linux-ext4.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Eric Biggers <ebiggers@kernel.org>
To: "Theodore Y. Ts'o" <tytso@mit.edu>
Cc: kbuild test robot <lkp@intel.com>,
	kbuild-all@lists.01.org,
	Ext4 Developers List <linux-ext4@vger.kernel.org>,
	syzbot+f8d6f8386ceacdbfff57@syzkaller.appspotmail.com,
	stable@kernel.org
Subject: Re: [PATCH -v2] ext4: add more paranoia checking in ext4_expand_extra_isize handling
Date: Mon, 18 Nov 2019 20:36:40 -0800	[thread overview]
Message-ID: <20191119043640.GE163020@sol.localdomain> (raw)
In-Reply-To: <20191119042120.GD4262@mit.edu>

On Mon, Nov 18, 2019 at 11:21:20PM -0500, Theodore Y. Ts'o wrote:
> On Mon, Nov 18, 2019 at 06:15:26PM -0800, Eric Biggers wrote:
> > Is this patch intended to address
> > https://lore.kernel.org/linux-ext4/000000000000950f21059564e4c7@google.com
> > as well?  If so, you can add the second Reported-by line so that both syzbot
> > reports get closed.
> 
> Yes, it appears to be the same issue.  Thanks for pointing this out!
> 
>      		      	       	       - Ted

There's actually a third that looks very similar too:

"KASAN: use-after-free Write in __ext4_expand_extra_isize (2)"
https://lkml.kernel.org/linux-ext4/0000000000000d74c7059564e17f@google.com/

If these are all fixed by this patch, you can use:

Reported-by: syzbot+f8d6f8386ceacdbfff57@syzkaller.appspotmail.com
Reported-by: syzbot+33d7ea72e47de3bdf4e1@syzkaller.appspotmail.com
Reported-by: syzbot+44b6763edfc17144296f@syzkaller.appspotmail.com

      reply	other threads:[~2019-11-19  4:36 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-08  2:48 [PATCH] ext4: add more paranoia checking in ext4_expand_extra_isize handling Theodore Ts'o
2019-11-10 10:12 ` kbuild test robot
2019-11-10 12:15   ` [PATCH -v2] " Theodore Y. Ts'o
2019-11-19  2:15     ` Eric Biggers
2019-11-19  4:21       ` Theodore Y. Ts'o
2019-11-19  4:36         ` Eric Biggers [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=20191119043640.GE163020@sol.localdomain \
    --to=ebiggers@kernel.org \
    --cc=kbuild-all@lists.01.org \
    --cc=linux-ext4@vger.kernel.org \
    --cc=lkp@intel.com \
    --cc=stable@kernel.org \
    --cc=syzbot+f8d6f8386ceacdbfff57@syzkaller.appspotmail.com \
    --cc=tytso@mit.edu \
    /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 NNTP newsgroup(s).