!4412 v3 Save and restore msg_namelen in sock_sendmsg

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/KXVTLAWWF76TIOBK5IHOVRUAUD77VGN2/ 
v2: add cover letter
v3: fix one compile error

Jordan Rife (1):
  net: prevent rewrite of msg_name in sock_sendmsg()

Marc Dionne (1):
  net: Save and restore msg_namelen in sock_sendmsg


-- 
2.34.1
 
https://gitee.com/openeuler/kernel/issues/I90HST 
 
Link:https://gitee.com/openeuler/kernel/pulls/4412

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>