Error when handling keepalive response

[samrat]

Hello,

I'm getting these crashes:

2025-01-02T08:22:54.183660258Z 08:22:54.177 [error] GenServer #PID<0.5078.0> terminating
2025-01-02T08:22:54.183669568Z ** (KeyError) key 53116131340293028348364719590 not found in: %{
2025-01-02T08:22:54.183676518Z   492100076263373773220109714 => %ExICE.Priv.CandidatePair{
2025-01-02T08:22:54.183683418Z     id: 492100076263373773220109714,
2025-01-02T08:22:54.183690398Z     local_cand_id: 27821797024459401511735786593,
2025-01-02T08:22:54.183697688Z     remote_cand_id: 4726155096264353298491278754,
2025-01-02T08:22:54.183704448Z     priority: 7998392938176446463,
2025-01-02T08:22:54.183711398Z     nominate?: false,
2025-01-02T08:22:54.183718288Z     nominated?: true,
2025-01-02T08:22:54.183725278Z     state: :succeeded,
2025-01-02T08:22:54.183731708Z     valid?: true,
2025-01-02T08:22:54.183738568Z     succeeded_pair_id: 492100076263373773220109714,
2025-01-02T08:22:54.183745398Z     discovered_pair_id: 492100076263373773220109714,
2025-01-02T08:22:54.183752228Z     keepalive_timer: #Reference<0.989414261.2584739841.251850>,
2025-01-02T08:22:54.183759428Z     last_seen: -576456765730
2025-01-02T08:22:54.183766307Z   }
2025-01-02T08:22:54.183772567Z }
2025-01-02T08:22:54.183780127Z     :erlang.map_get(53116131340293028348364719590, %{492100076263373773220109714 => %ExICE.Priv.CandidatePair{id: 492100076263373773220109714, local_cand_id: 27821797024459401511735786593, remote_cand_id: 4726155096264353298491278754, priority: 7998392938176446463, nominate?: false, nominated?: true, state: :succeeded, valid?: true, succeeded_pair_id: 492100076263373773220109714, discovered_pair_id: 492100076263373773220109714, keepalive_timer: #Reference<0.989414261.2584739841.251850>, last_seen: -576456765730}})
2025-01-02T08:22:54.183806047Z     (ex_ice 0.9.2) lib/ex_ice/priv/ice_agent.ex:1656: ExICE.Priv.ICEAgent.handle_keepalive_response/5
2025-01-02T08:22:54.183813247Z     (ex_ice 0.9.2) lib/ex_ice/priv/ice_agent.ex:1257: ExICE.Priv.ICEAgent.do_handle_stun_message/5
2025-01-02T08:22:54.183819927Z     (ex_ice 0.9.2) lib/ex_ice/ice_agent.ex:393: ExICE.ICEAgent.handle_info/2
2025-01-02T08:22:54.183826517Z     (stdlib 6.1) gen_server.erl:2345: :gen_server.try_handle_info/3
2025-01-02T08:22:54.183832807Z     (stdlib 6.1) gen_server.erl:2433: :gen_server.handle_msg/6
2025-01-02T08:22:54.183839177Z     (stdlib 6.1) proc_lib.erl:329: :proc_lib.init_p_do_apply/3
2025-01-02T08:22:54.183846997Z Last message: {:DOWN, #Reference<0.989414261.2584739841.248307>, :process, #PID<0.5119.0>, {{:badkey, 53116131340293028348364719590}, [{:erlang, :map_get, [53116131340293028348364719590, %{492100076263373773220109714 => %ExICE.Priv.CandidatePair{id: 492100076263373773220109714, local_cand_id: 27821797024459401511735786593, remote_cand_id: 4726155096264353298491278754, priority: 7998392938176446463, nominate?: false, nominated?: true, state: :succeeded, valid?: true, succeeded_pair_id: 492100076263373773220109714, discovered_pair_id: 492100076263373773220109714, keepalive_timer: #Reference<0.989414261.2584739841.251850>, last_seen: -576456765730}}], [error_info: %{module: :erl_erts_errors}]}, {ExICE.Priv.ICEAgent, :handle_keepalive_response, 5, [file: ~c"lib/ex_ice/priv/ice_agent.ex", line: 1656]}, {ExICE.Priv.ICEAgent, :do_handle_stun_message, 5, [file: ~c"lib/ex_ice/priv/ice_agent.ex", line: 1257]}, {ExICE.ICEAgent, :handle_info, 2, [file: ~c"lib/ex_ice/ice_agent.ex", line: 393]}, {:gen_server, :try_handle_info, 3, [file: ~c"gen_server.erl", line: 2345]}, {:gen_server, :handle_msg, 6, [file: ~c"gen_server.erl", line: 2433]}, {:proc_lib, :init_p_do_apply, 3, [file: ~c"proc_lib.erl", line: 329]}]}}

I tried looking around

ex_ice/lib/ex_ice/priv/ice_agent.ex

Line 1656 in c4bef11

pair = Map.fetch!(ice_agent.checklist, pair_id)

but couldn't figure out what might be causing it.