[Dovecot] 1.0alpha1: another imap core, no assert
Jeff A. Earickson
jaearick at colby.edu
Thu Sep 8 17:17:26 EEST 2005
Timo,
Output of gdb session on the core file attached. This
one only produced the following syslog:
IMAP(user): UIDs broken with partial sync in mbox file /var/mail/r/user
with no assert. Setup: Solaris 9, gcc 4.0.1 for dovecot build.
Jeff Earickson
Colby College
-------------- next part --------------
Script started on Thu Sep 08 10:05:53 2005
%gdb imap core.rtohara
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This GDB was configured as "sparc-sun-solaris2.9"...
Core was generated by `imap'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/lib/libdl.so.1...done.
Loaded symbols for /usr/lib/libdl.so.1
Reading symbols from /usr/lib/libsocket.so.1...done.
Loaded symbols for /usr/lib/libsocket.so.1
Reading symbols from /usr/lib/libnsl.so.1...done.
Loaded symbols for /usr/lib/libnsl.so.1
Reading symbols from /usr/lib/librt.so.1...done.
Loaded symbols for /usr/lib/librt.so.1
Reading symbols from /usr/lib/libsendfile.so.1...done.
Loaded symbols for /usr/lib/libsendfile.so.1
Reading symbols from /usr/lib/libc.so.1...done.
Loaded symbols for /usr/lib/libc.so.1
Reading symbols from /usr/lib/libmp.so.2...done.
Loaded symbols for /usr/lib/libmp.so.2
Reading symbols from /usr/lib/libaio.so.1...done.
Loaded symbols for /usr/lib/libaio.so.1
Reading symbols from /usr/lib/libmd5.so.1...done.
Loaded symbols for /usr/lib/libmd5.so.1
Reading symbols from /usr/platform/SUNW,Ultra-1/lib/libc_psr.so.1...done.
Loaded symbols for /usr/platform/SUNW,Ultra-60/lib/libc_psr.so.1
#0 mail_cache_lookup_headers (view=0xc9e78, dest=0xb8280, seq=21, fields=Variable "fields" is not available.
)
at mail-cache-lookup.c:499
499 if (*p == '\n' &&
(gdb) backtrace
#0 mail_cache_lookup_headers (view=0xc9e78, dest=0xb8280, seq=21, fields=Variable "fields" is not available.
)
at mail-cache-lookup.c:499
#1 0x000420bc in index_mail_get_header_stream (_mail=Variable "_mail" is not available.
) at index-mail-headers.c:614
#2 0x0005ae34 in mail_get_header_stream (mail=Variable "mail" is not available.
) at mail.c:97
#3 0x0004192c in index_mail_headers_get_envelope (mail=0xae448) at index-mail-headers.c:401
#4 0x00040674 in index_mail_get_special (_mail=Variable "_mail" is not available.
) at index-mail.c:679
#5 0x00035b08 in mbox_mail_get_special (_mail=0xae448, field=MAIL_FETCH_IMAP_ENVELOPE)
at mbox-mail.c:140
#6 0x0005ae70 in mail_get_special (mail=Variable "mail" is not available.
) at mail.c:113
#7 0x00022854 in fetch_envelope (ctx=0xa51a8, mail=Variable "mail" is not available.
) at imap-fetch.c:412
#8 0x00022410 in imap_fetch (ctx=0xa51a8) at imap-fetch.c:265
#9 0x0001d870 in cmd_fetch (cmd=0xa2ee8) at cmd-fetch.c:166
#10 0x00020c60 in client_handle_input (cmd=0xa2ee8) at client.c:334
#11 0x00020d68 in _client_input (context=Variable "context" is not available.
) at client.c:386
#12 0x0006e850 in io_loop_handler_run (ioloop=0xa0db0) at ioloop-poll.c:184
#13 0x0006e11c in io_loop_run (ioloop=0xa0db0) at ioloop.c:230
#14 0x00029348 in main (argc=0, argv=0xffbffba4, envp=0xffbffbac) at main.c:229
(gdb) print *p
Cannot access memory at address 0xff11259c
(gdb) print *view
$1 = {cache = 0xaaca0, view = 0xaaa88, trans_view = 0xc8e58, transaction = 0xcb2a0,
trans_seq1 = 21, trans_seq2 = 21, tmp_offsets = {buffer = 0xa2088, element_size = 4},
cached_exists_buf = 0xa2178, cached_exists_value = 1 '\001', cached_exists_seq = 21,
cached_offset = 75084, cached_offset_seq = 21}
(gdb) print *dest
$2 = {data = 0xb82a0, used = 0}
(gdb) print fields
Variable "fields" is not available.
