Hey all,
I have encountered a crash that I find rather perplexing, seemingly in
iso3166.c:
> #0 0x93a0ab50 in __kill ()
> #1 0x93aa5c00 in abort ()
> #2 0x001e93d8 in assertion_failure (data=<value temporarily
> unavailable, due to optimizations>) at fast_assert.c:104
> #3 0x001fbfc4 in iso3166_country_cc (code=0) at iso3166.c:423
> #4 0x00189e50 in render_sources (d=<value temporarily unavailable,
> due to optimizations>, row=0, column=1) at fileinfo.c:284
> #5 0x0018a8f0 in fi_gui_source_show (key=0x5930a00) at fileinfo.c:371
> #6 0x0015839c in fi_gui_show_info (file=0x60e7dc0) at
> downloads_common.c:1477
> #7 0x0015a730 in fi_gui_files_cursor_update () at
> downloads_common.c:1514
> #8 0x001e2460 in cq_expire (cq=0xe0e140, ev=0x0) at cq.c:482
> #9 0x001e264c in cq_clock (cq=0xe0e140, elapsed=<value temporarily
> unavailable, due to optimizations>) at cq.c:562
> #10 0x001e28cc in cq_heartbeat (cq=0xe0e140) at cq.c:613
> #11 0x001e28f0 in heartbeat_trampoline (p=<value temporarily
> unavailable, due to optimizations>) at cq.c:624
> #12 0x007226d0 in g_timeout_dispatch ()
> #13 0x00721ac4 in g_main_dispatch ()
> #14 0x00723184 in g_main_iterate ()
> #15 0x007234cc in g_main_run ()
> #16 0x00596b38 in gtk_main ()
> #17 0x0016b5bc in main_gui_run (geometry_spec=<value temporarily
> unavailable, due to optimizations>) at main.c:697
> #18 0x00003bc8 in main (argc=1, argv=0xbffff24c) at main.c:1667
ccflags='-pipe -W -Wall -Wformat=2 -Wno-shadow'
in frame 4:
d is 'unavailable due to optimizations'; row = 0, column = 1, and
{GtkCList}clist_download_sources = {container = {widget = {object =
{klass = 0xd16020, flags = 77580, ref_count = 2, object_data =
0x174eef8}, private_flags = 0, state = 0 '\0', saved_state = 0 '\0',
name = 0xd21720 "clist_download_sources", style = 0x1022200,
requisition = {width = 679, height = 27}, allocation = {x = 2, y = 2,
width = 990, height = 199}, window = 0x0,
parent = 0xd21540}, focus_child = 0x0, border_width = 0,
need_resize = 0, resize_mode = 0, reallocate_redraws = 0,
resize_widgets = 0x0}, flags = 780, row_mem_chunk = 0xd216b0,
cell_mem_chunk = 0xd21860, freeze_count = 0, internal_allocation =
{x = 0, y = 0, width = 990, height = 199}, rows = 1, row_center_offset
= 12, row_height = 15, row_list = 0x3e61d7c,
row_list_end = 0x3e61d7c, columns = 6, column_title_area = {x = 2,
y = 2, width = 986, height = 22}, title_window = 0x0, column =
0xd218a0, clist_window = 0x0, clist_window_width = 986,
clist_window_height = 173, hoffset = 0, voffset = 0, shadow_type =
GTK_SHADOW_IN, selection_mode = GTK_SELECTION_EXTENDED, selection =
0x0, selection_end = 0x0, undo_selection = 0x0,
undo_unselection = 0x0, undo_anchor = -1, button_actions =
"\003\000\000\000", drag_button = 0 '\0', click_cell = {row = -1,
column = -1}, hadjustment = 0xd214d0, vadjustment = 0xd21610,
xor_gc = 0x0, fg_gc = 0x0, bg_gc = 0x0, cursor_drag = 0x0, x_drag =
0, focus_row = 0, anchor = -1, anchor_state = GTK_STATE_SELECTED,
drag_pos = -1, htimer = 0, vtimer = 0,
sort_type = GTK_SORT_ASCENDING, compare = 0x60c310
<default_compare>, sort_column = 0}
in frame 5:
row = 0,
i = 1, and
{struct download}key = {magic = DOWNLOAD_MAGIC, src_handle =
2434507541, src_handle_valid = 1,
error_str = "Requeued due to timeout at 10:41:53 - rescheduled for
10:42:13 #1\00037:43 #0", '\0' <repeats 181 times>, status =
GTA_DL_DONE, io_opaque = 0x0, rx = 0x0, bio = 0x0,
server = 0x3552c80, list_idx = DL_LIST_STOPPED, file_info =
0x454cd00, record_index = 4294967295, file_name = 0x60c1130 "pure
ascii text]", file_size = 1218665, size = 1218665,
skip = 0, pos = 1218665, range_end = 1218665, socket = 0x0,
out_file = 0x0, overlap_size = 0, req = 0x0, buffers = 0x0, start_date
= 1257262948, last_update = 1257262975,
last_gui_update = 0, record_stamp = 1257262537, retry_after =
1257262949, head_ping_sent = 1257262912, header_sent = {tv_sec =
1257262948, tv_usec = 601382}, retries = 0,
timeout_delay = 0, served_reqs = 0, mismatches = 0, header_read_eof
= 0, data_timeouts = 0, remove_msg = 0x0, sha1 = 0x0, uri = 0x0,
last_dmesh = 1257262948, ranges = 0x0, ranges_size = 0,
sinkleft = 0, flags = 262153, cflags = 24, keep_alive = 1, push =
0, always_push = 1, got_giv = 0, unavailable = 0, cproxy = 0x0,
parq_dl = 0x0, browse = 0x0, thex = 0x0}
It would appear that iso316_country_cc os being passed a guint16 value
of 0x0, and subsequently failing the assertion "g_assert(code <
G_N_ELEMENTS(iso3166_countries))". Which would not be possible,
unless G_N_ELEMENTS(iso3166_countries) were (a) also zero, or (b)
evaluated as a [negative] signed integer rather than an unsigned
integer. G_N_ELEMENTS is a very straightforwards macro that just
divides the size of a static array by the size of array[0] to find the
number of elements. I checked the array in gdb and it seems to be
properly defined, 5180 bytes for an array of 4 byte elements, yielding
a count of 1295.
Option (b) should not be possible, given the size of the result.
Which leaves (c) a bug in glib 1.2, (d) a bug in apple's gcc (powerpc-
apple-darwin9-gcc-4.0.1), or (e) something I want to learn.
This crash has occurred once before in the past week; I had not
encountered it before then. However, this may not be relevant to
recent commits as it seems to be dependent on file data.
regards,
Matt
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