ksmbd: validate command request size

mainline inclusion
from mainline-v6.5-rc4
commit 5aa4fda5
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I7LU3O
CVE: CVE-2023-38432

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c



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In commit 2b9b8f3b ("ksmbd: validate command payload size"), except
for SMB2_OPLOCK_BREAK_HE command, the request size of other commands
is not checked, it's not expected. Fix it by add check for request
size of other commands.

Cc: stable@vger.kernel.org
Fixes: 2b9b8f3b ("ksmbd: validate command payload size")
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Long Li <leo.lilong@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

Conflicts:
	fs/ksmbd/smb2misc.c

Signed-off-by: Long Li <leo.lilong@huawei.com>