!6754 binder: check offset alignment in binder_get_object()

Merge Pull Request from: @ci-robot 
 
PR sync from: Lin Yujun <linyujun809@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/IVV3DXXHRY2KB3N2CISL33F643HGGDO6/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9JJ2F 
 
Link:https://gitee.com/openeuler/kernel/pulls/6754

 

Reviewed-by: Zhang Jianhua <chris.zjh@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>