) at ioloop.c:412
> #31 0x00007228b8fa4957 in master_service_run (service=0x35165051ca0, callback=callback at entry=0x3516155ef50 <client_connected>) at master-service.c:566
> #32 0x000003516155f604 in main (argc=1, argv=0x35165051a60) at main.c:400
> (gdb) quit

# grep 35198 /var/log/dovecot.log
2013-11-21T09:45:25.069369+01:00 meteor dovecot: imap-login: Login:
user=<marcin at mejor.pl>, method=CRAM-MD5, rip=83.144.yyy.xxx,
lip=88.198.102.195, mpid=35198, TLS, session=<nv0266vrkgBTkHPS>
2013-11-21T09:46:24.401517+01:00 meteor dovecot: imap(marcin at mejor.pl)
<nv0266vrkgBTkHPS>: Fatal: master: service(imap): child 35198 killed
with signal 6 (core dumped)


Regards!
Marcin