[ Upstream commit729235554d] If tcp_v4_inbound_md5_hash() returns an error, we must release the refcount on the request socket, not on the listener. The bug was added for IPv4 only. Fixes:079096f103("tcp/dccp: install syn_recv requests into ehash table") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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