From f2f5b446a4ee6b4d7f2647058e32325cc4d668bc Mon Sep 17 00:00:00 2001
From: Peter Wu <lekensteyn@gmail.com>
Date: Mon, 28 Oct 2013 10:58:26 +0100
Subject: showtaints: display flags that taints the kernel

Created at 2012-11-12.
---
 showtaints | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 showtaints

(limited to 'showtaints')

diff --git a/showtaints b/showtaints
new file mode 100755
index 0000000..5df7ca4
--- /dev/null
+++ b/showtaints
@@ -0,0 +1,17 @@
+#!/bin/bash
+for headers in /usr/src/linux-$(uname -r)/include/linux/kernel.h \
+	/usr/src/linux-*/include/linux/kernel.h; do
+	if [ -s "$headers" ]; then
+		KERNELH="$headers"
+		break
+	fi
+done
+read taints < /proc/sys/kernel/tainted
+bit=0
+while [ $((taints >> bit)) -ne 0 ]; do
+	if [ $((taints & (1 << bit))) -ne 0 ]; then
+		taint="$(awk "/#define TAINT_/{if(\$3 == $bit){print \$2}}" <"$KERNELH")"
+		echo "${taint-"Taint bit $bit is set"}"
+	fi
+	((bit++))
+done
-- 
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