| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.16 32/64] smb3: on reconnect set PreviousSessionId field | Date | Sun, 24 Jun 2018 23:22:13 +0800 |
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4.16-stable review patch. If anyone has any objections, please let me know.
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From: Steve French <stfrench@microsoft.com>
commit b2adf22fdfba85a6701c481faccdbbb3a418ccfc upstream.
The server detects reconnect by the (non-zero) value in PreviousSessionId of SMB2/SMB3 SessionSetup request, but this behavior regressed due to commit 166cea4dc3a4f66f020cfb9286225ecd228ab61d ("SMB2: Separate RawNTLMSSP authentication from SMB2_sess_setup")
CC: Stable <stable@vger.kernel.org> CC: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/cifs/smb2pdu.c | 1 + 1 file changed, 1 insertion(+)
--- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1172,6 +1172,7 @@ SMB2_sess_setup(const unsigned int xid, sess_data->ses = ses; sess_data->buf0_type = CIFS_NO_BUFFER; sess_data->nls_cp = (struct nls_table *) nls_cp; + sess_data->previous_session = ses->Suid; #ifdef CONFIG_CIFS_SMB311 /*
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