internal server error

[Sergey Schwartz]

Hi!

Today I've got a client unable to open a mailbox with Thunderbird - 
constantly drops connection.
On the server side I can see an error message in the log


Jul 22 11:07:29 mx10 dovecot: imap(oleg.vasilyev at bgoperator.com): Error: 
Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x7c96f) 
[0x7fd52575b96f] -> /usr/lib/dovecot/libdovecot.so.0(+0x7c9ce) 
[0x7fd52575b9ce] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) 
[0x7fd525709875] -> 
/usr/lib/dovecot/libdovecot-storage.so.0(mail_index_uint32_to_offset+0x74) 
[0x7fd525aa72d4] -> 
/usr/lib/dovecot/libdovecot-storage.so.0(mail_cache_add+0x561) 
[0x7fd525a91cf1] -> 
/usr/lib/dovecot/libdovecot-storage.so.0(index_mail_parse_header+0x2b1) 
[0x7fd525a79241] -> /usr/lib/dovecot/libdovecot.so.0(+0x66e47) 
[0x7fd525745e47] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read+0x68) 
[0x7fd5257657a8] -> 
/usr/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) 
[0x7fd52576614d] -> 
/usr/lib/dovecot/libdovecot.so.0(message_parse_header_next+0x62) 
[0x7fd52574af02] -> /usr/lib/dovecot/libdovecot.so.0(+0x667ff) 
[0x7fd5257457ff] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read+0x68) 
[0x7fd5257657a8] -> 
/usr/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) 
[0x7fd52576614d] -> 
/usr/lib/dovecot/libdovecot.so.0(message_get_header_size+0x53) 
[0x7fd52574e4b3] -> 
/usr/lib/dovecot/libdovecot-storage.so.0(imap_msgpart_open+0x257) 
[0x7fd525ab4527] -> dovecot/imap(+0x1da42) [0x7fd525f3ca42] -> 
dovecot/imap(+0x1be3f) [0x7fd525f3ae3f] -> 
dovecot/imap(imap_fetch_more+0x37) [0x7fd525f3be97] -> 
dovecot/imap(cmd_fetch+0x316) [0x7fd525f2f946] -> 
dovecot/imap(command_exec+0x4c) [0x7fd525f398cc] -> 
dovecot/imap(+0x19830) [0x7fd525f38830] -> dovecot/imap(+0x198c4) 
[0x7fd525f388c4] -> dovecot/imap(client_handle_input+0x115) 
[0x7fd525f38bc5] -> dovecot/imap(client_input+0x75) [0x7fd525f38fa5] -> 
/usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x5b) [0x7fd52576e54b] 
-> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0xbb) 
[0x7fd52576f5cb] -> 
/usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x9) 
[0x7fd52576e5d9] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) 
[0x7fd52576e658]
Jul 22 11:07:29 mx10 dovecot: imap(oleg.vasilyev at bgoperator.com): Fatal: 
master: service(imap): child 17109 killed with signal 6 (core dumped)

Should I report a bug or there is a workaround for this issue?

-- 
Best regards,
Sergey Schwartz

Senior System Administrator
Biblio Globus Tour Operator
www.bgoperator.ru

T: +7 495 5042500 ext 1532
E: sergey.schwartz at bgoperator.com