v2.2.27 Panic: file rfc822-parser.h: line 23 (rfc822_parser_deinit): assertion failed: (ctx->data <= ctx->end)

Jason Lewis jason at dickson.st
Wed Mar 27 01:25:02 EET 2019


Hi Aki,

debian jessie backports has been moved to archive.debian.org and
initially I was unable to install dovecot-dbg because of that. But I've
managed to resolve that issue now.

This was the command I ran:
doveadm -D -f flow fetch imap.envelope mailbox crm-spam.2008.g

Backtrace follows.

Jason

jason at debian:~$ gdb /usr/bin/doveadm /home/jason/core
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
Copyright (C) 2014 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-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
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/bin/doveadm...Reading symbols from
/usr/lib/debug/.build-id/8a/e850dc3cde00618eb0c3386b7404fe984c8118.debug...done.
done.
[New LWP 23099]
Core was generated by `/usr/bin/doveadm -D -f flow fetch imap.envelope
mailbox crm-spam.2008.g'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f3a7bf58067 in __GI_raise (sig=sig at entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
56	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt full
#0  0x00007f3a7bf58067 in __GI_raise (sig=sig at entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 23099
        selftid = 23099
#1  0x00007f3a7bf59448 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction =
0x0}, sa_mask = {__val = {1024, 93886903596007, 93886903463748,
              139889164438341, 93886903464748, 0, 93886931979560, 513,
12274393185022739456, 93886931979560, 139889168940995, 93886931979560,
              140727948500176, 4294967040, 139889168941353,
93886931979560}}, sa_flags = 2083919594, sa_restorer = 0x7ffdc7615d01}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f3a7c3669a6 in default_fatal_finish (type=<optimized out>,
status=status at entry=0) at failures.c:201
        backtrace = 0x5563c13acd60
"/usr/lib/dovecot/libdovecot.so.0(+0x989ae) [0x7f3a7c3669ae] ->
/usr/lib/dovecot/libdovecot.so.0(+0x98a28) [0x7f3a7c366a28] ->
/usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f3a7c2fc67e] ->
/usr/lib/d"...
#3  0x00007f3a7c366a28 in default_fatal_handler (ctx=0x7ffdc7615d20,
format=<optimized out>, args=<optimized out>) at failures.c:215
        status = 0
#4  0x00007f3a7c2fc67e in i_panic (format=format at entry=0x7f3a7c399088
"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 =
0x7ffdc7615e20, reg_save_area = 0x7ffdc7615d60}}
#5  0x00007f3a7c34a97d in rfc822_parser_deinit (ctx=0x7ffdc7615e38,
ctx=0x7ffdc7615e38) at rfc822-parser.h:23
No locals.
#6  message_address_parse_real (pool=pool at entry=0x5563c13e75d0,
    data=data at entry=0x5563c13f3910 "To: bluefrog at dickson.st,
jason at dickson.st, lewisjason at dickson.st, 05 Jul 2008 16:39:47 -0500
PDT6Q--q=dns; c=nofws;d sender)
smtp.mail=Matt_Cooley at postnewsweektech.com; domainkeys=pass (test mode)
hea"..., size=size at entry=64,
    max_addresses=max_addresses at entry=4294967295,
fill_missing=fill_missing at entry=true) at message-address.c:323
        ctx = {pool = 0x5563c13e75d0, parser = {
            data = 0x5563c13f3951 " 05 Jul 2008 16:39:47 -0500
PDT6Q--q=dns; c=nofws;d sender)
smtp.mail=Matt_Cooley at postnewsweektech.com; domainkeys=pass (test mode)
header.From=Matt_Cooley at postnewsweektech.com",
            end = 0x5563c13f3950 ", 05 Jul 2008 16:39:47 -0500
PDT6Q--q=dns; c=nofws;d sender)
smtp.mail=Matt_Cooley at postnewsweektech.com; domainkeys=pass (test mode)
