ksmbd: add reserved room in ipc request/response
authorNamjae Jeon <linkinjeon@kernel.org>
Thu, 6 Jan 2022 01:30:31 +0000 (10:30 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 27 Jan 2022 10:02:53 +0000 (11:02 +0100)
commit8202aa60f077be8977bda2ecd5bd4350a0a5ab1e
treec2ac9d477ba93887d1424f79e79ffab3e0b3acd2
parentd7004f0cc4a739e315f620773392b8d867993fe8
ksmbd: add reserved room in ipc request/response

commit 41dbda16a0902798e732abc6599de256b9dc3b27 upstream.

Whenever new parameter is added to smb configuration, It is possible
to break the execution of the IPC daemon by mismatch size of
request/response. This patch tries to reserve space in ipc request/response
in advance to prevent that.

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>
fs/ksmbd/ksmbd_netlink.h