Coredump v2.3.8 specific msg fetch, corrupted record in index cache, Broken physical size

[Erik de Waard]

Hi,

maildir_broken_filename_sizes = yes
Does prevent the crash coredump

On Fri, Oct 18, 2019 at 3:36 PM Erik de Waard <erikdewaard at gmail.com> wrote:

> Hi, i'm getting a coredump on a specific msg, i've attached the gdb.
>
> file on disk i noticed W=<vsize> is missing.
> 1571209735.M744550P1608.rwvirtual65,S=15886:2,S
>
> Best regards,
>
>
> mail.log
> Oct 18 14:41:39 rwvirtual10 dovecot: imap(johndoe at company.nl)<15868><qjTFpy6VPsMKAAok>:
> Error: Mailbox INBOX.Debug: UID=1041: read(/data/mail/
> company.nl/users/johndoe/Maildir/.Debug/cur/1571209735.M744550P1608.rwvirtual65,S=15886:2,S)
> failed: Cached message size smaller than expected (15886 < 16367,
> box=INBOX.Debug, UID=1041) (read reason=mail stream)
> Oct 18 14:41:39 rwvirtual10 dovecot: imap(johndoe at company.nl)<15868><qjTFpy6VPsMKAAok>:
> Error: Corrupted record in index cache file /data/indexes/
> johndoe at company.nl/.Debug/dovecot.index.cache: UID 1041: Broken physical
> size in mailbox INBOX.Debug: read(/data/mail/
> company.nl/users/johndoe/Maildir/.Debug/cur/1571209735.M744550P1608.rwvirtual65,S=15886:2,S)
> failed: Cached message size smaller than expected (15886 < 16367,
> box=INBOX.Debug, UID=1041)
> Oct 18 14:41:39 rwvirtual10 dovecot: imap(johndoe at company.nl)<15868><qjTFpy6VPsMKAAok>:
> Panic: file istream.c: line 315 (i_stream_read_memarea): assertion failed:
> (old_size <= _stream->pos - _stream->skip)
> Oct 18 14:41:39 rwvirtual10 dovecot: imap(johndoe at company.nl)<15868><qjTFpy6VPsMKAAok>:
> Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xe5c31)
> [0x7f5237d8cc31] -> /usr/lib/dovecot/libdovecot.so.0(+0xe5cd1)
> [0x7f5237d8ccd1] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0)
> [0x7f5237ce4103] ->
> /usr/lib/dovecot/libdovecot.so.0(i_stream_read_memarea+0x300)
> [0x7f5237d9abd0] -> /usr/lib/dovecot/libdovecot.so.0(i_stream_read+0x35)
> [0x7f5237d9aca5] ->
> /usr/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) [0x7f5237d9b64d]
> -> /usr/lib/dovecot/libdovecot.so.0(+0xc4da1) [0x7f5237d6bda1] ->
> /usr/lib/dovecot/libdovecot.so.0(+0xc5d4b) [0x7f5237d6cd4b] ->
> /usr/lib/dovecot/libdovecot.so.0(message_parser_parse_next_block+0x65)
> [0x7f5237d6da05] ->
> /usr/lib/dovecot/libdovecot.so.0(message_parser_parse_body+0x31)
> [0x7f5237d6dcf1] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0xc19d4)
> [0x7f52381099d4] ->
> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_init_stream+0x3aa)
> [0x7f5238109e9a] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x74b25)
> [0x7f52380bcb25] ->
> /usr/lib/dovecot/libdovecot-storage.so.0(mail_get_stream_because+0x70)
> [0x7f52380833a0] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x748d7)
> [0x7f52380bc8d7] ->
> /usr/lib/dovecot/libdovecot-storage.so.0(mail_get_virtual_size+0x44)
> [0x7f5238082ea4] -> dovecot/imap [johndoe at company.nl 10.0.10.36
> FETCH](+0x21523) [0x561f6425f523] -> dovecot/imap [johndoe at company.nl
> 10.0.10.36 FETCH](+0x1f759) [0x561f6425d759] -> dovecot/imap [
> johndoe at company.nl 10.0.10.36 FETCH](imap_fetch_more+0x39)
> [0x561f6425eb99] -> dovecot/imap [johndoe at company.nl 10.0.10.36
> FETCH](cmd_fetch+0x342) [0x561f6424ef32] -> dovecot/imap [
> johndoe at company.nl 10.0.10.36 FETCH](command_exec+0x7c) [0x561f6425bb0c]
> -> dovecot/imap [johndoe at company.nl 10.0.10.36 FETCH](+0x1bb72)
> [0x561f64259b72] -> dovecot/imap [johndoe at company.nl 10.0.10.36
> FETCH](+0x1bc04) [0x561f64259c04] -> dovecot/imap [johndoe at company.nl
> 10.0.10.36 FETCH](client_handle_input+0x1a5) [0x561f6425a025] ->
> dovecot/imap [johndoe at company.nl 10.0.10.36 FETCH](client_input+0x82)
> [0x561f6425a6c2] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x75)
> [0x7f5237da6845] ->
> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x11b)
> [0x7f5237da825b] ->
> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x59) [0x7f5237da6959]
> Oct 18 14:41:39 rwvirtual10 dovecot: imap(johndoe at company.nl)<15868><qjTFpy6VPsMKAAok>:
> Fatal: master: service(imap): child 15868 killed with signal 6 (core dumps
> disabled - https://dovecot.org/bugreport.html#coredumps)
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://dovecot.org/pipermail/dovecot/attachments/20191019/624f5806/attachment.html>