bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs

[Michael Welsh Duggan]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Michael Welsh Duggan <mwd@cert.org>
>> Cc: "mwd@md5i.com" <mwd@md5i.com>,
>>         "47244@debbugs.gnu.org"
>>  <47244@debbugs.gnu.org>
>> Date: Thu, 18 Mar 2021 14:54:19 -0400
>> 
>> I do have a gnus demon running in the background:
>>   (gnus-demon-add-handler 'gnus-demon-scan-news 5 nil)
>
> Maybe that is the reason that the current buffer is being killed under
> our feet, I don't know.
>
> Is the GDB session still alive?  If so, could you show what the
> following displays?
>
>   (gdb) p XWINDOW(selected_window)->contents
>   (gdb) xtype
>
> If "xtype" says it's a buffer, please type:
>
>   (gdb) xbuffer
>
> and tell what that shows.

(gdb) p XWINDOW(selected_window)->contents
$10 = XIL(0x555558df4845)
(gdb) xtype
Lisp_Vectorlike
PVEC_BUFFER
(gdb) xbuffer
$11 = (struct buffer *) 0x555558df4840
"DEAD"

-- 
Michael Welsh Duggan
(mwd@cert.org)