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: 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

Okay.  I'll run with that for a while and see if I can't trigger the
crash (or breakpoint) again.

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