(gdb) print view-> *(view->cache)
$3 = {index = 0xa9328, ext_id = 3,
filepath = 0xaad30 "/home/students/r/rtohara/.imap/INBOX/dovecot.index.cache", fd = 6,
mmap_base = 0xff100000, data = 0xff100000, mmap_length = 26712, file_cache = 0x0,
dotlock_settings = {temp_prefix = 0x0, lock_suffix = 0x0, timeout = 120, stale_timeout = 60,
immediate_stale_timeout = 300, callback = 0, context = 0x0}, dotlock = 0x0,
hdr = 0xff100000, hdr_copy = {version = 1 '\001', unused = "\000\000", indexid = 1124149513,
file_seq = 1124149515, continued_record_count = 51, hole_offset = 0,
used_file_size = 81884, deleted_space = 0, field_header_offset = 2155918518},
field_pool = 0xaad88, fields = 0xabcb0, field_file_map = 0xabb58, fields_count = 26,
field_name_hash = 0xab180, file_field_map = 0xab6e0, file_fields_count = 26, locked = 0,
need_compress = 0, hdr_modified = 0, field_header_write_pending = 0}
(gdb) print *(view->view)
$4 = {refcount = 1, methods = {close = 0x4f448 <_tview_close>,
get_messages_count = 0x4f46c <_tview_get_message_count>,
get_header = 0x4f494 <_tview_get_header>, lookup_full = 0x4f4b0 <_tview_lookup_full>,
lookup_uid = 0x4f508 <_tview_lookup_uid>,
lookup_uid_range = 0x4f554 <_tview_lookup_uid_range>,
lookup_first = 0x4f584 <_tview_lookup_first>,
lookup_ext_full = 0x4f688 <_tview_lookup_ext_full>,
get_header_ext = 0x4f870 <_tview_get_header_ext>}, index = 0xa9328, log_view = 0xb37f8,
indexid = 1124149513, map = 0xac940, new_map = 0x0, map_refs = 0xa21a0, hdr = {
major_version = 7 '\a', minor_version = 0 '\0', base_header_size = 120, header_size = 200,
record_size = 40, compat_data = "\000\b\004", indexid = 1124149513, flags = 2,
uid_validity = 1122257472, next_uid = 271, messages_count = 31, recent_messages_count = 0,
seen_messages_count = 9, deleted_messages_count = 0, first_recent_uid_lowwater = 0,
first_unseen_uid_lowwater = 0, first_deleted_uid_lowwater = 240, log_file_seq = 1,
log_file_int_offset = 24240, log_file_ext_offset = 24240, sync_size = 13022941,
sync_stamp = 1126108845, day_stamp = 1126065600, day_first_uid = {231, 205, 192, 192, 192,
158, 158, 158}}, log_file_seq = 1, log_file_offset = 24240, log_syncs = 0x0,
transactions = 0, lock_id = 314, inconsistent = 0, syncing = 0}
(gdb) print (*view->trans_view)
$5 = {refcount = 1, methods = {close = 0x4f448 <_tview_close>,
get_messages_count = 0x4f46c <_tview_get_message_count>,
get_header = 0x4f494 <_tview_get_header>, lookup_full = 0x4f4b0 <_tview_lookup_full>,
lookup_uid = 0x4f508 <_tview_lookup_uid>,
lookup_uid_range = 0x4f554 <_tview_lookup_uid_range>,
lookup_first = 0x4f584 <_tview_lookup_first>,
lookup_ext_full = 0x4f688 <_tview_lookup_ext_full>,
get_header_ext = 0x4f870 <_tview_get_header_ext>}, index = 0xa9328, log_view = 0xcb3e8,
indexid = 1124149513, map = 0xac940, new_map = 0x0, map_refs = 0xa2218, hdr = {
major_version = 7 '\a', minor_version = 0 '\0', base_header_size = 120, header_size = 200,
record_size = 40, compat_data = "\000\b\004", indexid = 1124149513, flags = 2,
uid_validity = 1122257472, next_uid = 271, messages_count = 31, recent_messages_count = 0,
seen_messages_count = 9, deleted_messages_count = 0, first_recent_uid_lowwater = 0,
first_unseen_uid_lowwater = 0, first_deleted_uid_lowwater = 240, log_file_seq = 1,
log_file_int_offset = 24240, log_file_ext_offset = 24240, sync_size = 13022941,
sync_stamp = 1126108845, day_stamp = 1126065600, day_first_uid = {231, 205, 192, 192, 192,
158, 158, 158}}, log_file_seq = 1, log_file_offset = 24240, log_syncs = 0x0,
transactions = 0, lock_id = 314, inconsistent = 0, syncing = 0}
(gdb) print *(view->transaction)
$6 = {cache = 0xaaca0, view = 0xc9e78, trans = 0xaa840, cache_file_seq = 1124149515,
cache_data = 0xa21c8, cache_data_seq = {buffer = 0xa21f0, element_size = 4}, prev_seq = 21,
prev_pos = 0, reservations = 0xa2128, reserved_space_offset = 0, reserved_space = 0,
last_grow_size = 0, changes = 1}
(gdb) print *dest
$7 = {data = 0xb82a0, used = 0}
(gdb) print dest->data
$8 = (const void *) 0xb82a0
(gdb) print *(dest->data)
Attempt to dereference a generic pointer.
(gdb) print &(dest->data)
$9 = (const void **) 0xb8280
(gdb) quit
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