bug#39962: 27.0.90; Crash in Emacs 27.0.90

[Pieter van Oostrum]

Pip Cet <pipcet@gmail.com> writes:

> On Tue, Mar 17, 2020 at 3:29 AM Pieter van Oostrum
> <pieter-l@vanoostrum.org> wrote:
>
>> (gdb) f 3
>> #3  0x000000010023cdc5 in marker_position (marker=XIL(0x12590f575))
>>     at marker.c:691
>> 691       register struct Lisp_Marker *m = XMARKER (marker);
>> (gdb) p marker
>> $1 = XIL(0x12590f575)
>> (gdb) xtype
>> Lisp_Vectorlike
>> PVEC_NORMAL_VECTOR
>> (gdb) p m
>> $2 = (struct Lisp_Marker *) 0x7ffeefbe92d0
>
> m has not been set; it would have been set to 0x12590f570; can you
> print out the memory at that address? (x/32gx 0x12590f570)

(gdb) x/32gx 0x12590f570
0x12590f570:    0x0000000000000000      0x000000015b8a3b30
0x12590f580:    0xa5a5a5a5a5a5a5a4      0x000000012590f540
0x12590f590:    0x0000000000014bea      0x0000000000014bea
0x12590f5a0:    0x4000000004001003      0x000000012590f545
0x12590f5b0:    0x000000012590f575      0x000000010e1e2ee3
0x12590f5c0:    0x000000012590f4b0      0xa5a5a5a5a5a5a5a5
0x12590f5d0:    0x4000000003005000      0x000000015b6eedc0
0x12590f5e0:    0xa5a5a5a5a5a5a5a4      0x000000012590f6f0
0x12590f5f0:    0x00000000004d6218      0x00000000004d6218
0x12590f600:    0x0000000000000005      0x000000012590f4e5
0x12590f610:    0x0000000160e78c05      0x0000000125f406a5
0x12590f620:    0x0000000125f40755      0x000000012590f3f5
0x12590f630:    0x4000000003005000      0x000000015b8a3b30
0x12590f640:    0xa5a5a5a5a5a5a5a4      0x000000016082a730
0x12590f650:    0x0000000000014bea      0x0000000000014bea
0x12590f660:    0x4000000003005000      0x000000015b8a3b30
(gdb) 

-- 
Pieter van Oostrum
www: http://pieter.vanoostrum.org/
PGP key: [8DAE142BE17999C4]