diff --git a/sys/cddl/dev/kinst/kinst.c b/sys/cddl/dev/kinst/kinst.c
--- a/sys/cddl/dev/kinst/kinst.c
+++ b/sys/cddl/dev/kinst/kinst.c
@@ -96,6 +96,13 @@
 	if (kinst_md_excluded(name))
 		return (true);
 
+	/*
+	 * cpu_switch() can cause a crash if it modifies the value of curthread
+	 * while in probe context.
+	 */
+	if (strcmp(name, "cpu_switch") == 0)
+		return (true);
+
 	/*
 	 * Anything beginning with "dtrace_" may be called from probe context
 	 * unless it explicitly indicates that it won't be called from probe