GNU bug report logs - #47244
28.0.50; SIGSEGV in long-runnning Emacs

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From: martin rudalics <rudalics <at> gmx.at>
To: Michael Welsh Duggan <mwd <at> cert.org>
Cc: Michael Welsh Duggan <mwd <at> md5i.com>, "47244 <at> debbugs.gnu.org" <47244 <at> debbugs.gnu.org>, "schwab <at> linux-m68k.org" <schwab <at> linux-m68k.org>
Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs
Date: Mon, 5 Apr 2021 22:39:34 +0200

> Surprisingly, no.  Three frames were checked.  The only buffers in
> windows involved in the entire process were:
>
> "build.ninja"  - I had that file in another frame
> " *Minibuf-0*" - Looks like this was in the same frame as build.ninja?
> "*Server*"     - This was the window whose buffer is being deleted

But *Server* _is_ the buffer that shall be killed IIUC - the obj passed
to window_loop.  I nowhere see that you tried

p XBUFFER (w->contents)->name_

below.  Basically when you encounter the

if (EQ (w->contents, obj))

eventually w->contents should be that buffer.  And apparently
w->contents never is that buffer.  Can you check again?

martin

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