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From: Ralph Boehme <slow@samba.org>
To: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org, Tom Talpey <tom@talpey.com>,
	Ronnie Sahlberg <ronniesahlberg@gmail.com>,
	Steve French <smfrench@gmail.com>,
	Hyunchul Lee <hyc.lee@gmail.com>,
	Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: Re: [PATCH v3 0/5] ksmbd: a bunch of patches
Date: Tue, 28 Sep 2021 05:26:55 +0200	[thread overview]
Message-ID: <b9449e7f-5c27-c766-f8e0-1564b8848f7b@samba.org> (raw)
In-Reply-To: <CAKYAXd8G5xBBLTS0vS_p1TFoULuxSf-CFjE4n98D+sQrtjpjcw@mail.gmail.com>


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Am 28.09.21 um 01:57 schrieb Namjae Jeon:
> 2021-09-28 0:42 GMT+09:00, Ralph Boehme <slow@samba.org>:
>> Hi Namjae
> Hi Ralph,
> 
>>
>> Am 26.09.21 um 15:55 schrieb Namjae Jeon:
>>> Cc: Tom Talpey <tom@talpey.com>
>>> Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
>>> Cc: Ralph Böhme <slow@samba.org>
>>> Cc: Steve French <smfrench@gmail.com>
>>> Cc: Hyunchul Lee <hyc.lee@gmail.com>
>>> Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
>>>
>>> v2:
>>>     - update comments of smb2_get_data_area_len().
>>>     - fix wrong buffer size check in fsctl_query_iface_info_ioctl().
>>>     - fix 32bit overflow in smb2_set_info.
>>>
>>> v3:
>>>     - add buffer check for ByteCount of smb negotiate request.
>>>     - Moved buffer check of to the top of loop to avoid unneeded behavior
>>> when
>>>       out_buf_len is smaller than network_interface_info_ioctl_rsp.
>>>     - get correct out_buf_len which doesn't exceed max stream protocol
>>> length.
>>>     - subtract single smb2_lock_element for correct buffer size check in
>>>       ksmbd_smb2_check_message().
>>
>> I think there are a few issues with this patchset. I'm working on fixes
>> and improvements and will push my branch to my github clone once I'm
>> ready. I guess it's going to take a few days.
> It sounds like you're making a patch based on this patch-set. If there
> is missing something for buffer check, You can add a patch on top of
> this, but if there are wrong codes in patch-set, It is right to leave
> a review comment to update this patch-set.

both: there are issues with the patch and I have changes on-top. :) It 
just takes a bit of time due to other stuff going on currently like SDC.

-slow

-- 
Ralph Boehme, Samba Team                 https://samba.org/
SerNet Samba Team Lead      https://sernet.de/en/team-samba

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  reply	other threads:[~2021-09-28  3:27 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-26 13:55 Namjae Jeon
2021-09-26 13:55 ` [PATCH v3 1/5] ksmbd: add the check to vaildate if stream protocol length exceeds maximum value Namjae Jeon
2021-09-26 13:55 ` [PATCH v3 2/5] ksmbd: add validation in smb2_ioctl Namjae Jeon
2021-09-26 13:55 ` [PATCH v3 3/5] ksmbd: add request buffer validation in smb2_set_info Namjae Jeon
2021-09-26 13:55 ` [PATCH v3 4/5] ksmbd: check strictly data area in ksmbd_smb2_check_message() Namjae Jeon
2021-09-26 13:55 ` [PATCH v3 5/5] ksmbd: add validation in smb2 negotiate Namjae Jeon
2021-09-26 14:27 ` [PATCH v3 0/5] ksmbd: a bunch of patches Ralph Boehme
2021-09-26 15:32   ` Namjae Jeon
2021-09-27 15:42 ` Ralph Boehme
2021-09-27 23:57   ` Namjae Jeon
2021-09-28  3:26     ` Ralph Boehme [this message]
2021-09-28 13:43       ` Ralph Boehme
2021-09-28 14:23         ` Namjae Jeon
2021-09-28 16:33           ` Ralph Boehme
2021-09-28 17:33             ` Jeremy Allison
2021-09-29 15:28               ` Tom Talpey
2021-09-29 15:42                 ` Jeremy Allison
2021-09-29 16:38                   ` Ralph Boehme
2021-09-29 16:45                     ` Tom Talpey
2021-09-29 17:08                       ` Ralph Boehme
2021-09-29 17:11                       ` Steve French
2021-09-29 17:18                         ` Ralph Boehme
2021-09-30  0:32                           ` Namjae Jeon
2021-09-30  0:51                             ` Hyunchul Lee
2021-09-30  7:57                             ` Ralph Boehme
2021-09-28 23:27           ` Namjae Jeon

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