diff options
Diffstat (limited to 'fs/ksmbd/smb2pdu.c')
| -rw-r--r-- | fs/ksmbd/smb2pdu.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index 7983e8c9c89d..b763c6ba636f 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -6245,7 +6245,7 @@ int smb2_read(struct ksmbd_work *work) struct ksmbd_conn *conn = work->conn; struct smb2_read_req *req; struct smb2_read_rsp *rsp, *rsp_org; - struct ksmbd_file *fp; + struct ksmbd_file *fp = NULL; loff_t offset; size_t length, mincount; ssize_t nbytes = 0, remain_bytes = 0; @@ -6253,6 +6253,11 @@ int smb2_read(struct ksmbd_work *work) rsp_org = work->response_buf; WORK_BUFFERS(work, req, rsp); + if (work->next_smb2_rcv_hdr_off) { + work->send_no_response = 1; + err = -EOPNOTSUPP; + goto out; + } if (test_share_config_flag(work->tcon->share_conf, KSMBD_SHARE_FLAG_PIPE)) { @@ -8649,7 +8654,8 @@ int smb3_decrypt_req(struct ksmbd_work *work) struct smb2_transform_hdr *tr_hdr = (struct smb2_transform_hdr *)buf; int rc = 0; - if (buf_data_size < sizeof(struct smb2_hdr)) { + if (pdu_length < sizeof(struct smb2_transform_hdr) || + buf_data_size < sizeof(struct smb2_hdr)) { pr_err("Transform message is too small (%u)\n", pdu_length); return -ECONNABORTED; |