Commit d347d745 authored by Namjae Jeon's avatar Namjae Jeon
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ksmbd: move credit charge verification over smb2 request size verification 



Move credit charge verification over smb2 request size verification
to avoid being skipped.

Signed-off-by: default avatarNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 67307023

fs/ksmbd/smb2misc.c

+6 −6
Original line number Diff line number Diff line
@@ -385,6 +385,12 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work) 
		}

	}



	if ((work->conn->vals->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU) &&

	    smb2_validate_credit_charge(hdr)) {

		work->conn->ops->set_rsp_status(work, STATUS_INVALID_PARAMETER);

		return 1;

	}



	clc_len = smb2_calc_size(hdr);

	if (len != clc_len) {

		/* server can return one byte more due to implied bcc[0] */
@@ -423,12 +429,6 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work) 
		return 1;

	}



	if ((work->conn->vals->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU) &&

	    smb2_validate_credit_charge(hdr)) {

		work->conn->ops->set_rsp_status(work, STATUS_INVALID_PARAMETER);

		return 1;

	}



	return 0;

}