4.18-stable review patch. If anyone has any objections, please let me know.
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From: Cong Wang xiyou.wangcong@gmail.com
[ Upstream commit bd583fe30427500a2d0abe25724025b1cb5e2636 ]
rhashtable_walk_exit() must be paired with rhashtable_walk_enter().
Fixes: 40f9f4397060 ("tipc: Fix tipc_sk_reinit race conditions") Cc: Herbert Xu herbert@gondor.apana.org.au Cc: Ying Xue ying.xue@windriver.com Signed-off-by: Cong Wang xiyou.wangcong@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/tipc/socket.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2675,6 +2675,8 @@ void tipc_sk_reinit(struct net *net)
rhashtable_walk_stop(&iter); } while (tsk == ERR_PTR(-EAGAIN)); + + rhashtable_walk_exit(&iter); }
static struct tipc_sock *tipc_sk_lookup(struct net *net, u32 portid)