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bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421
From: |
Tassilo Horn |
Subject: |
bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421 |
Date: |
Wed, 07 Nov 2012 12:39:01 +0100 |
User-agent: |
Gnus/5.130006 (Ma Gnus v0.6) Emacs/24.3.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> They haven't, but now you should be able to use xtype to see what kind
> of object is obj that cases the crash.
Ok. It took much longer for the crash to occur, but now xtype worked
(complete backtrace attached).
Program received signal SIGSEGV, Segmentation fault.
0x00000000005437a4 in event_to_kboard (event=0xbc0660 <kbd_buffer+18944>)
at keyboard.c:3421
3421 if (WINDOWP (obj))
(gdb) p obj
$1 = 7652357
(gdb) xtype
Lisp_Vectorlike
Cannot access memory at address 0x74c400
Bye,
Tassilo
Program received signal SIGSEGV, Segmentation fault.
0x00000000005437a4 in event_to_kboard (event=0xbc0660 <kbd_buffer+18944>)
at keyboard.c:3421
3421 if (WINDOWP (obj))
(gdb) p obj
$1 = 7652357
(gdb) xtype
Lisp_Vectorlike
Cannot access memory at address 0x74c400
(gdb) bt full
#0 0x00000000005437a4 in event_to_kboard (event=0xbc0660 <kbd_buffer+18944>)
at keyboard.c:3421
obj = 7652357
#1 0x00000000005442bd in kbd_buffer_get_event (kbp=0x7fff3d71dd20,
used_mouse_menu=0x7fff3d71e2d7, end_time=0x0) at keyboard.c:3823
event = 0xbc0660 <kbd_buffer+18944>
obj = 357921035
#2 0x0000000000541e8d in read_char (commandflag=1, nmaps=8,
maps=0x7fff3d71e0c0, prev_event=12766914, used_mouse_menu=0x7fff3d71e2d7,
end_time=0x0) at keyboard.c:2768
kb = 0x10000000532ead5
c = 12766914
jmpcount = 2
local_getcjmp = {{
__jmpbuf = {0, 2550837358400367020, 4290928, 140734224264208, 0,
0, 2550837360409438636, -2551254709291062868},
__mask_was_saved = 0,
__saved_mask = {
__val = {190348, 140734224261248, 6058850, 57672011, 9323869,
12766914, 4290928, 140734224260896, 6116284, 1, 12766914,
12807021, 100865958, 0, 12766866, 12766914}
}
}}
---Type <return> to continue, or q <return> to quit---
save_jump = {{
__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0},
__mask_was_saved = 0,
__saved_mask = {
__val = {0 <repeats 16 times>}
}
}}
tem = 87222992
save = 12769840
previous_echo_area_message = 12766914
also_record = 12766914
reread = false
gcpro1 = {
next = 0x532ead0,
var = 0x33e7ec0,
nvars = 54427328
}
gcpro2 = {
next = 0x7fff3d71dd60,
var = 0x63dbd7 <find_interval+117>,
nvars = 54427328
}
polling_stopped_here = true
---Type <return> to continue, or q <return> to quit---
orig_kboard = 0x27a50c0
#3 0x000000000054e93c in read_key_sequence (keybuf=0x7fff3d71e550,
bufsize=30, prompt=12766914, dont_downcase_last=false,
can_return_switch_frame=true, fix_current_buffer=true) at keyboard.c:9223
interrupted_kboard = 0x27a50c0
interrupted_frame = 0x122bd10
key = 40
used_mouse_menu = false
echo_local_start = 0
last_real_key_start = 0
keys_local_start = 0
local_first_binding = 0
from_string = 12766914
count = 2
t = 0
echo_start = 0
keys_start = 0
nmaps = 8
nmaps_allocated = 8
defs = 0x7fff3d71e070
submaps = 0x7fff3d71e0c0
orig_local_map = 74940486
orig_keymap = 12766914
---Type <return> to continue, or q <return> to quit---
localized_local_map = 0
first_binding = 0
first_unbound = 31
mock_input = 0
fkey = {
parent = 19811574,
map = 19811574,
start = 0,
end = 0
}
keytran = {
parent = 12746166,
map = 12746166,
start = 0,
end = 0
}
indec = {
parent = 19811558,
map = 19811558,
start = 0,
end = 0
}
shift_translated = false
---Type <return> to continue, or q <return> to quit---
delayed_switch_frame = 12766914
original_uppercase = 87222992
original_uppercase_position = -1
