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bug#580: 23.0.60; OSX: Crash in show-paren-mode
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From: |
Markus Triska |
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Subject: |
bug#580: 23.0.60; OSX: Crash in show-paren-mode |
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Date: |
Sun, 20 Jul 2008 19:02:41 +0200 (CEST) |
Let c6.el consist of the following form:
(while t
(insert "(when t (if t t 'hi))\n"))
There must not be any blank lines at the start of the file; the file
is also available from: http://www.logic.at/prolog/c6.el .
When I do:
$ emacs -Q c6.el -f show-paren-mode
and then repeatedly:
C-M-x C-g C-_
Emacs crashes within a few iterations with the following backtrace:
GNU gdb 6.3.50-20050815 (Apple version gdb-573) (Fri Oct 20 15:50:43 GMT 2006)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-apple-darwin"...Reading symbols for shared
libraries .................................... done
DISPLAY = :0.0
TERM = xterm-color
Breakpoint 1 at 0x9010d3db
Breakpoint 2 at 0xeeff5: file sysdep.c, line 1248.
(gdb) r -Q ~/c6.el -f show-paren-mode
Starting program: /Users/mt/emacs/src/emacs -Q ~/c6.el -f show-paren-mode
Reading symbols for shared libraries
....................................................................+++..+.++.+..++.+.++.++++++++++.++++.....+++
done
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x02dc6fff
0x0016b0f5 in char_quoted (charpos=1, bytepos=48001023) at syntax.c:312
312 DEC_BOTH (charpos, bytepos);
(gdb) bt
#0 0x0016b0f5 in char_quoted (charpos=1, bytepos=48001023) at syntax.c:312
#1 0x0017391d in back_comment (from=9, from_byte=9, stop=1, comnested=0,
comstyle=0, charpos_ptr=0xbfffe468, bytepos_ptr=0xbfffe46c) at syntax.c:597
#2 0x001767f4 in scan_lists (from=10, count=-1, depth=1, sexpflag=1) at
syntax.c:2754
#3 0x00145450 in Ffuncall (nargs=3, args=0xbfffe514) at eval.c:3052
#4 0x0017e99f in Fbyte_code (bytestr=67094347, vector=34919012, maxdepth=4) at
bytecode.c:678
#5 0x001448fe in Feval (form=40297877) at eval.c:2383
#6 0x00146ee7 in internal_lisp_condition_case (var=58721289,
bodyform=40297877, handlers=40297781) at eval.c:1456
#7 0x0017d8d5 in Fbyte_code (bytestr=67093035, vector=35118900, maxdepth=5) at
bytecode.c:868
#8 0x00144d33 in funcall_lambda (fun=34935236, nargs=0, arg_vector=0xbfffe998)
at eval.c:3229
#9 0x00145216 in Ffuncall (nargs=1, args=0xbfffe994) at eval.c:3099
#10 0x00146a53 in Fapply (nargs=2, args=0xbfffe994) at eval.c:2471
#11 0x001453bb in Ffuncall (nargs=3, args=0xbfffe990) at eval.c:3023
#12 0x0017e99f in Fbyte_code (bytestr=2402283, vector=2402308, maxdepth=4) at
bytecode.c:678
#13 0x001448fe in Feval (form=2402269) at eval.c:2383
#14 0x00146ee7 in internal_lisp_condition_case (var=58721289, bodyform=2402269,
handlers=2402341) at eval.c:1456
#15 0x0017d8d5 in Fbyte_code (bytestr=2402139, vector=2402156, maxdepth=5) at
bytecode.c:868
#16 0x00144d33 in funcall_lambda (fun=2402100, nargs=1, arg_vector=0xbfffed54)
at eval.c:3229
#17 0x00145216 in Ffuncall (nargs=2, args=0xbfffed50) at eval.c:3099
#18 0x0014662b in call1 (fn=58751321, arg1=34898660) at eval.c:2827
#19 0x000d7818 in timer_check (do_it_now=1) at keyboard.c:4660
#20 0x000d79c7 in readable_events (flags=1) at keyboard.c:3648
#21 0x000de46b in get_input_pending (addr=0x325800, flags=1) at keyboard.c:6953
#22 0x000de58b in detect_input_pending_run_timers (do_display=1) at