header.From=Matt_Cooley at postnewsweektech.com", last_comment =
0x5563c13acb78}, first_addr = 0x5563c13e7910,
          last_addr = 0x5563c13e7a28, addr = {next = 0x0, name = 0x0,
route = 0x0, mailbox = 0x0, domain = 0x0, invalid_syntax = false},
          str = 0x5563c13acc50, fill_missing = true}
#7  0x00007f3a7c34a9e5 in message_address_parse
(pool=pool at entry=0x5563c13e75d0,
    data=0x5563c13f3910 "To: bluefrog at dickson.st, jason at dickson.st,
lewisjason at dickson.st, 05 Jul 2008 16:39:47 -0500 PDT6Q--q=dns;
c=nofws;d sen---Type <return> to continue, or q <return> to quit---
der) smtp.mail=Matt_Cooley at postnewsweektech.com; domainkeys=pass (test
mode) hea"..., size=64, max_addresses=max_addresses at entry=4294967295,
    fill_missing=fill_missing at entry=true) at message-address.c:338
        _data_stack_cur_id = 4
        addr = <optimized out>
#8  0x00007f3a7c33e374 in imap_envelope_parse_header
(pool=0x5563c13e75d0, data=data at entry=0x5563c13e6ff0,
hdr=hdr at entry=0x5563c13d55a0)
    at imap-envelope.c:147
        d = <optimized out>
        field = IMAP_ENVELOPE_TO
        addr_p = 0x5563c13e7798
        str_p = 0x0
#9  0x00007f3a7c6a222e in index_mail_parse_header (part=<optimized out>,
hdr=0x5563c13d55a0, mail=0x5563c13e6de0) at index-mail-headers.c:298
        _mail = 0x5563c13e6de0
        data = 0x5563c13e6f60
        field_idx = <optimized out>
        count = <optimized out>
        __FUNCTION__ = "index_mail_parse_header"
#10 0x00007f3a7c34779f in read_header (mstream=0x5563c13efef0) at
istream-header-filter.c:246
        orig_matched = true
        matched = true
        max_buffer_size = <optimized out>
        ret = <optimized out>
        hdr = 0x5563c13d55a0
        highwater_offset = <optimized out>
        ret2 = <optimized out>
        hdr_ret = 1
#11 i_stream_header_filter_read (stream=0x5563c13efef0) at
istream-header-filter.c:425
        mstream = 0x5563c13efef0
#12 0x00007f3a7c3717e3 in i_stream_read
(stream=stream at entry=0x5563c13eff60) at istream.c:174
        _stream = 0x5563c13efef0
        old_size = 42
        ret = <optimized out>
        __FUNCTION__ = "i_stream_read"
#13 0x00007f3a7c37222d in i_stream_read_data (stream=0x5563c13eff60,
data_r=data_r at entry=0x7ffdc7616158, size_r=size_r at entry=0x7ffdc7616160,
---Type <return> to continue, or q <return> to quit---
    threshold=threshold at entry=42) at istream.c:569
        ret = <optimized out>
        read_more = false
        __FUNCTION__ = "i_stream_read_data"
#14 0x00007f3a7c34d3d2 in message_parse_header_next (ctx=0x5563c13d9a50,
hdr_r=hdr_r at entry=0x7ffdc76161c0) at message-header-parser.c:84
        line = 0x5563c13d9a50
        msg = 0x5563c13f1a57 "Subject: ADV: Order Reminder:
#317330373\r\n>\r\n"
        i = <optimized out>
        size = 42
        startpos = 41
        colon_pos = 7
        parse_size = <optimized out>
        skip = 0
        ret = <optimized out>
        continued = false
        continues = false
        last_no_newline = <optimized out>
        last_crlf = <optimized out>
        no_newline = false
        crlf_newline = false
        __FUNCTION__ = "message_parse_header_next"
#15 0x00007f3a7c34dd7f in message_parse_header (input=<optimized out>,
hdr_size=hdr_size at entry=0x0,
    flags=flags at entry=(MESSAGE_HEADER_PARSER_FLAG_SKIP_INITIAL_LWSP |
MESSAGE_HEADER_PARSER_FLAG_DROP_CR),
    callback=callback at entry=0x7f3a7c6a19f0
<imap_envelope_parse_callback>, context=context at entry=0x5563c13e6de0) at
message-header-parser.c:391
        hdr_ctx = 0x5563c13d9a50
        hdr = 0x0