dummyflag = false
starting_buffer = 0x532ead0
fake_prefixed_keys = 12766914
gcpro1 = {
next = 0x7fff3d71e300,
var = 0x532ead5,
nvars = 12953202
}
#4 0x000000000053f414 in command_loop_1 () at keyboard.c:1458
cmd = 12807106
keybuf = {436, 12, 12766914, 140734224262752, 12766962, 99474918,
3994319585295, 40855936, 40580512, 800, 140734224262592, 9345238,
12818658, 19053840, 140734224262640, 5165477, 9374113, 6970589,
140734224262192, 12766914, 12766914, 9345249, 140734224262720,
5499993, 140734224262752, 99474918, 12766914, 19053840,
140734224262720, 0}
i = 1
prev_modiff = 49690
prev_buffer = 0x532ead0
already_adjusted = false
---Type <return> to continue, or q <return> to quit---
#5 0x00000000005d6d57 in internal_condition_case (
bfun=0x53f02d <command_loop_1>, handlers=12818562,
hfun=0x53e92e <cmd_error>) at eval.c:1288
val = 1
c = {
tag = 12766914,
val = 12766914,
next = 0x7fff3d71e890,
gcpro = 0x0,
jmp = {{
__jmpbuf = {0, 2550837358681385388, 4290928, 140734224264208, 0,
0, 2550837358582819244, -2551254790071916116},
__mask_was_saved = 0,
__saved_mask = {
__val = {15895489283637635500, 0, 140223433214848, 4294967295,
0, 9290408, 0, 0, 0, 0, 140223529376260, 1, 0, 1,
140223429356144, 0}
}
}},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
pdlcount = 2,
---Type <return> to continue, or q <return> to quit---
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
h = {
handler = 12818562,
var = 12766914,
chosen_clause = 12766962,
tag = 0x7fff3d71e710,
next = 0x0
}
#6 0x000000000053ed46 in command_loop_2 (ignore=12766914) at keyboard.c:1167
val = 0
#7 0x00000000005d672b in internal_catch (tag=12814402,
func=0x53ed20 <command_loop_2>, arg=12766914) at eval.c:1059
c = {
tag = 12814402,
val = 12766914,
next = 0x0,
gcpro = 0x0,
jmp = {{
__jmpbuf = {0, 2550837358631053740, 4290928, 140734224264208, 0,
0, 2550837358672996780, -2551254790282155604},
---Type <return> to continue, or q <return> to quit---
__mask_was_saved = 0,
__saved_mask = {
__val = {0, 0, 144, 0, 0, 140734224263568, 6025345,
4294967296, 12766914, 12766914, 12988610, 140734224263664,
0, 12218656, 12793680, 352}
}
}},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
pdlcount = 2,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
#8 0x000000000053ecf8 in command_loop () at keyboard.c:1146
No locals.
#9 0x000000000053e47b in recursive_edit_1 () at keyboard.c:778
count = 1
val = 12766914
#10 0x000000000053e621 in Frecursive_edit () at keyboard.c:842
count = 0
buffer = 12766914
---Type <return> to continue, or q <return> to quit---
#11 0x000000000053c564 in main (argc=1, argv=0x7fff3d71ec18) at emacs.c:1564
dummy = 4247287
stack_bottom_variable = 0 '\000'
do_initial_setlocale = true
dumping = false
skip_args = 0
rlim = {
rlim_cur = 8720000,
rlim_max = 18446744073709551615
}
no_loadup = false
junk = 0x0
dname_arg = 0x0
ch_to_dir = 0x13ad000 "<\001"
(gdb)
(gdb) xbacktrace
(gdb)
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, (continued)
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Paul Eggert, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Paul Eggert, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421,
Tassilo Horn <=
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/07
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/07
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/07
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/08
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Dmitry Antipov, 2012/11/08
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/08
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/12
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06