GNU bug report logs - #47067
28.0.50; [feature/native-comp] Crash while scrolling through dispnew.c

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Message #77 received at 47067 <at> debbugs.gnu.org (full text, mbox):

From: Pip Cet <pipcet <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 47067 <at> debbugs.gnu.org, Andrea Corallo <akrl <at> sdf.org>
Subject: Re: bug#47067: 28.0.50; [feature/native-comp] Crash while scrolling
 through dispnew.c
Date: Sat, 13 Mar 2021 08:53:04 +0000

On Sat, Mar 13, 2021 at 8:47 AM Eli Zaretskii <eliz <at> gnu.org> wrote:
> > From: Pip Cet <pipcet <at> gmail.com>
> > Date: Sat, 13 Mar 2021 08:18:43 +0000
> > Cc: Andrea Corallo <akrl <at> sdf.org>, 47067 <at> debbugs.gnu.org
> >
> > > They are large functions.  I will post the disassembly if someone
> > > wants to look at it.
> >
> > I'm volunteering :-)
>
> Thanks.  I attach disassembly of 2 functions somehow involved in this,
> with the corresponding broken backtraces.

It's c-beginning-of-statement-1 that I think is the immediate caller.
Can you disassemble the function around 0x09c32285 (or, in another
dump, whatever calls Flss), particularly the 256 bytes or so before
that EIP?

Thanks!
Pip

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