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ksmbd: return STATUS_NOT_SUPPORTED on unsupported smb2.0 dialect 

commit b53e8cfec3 upstream.

ksmbd returned "Input/output error" when mounting with vers=2.0 to
ksmbd. It should return STATUS_NOT_SUPPORTED on unsupported smb2.0
dialect.

Cc: stable@vger.kernel.org
Reported-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Namjae Jeon 2023-03-21 15:36:40 +09:00 committed by Greg Kroah-Hartman
parent 43e069f9c3
commit 138d9250bb
1 changed files with 2 additions and 2 deletions
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4
fs/ksmbd/smb_common.c
View File

@ -434,7 +434,7 @@ int ksmbd_extract_shortname(struct ksmbd_conn *conn, const char *longname,
static int __smb2_negotiate(struct ksmbd_conn *conn)
{
return (conn->dialect >= SMB21_PROT_ID &&
return (conn->dialect >= SMB20_PROT_ID &&
conn->dialect <= SMB311_PROT_ID);
}
@ -465,7 +465,7 @@ int ksmbd_smb_negotiate_common(struct ksmbd_work *work, unsigned int command)
}
}
if (command == SMB2_NEGOTIATE_HE && __smb2_negotiate(conn)) {
if (command == SMB2_NEGOTIATE_HE) {
ret = smb2_handle_negotiate(work);
init_smb2_neg_rsp(work);
return ret;