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d1754c6944
[ Upstream commit4241a702e0] The rxrpc_connection attend queue is never used because conn::attend_link is never initialised and so is always NULL'd out and thus always appears to be busy. This requires the following fix: (1) Fix this the attend queue problem by initialising conn::attend_link. And, consequently, two further fixes for things masked by the above bug: (2) Fix rxrpc_input_conn_event() to handle being invoked with a NULL sk_buff pointer - something that can now happen with the above change. (3) Fix the RXRPC_SKB_MARK_SERVICE_CONN_SECURED message to carry a pointer to the connection and a ref on it. Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: Jakub Kicinski <kuba@kernel.org> cc: "David S. Miller" <davem@davemloft.net> cc: Eric Dumazet <edumazet@google.com> cc: Paolo Abeni <pabeni@redhat.com> cc: Simon Horman <horms@kernel.org> cc: linux-afs@lists.infradead.org cc: netdev@vger.kernel.org Fixes:f2cce89a07("rxrpc: Implement a mechanism to send an event notification to a connection") Link: https://patch.msgid.link/20250203110307.7265-3-dhowells@redhat.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>