D45236.diff
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D45236.diff
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	diff --git a/sys/dev/sound/pcm/sndstat.c b/sys/dev/sound/pcm/sndstat.c
	--- a/sys/dev/sound/pcm/sndstat.c
	+++ b/sys/dev/sound/pcm/sndstat.c
	@@ -864,6 +864,11 @@
	goto done;
	}

	+ if (arg->nbytes > SNDST_UNVLBUF_MAX) {
	+ err = ENOMEM;
	+ goto done;
	+ }
	+
	err = sndstat_unpack_user_nvlbuf(arg->buf, arg->nbytes, &nvl);
	if (err != 0)
	goto done;
	diff --git a/sys/sys/sndstat.h b/sys/sys/sndstat.h
	--- a/sys/sys/sndstat.h
	+++ b/sys/sys/sndstat.h
	@@ -74,6 +74,11 @@
	#define SNDST_DSPS_SOUND4_PVCHAN "pvchan"
	#define SNDST_DSPS_SOUND4_RVCHAN "rvchan"

	+/*
	+ * Maximum user-specified nvlist buffer size
	+ */
	+#define SNDST_UNVLBUF_MAX 65535
	+
	#define SNDSTIOC_REFRESH_DEVS \
	_IO('D', 100)
	#define SNDSTIOC_GET_DEVS \