        ret = <optimized out>
        __FUNCTION__ = "message_parse_header"
#16 0x00007f3a7c6a3448 in index_mail_headers_get_envelope
(mail=mail at entry=0x5563c13e6de0) at index-mail-headers.c:513
        cache_field_envelope = <optimized out>
        header_ctx = 0x0
        stream = 0x5563c13eff60
        old_offset = 0
---Type <return> to continue, or q <return> to quit---
        str = 0x0
#17 0x00007f3a7c6a76c1 in index_mail_get_special
(_mail=_mail at entry=0x5563c13e6de0, field=<optimized out>,
value_r=value_r at entry=0x7ffdc7616380)
    at index-mail.c:1432
        mail = 0x5563c13e6de0
        data = 0x5563c13e6f60
        cache_fields = <optimized out>
        error = 0x7f3a7c6ac092 <search_more+882> "\204\300A\213\207",
<incomplete sequence \310>
        str = 0x4a
        __FUNCTION__ = "index_mail_get_special"
#18 0x00007f3a7c65ddd3 in maildir_mail_get_special
(_mail=0x5563c13e6de0, field=<optimized out>, value_r=0x7ffdc7616380) at
maildir-mail.c:585
        mail = 0x5563c13e6de0
        mbox = 0x5563c13d4550
        path = <optimized out>
        fname = 0x0
        end = <optimized out>
        guid = <optimized out>
        uidl = <optimized out>
        order = <optimized out>
        st = {st_dev = 93886932064256, st_ino = 93886932171200, st_nlink
= 93886932027904, st_mode = 3241904640, st_uid = 21859,
          st_gid = 3345048439, __pad0 = 32765, st_rdev = 93886932027792,
st_size = 93886932027552, st_blksize = 139889172202932,
          st_blocks = 93886932171288, st_atim = {tv_sec =
139889159904424, tv_nsec = 93886932064256}, st_mtim = {tv_sec =
93886932064256,
            tv_nsec = 93886932217312}, st_ctim = {tv_sec =
-6172350888686812160, tv_nsec = 93886932027904}, __glibc_reserved =
{93886932171200,
            93886932218232, 140727948501888}}
        __FUNCTION__ = "maildir_mail_get_special"
#19 0x00007f3a7c62ea8d in mail_get_special (mail=<optimized out>,
field=field at entry=MAIL_FETCH_IMAP_ENVELOPE,
    value_r=value_r at entry=0x7ffdc7616380) at mail.c:343
        p = <optimized out>
        __FUNCTION__ = "mail_get_special"
#20 0x00005563bf88dca8 in fetch_imap_envelope (ctx=<optimized out>) at
doveadm-mail-fetch.c:410
        value = 0x5563c13b88a0 "\200\210;\301cU"
#21 0x00005563bf88ed7e in cmd_fetch_mail (ctx=<optimized out>) at
doveadm-mail-fetch.c:587
        field__foreach_end = 0x5563c13aa338
        field = 0x5563c13aa320
---Type <return> to continue, or q <return> to quit---
        mail = 0x5563c13e6de0
        ret = 0
#22 cmd_fetch_box (info=<optimized out>, ctx=<optimized out>) at
doveadm-mail-fetch.c:616
        _data_stack_cur_id = 3
        iter = 0x5563c13d44d0
        ret = 0
#23 cmd_fetch_run (_ctx=0x5563c13b88a0, user=0x5a3b) at
doveadm-mail-fetch.c:639
        _data_stack_cur_id = 2
        iter = 0x5563c13d4390
        info = 0x5563c13aa338
#24 0x00005563bf88a57c in doveadm_mail_next_user
(ctx=ctx at entry=0x5563c13b88a0, cctx=cctx at entry=0x7ffdc7616720,
    error_r=error_r at entry=0x7ffdc7616530) at doveadm-mail.c:404
        input = {module = 0x0, service = 0x5563bf8c2554 "doveadm",
username = 0x5563c13b157e "jason", session_id = 0x0,
          session_id_prefix = 0x0, session_create_time = 0, local_ip =
{family = 0, u = {ip6 = {__in6_u = {
                  __u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 =
{0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, ip4 = {
                s_addr = 0}}}, remote_ip = {family = 0, u = {ip6 =
{__in6_u = {__u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0,
