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From: Dave Kleikamp <dave.kleikamp@oracle.com>
To: Manas Ghandat <ghandatmanas@gmail.com>, liushixin2@huawei.com
Cc: jfs-discussion@lists.sourceforge.net,
	linux-kernel@vger.kernel.org,
	Linux-kernel-mentees@lists.linuxfoundation.org,
	syzbot+91ad2b52815a08caf4ea@syzkaller.appspotmail.com
Subject: Re: [PATCH] jfs : fix shift-out-of-bounds in dbUpdatePMap
Date: Wed, 30 Aug 2023 15:20:07 -0500	[thread overview]
Message-ID: <19d0fde9-8a56-41f3-a898-c10f18b79b1e@oracle.com> (raw)
In-Reply-To: <e655b722-f610-99dd-16c1-ed3235860a80@gmail.com>

Thanks for verifying!

On 8/30/23 11:58AM, Manas Ghandat wrote:
> I checked for the v6.5. Its fixed there.
> 
> On 29/08/23 23:19, Dave Kleikamp wrote:
>> On 8/27/23 12:05AM, Manas Ghandat wrote:
>>> Currently there is no bound check for number of logical blocks per
>>> page (bmp->db_l2nbperpage). Added the required bound check for the
>>> calculation of dmap.
>>
>> This should already be fixed by 11509910c599 ("jfs: jfs_dmap: Validate 
>> db_l2nbperpage while mounting")
>>
>> Can you please verify if this problem still exists in v6.5?
>>
>> Shaggy
>>

      reply	other threads:[~2023-08-30 22:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-27  5:05 Manas Ghandat
2023-08-29 17:49 ` Dave Kleikamp
2023-08-30 16:58   ` Manas Ghandat
2023-08-30 20:20     ` Dave Kleikamp [this message]

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