Unverified Commit 0ff07578 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4137 sctp: fix potential deadlock on &net->sctp.addr_wq_lock 

Merge Pull Request from: @ci-robot 
 
PR sync from: Dong Chenchen <dongchenchen2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ILODS5ENE3WW5QWXXG6ZQLTUVYKOXKFN/ 
 
https://gitee.com/src-openeuler/kernel/issues/I8WZLA 
 
Link:https://gitee.com/openeuler/kernel/pulls/4137

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents fb3a7131 3f469030

net/sctp/socket.c

+2 −2
Original line number Diff line number Diff line
@@ -380,9 +380,9 @@ static void sctp_auto_asconf_init(struct sctp_sock *sp) 
	struct net *net = sock_net(&sp->inet.sk);



	if (net->sctp.default_auto_asconf) {

		spin_lock(&net->sctp.addr_wq_lock);

		spin_lock_bh(&net->sctp.addr_wq_lock);

		list_add_tail(&sp->auto_asconf_list, &net->sctp.auto_asconf_splist);

		spin_unlock(&net->sctp.addr_wq_lock);

		spin_unlock_bh(&net->sctp.addr_wq_lock);

		sp->do_auto_asconf = 1;

	}

}