keyboard.c:10622
#23 0x001880be in wait_reading_process_output (time_limit=30, microsecs=0,
read_kbd=-1, do_display=1, wait_for_cell=58721289, wait_proc=0x0,
just_wait_proc=0) at process.c:4954
#24 0x0000c32a in sit_for (timeout=240, reading=1, do_display=1) at
dispnew.c:6623
#25 0x000e0363 in read_char (commandflag=1, nmaps=2, maps=0xbffff3d0,
prev_event=58721289, used_mouse_menu=0xbffff4c8, end_time=0x0) at
keyboard.c:2932
#26 0x000e1e66 in read_key_sequence (keybuf=0xbffff588, bufsize=30,
prompt=58721289, dont_downcase_last=0, can_return_switch_frame=1,
fix_current_buffer=1) at keyboard.c:9431
#27 0x000e4230 in command_loop_1 () at keyboard.c:1653
#28 0x001435a8 in internal_condition_case (bfun=0xe4012 <command_loop_1>,
handlers=58760953, hfun=0xdce6d <cmd_error>) at eval.c:1511
#29 0x000d6054 in command_loop_2 () at keyboard.c:1369
#30 0x001431fa in internal_catch (tag=58757025, func=0xd6010 <command_loop_2>,
arg=58721289) at eval.c:1247
#31 0x000d5df6 in command_loop () at keyboard.c:1348
#32 0x000d5eaf in recursive_edit_1 () at keyboard.c:957
#33 0x000d5ff7 in Frecursive_edit () at keyboard.c:1019
#34 0x000d5035 in main (argc=5, argv=0xbffff9c0) at emacs.c:1796
Lisp Backtrace:
"scan-sexps" (0xbfffe518)
"byte-code" (0xbfffe604)
"show-paren-function" (0xbfffe998)
"apply" (0xbfffe994)
"byte-code" (0xbfffea84)
"timer-event-handler" (0xbfffed54)
(gdb) bt full
#0 0x0016b0f5 in char_quoted (charpos=1, bytepos=48001023) at syntax.c:312
p = (unsigned char *) 0x2dc6fff <Address 0x2dc6fff out of bounds>
beg = 1
quoted = 0
#1 0x0017391d in back_comment (from=9, from_byte=9, stop=1, comnested=0,
comstyle=0, charpos_ptr=0xbfffe468, bytepos_ptr=0xbfffe46c) at syntax.c:597
temp_byte = 0
com2start = 0
com2end = 0
string_style = -1
string_lossage = 0
comment_lossage = 0
comstart_pos = 0
comstart_byte = 112
defun_start = 0
defun_start_byte = 35186192
code = Sopen
nesting = 1
c = 40
syntax = 2
charpos_ptr = (int *) 0x2dc7000
bytepos_ptr = (int *) 0x2dc7000
#2 0x001767f4 in scan_lists (from=10, count=-1, depth=1, sexpflag=1) at
syntax.c:2754
val = 48001024
stop = 1
c = 10
c1 = 3321936
stringterm = 34
quoted = -1073748824
mathexit = 0
code = Sclose
temp_code = 48001024
min_depth = 0
comstyle = 0
comnested = 0
temp_pos = 10
last_good = 46
found = 48001024
from_byte = 9
out_bytepos = 1539914
out_charpos = 65505
dummy = -1073748824
multibyte_symbol_p = 1
#3 0x00145450 in Ffuncall (nargs=3, args=0xbfffe514) at eval.c:3052
fun = -1073748712
original_fun = 3082896
funcar = 48001023
numargs = 2
val = 35186192
backtrace = {
next = 0xbfffe624,
function = 0xbfffe514,
args = 0xbfffe518,
nargs = 2,
evalargs = 0 '\0',
debug_on_exit = 0 '\0'
}
internal_args = (Lisp_Object *) 0xbfffe518
i = 48001023
args = (Lisp_Object *) 0x2f0a90
#4 0x0017e99f in Fbyte_code (bytestr=67094347, vector=34919012, maxdepth=4) at
bytecode.c:678
op = 48001024
vectorp = (Lisp_Object *) 0x214d268
stack = {
pc = 0x597d06e "=\207",
top = 0xbfffe51c,
bottom = 0xbfffe510,
byte_string = 67094347,
byte_string_start = 0x597d068 "`\302\b\t[\"=\207",
constants = 34919012,
next = 0xbfffe7b4
}
result = 35186192
bytestr = 48001023
#5 0x001448fe in Feval (form=40297877) at eval.c:2383
numargs = 48001023
argvals = {67094347, 34919012, 32, 2397955, 37, 58721289, 1325787,
34757776}
args_left = 58721289
i = 3
fun = 35186192
val = 35186192
original_fun = 58832209
original_args = 40297861
funcar = 48001023
backtrace = {
