!4876 backport patch to fix CVE-2021-47077

Merge Pull Request from: @ci-robot 
 
PR sync from: Yuntao Liu <liuyuntao12@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/AKIYUZOWUMB5J73457DNCQMDUASKB3SM/ 
backport patch to fix CVE-2021-47077

Zhen Lei (1):
  [Backport] ARM: 9064/1: hw_breakpoint: Do not directly check the
    event's overflow_handler hook


-- 
2.34.1
 
https://gitee.com/src-openeuler/kernel/issues/I94K5W 
 
Link:https://gitee.com/openeuler/kernel/pulls/4876

 

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