On Wed, Oct 11, 2017 at 04:30:37PM -0700, Pavel Shilovsky wrote:
> Commit 511c54a2f691 ("CIFS: Reconnect expired SMB sessions") upstream.
>
> According to the MS-SMB2 spec (3.2.5.1.6) once the client receives
> STATUS_NETWORK_SESSION_EXPIRED error code from a server it should
> reconnect the current SMB session. Currently the client doesn't do
> that. This can result in subsequent client requests failing by
> the server. The patch adds an additional logic to the demultiplex
> thread to identify expired sessions and reconnect them.
>
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.4.x-4.11.x
> Signed-off-by: Pavel Shilovsky <pshilov@xxxxxxxxxxxxx>
> ---
> fs/cifs/cifsglob.h | 2 ++
> fs/cifs/cifssmb.c | 7 +++++++
> fs/cifs/connect.c | 7 +++++++
> fs/cifs/smb2ops.c | 16 ++++++++++++++++
> 4 files changed, 32 insertions(+)
Thanks for the backports, now applied.
greg k-h