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bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs
From: |
Michael Welsh Duggan |
Subject: |
bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs |
Date: |
Tue, 23 Mar 2021 10:18:25 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Michael Welsh Duggan <mwd@cert.org>
>> Cc: Michael Welsh Duggan <mwd@md5i.com>,
>> "schwab@linux-m68k.org"
>> <schwab@linux-m68k.org>,
>> "47244@debbugs.gnu.org" <47244@debbugs.gnu.org>
>> Date: Fri, 19 Mar 2021 10:21:18 -0400
>>
>> Lisp Backtrace:
>> "kill-buffer" (0xfffeca60)
>> 0x56e58d70 PVEC_COMPILED
>> "substitute-command-keys" (0xfffed728)
>> "redisplay_internal (C function)" (0x0)
>
> Thanks. This case isn't interesting, because this is a temporary
> buffer we don't display. So I guess we need to augment the breakpoint
> condition:
>
> break buffer.c:1840 if redisplaying_p != 0 && b->window_count > 0
This triggered today.
#0 0x00005555555e1b6d in redisplay_internal ()
at ../../master/src/xdisp.c:15789
w = 0x555557ef0018
sw = 0x555557ef0018
fr = 0x555556d8c360
pending = false
must_finish = true
match_p = true
tlbufpos = {
charpos = 127,
bytepos = 127
}
tlendpos = {
charpos = 0,
bytepos = 0
}
number_of_visible_frames = 6
count = 3
sf = 0x555556d8c360
polling_stopped_here = false
tail = XIL(0)
frame = XIL(0x555555d61a05)
hscroll_retries = 0
garbaged_frame_retries = 0
consider_all_windows_p = false
update_miniwindow_p = true
#1 0x00005555555e072a in redisplay () at ../../master/src/xdisp.c:15245
#2 0x00005555556e9a9d in read_char
(commandflag=1, map=XIL(0x555559e15883), prev_event=XIL(0),
used_mouse_menu=0x7fffffffdabf, end_time=0x0) at
../../master/src/keyboard.c:2496
echo_current = false
c = XIL(0)
jmpcount = 93825000034176
local_getcjmp = {{
__jmpbuf = {93825000067056, 0, 93825000034176, 0, 0,
140737488345232, 93824994486998, 93825057660325},
__mask_was_saved = -10032,
__saved_mask = {
__val = {93824994503983, 140737259836008, 140737259835960, 0,
46912259801784, 0, 140737259836008, 93825000034176, 0, 0, 140737488345344,
93824993978237, 4066447928, 93825000034176, 0, 0}
}
}}
save_jump = {{
__jmpbuf = {0, 32880, 0, 140737266328160, 0, 0, 93825057660320, 0},
__mask_was_saved = 0,
__saved_mask = {
__val = {93825000067056, 93824994486998, 0, 140737488345184,
93824994508583, 140737266328160, 12884891664, 0, 32880, 93825057660320,
140737266328160, 93824995129573, 51539607552, 93825057660325, 93825057660320,
93824995130016}
}
}}
tem = XIL(0)
save = XIL(0x5555556fe77d)
previous_echo_area_message = XIL(0)
also_record = XIL(0)
reread = false
recorded = false
polling_stopped_here = false
orig_kboard = 0x555555df8ad0
#3 0x00005555556f8848 in read_key_sequence
(keybuf=0x7fffffffdcc0, prompt=XIL(0), dont_downcase_last=false,
can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=false)
at ../../master/src/keyboard.c:9491
interrupted_kboard = 0x555555df8ad0
interrupted_frame = 0x555556d8c360
key = XIL(0x555555713fdd)
used_mouse_menu = false
echo_local_start = 0
last_real_key_start = 0
keys_local_start = 0
new_binding = XIL(0x555556e620a0)
count = 3
t = 0
echo_start = 0
keys_start = 0
current_binding = XIL(0x555559e15883)
first_unbound = 31
mock_input = 0
used_mouse_menu_history = {false <repeats 30 times>}
