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authorYing Xue <ying.xue@windriver.com>2015-04-23 09:37:38 -0400
committerDavid S. Miller <davem@davemloft.net>2015-04-23 11:50:34 -0400
commitdef81f69bfbd70a3278a7592a4ab8717300cbac1 (patch)
treea45610500809598ca7c9bcb247e927c3f2579553
parent4fce14820c1b0a3fd399719f970e0c3ae40dd270 (diff)
downloadop-kernel-dev-def81f69bfbd70a3278a7592a4ab8717300cbac1.zip
op-kernel-dev-def81f69bfbd70a3278a7592a4ab8717300cbac1.tar.gz
tipc: fix topology server broken issue
When a new topology server is launched in a new namespace, its listening socket is inserted into the "init ns" namespace's socket hash table rather than the one owned by the new namespace. Although the socket's namespace is forcedly changed to the new namespace later, the socket is still stored in the socket hash table of "init ns" namespace. When a client created in the new namespace connects its own topology server, the connection is failed as its server's socket could not be found from its own namespace's socket table. If __sock_create() instead of original sock_create_kern() is used to create the server's socket through specifying an expected namesapce, the socket will be inserted into the specified namespace's socket table, thereby avoiding to the topology server broken issue. Fixes: 76100a8a64bc ("tipc: fix netns refcnt leak") Reported-by: Erik Hugne <erik.hugne@ericsson.com> Signed-off-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/tipc/server.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/net/tipc/server.c b/net/tipc/server.c
index ab6183c..77ff03e 100644
--- a/net/tipc/server.c
+++ b/net/tipc/server.c
@@ -102,7 +102,7 @@ static void tipc_conn_kref_release(struct kref *kref)
}
saddr->scope = -TIPC_NODE_SCOPE;
kernel_bind(sock, (struct sockaddr *)saddr, sizeof(*saddr));
- sk_release_kernel(sk);
+ sock_release(sock);
con->sock = NULL;
}
@@ -321,12 +321,9 @@ static struct socket *tipc_create_listen_sock(struct tipc_conn *con)
struct socket *sock = NULL;
int ret;
- ret = sock_create_kern(AF_TIPC, SOCK_SEQPACKET, 0, &sock);
+ ret = __sock_create(s->net, AF_TIPC, SOCK_SEQPACKET, 0, &sock, 1);
if (ret < 0)
return NULL;
-
- sk_change_net(sock->sk, s->net);
-
ret = kernel_setsockopt(sock, SOL_TIPC, TIPC_IMPORTANCE,
(char *)&s->imp, sizeof(s->imp));
if (ret < 0)
@@ -376,7 +373,7 @@ static struct socket *tipc_create_listen_sock(struct tipc_conn *con)
create_err:
kernel_sock_shutdown(sock, SHUT_RDWR);
- sk_release_kernel(sock->sk);
+ sock_release(sock);
return NULL;
}
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