next = 0xbfffe87c,
function = 0xbfffe63c,
args = 0xbfffe604,
nargs = 3,
evalargs = 1 '\001',
debug_on_exit = 0 '\0'
}
form = 58721289
#6 0x00146ee7 in internal_lisp_condition_case (var=58721289,
bodyform=40297877, handlers=40297781) at eval.c:1456
val = 48001023
c = {
tag = 58721289,
val = 58721289,
next = 0xbfffeaf8,
gcpro = 0x0,
jmp = {895, 35186192, 8096, 1338696, -1073748312, 1276397, 93834942,
58721289, -1073748200, -1073748384, 31, 662, 1338862, 1245207, 31, 31, 3014656,
1245239},
backlist = 0xbfffe87c,
handlerlist = 0xbfffeb6c,
lisp_eval_depth = 4,
pdlcount = 15,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0xbfffe7b4
}
h = {
handler = 40297781,
var = 58721289,
chosen_clause = 93834926,
tag = 0xbfffe678,
next = 0xbfffeb6c
}
#7 0x0017d8d5 in Fbyte_code (bytestr=67093035, vector=35118900, maxdepth=5) at
bytecode.c:868
handlers = 48001024
body = 48001023
op = 48001024
vectorp = (Lisp_Object *) 0x217df38
stack = {
pc = 0x597cebe "\204S",
top = 0xbfffe730,
bottom = 0xbfffe730,
byte_string = 67093035,
byte_string_start = 0x597ce70 "\b\203\265\001`\306\307`S!!\310=\203\024",
constants = 35118900,
next = 0xbfffea04
}
result = 35186192
bytestr = 48001023
#8 0x00144d33 in funcall_lambda (fun=34935236, nargs=0, arg_vector=0xbfffe998)
at eval.c:3229
val = 48001024
syms_left = 34935232
next = 34935232
i = 0
optional = -1073747832
rest = 1257313
#9 0x00145216 in Ffuncall (nargs=1, args=0xbfffe994) at eval.c:3099
fun = 34935236
original_fun = 93332345
funcar = 48001023
numargs = 0
val = 35186192
backtrace = {
next = 0xbfffe94c,
function = 0xbfffe994,
args = 0xbfffe998,
nargs = 0,
evalargs = 0 '\0',
debug_on_exit = 0 '\0'
}
internal_args = (Lisp_Object *) 0x21511c4
i = 48001023
args = (Lisp_Object *) 0x5902379
#10 0x00146a53 in Fapply (nargs=2, args=0xbfffe994) at eval.c:2471
i = 2694345
numargs = 48001024
spread_arg = 58721289
funcall_args = (Lisp_Object *) 0x0
fun = 93332345
#11 0x001453bb in Ffuncall (nargs=3, args=0xbfffe990) at eval.c:3023
fun = 3077284
original_fun = -1073747564
funcar = 48001023
numargs = 2
val = 35186192
backtrace = {
next = 0xbfffeaa4,
function = 0xbfffe990,
args = 0xbfffe994,
nargs = 2,
evalargs = 0 '\0',
debug_on_exit = 0 '\0'
}
internal_args = (Lisp_Object *) 0x2ef4a4
i = 48001023
args = (Lisp_Object *) 0xbfffe994
#12 0x0017e99f in Fbyte_code (bytestr=2402283, vector=2402308, maxdepth=4) at
bytecode.c:678
op = 48001024
vectorp = (Lisp_Object *) 0x24a808
stack = {
pc = 0x291a2c "\207",
top = 0xbfffe998,
bottom = 0xbfffe990,
byte_string = 2402283,
byte_string_start = 0x291a24 "\301\b\302H\b\303H\"\207",
constants = 2402308,
next = 0xbfffec34
}
result = 35186192
bytestr = 48001023
#13 0x001448fe in Feval (form=2402269) at eval.c:2383
numargs = 48001023
argvals = {2402283, 2402308, 32, 1, 31, 0, 1325787, 0}
args_left = 58721289
i = 3
fun = 35186192
val = 35186192
original_fun = 58832209
original_args = 2402277
funcar = 48001023
backtrace = {
next = 0xbfffecfc,
function = 0xbfffeabc,
args = 0xbfffea84,
nargs = 3,
evalargs = 1 '\001',
debug_on_exit = 0 '\0'
}
form = 58721289
#14 0x00146ee7 in internal_lisp_condition_case (var=58721289, bodyform=2402269,
handlers=2402341) at eval.c:1456
val = 48001023
c = {
tag = 58721289,
val = 58721289,
next = 0xbffff638,
gcpro = 0x0,
jmp = {895, 0, 8096, 1338696, -1073747112, 1331296, 2693788, 58721289,
-1073747048, -1073747232, 31, 658, 1338862, 1245207, 31, 31, 0, 1310775},
backlist = 0xbfffecfc,
handlerlist = 0xbffff6ac,