fkey = {
parent = XIL(0x555556b8de53),
map = XIL(0x555556b8de53),
start = 0,
end = 0
}
keytran = {
parent = XIL(0x7ffff2c29383),
map = XIL(0x7ffff2c29383),
start = 0,
end = 0
}
indec = {
parent = XIL(0x555556b8de43),
map = XIL(0x555556b8de43),
start = 0,
end = 0
}
shift_translated = false
delayed_switch_frame = XIL(0)
original_uppercase = XIL(0)
original_uppercase_position = -1
dummyflag = false
starting_buffer = 0x5555593b9da0
fake_prefixed_keys = XIL(0)
first_event = XIL(0)
second_event = XIL(0)
#4 0x00005555556e6d1f in command_loop_1 () at ../../master/src/keyboard.c:1353
cmd = XIL(0x7fffffffde10)
keybuf = {XIL(0), XIL(0x7ffff2c2932d), make_fixnum(23456248600171),
XIL(0x15665d0), XIL(0x7fffffffdd70), XIL(0x55555579dee5), XIL(0x15665d0),
XIL(0x7ffff25804c4), XIL(0x555559e15ae3), XIL(0x7ffff2c2932d),
XIL(0x7ffff2c2932d), XIL(0x555559e15ae3), XIL(0x7ffff25804c4), XIL(0x15665d0),
XIL(0), XIL(0), XIL(0x555555cc4f80), XIL(0), XIL(0), XIL(0x7fffffffdd70),
XIL(0x5555556e3c40), XIL(0xffffddc0), XIL(0x555555cc4f80), XIL(0), XIL(0),
XIL(0x7fffffffdda0), XIL(0x5555557979dd), make_fixnum(0), XIL(0x7fffffffdde0),
make_fixnum(23456248654899)}
i = 1
prev_modiff = 0
prev_buffer = 0x0
already_adjusted = false
#5 0x000055555579acc9 in internal_condition_case (bfun=0x5555556e68d9
<command_loop_1>, handlers=XIL(0x90), hfun=0x5555556e6075 <cmd_error>) at
../../master/src/eval.c:1439
val = XIL(0x5555556e3c40)
c = 0x555555dc03e0
#6 0x00005555556e65a1 in command_loop_2 (ignore=XIL(0)) at
../../master/src/keyboard.c:1094
val = make_fixnum(0)
#7 0x000055555579a4d7 in internal_catch (tag=XIL(0xd9e0), func=0x5555556e6574
<command_loop_2>, arg=XIL(0)) at ../../master/src/eval.c:1189
val = XIL(0xd9e0)
c = 0x555555da9710
#8 0x00005555556e6540 in command_loop () at ../../master/src/keyboard.c:1073
#9 0x00005555556e5c46 in recursive_edit_1 () at ../../master/src/keyboard.c:720
count = 1
val = XIL(0x7fffffffdf50)
#10 0x00005555556e5dc9 in Frecursive_edit () at ../../master/src/keyboard.c:789
count = 0
buffer = XIL(0)
#11 0x00005555556e27f6 in main (argc=2, argv=0x7fffffffe1b8) at
../../master/src/emacs.c:2050
stack_bottom_variable = 0x7ffff617e053
no_loadup = false
junk = 0x0
dname_arg = 0x0
ch_to_dir = 0x0
original_pwd = 0x0
dump_mode = 0x0
skip_args = 1
temacs = 0x0
attempt_load_pdump = true
rlim = {
rlim_cur = 10022912,
rlim_max = 18446744073709551615
}
lc_all = 0x0
sockfd = -1
module_assertions = false
Lisp Backtrace:
"redisplay_internal (C function)" (0x0)
--
Michael Welsh Duggan
(mwd@cert.org)
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, (continued)
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs,
Michael Welsh Duggan <=
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/23
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/23
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/23
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/23
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/23
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/23
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/24
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/24
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/24
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/24