public inbox for fortran@gcc.gnu.org
 help / color / mirror / Atom feed
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: Harald Anlauf via Fortran <fortran@gcc.gnu.org>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] Fortran: fix ICE in check_host_association [PR108544]
Date: Wed, 25 Jan 2023 14:19:56 -0800	[thread overview]
Message-ID: <Y9GrDPPyWAUU36VT@troutmask.apl.washington.edu> (raw)
In-Reply-To: <trinity-5e4b248f-79f4-46ea-aafa-9a6a12d90f2f-1674683962284@3c-app-gmx-bs46>

On Wed, Jan 25, 2023 at 10:59:22PM +0100, Harald Anlauf via Fortran wrote:
> Dear all,
> 
> the attached patch fixes two issues: first it addresses a NULL pointer
> dereference on invalid input, triggered by the provided testcase.
> 
> Second, while analyzing the context of the affected code, I looked into
> the testcase for PR96102, and by varying it slightly, i.e. replacing
> functions by subroutines I found that we accept invalid code that is
> rejected by several other brands tested.  To fix this, I removed one
> line of a condition that did not seem to make sense to me.
> 
> Regtested on x86_64-pc-linux-gnu.  OK for mainline?
> 

Yes.  I briefly looked at this by simply commenting out
the assert, which gives too many odd error messages.
Returning 'false' seems to  be best.

-- 
Steve

      reply	other threads:[~2023-01-25 22:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-25 21:59 Harald Anlauf
2023-01-25 22:19 ` Steve Kargl [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=Y9GrDPPyWAUU36VT@troutmask.apl.washington.edu \
    --to=sgk@troutmask.apl.washington.edu \
    --cc=fortran@gcc.gnu.org \
    --cc=gcc-patches@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).