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net: kernel socket should be released in init_net namespace 

Creating a kernel socket with sock_create_kern() happens in "init_net"
namespace, however, releasing it with sk_release_kernel() occurs in
the current namespace which may be different with "init_net" namespace.
Therefore, we should guarantee that the namespace in which a kernel
socket is created is same as the socket is created.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ying Xue 2015-03-16 18:19:12 +08:00 committed by David S. Miller
parent db4374f48a
commit c243d7e209
1 changed files with 1 additions and 1 deletions
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2
net/core/sock.c
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@ -1454,8 +1454,8 @@ void sk_release_kernel(struct sock *sk)
return;
sock_hold(sk);
sock_release(sk->sk_socket);
sock_net_set(sk, get_net(&init_net));
sock_release(sk->sk_socket);
sock_put(sk);
}
EXPORT_SYMBOL(sk_release_kernel);