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bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with
From: |
Eli Zaretskii |
Subject: |
bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages |
Date: |
Fri, 26 Apr 2019 22:04:54 +0300 |
> From: Kaushal Modi <kaushal.modi@gmail.com>
> Date: Fri, 26 Apr 2019 14:34:38 -0400
> Cc: 35429@debbugs.gnu.org
>
> (gdb) fr 2
> #2 0x0000000000456b44 in init_iterator (it=it@entry=0x7fffffff3040,
> w=w@entry=0x89da880, charpos=2874,
> bytepos=<optimized out>, row=<optimized out>,
> base_face_id=base_face_id@entry=DEFAULT_FACE_ID)
> at xdisp.c:3047
> 3047 eassert (charpos == BYTE_TO_CHAR (bytepos));
> (gdb) p w->start
> $13 = XIL(0x89daa95)
> (gdb) xmarker
> $14 = (struct Lisp_Marker *) 0x89daa90
> (gdb) p *$
> $15 = {
> header = {
> size = 4611686018477740032
> },
> buffer = 0x8d95c10,
> need_adjustment = false,
> insertion_type = false,
> next = 0x89daaf0,
> charpos = 2874,
> bytepos = 2874
> }
> (gdb)
So the window's start point is outdated. How did that happen? What
kind of stuff do you have on window-scroll-functions? This should
show us:
(gdb) pp Vwindow_scroll_functions
Also, what buffer does the window-start marker record?
(gdb) fr 2
(gdb) p w->start
(gdb) xmarker
(gdb) p $->buffer->name_
(gdb) xstring
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Kaushal Modi, 2019/04/25
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Eli Zaretskii, 2019/04/25
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Kaushal Modi, 2019/04/25
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Eli Zaretskii, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Kaushal Modi, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Eli Zaretskii, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Kaushal Modi, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Eli Zaretskii, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Kaushal Modi, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages,
Eli Zaretskii <=
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Kaushal Modi, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Eli Zaretskii, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Kaushal Modi, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Eli Zaretskii, 2019/04/26
- bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages, Kaushal Modi, 2019/04/26