Re: [PATCH v2 1/5] selftests/ima: cleanup the kexec selftest

From: shuah
Date: Tue Feb 26 2019 - 19:57:45 EST


Hi Mimi,

Thanks for the patches.

On 2/26/19 4:26 PM, Mimi Zohar wrote:
Remove the few bashisms and use the complete option name for clarity.

Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
Reviewed-by: Petr Vorel <pvorel@xxxxxxx>
---
tools/testing/selftests/ima/test_kexec_load.sh | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/ima/test_kexec_load.sh b/tools/testing/selftests/ima/test_kexec_load.sh
index 1c10093fb526..0345803e7bec 100755
--- a/tools/testing/selftests/ima/test_kexec_load.sh
+++ b/tools/testing/selftests/ima/test_kexec_load.sh
@@ -1,7 +1,7 @@
#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0+
+# SPDX-License-Identifier: GPL-2.0-or-later

# SPDX-License-Identifier: GPL-2.0

# Loading a kernel image via the kexec_load syscall should fail
-# when the kerne is CONFIG_KEXEC_VERIFY_SIG enabled and the system
+# when the kernel is CONFIG_KEXEC_VERIFY_SIG enabled and the system
# is booted in secureboot mode.
TEST="$0"
@@ -12,8 +12,8 @@ rc=0
ksft_skip=4
# kexec requires root privileges
-if [ $UID != 0 ]; then
- echo "$TEST: must be run as root" >&2
+if [ $(id -ru) -ne 0 ]; then
+ echo "$TEST: requires root privileges" >&2
exit $ksft_skip
fi
@@ -33,17 +33,17 @@ secureboot=`hexdump $file | awk '{print substr($4,length($4),1)}'`
# kexec_load should fail in secure boot mode
KERNEL_IMAGE="/boot/vmlinuz-`uname -r`"
-kexec -l $KERNEL_IMAGE &>> /dev/null
-if [ $? == 0 ]; then
- kexec -u
- if [ "$secureboot" == "1" ]; then
+kexec --load $KERNEL_IMAGE 2>&1 > /dev/null
+if [ $? -eq 0 ]; then
+ kexec --unload
+ if [ $secureboot -eq 1 ]; then
echo "$TEST: kexec_load succeeded [FAIL]"
rc=1
else
echo "$TEST: kexec_load succeeded [PASS]"
fi
else
- if [ "$secureboot" == "1" ]; then
+ if [ $secureboot -eq 1 ]; then
echo "$TEST: kexec_load failed [PASS]"
else
echo "$TEST: kexec_load failed [FAIL]"


The rest looks good to me.

thanks,
-- Shuah