diff options
| author | Namjae Jeon <linkinjeon@kernel.org> | 2023-03-23 21:15:52 +0900 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-03-24 00:23:13 -0500 |
| commit | 39b291b86b5988bf8753c3874d5c773399d09b96 (patch) | |
| tree | 2c9f27b43829a45a665f0548defaeedf7dc44bb9 /fs/ksmbd/connection.c | |
| parent | b53e8cfec30b93c120623232ba27c041b1ef8f1a (diff) | |
ksmbd: return unsupported error on smb1 mount
ksmbd disconnect connection when mounting with vers=smb1.
ksmbd should send smb1 negotiate response to client for correct
unsupported error return. This patch add needed SMB1 macros and fill
NegProt part of the response for smb1 negotiate response.
Cc: stable@vger.kernel.org
Reported-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/ksmbd/connection.c')
| -rw-r--r-- | fs/ksmbd/connection.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c index 5d914715605f..115a67d2cf78 100644 --- a/fs/ksmbd/connection.c +++ b/fs/ksmbd/connection.c @@ -319,13 +319,10 @@ int ksmbd_conn_handler_loop(void *p) } /* - * Check if pdu size is valid (min : smb header size, - * max : 0x00FFFFFF). + * Check maximum pdu size(0x00FFFFFF). */ - if (pdu_size < __SMB2_HEADER_STRUCTURE_SIZE || - pdu_size > MAX_STREAM_PROT_LEN) { + if (pdu_size > MAX_STREAM_PROT_LEN) break; - } /* 4 for rfc1002 length field */ size = pdu_size + 4; |