From 4b156be15e3ad96adb5495758ee4327142fe5cfa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Wei=C3=9Fe?= <dw@edgeless.systems>
Date: Tue, 5 Apr 2022 16:50:51 +0200
Subject: [PATCH] Add kernel panic util function
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Signed-off-by: Daniel Weiße <dw@edgeless.systems>
---
 internal/utils/utils.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 internal/utils/utils.go

diff --git a/internal/utils/utils.go b/internal/utils/utils.go
new file mode 100644
index 000000000..9da6757c2
--- /dev/null
+++ b/internal/utils/utils.go
@@ -0,0 +1,17 @@
+package utils
+
+import (
+	"fmt"
+	"os"
+)
+
+// KernelPanic prints the error and triggers a kernel panic.
+//
+// This function WILL cause a system crash!
+// DO NOT call it in any code that may be covered by automatic or manual tests.
+func KernelPanic(err error) {
+	fmt.Println(err)
+	_ = os.WriteFile("/proc/sys/kernel/sysrq", []byte("1"), 0o644)
+	_ = os.WriteFile("/proc/sysrq-trigger", []byte("c"), 0o644)
+	panic(err)
+}