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bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs
From: |
Alan Third |
Subject: |
bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs |
Date: |
Sat, 19 Nov 2016 10:07:03 +0000 |
User-agent: |
Mutt/1.7.0 (2016-08-17) |
On Sat, Nov 19, 2016 at 09:07:50AM +0200, Eli Zaretskii wrote:
> Can you convert the address in frame #0 into line numbers? Judging by
> the faulting address, 0xd0, some pointer in
> ns_compute_glyph_string_overhangs is a null pointer, but it's hard to
> tell which one without the line number information.
I finally managed to replicate this on my own build:
(lldb) run -Q ~/test-file
Process 66588 launched:
'/Users/alan/src/emacs/emacs-25/nextstep/Emacs.app/Contents/MacOS/Emacs'
(x86_64)
Process 66588 stopped
* thread #1: tid = 0x154600, 0x00000001002c0940
Emacs`ns_compute_glyph_string_overhangs(s=0x00007fff5fbfb6f0) + 224 at
nsterm.m:2681, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS
(code=1, address=0xd0)
frame #0: 0x00000001002c0940
Emacs`ns_compute_glyph_string_overhangs(s=0x00007fff5fbfb6f0) + 224 at
nsterm.m:2681
2678 else
2679 {
2680 s->left_overhang = 0;
-> 2681 if (EQ (font->driver->type, Qns))
2682 s->right_overhang = ((struct nsfont_info *)font)->ital ?
2683 FONT_HEIGHT (font) * 0.2 : 0;
2684 else
(lldb) bt all
* thread #1: tid = 0x154600, 0x00000001002c0940
Emacs`ns_compute_glyph_string_overhangs(s=0x00007fff5fbfb6f0) + 224 at
nsterm.m:2681, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS
(code=1, address=0xd0)
* frame #0: 0x00000001002c0940
Emacs`ns_compute_glyph_string_overhangs(s=0x00007fff5fbfb6f0) + 224 at
nsterm.m:2681
frame #1: 0x0000000100058e7c Emacs`draw_glyphs(w=0x000000010204f430, x=570,
row=0x000000010240e100, area=TEXT_AREA, start=0, end=52, hl=DRAW_NORMAL_TEXT,
overlaps=0) + 3324 at xdisp.c:25673
frame #2: 0x00000001000580cd Emacs`x_write_glyphs(w=0x000000010204f430,
updated_row=0x000000010240e100, start=0x0000000102420000,
updated_area=TEXT_AREA, len=52) + 269 at xdisp.c:27774
frame #3: 0x000000010000ea34 Emacs`update_text_area(w=0x000000010204f430,
updated_row=0x000000010240e100, vpos=1) + 452 at dispnew.c:3612
frame #4: 0x000000010000ca32 Emacs`update_window_line(w=0x000000010204f430,
vpos=1, mouse_face_overwritten_p=0x00007fff5fbfbdd2) + 274 at dispnew.c:3855
frame #5: 0x0000000100006be1 Emacs`update_window(w=0x000000010204f430,
force_p=true) + 865 at dispnew.c:3477
frame #6: 0x0000000100005c88 Emacs`update_window_tree(w=0x000000010204f430,
force_p=true) + 200 at dispnew.c:3219
frame #7: 0x0000000100005996 Emacs`update_frame(f=0x0000000102050430,
force_p=true, inhibit_hairy_id_p=false) + 182 at dispnew.c:3108
frame #8: 0x000000010004151d Emacs`redisplay_internal + 6957 at
xdisp.c:14085
frame #9: 0x0000000100042a79 Emacs`redisplay + 9 at xdisp.c:13255
frame #10: 0x000000010013a985 Emacs`read_char(commandflag=1,
map=4362425571, prev_event=0, used_mouse_menu=0x00007fff5fbfefb7,
end_time=0x0000000000000000) + 1829 at keyboard.c:2482
frame #11: 0x0000000100136b09
Emacs`read_key_sequence(keybuf=0x00007fff5fbff2e0, bufsize=30, prompt=0,
dont_downcase_last=false, can_return_switch_frame=true,
fix_current_buffer=true, prevent_redisplay=false) + 1737 at keyboard.c:9068
frame #12: 0x00000001001356bb Emacs`command_loop_1 + 1435 at keyboard.c:1370
frame #13: 0x00000001001f8493
Emacs`internal_condition_case(bfun=(Emacs`command_loop_1 at keyboard.c:1261),
handlers=16752, hfun=(Emacs`cmd_error at keyboard.c:940)) + 115 at eval.c:1314
frame #14: 0x000000010014a8ec Emacs`command_loop_2(ignore=0) + 44 at
keyboard.c:1112
frame #15: 0x00000001001f7c68 Emacs`internal_catch(tag=42480,
func=(Emacs`command_loop_2 at keyboard.c:1108), arg=0) + 72 at eval.c:1079
frame #16: 0x0000000100134688 Emacs`command_loop + 280 at keyboard.c:1091
frame #17: 0x00000001001344d0 Emacs`recursive_edit_1 + 192 at keyboard.c:697
frame #18: 0x0000000100134821 Emacs`Frecursive_edit + 305 at keyboard.c:768
frame #19: 0x0000000100132548 Emacs`main(argc=3, argv=0x00007fff5fbff8e8) +
5864 at emacs.c:1626
frame #20: 0x00007fff8f1a6255 libdyld.dylib`start + 1
frame #21: 0x00007fff8f1a6255 libdyld.dylib`start + 1
(lldb) frame variable
(glyph_string *) s = 0x00007fff5fbfb6f0
(font *) font = 0x0000000000000000
(lldb) frame variable *s
(glyph_string) *s = {
x = 10
y = 16
ybase = 30
width = 11
background_width = 11
height = 20
left_overhang = 0
right_overhang = 0
f = 0x0000000102050430
w = 0x000000010204f430
display = 0x0000000000000000
window = 1
row = 0x000000010240e100
area = TEXT_AREA
char2b = 0x0000000000000000
nchars = 1
hl = DRAW_NORMAL_TEXT
face = 0x000000010153b400
font = 0x0000000000000000
cmp = 0x0000000000000000
cmp_id = 0
cmp_from = 0
cmp_to = 0
extends_to_end_of_line_p = false
background_filled_p = false
font_not_found_p = false
stippled_p = false
for_overlaps = 0
padding_p = false
first_glyph = 0x0000000102420000
img = 0x0000000000000000
xwidget = 0x0000000000000000
slice = (x = 0, y = 0, width = 0, height = 0)
clip_head = 0x0000000000000000
clip_tail = 0x0000000000000000
clip = ([0] = (origin = (x = 0, y = 0), size = (width = 0, height = 0)), [1]
= (origin = (x = 0, y = 0), size = (width = 0, height = 0)))
num_clips = 0
underline_position = 0
underline_thickness = 0
next = 0x00007fff5fbfb5d0
prev = 0x0000000000000000
}
--
Alan Third
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Josh Berdine, 2016/11/18
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Eli Zaretskii, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs,
Alan Third <=
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Eli Zaretskii, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Alan Third, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Eli Zaretskii, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Alan Third, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Eli Zaretskii, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Alan Third, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Eli Zaretskii, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Alan Third, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Eli Zaretskii, 2016/11/19
- bug#22818: 25.1.1 Emacs.app crash ns_compute_glyph_string_overhangs, Alan Third, 2016/11/19