Hi,
I have captured a first core dump:
Jun 02 19:02:37 Panic: imap(user3@email.com) session=<w9aiAcvDmtIlnx0R>: file index-mail-headers.c: line 198 (index_mail_parse_header_init): assertion failed: (!mail->data.header_parser_initialized) Jun 02 19:02:37 Error: imap(user3@email.com) session=<w9aiAcvDmtIlnx0R>: Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(backtrace_append+0x42) [0x7f8a36238ac2] -> /usr/lib64/dovecot/libdovecot.so.0(backtrace_get+0x1e) [0x7f8a36238bce] -> /usr/lib64/dovecot/libdovecot.so.0(+0xf3cde) [0x7f8a36245cde] -> /usr/lib64/dovecot/libdovecot.so.0(+0xf3d81) [0x7f8a36245d81] -> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f8a3619725a] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_mail_parse_header_init+0x3b9) [0x7f8a365c6dc9] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_mail_parse_headers_internal+0x2b) [0x7f8a365c77eb] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_mail_init_stream+0x19f) [0x7f8a365cab9f] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x77428) [0x7f8a36580428] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_get_stream_because+0x64) [0x7f8a365485a4] -> /usr/lib64/dovecot/libdovecot-storage.so.0(+0x77207) [0x7f8a36580207] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mail_get_virtual_size+0x38) [0x7f8a36548158] -> /usr/lib64/dovecot/libdovecot-storage.so.0(maildir_save_finish+0x154) [0x7f8a36581504] -> /usr/lib64/dovecot/libdovecot-storage.so.0(mailbox_save_cancel+0x3e) [0x7f8a3655739e] -> dovecot/imap user3@email.com 45.7629.17 APPEND [0x561344cb55d2] -> dovecot/imap user3@email.com 45.7629.17 APPEND [0x561344cb6918] -> dovecot/imap user3@email.com 45.7629.17 APPEND [0x561344cc5614] -> dovecot/imap user3@email.com 45.7629.17 APPEND [0x561344cc2dc9] -> dovecot/imap user3@email.com 45.7629.17 APPEND [0x561344cc2ef4] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handle_timeouts+0x12b) [0x7f8a3625dd3b] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0xcc) [0x7f8a3625f89c] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x59) [0x7f8a3625e049] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f8a3625e288] -> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f8a361c8bb3] -> dovecot/imap user3@email.com 45.7629.17 APPEND [0x561344cb5202] -> /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f8a35da6555] -> dovecot/imap user3@email.com 45.7629.17 APPEND [0x561344cb5405] Jun 02 19:02:37 Fatal: imap(user3@email.com) session=<w9aiAcvDmtIlnx0R>: master: service(imap): child 31649 killed with signal 6 (core dumped)
[root@popimap ~]# gdb /usr/libexec/dovecot/imap /var/core/core.imap.31649 GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-120.el7 Copyright (C) 2013 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-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/libexec/dovecot/imap...Reading symbols from /usr/lib/debug/usr/libexec/dovecot/imap.debug...done. done. [New LWP 31649] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `dovecot/imap [user3@cs-ins'. Program terminated with signal 6, Aborted. #0 0x00007f8a35dba387 in raise () from /lib64/libc.so.6 Missing separate debuginfos, use: debuginfo-install bzip2-libs-1.0.6-13.el7.x86_64 expat-2.1.0-12.el7.x86_64 glibc-2.17-324.el7_9.x86_64 libgcc-4.8.5-44.el7.x86_64 libzstd-1.4.9-1.el7.x86_64 xz-libs-5.2.2-1.el7.x86_64 zlib-1.2.7-19.el7_9.x86_64 (gdb) bt full #0 0x00007f8a35dba387 in raise () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f8a35dbba78 in abort () from /lib64/libc.so.6 No symbol table info available. #2 0x00007f8a36245c97 in default_fatal_finish (status=0, type=<optimized out>) at failures.c:459 backtrace = 0x5613451213d0 "/usr/lib64/dovecot/libdovecot.so.0(backtrace_append+0x42) [0x7f8a36238ac2] -> /usr/lib64/dovecot/libdovecot.so.0(backtrace_get+0x1e) [0x7f8a36238bce] -> /usr/lib64/dovecot/libdovecot.so.0(+0xf3cde) [0"... recursed = 0 #3 fatal_handler_real (ctx=<optimized out>, format=<optimized out>, args=<optimized out>) at failures.c:471 status = 0 #4 0x00007f8a36245d81 in i_internal_fatal_handler (ctx=<optimized out>, format=<optimized out>, args=<optimized out>) at failures.c:866 No locals. #5 0x00007f8a3619725a in i_panic (format=format@entry=0x7f8a3660dd20 "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 = 0x7ffd6e029ce0, reg_save_area = 0x7ffd6e029c20}} #6 0x00007f8a365c6dc9 in index_mail_parse_header_init (mail=mail@entry=0x56134519fc58, headers=headers@entry=0x0) at index-mail-headers.c:198 data = 0x56134519fde8 match = <optimized out> i = <optimized out> field_idx = <optimized out> match_count = <optimized out> __func__ = "index_mail_parse_header_init" #7 0x00007f8a365c77eb in index_mail_parse_headers_internal (mail=mail@entry=0x56134519fc58, headers=headers@entry=0x0) at index-mail-headers.c:448 data = 0x56134519fde8 __func__ = "index_mail_parse_headers_internal" #8 0x00007f8a365cab9f in index_mail_init_stream (mail=mail@entry=0x56134519fc58, hdr_size=hdr_size@entry=0x7ffd6e029e90, body_size=body_size@entry=0x7ffd6e029eb0, stream_r=stream_r@entry=0x7ffd6e029e88) at index-mail.c:1352 _mail = 0x56134519fc58 data = 0x56134519fde8 input = <optimized out> has_nuls = false body_size_from_stream = false ret = <optimized out> want_attachment_kw = true #9 0x00007f8a36580428 in maildir_mail_get_stream (_mail=0x56134519fc58, get_body=<optimized out>, hdr_size=0x7ffd6e029e90, body_size=0x7ffd6e029eb0, stream_r=0x7ffd6e029e88) at maildir-mail.c:622 mail = 0x56134519fc58 ---Type <return> to continue, or q <return> to quit--- mbox = <optimized out> data = 0x56134519fde8 deleted = <optimized out> #10 0x00007f8a365485a4 in mail_get_stream_because (mail=mail@entry=0x56134519fc58, hdr_size=hdr_size@entry=0x7ffd6e029e90, body_size=body_size@entry=0x7ffd6e029eb0, reason=reason@entry=0x7f8a3660dc43 "mail stream", stream_r=stream_r@entry=0x7ffd6e029e88) at mail.c:282 _data_stack_cur_id = 7 p = 0x56134519fc58 ret = <optimized out> __func__ = "mail_get_stream_because" #11 0x00007f8a3654864f in mail_get_stream (mail=mail@entry=0x56134519fc58, hdr_size=hdr_size@entry=0x7ffd6e029e90, body_size=body_size@entry=0x7ffd6e029eb0, stream_r=stream_r@entry=0x7ffd6e029e88) at mail.c:265 No locals. #12 0x00007f8a36580207 in maildir_mail_get_virtual_size (_mail=0x56134519fc58, size_r=0x5613451a4c40) at maildir-mail.c:413 mbox = <optimized out> mail = 0x56134519fc58 data = 0x56134519fde8 hdr_size = {physical_size = 94640763388200, virtual_size = 94640763713152, lines = 1159209968} body_size = {physical_size = 94640763713152, virtual_size = 94640763713152, lines = 1159020840} input = 0x56134515c528 old_offset = 0 __func__ = "maildir_mail_get_virtual_size" #13 0x00007f8a36548158 in mail_get_virtual_size (mail=0x56134519fc58, size_r=0x5613451a4c40) at mail.c:176 _data_stack_cur_id = 6 p = 0x56134519fc58 ret = <optimized out> #14 0x00007f8a36581504 in maildir_save_finish_real (_ctx=0x5613451a4a08) at maildir-save.c:563 ctx = 0x5613451a4a08 storage = 0x56134515c528 output_errno = <optimized out> path = 0x561345121038 "/home/vmail/nas00/domains/I/email.com/user3/Maildir/.Sent/tmp/1622651557.M210317P31649.popimap.mailserver.net" output_errstr = <optimized out> real_size = <optimized out> size = 0 #15 maildir_save_finish (ctx=0x5613451a4a08) at maildir-save.c:634 _data_stack_cur_id = 5 #16 0x00007f8a3655739e in mailbox_save_cancel (_ctx=<optimized out>) at mail-storage.c:2683 ctx = <optimized out> #17 0x0000561344cb55d2 in cmd_append_finish (ctx=ctx@entry=0x561345159540) at cmd-append.c:144 __func__ = "cmd_append_finish" #18 0x0000561344cb6918 in cmd_append_continue_message (cmd=0x5613451593a8) at cmd-append.c:886 ---Type <return> to continue, or q <return> to quit--- lit_offset = <optimized out> client = 0x561345154128 ctx = 0x561345159540 ret = <optimized out> #19 0x0000561344cc5614 in command_exec (cmd=0x5613451593a8) at imap-commands.c:201 hook = 0x56134512c630 finished = <optimized out> __func__ = "command_exec" #20 0x0000561344cc2dc9 in client_command_cancel (_cmd=_cmd@entry=0x7ffd6e02a0c0) at imap-client.c:267 cmd = 0x5613451593a8 cmd_ret = <optimized out> #21 0x0000561344cc2ef4 in client_default_destroy (client=0x561345154128, reason=0x561344cd9470 "Disconnected for inactivity") at imap-client.c:455 cmd = 0x5613451593a8 __func__ = "client_default_destroy" #22 0x00007f8a3625dd3b in io_loop_handle_timeouts_real (ioloop=0x56134512a030) at ioloop.c:681 timeout = 0x561345159300 tv_old = {tv_sec = 1622651562, tv_usec = 154561} tv = {tv_sec = 0, tv_usec = 0} tv_call = {tv_sec = 1622653357, tv_usec = 246247} t_id = 3 item = 0x561345159300 diff_usecs = <optimized out> #23 io_loop_handle_timeouts (ioloop=ioloop@entry=0x56134512a030) at ioloop.c:695 _data_stack_cur_id = 2 #24 0x00007f8a3625f89c in io_loop_handler_run_internal (ioloop=ioloop@entry=0x56134512a030) at ioloop-epoll.c:195 ctx = 0x56134512acb0 events = <optimized out> list = <optimized out> io = <optimized out> tv = {tv_sec = 1795, tv_usec = 60554} events_count = 7 msecs = 1795061 ret = 0 i = <optimized out> call = <optimized out> __func__ = "io_loop_handler_run_internal" #25 0x00007f8a3625e049 in io_loop_handler_run (ioloop=ioloop@entry=0x56134512a030) at ioloop.c:766 __func__ = "io_loop_handler_run" #26 0x00007f8a3625e288 in io_loop_run (ioloop=0x56134512a030) at ioloop.c:739 __func__ = "io_loop_run" #27 0x00007f8a361c8bb3 in master_service_run (service=0x561345129e90, callback=callback@entry=0x561344cd2220 <client_connected>) ---Type <return> to continue, or q <return> to quit--- at master-service.c:853 No locals. #28 0x0000561344cb5202 in main (argc=2, argv=0x561345129b90) at main.c:546 set_roots = {0x7f8a364fd0c0 <smtp_submit_setting_parser_info>, 0x561344ee45e0 <imap_setting_parser_info>, 0x0} login_set = { auth_socket_path = 0x5613451214d8 "0x7f8a36245d81] -> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f8a3619725a] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_mail_parse_header_init+0x3b9) [0x7f8a365c6dc9] -> /usr/lib64/dovec"..., postlogin_socket_path = 0x561345121508 ".so.0(i_fatal+0) [0x7f8a3619725a] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_mail_parse_header_init+0x3b9) [0x7f8a365c6dc9] -> /usr/lib64/dovecot/libdovecot-storage.so.0(index_mail_parse_head"..., postlogin_timeout_secs = 60, callback = 0x561344cd2c20 <login_client_connected>, failure_callback = 0x561344cd2330 <login_client_failed>, request_auth_token = true} service_flags = <optimized out> storage_service_flags = <optimized out> username = 0x0 auth_socket_path = <optimized out> c = <optimized out> error = 0x38000000380 <Address 0x38000000380 out of bounds> (gdb)
Il 01/06/21 07:24, Aki Tuomi ha scritto:
Hi!
Any chance you could collect coredumps for these and posting output of
gdb /usr/lib/dovecot/imap /path/to/core bt full
systemd-coredump can be used for this, and https://www.dovecot.org/bugreport-mail contains hints how to get core dumps otherwise.
Aki
On 31/05/2021 23:32 Alessio Cecchi <alessio@skye.it> wrote:
Hi,
when I check "doveadm log errors" I found some fatal error repeated many times by around the same users
<snip/>
Are already know bugs?
Thanks
-- Alessio Cecchi Postmaster @ http://www.qboxmail.it https://www.linkedin.com/in/alessice
-- Alessio Cecchi Postmaster @ http://www.qboxmail.it https://www.linkedin.com/in/alessice