                    0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, ip4 =
{s_addr = 0}}}, local_port = 0, remote_port = 0, userdb_fields = 0x0,
          flags_override_add = (unknown: 0), flags_override_remove =
(unknown: 0), no_userdb_lookup = 0, debug = 0}
        error = 0x20 <error: Cannot access memory at address 0x20>
        ip = <optimized out>
        ret = <optimized out>
        __FUNCTION__ = "doveadm_mail_next_user"
#25 0x00005563bf88afe3 in doveadm_mail_single_user
(ctx=ctx at entry=0x5563c13b88a0, cctx=cctx at entry=0x7ffdc7616720,
    error_r=error_r at entry=0x7ffdc7616530) at doveadm-mail.c:435
        __FUNCTION__ = "doveadm_mail_single_user"
#26 0x00005563bf88b0da in doveadm_mail_cmd_exec
(ctx=ctx at entry=0x5563c13b88a0, cctx=cctx at entry=0x7ffdc7616720,
    wildcard_user=wildcard_user at entry=0x0) at doveadm-mail.c:596
        ret = <optimized out>
        error = 0x41 <error: Cannot access memory at address 0x41>
#27 0x00005563bf88bf5f in doveadm_cmd_ver2_to_mail_cmd_wrapper
(cctx=0x7ffdc7616720) at doveadm-mail.c:1061
        mctx = 0x5563c13b88a0
        wildcard_user = <optimized out>
        fieldstr = 0x5563c13a9c70 ""
---Type <return> to continue, or q <return> to quit---
        i = <optimized out>
        mail_cmd = {alloc = 0x5563bf88d9e0 <cmd_fetch_alloc>, name =
0x5563bf8c39e7 "fetch",
          usage_args = 0x5563bf8c3bd8 "[-u <user>|-A] [-S <socket_path>]
<fields> <search query>"}
#28 0x00005563bf89b390 in doveadm_cmd_run_ver2 (argc=4,
argv=0x5563c13b13c0, cctx=cctx at entry=0x7ffdc7616720) at doveadm-cmd.c:525
        param = <optimized out>
        pargv = {arr = {buffer = 0x5563c13a99c8, element_size = 104}, v
= 0x5563c13a99c8, v_modifiable = 0x5563c13a99c8}
        opts = {arr = {buffer = <optimized out>, element_size = 32}, v =
<optimized out>, v_modifiable = <optimized out>}
        pargc = 7
        c = <optimized out>
        li = 21859
        pool = 0x5563c13a96f8
        optbuf = <optimized out>
        __FUNCTION__ = "doveadm_cmd_run_ver2"
#29 0x00005563bf89b3e7 in doveadm_cmd_try_run_ver2 (cmd_name=<optimized
out>, argc=4, argv=0x5563c13b13c0, cctx=0x7ffdc7616720)
    at doveadm-cmd.c:448
        cmd = <optimized out>
#30 0x00005563bf87af44 in main (argc=4, argv=0x5563c13b13c0) at
doveadm.c:379
        cctx = {cmd = 0x5563c13be098, argc = 7, argv = 0x5563c13a9a00,
username = 0x5563c13b157e "jason", cli = true, tcp_server = false,
          local_ip = {family = 0, u = {ip6 = {__in6_u = {__u6_addr8 =
'\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0},
                  __u6_addr32 = {0, 0, 0, 0}}}, ip4 = {s_addr = 0}}},
remote_ip = {family = 0, u = {ip6 = {__in6_u = {
                  __u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 =
{0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, ip4 = {
                s_addr = 0}}}, local_port = 0, remote_port = 0, conn = 0x0}
        cmd_name = 0x5563c13b1404 "fetch"
        quick_init = false
        c = <optimized out>
(gdb)


Aki Tuomi wrote on 26/3/19 7:28 pm:
> What's non-trivial about apt-get install dovecot-dbg?
> 
> Aki
> 
> On 26.3.2019 5.38, Jason Lewis via dovecot wrote:
>> After some investigation, it turns out it is non trivial to install
>> dovecot-dbg on debian jessie.
>>
>> Sorry I can't investigate further.
>>
>> Jason
>>
>> Aki Tuomi wrote on 25/3/19 6:12 pm:
>>> Can you install dovecot-dbg and try gdb again?
>>>
>>> Aki
>>>
>>> On 25.3.2019 3.20, Jason Lewis via dovecot wrote:
>>>
> 

-- 
Jason Lewis
http://emacstragic.net


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