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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/sound/synth/emux/emux_nrpn.c
.. .. @@ -349,6 +349,9 @@
349 349  snd_emux_xg_control(struct snd_emux_port *port, struct snd_midi_channel *chan,
350 350  		    int param)
351 351  {
352 +	if (param >= ARRAY_SIZE(chan->control))
353 +		return -EINVAL;
354 +
352 355  	return send_converted_effect(xg_effects, ARRAY_SIZE(xg_effects),
353 356  				     port, chan, param,
354 357  				     chan->control[param],

..	..	@@ -349,6 +349,9 @@
349	349	snd_emux_xg_control(struct snd_emux_port port, struct snd_midi_channel chan,
350	350	int param)
351	351	{
	352	+ if (param >= ARRAY_SIZE(chan->control))
	353	+ return -EINVAL;
	354	+
352	355	return send_converted_effect(xg_effects, ARRAY_SIZE(xg_effects),
353	356	port, chan, param,
354	357	chan->control[param],