lisp_eval_depth = 1,
pdlcount = 8,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0xbfffec34
}
h = {
handler = 2402341,
var = 58721289,
chosen_clause = -1073747020,
tag = 0xbfffeaf8,
next = 0xbffff6ac
}
#15 0x0017d8d5 in Fbyte_code (bytestr=2402139, vector=2402156, maxdepth=5) at
bytecode.c:868
handlers = 48001024
body = 48001023
op = 48001024
vectorp = (Lisp_Object *) 0x24a770
stack = {
pc = 0x291a9c "\210\016\026\205x",
top = 0xbfffebb0,
bottom = 0xbfffebb0,
byte_string = 2402139,
byte_string_start = 0x291a2e "\b\021\n\020\v\022\306\034\307\v!\203|",
constants = 2402156,
next = 0x0
}
result = 35186192
bytestr = 48001023
#16 0x00144d33 in funcall_lambda (fun=2402100, nargs=1, arg_vector=0xbfffed54)
at eval.c:3229
val = 48001024
syms_left = 2402096
next = 2402096
i = 1
optional = 0
rest = 0
#17 0x00145216 in Ffuncall (nargs=2, args=0xbfffed50) at eval.c:3099
fun = 2402100
original_fun = 58751321
funcar = 48001023
numargs = 1
val = 35186192
backtrace = {
next = 0x0,
function = 0xbfffed50,
args = 0xbfffed54,
nargs = 1,
evalargs = 0 '\0',
debug_on_exit = 0 '\0'
}
internal_args = (Lisp_Object *) 0x24a734
i = 48001023
args = (Lisp_Object *) 0x3807959
#18 0x0014662b in call1 (fn=58751321, arg1=34898660) at eval.c:2827
ret_ungc_val = 48001024
#19 0x000d7818 in timer_check (do_it_now=1) at keyboard.c:4660
old_deactivate_mark = 58721289
vector = (Lisp_Object *) 0x21482e8
timer = 35186192
idle_timer = 3
now = {
tv_sec = 1216572694,
tv_usec = 525719
}
timers = 58721289
idle_timers = 40289645
chosen_timer = 34898660
#20 0x000d79c7 in readable_events (flags=1) at keyboard.c:3648
event = (struct input_event *) 0x2dc6fff
#21 0x000de46b in get_input_pending (addr=0x325800, flags=1) at keyboard.c:6953
No locals.
#22 0x000de58b in detect_input_pending_run_timers (do_display=1) at
keyboard.c:10622
old_timers_run = 16
#23 0x001880be in wait_reading_process_output (time_limit=30, microsecs=0,
read_kbd=-1, do_display=1, wait_for_cell=58721289, wait_proc=0x0,
just_wait_proc=0) at process.c:4954
old_timers_run = 16
old_buffer = (struct buffer *) 0x218e610
old_window = 34927684
leave = 1
timeout_reduced_for_timers = 1
channel = -1073746808
nfds = 0
Available = {
fds_bits = {0 <repeats 32 times>}
}
Connecting = {
fds_bits = {0 <repeats 32 times>}
}
check_connect = 0
check_delay = 0
no_avail = 0
xerrno = 0
proc = 1
timeout = {
tv_sec = 0,
tv_usec = 85305
}
end_time = {
tv_sec = 1216572724,
tv_usec = 403129
}
wait_channel = -1
got_some_input = 0
#24 0x0000c32a in sit_for (timeout=240, reading=1, do_display=1) at
dispnew.c:6623
sec = 30
usec = 0
do_display = 1
#25 0x000e0363 in read_char (commandflag=1, nmaps=2, maps=0xbffff3d0,
prev_event=58721289, used_mouse_menu=0xbffff4c8, end_time=0x0) at
keyboard.c:2932
tem0 = 30
delay_level = 4
buffer_size = 48001023
c = 58721289
count = 58824873
jmpcount = 2
local_getcjmp = {895, 0, 8096, 914157, 0, 1251674, 3304112, 3298672,
-1073745016, -1073745488, 35127327, 658, 916096, 66977815, 31, 31, 0, 1245239}
save_jump = {0 <repeats 18 times>}
key_already_recorded = 0
tem = 48001024
save = -1073745280
previous_echo_area_message = 58721289
also_record = 58721289
reread = 0
polling_stopped_here = 30
orig_kboard = (struct kboard *) 0x2134e30
#26 0x000e1e66 in read_key_sequence (keybuf=0xbffff588, bufsize=30,
prompt=58721289, dont_downcase_last=0, can_return_switch_frame=1,
fix_current_buffer=1) at keyboard.c:9431
interrupted_kboard = (KBOARD *) 0x2134e30
