Unverified Commit 25fe4e0d authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11914 sched: fix a deadlock in task_net_group() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Hui Tang <tanghui20@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/YJK7H2KHIZSQH7SK5XJQ56IZX7UNKYNU/ 
 
https://gitee.com/openeuler/kernel/issues/IATU6E 
 
Link:https://gitee.com/openeuler/kernel/pulls/11914

 

Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 2ee198e9 fad14eb9

kernel/sched/relationship.c

+3 −0
Original line number Diff line number Diff line
@@ -141,6 +141,9 @@ int sched_net_relationship_submit(struct net_relationship_req *req) 
	    req->net_rship_type == NET_RS_TYPE_TX)

		return remote_rxtx_process(req);



	if (req->rx_pid == req->tx_pid)

		return -EINVAL;



	rcu_read_lock();



	rx_tsk = find_task_by_pid_ns(req->rx_pid, &init_pid_ns);