!3764 [sync] PR-3686: Bluetooth: af_bluetooth: Fix Use-After-Free in bt_sock_recvmsg

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/3686 
 
PR sync from: Ziyang Xuan <william.xuanziyang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ESBDD3XU33FW2SY3JYV4J46YCAFXU7ZG/ 
 
https://gitee.com/src-openeuler/kernel/issues/I8RXOD 
 
Link:https://gitee.com/openeuler/kernel/pulls/3764

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>