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>
Subject: Re: [PATCH v7 3/9] ksmbd: add and use ksmbd_smb2_cur_pdu_buflen() in ksmbd_smb2_check_message()
Date: Tue, 5 Oct 2021 09:46:32 +0200 [thread overview]
Message-ID: <2565d01b-0145-fe8b-1ce4-9c8f2e658b62@samba.org> (raw)
In-Reply-To: <CAKYAXd8TxcswXC3oySaLKOuCGzV2Dvfdv_1DaG9S_ErY_MvDMQ@mail.gmail.com>
[-- Attachment #1.1: Type: text/plain, Size: 702 bytes --]
Am 05.10.21 um 09:29 schrieb Namjae Jeon:
> 2021-10-05 14:03 GMT+09:00, Ralph Boehme <slow@samba.org>:
>> - if (ALIGN(clc_len, 8) == len)
>> + if (ALIGN(clc_len, 8) == ALIGN(len, 8))
> Can I know why you align rfc1002 len with 8 here ?
this should match the previous behaviour where for compound requests we
called round_up(len, 8).
This could be done differently though:
len = ksmbd_smb2_cur_pdu_buflen(work);
if (work->next_smb2_rcv_hdr_off)
len = ALIGN(len, 8);
and then just do
if (ALIGN(clc_len, 8) == len)
-slow
--
Ralph Boehme, Samba Team https://samba.org/
SerNet Samba Team Lead https://sernet.de/en/team-samba
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 840 bytes --]
next prev parent reply other threads:[~2021-10-05 7:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-05 5:03 [PATCH v7 0/9] Buffer validation and compound handling patches Ralph Boehme
2021-10-05 5:03 ` [PATCH v7 1/9] ksmbd: use ksmbd_req_buf_next() in ksmbd_verify_smb_message() Ralph Boehme
2021-10-05 7:26 ` Namjae Jeon
2021-10-05 5:03 ` [PATCH v7 2/9] ksmbd: use ksmbd_req_buf_next() in ksmbd_smb2_check_message() Ralph Boehme
2021-10-05 7:27 ` Namjae Jeon
2021-10-05 5:03 ` [PATCH v7 3/9] ksmbd: add and use ksmbd_smb2_cur_pdu_buflen() " Ralph Boehme
2021-10-05 7:29 ` Namjae Jeon
2021-10-05 7:46 ` Ralph Boehme [this message]
2021-10-06 23:42 ` Namjae Jeon
2021-10-05 5:03 ` [PATCH v7 4/9] ksmbd: check buffer is big enough to access the SMB2 PUD body size field Ralph Boehme
2021-10-05 5:03 ` [PATCH v7 5/9] ksmdb: validate credit charge after validating SMB2 PDU body size Ralph Boehme
2021-10-05 7:58 ` Namjae Jeon
2021-10-05 5:03 ` [PATCH v7 6/9] ksmdb: use cmd helper variable in smb2_get_ksmbd_tcon() Ralph Boehme
2021-10-05 7:59 ` Namjae Jeon
2021-10-05 5:03 ` [PATCH v7 7/9] ksmdb: make smb2_get_ksmbd_tcon() callable with chained PDUs Ralph Boehme
2021-10-05 5:03 ` [PATCH v7 8/9] ksmbd: make smb2_check_user_session() callable for compound PDUs Ralph Boehme
2021-10-05 5:03 ` [PATCH v7 9/9] ksmdb: move session and tcon validation to __process_request() Ralph Boehme
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=2565d01b-0145-fe8b-1ce4-9c8f2e658b62@samba.org \
--to=slow@samba.org \
--cc=hyc.lee@gmail.com \
--cc=linkinjeon@kernel.org \
--cc=linux-cifs@vger.kernel.org \
--cc=ronniesahlberg@gmail.com \
--cc=smfrench@gmail.com \
--cc=tom@talpey.com \
/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