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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Hawkins Jiawei <yin31149@gmail.com>
Cc: akpm@linux-foundation.org, anton@tuxera.com,
	chenxiaosong2@huawei.com, linux-kernel@vger.kernel.org,
	linux-ntfs-dev@lists.sourceforge.net,
	syzbot+5f8dcabe4a3b2c51c607@syzkaller.appspotmail.com,
	syzkaller-bugs@googlegroups.com
Subject: Re: [PATCH] ntfs: change check order in ntfs_attr_find
Date: Mon, 29 Aug 2022 12:51:06 +0300	[thread overview]
Message-ID: <20220829095106.GG2071@kadam> (raw)
In-Reply-To: <20220827144943.5290-1-yin31149@gmail.com>

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


      reply	other threads:[~2022-08-29  9:52 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-25 18:25 [syzbot] KASAN: use-after-free Read in ntfs_attr_find syzbot
2022-08-25 18:32 ` Siddh Raman Pant
2022-08-25 18:34   ` Siddh Raman Pant
2022-08-26 12:27 ` [PATCH] ntfs: change check order " Hawkins Jiawei
2022-08-26 12:32   ` Hawkins Jiawei
2022-08-26 14:16     ` [syzbot] KASAN: use-after-free Read " syzbot
2022-08-26 15:15     ` [PATCH] ntfs: change check order " Dan Carpenter
2022-08-26 15:42       ` Hawkins Jiawei
2022-08-26 15:54         ` Hawkins Jiawei
2022-08-27  6:42         ` Dan Carpenter
2022-08-27  9:02           ` Hawkins Jiawei
2022-08-27 10:58             ` Dan Carpenter
2022-08-28 16:15               ` Hawkins Jiawei
2022-08-27  2:42     ` Andrew Morton
2022-08-27  8:38       ` Hawkins Jiawei
2022-08-27  1:28   ` chenxiaosong (A)
2022-08-27  7:51     ` Hawkins Jiawei
2022-08-27 14:49       ` Hawkins Jiawei
2022-08-29  9:51         ` Dan Carpenter [this message]

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