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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: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon 2021-07-16 16:39:54 +09:00
parent 67307023d0
commit d347d745f0
1 changed files with 6 additions and 6 deletions
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12
fs/ksmbd/smb2misc.c
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@ -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;
}