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From: Ralph Boehme <slow@samba.org>
To: linux-cifs@vger.kernel.org
Cc: Ralph Boehme <slow@samba.org>,
	Namjae Jeon <linkinjeon@kernel.org>, Tom Talpey <tom@talpey.com>,
	Ronnie Sahlberg <ronniesahlberg@gmail.com>,
	Steve French <smfrench@gmail.com>,
	Hyunchul Lee <hyc.lee@gmail.com>
Subject: [PATCH v5 11/20] ksmbd: use ksmbd_req_buf_next() in ksmbd_smb2_check_message()
Date: Fri,  1 Oct 2021 14:04:12 +0200	[thread overview]
Message-ID: <20211001120421.327245-12-slow@samba.org> (raw)
In-Reply-To: <20211001120421.327245-1-slow@samba.org>

No change in behaviour.

Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Tom Talpey <tom@talpey.com>
Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Cc: Steve French <smfrench@gmail.com>
Cc: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Ralph Boehme <slow@samba.org>
---
 fs/ksmbd/smb2misc.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/fs/ksmbd/smb2misc.c b/fs/ksmbd/smb2misc.c
index 9edd9c161b27..2cc031c39514 100644
--- a/fs/ksmbd/smb2misc.c
+++ b/fs/ksmbd/smb2misc.c
@@ -329,17 +329,12 @@ static int smb2_validate_credit_charge(struct smb2_hdr *hdr)
 
 int ksmbd_smb2_check_message(struct ksmbd_work *work)
 {
-	struct smb2_pdu *pdu = work->request_buf;
+	struct smb2_pdu *pdu = ksmbd_req_buf_next(work);
 	struct smb2_hdr *hdr = &pdu->hdr;
 	int command;
 	__u32 clc_len;  /* calculated length */
 	__u32 len = get_rfc1002_len(pdu);
 
-	if (work->next_smb2_rcv_hdr_off) {
-		pdu = ksmbd_req_buf_next(work);
-		hdr = &pdu->hdr;
-	}
-
 	if (le32_to_cpu(hdr->NextCommand) > 0) {
 		len = le32_to_cpu(hdr->NextCommand);
 	} else if (work->next_smb2_rcv_hdr_off) {
-- 
2.31.1


  parent reply	other threads:[~2021-10-01 12:25 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-01 12:04 [PATCH v5 00/20] Buffer validation patches Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 01/20] ksmbd: add the check to vaildate if stream protocol length exceeds maximum value Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 02/20] ksmbd: add validation in smb2_ioctl Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 03/20] ksmbd: use correct basic info level in set_file_basic_info() Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 04/20] ksmbd: add request buffer validation in smb2_set_info Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 05/20] ksmbd: check strictly data area in ksmbd_smb2_check_message() Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 06/20] ksmbd: add validation in smb2 negotiate Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 07/20] ksmbd: add buffer validation for SMB2_CREATE_CONTEXT Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 08/20] ksmbd: remove the leftover of smb2.0 dialect support Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 09/20] ksmbd: remove NTLMv1 authentication Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 10/20] ksmbd: fix transform header validation Ralph Boehme
2021-10-01 12:04 ` Ralph Boehme [this message]
2021-10-01 12:04 ` [PATCH v5 12/20] ksmbd: use ksmbd_req_buf_next() in ksmbd_verify_smb_message() Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 13/20] ksmbd: remove ksmbd_verify_smb_message() Ralph Boehme
2021-10-02  5:46   ` Namjae Jeon
2021-10-02 12:05     ` Ralph Boehme
2021-10-03 23:37     ` Jeremy Allison
2021-10-04  0:47       ` Namjae Jeon
2021-10-01 12:04 ` [PATCH v5 14/20] ksmbd: add ksmbd_smb2_cur_pdu_buflen() Ralph Boehme
2021-10-02  5:49   ` Namjae Jeon
2021-10-02 11:55     ` Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 15/20] ksmbd: use ksmbd_smb2_cur_pdu_buflen() in ksmbd_smb2_check_message() Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 16/20] ksmbd: check PDU len is at least header plus body size " Ralph Boehme
2021-10-02  5:55   ` Namjae Jeon
2021-10-02 11:54     ` Ralph Boehme
2021-10-02 12:45   ` Hyunchul Lee
2021-10-02 12:49     ` Ralph Boehme
2021-10-03  1:25       ` Namjae Jeon
2021-10-01 12:04 ` [PATCH v5 17/20] ksmdb: use cmd helper variable in smb2_get_ksmbd_tcon() Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 18/20] ksmdb: make smb2_get_ksmbd_tcon() callable with chained PDUs Ralph Boehme
2021-10-02  6:00   ` Namjae Jeon
2021-10-02 12:08     ` Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 19/20] ksmbd: make smb2_check_user_session() callabe for compound PDUs Ralph Boehme
2021-10-02  6:01   ` Namjae Jeon
2021-10-02 12:08     ` Ralph Boehme
2021-10-01 12:04 ` [PATCH v5 20/20] ksmdb: move session and tcon validation to ksmbd_smb2_check_message() Ralph Boehme
2021-10-02  6:05 ` [PATCH v5 00/20] Buffer validation patches Namjae Jeon

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