Unverified Commit e18365ce authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10457 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/X42QWCOXY2ZJTRNJIOLQYDPJ26QHPZPM/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAGEKL 
 
Link:https://gitee.com/openeuler/kernel/pulls/10457

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 0f06c022 4d6eadc5

net/ipv4/udp.c

+3 −1
Original line number Diff line number Diff line
@@ -326,6 +326,8 @@ 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);
@@ -342,7 +344,7 @@ 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);