Unverified Commit 39d17121 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10460 udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port(). 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhengchao Shao <shaozhengchao@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/CA4X4U6ALYLDIP3DQJOOEICDENQMJ6TX/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAGEKL 
 
Link:https://gitee.com/openeuler/kernel/pulls/10460

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 009c75b2 35a53b24

net/ipv4/udp.c

+3 −1
Original line number Diff line number Diff line
@@ -317,6 +317,8 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum, 
			goto fail_unlock;

		}



		sock_set_flag(sk, SOCK_RCU_FREE);



		sk_add_node_rcu(sk, &hslot->head);

		hslot->count++;

		sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
@@ -333,7 +335,7 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum, 
		hslot2->count++;

		spin_unlock(&hslot2->lock);

	}

	sock_set_flag(sk, SOCK_RCU_FREE);



	error = 0;

fail_unlock:

	spin_unlock_bh(&hslot->lock);