tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#!/bin/sh
2
3SRC_TREE=../../../../
4
5test_run()
6{
7 sysctl -w net.core.bpf_jit_enable=$1 2>&1 > /dev/null
8 sysctl -w net.core.bpf_jit_harden=$2 2>&1 > /dev/null
9
10 echo "[ JIT enabled:$1 hardened:$2 ]"
11 dmesg -C
12 insmod $SRC_TREE/lib/test_bpf.ko 2> /dev/null
13 if [ $? -ne 0 ]; then
14 rc=1
15 fi
16 rmmod test_bpf 2> /dev/null
17 dmesg | grep FAIL
18}
19
20test_save()
21{
22 JE=`sysctl -n net.core.bpf_jit_enable`
23 JH=`sysctl -n net.core.bpf_jit_harden`
24}
25
26test_restore()
27{
28 sysctl -w net.core.bpf_jit_enable=$JE 2>&1 > /dev/null
29 sysctl -w net.core.bpf_jit_harden=$JH 2>&1 > /dev/null
30}
31
32rc=0
33test_save
34test_run 0 0
35test_run 1 0
36test_run 1 1
37test_run 1 2
38test_restore
39exit $rc