linux-kernel - Re: [PATCH] ntfs: change check order in ntfs_attr

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Message-ID: <20220829095106.GG2071@kadam>
Date:   Mon, 29 Aug 2022 12:51:06 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Hawkins Jiawei <yin31149@...il.com>
Cc:     akpm@...ux-foundation.org, anton@...era.com,
        chenxiaosong2@...wei.com, linux-kernel@...r.kernel.org,
        linux-ntfs-dev@...ts.sourceforge.net,
        syzbot+5f8dcabe4a3b2c51c607@...kaller.appspotmail.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] ntfs: change check order in ntfs_attr_find

On Sat, Aug 27, 2022 at 10:49:44PM +0800, Hawkins Jiawei wrote:
> >
> > And as for the root cause for use-after-free read, I think it is the
> > ctx->attr->length to be blamed.
> Apologize for my typing error, it is the ctx->attr should be blamed:
> 

Yep.  Both patches are required.

regards,
dan carpenter