used_mouse_menu = 0
echo_local_start = 0
last_real_key_start = 0
keys_local_start = 0
local_first_binding = 0
from_string = 58721289
count = 2
t = 0
echo_start = 0
keys_start = 0
nmaps = 2
nmaps_allocated = 2
defs = (Lisp_Object * volatile) 0xbffff3b0
submaps = (Lisp_Object * volatile) 0xbffff3d0
orig_local_map = 39979517
orig_keymap = 58721289
localized_local_map = 0
first_binding = 0
first_unbound = 31
mock_input = 0
fkey = {
parent = 40032861,
map = 40032861,
start = 0,
end = 0
}
keytran = {
parent = 34140029,
map = 34140029,
start = 0,
end = 0
}
indec = {
parent = 40032869,
map = 40032869,
start = 0,
end = 0
}
shift_translated = 0
delayed_switch_frame = 58721289
original_uppercase = 3076992
original_uppercase_position = -1
starting_buffer = (struct buffer *) 0x218e610
fake_prefixed_keys = 58721289
#27 0x000e4230 in command_loop_1 () at keyboard.c:1653
cmd = 3298672
lose = 3298672
nonundocount = 0
keybuf = {248, 904827, 3321440, 58721289, -1073744360, 905036,
40287917, -1073744434, -1073744392, -1879037169, 92274892, 152, -1073744434,
58721289, 100663439, 1, 43, -1879036413, 51396120, 58721337, 51385976,
-1881082098, 5651960, 0, -1073744388, -1073744576, 0, 3342336, 58721289,
67054001}
i = 1
prev_modiff = 385161
prev_buffer = (struct buffer *) 0x218e610
already_adjusted = 0
#28 0x001435a8 in internal_condition_case (bfun=0xe4012 <command_loop_1>,
handlers=58760953, hfun=0xdce6d <cmd_error>) at eval.c:1511
val = 48001023
c = {
tag = 58721289,
val = 58721289,
next = 0xbffff73c,
gcpro = 0x0,
jmp = {895, 17831856, 8096, 1324215, 58721289, 58721289, 3311984, 3298672,
-1073744168, -1073744352, 31, 658, 1324364, 1507351, 3276831, 3276831,
-1073807360, -1073807305},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
pdlcount = 2,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
h = {
handler = 58760953,
var = 58721289,
chosen_clause = 58721337,
tag = 0xbffff638,
next = 0x0
}
#29 0x000d6054 in command_loop_2 () at keyboard.c:1369
val = 48001024
#30 0x001431fa in internal_catch (tag=58757025, func=0xd6010 <command_loop_2>,
arg=58721289) at eval.c:1247
c = {
tag = 58757025,
val = 58721289,
next = 0x0,
gcpro = 0x0,
jmp = {895, 18, 8096, 1323358, 4, 20287, 3320944, 3298672, -1073743944,
-1073744096, 58851359, 658, 1323501, 58851351, 58851359, 58720287, 51380224,
55},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
pdlcount = 2,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
tag = 48001024
#31 0x000d5df6 in command_loop () at keyboard.c:1348
val = 48001024
#32 0x000d5eaf in recursive_edit_1 () at keyboard.c:957
val = 0
#33 0x000d5ff7 in Frecursive_edit () at keyboard.c:1019
buffer = 58721289
#34 0x000d5035 in main (argc=5, argv=0xbffff9c0) at emacs.c:1796
dummy = -1881117246
stack_bottom_variable = 0 '\0'
do_initial_setlocale = 1
skip_args = 0
rlim = {
rlim_cur = 8388608,
rlim_max = 67108864
}
no_loadup = 0
junk = 0x0
Lisp Backtrace:
"scan-sexps" (0xbfffe518)
"byte-code" (0xbfffe604)
"show-paren-function" (0xbfffe998)
"apply" (0xbfffe994)
"byte-code" (0xbfffea84)
"timer-event-handler" (0xbfffed54)
In GNU Emacs 23.0.60.10 (i386-apple-darwin8.11.1, GTK+ Version 2.12.9)
of 2008-07-18 on pnsgw3-client030.demo.tuwien.ac.at
Windowing system distributor `The XFree86 Project, Inc', version 11.0.40400000
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: nil
value of $XMODIFIERS: nil
locale-coding-system: nil
default-enable-multibyte-characters: t