Core dump at imap process

[Dominik Breu]

hello list,

testing the 2.18 release i got following core dump. Maybe Timo you can
get a look at it.


greetings dominik

Core Dump:

root at hbs-buko:/var/vmail/hbs-buko.info/dominik.breu#
gdb /usr/lib/dovecot/imap core
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
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Reading symbols from /usr/lib/dovecot/imap...Reading symbols
from /usr/lib/debug//usr/lib/dovecot/imap...done.
done.
[New LWP 4069]
Core was generated by `dovecot/imap'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  imap_msgpart_contains_body (msgpart=0x0) at imap-msgpart.c:311
311	imap-msgpart.c: Datei oder Verzeichnis nicht gefunden.
(gdb) bt full
#0  imap_msgpart_contains_body (msgpart=0x0) at imap-msgpart.c:311
No locals.
#1  0x00007f4eba177054 in fetch_state_update_stats (msgpart=<optimized
out>, ctx=0x7f4ebacfa910, ctx=0x7f4ebacfa910) at imap-fetch-body.c:169
No locals.
#2  0x00007f4eba17747b in fetch_rfc822_header (ctx=0x7f4ebacfa910,
mail=0x7f4ebad08a10, context=<optimized out>) at imap-fetch-body.c:529
        msgpart = 0x0
        str = <optimized out>
#3  0x00007f4eba1754cc in imap_fetch_more_int
(ctx=ctx at entry=0x7f4ebacfa910, cancel=false) at imap-fetch.c:506
        h = <optimized out>
        _data_stack_cur_id = 4
        state = 0x7f4ebacfa960
        client = 0x7f4ebacf9bb0
        count = <optimized out>
        ret = <optimized out>
        __FUNCTION__ = "imap_fetch_more_int"
#4  0x00007f4eba1765ca in imap_fetch_more (ctx=0x7f4ebacfa910,
cmd=cmd at entry=0x7f4ebacfa7b0) at imap-fetch.c:558
        ret = <optimized out>
        __FUNCTION__ = "imap_fetch_more"
#5  0x00007f4eba169864 in cmd_fetch (cmd=0x7f4ebacfa7b0) at
cmd-fetch.c:286
        client = <optimized out>
        ctx = 0x7f4ebacfa910
        args = 0x7f4ebace2b08
        next_arg = <optimized out>
        list_arg = 0x7f4ebad03b50
        search_args = 0x0
        qresync_args = {qresync_sample_seqset = 0x7f4ebacd71f8,
qresync_sample_uidset = 0x1}
        messageset = 0x7f4ebace2c70 "353"
        send_vanished = <optimized out>
        ret = <optimized out>
#6  0x00007f4eba173cbc in command_exec (cmd=cmd at entry=0x7f4ebacfa7b0) at
imap-commands.c:167
        hook = 0x7f4ebace00f0
        diff = <optimized out>
        finished = <optimized out>
#7  0x00007f4eba172b32 in client_command_input (cmd=0x7f4ebacfa7b0) at
imap-client.c:828
        client = 0x7f4ebacf9bb0
        command = <optimized out>
        __FUNCTION__ = "client_command_input"
#8  0x00007f4eba172f2d in client_handle_next_command
(remove_io_r=<synthetic pointer>, client=0x7f4ebacf9bb0) at
imap-client.c:926
No locals.
#9  client_handle_input (client=0x7f4ebacf9bb0) at imap-client.c:938
        _data_stack_cur_id = 3
        remove_io = false
        handled_commands = false
        client = 0x7f4ebacf9bb0
#10 0x00007f4eba1732f5 in client_input (client=0x7f4ebacf9bb0) at
imap-client.c:980
        cmd = 0xea880
        output = 0x7f4ebacfa5d0
        bytes = 2
        __FUNCTION__ = "client_input"
#11 0x00007f4eb99a2b6c in io_loop_call_io (io=0x7f4ebacfa6c0) at
ioloop.c:501
        ioloop = 0x7f4ebacdf740
        t_id = 2
        __FUNCTION__ = "io_loop_call_io"
---Type <return> to continue, or q <return> to quit---
#12 0x00007f4eb99a3ba5 in io_loop_handler_run_internal
(ioloop=ioloop at entry=0x7f4ebacdf740) at ioloop-epoll.c:220
        ctx = 0x7f4ebace0460
        io = <optimized out>
        tv = {tv_sec = 1799, tv_usec = 999300}
        events_count = <optimized out>
        msecs = <optimized out>
        ret = 1
        i = 0
        j = <optimized out>
        call = <optimized out>
        __FUNCTION__ = "io_loop_handler_run_internal"
#13 0x00007f4eb99a2bd9 in io_loop_handler_run
(ioloop=ioloop at entry=0x7f4ebacdf740) at ioloop.c:548
No locals.
#14 0x00007f4eb99a2c58 in io_loop_run (ioloop=0x7f4ebacdf740) at
ioloop.c:525
        __FUNCTION__ = "io_loop_run"
#15 0x00007f4eb9941243 in master_service_run (service=0x7f4ebacdf5d0,
callback=<optimized out>) at master-service.c:581
No locals.
#16 0x00007f4eba16696c in main (argc=1, argv=0x7f4ebacdf390) at
main.c:431
        set_roots = {0x7f4eba38b940 <imap_setting_parser_info>, 0x0}
        login_set = {auth_socket_path = 0x7f4ebacd7048 "\001",
postlogin_socket_path = 0x0, postlogin_timeout_secs = 60, callback =
0x7f4eba17ccc0 <login_client_connected>, 
          failure_callback = 0x7f4eba17c930 <login_client_failed>,
request_auth_token = 1}
        service_flags = <optimized out>
        storage_service_flags = <optimized out>
        username = 0x0
        c = <optimized out>