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| author | Andrea Fioraldi <andreafioraldi@gmail.com> | 2019-08-30 12:13:51 +0200 |
|---|---|---|
| committer | Andrea Fioraldi <andreafioraldi@gmail.com> | 2019-08-30 12:13:51 +0200 |
| commit | 5036cb54ccc3f4dcc261e124e9cf0146a06592c2 (patch) | |
| tree | 42ca0eefcb907b606da00046367fc1e665a2c44f /afl-system-config | |
| parent | 2eeb07d164cb7874a64a48bd9c1bf4112636ac43 (diff) | |
| parent | eadd378f6c54a7e021985bca041d9642fff41034 (diff) | |
| download | afl++-5036cb54ccc3f4dcc261e124e9cf0146a06592c2.tar.gz | |
update with changes from master
Diffstat (limited to 'afl-system-config')
| -rwxr-xr-x | afl-system-config | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/afl-system-config b/afl-system-config index 366762ef..28793c5b 100755 --- a/afl-system-config +++ b/afl-system-config @@ -1,9 +1,11 @@ #!/bin/sh +PLATFORM=`uname -s` echo This reconfigures the system to have a better fuzzing performance if [ '!' "$EUID" = 0 ] && [ '!' `id -u` = 0 ] ; then echo Error you need to be root to run this exit 1 fi +if [ "$PLATFORM" = "Linux" ] ; then sysctl -w kernel.core_pattern=core sysctl -w kernel.randomize_va_space=0 sysctl -w kernel.sched_child_runs_first=1 @@ -19,5 +21,19 @@ test -e /sys/devices/system/cpu/cpufreq/boost && echo 1 > /sys/devices/system/cp echo echo It is recommended to boot the kernel with lots of security off - if you are running a machine that is in a secured network - so set this: echo '/etc/default/grub:GRUB_CMDLINE_LINUX_DEFAULT="ibpb=off ibrs=off kpti=off l1tf=off mds=off mitigations=off no_stf_barrier noibpb noibrs nopcid nopti nospec_store_bypass_disable nospectre_v1 nospectre_v2 pcid=off pti=off spec_store_bypass_disable=off spectre_v2=off stf_barrier=off"' +fi +if [ "$PLATFORM" = "FreeBSD" ] ; then +sysctl kern.elf32.aslr.enable=0 +sysctl kern.elf64.aslr.enable=0 +echo +echo It is recommended to boot the kernel with lots of security off - if you are running a machine that is in a secured network - so set this: +echo 'sysctl hw.ibrs_disable=1' +echo +echo 'Setting kern.pmap.pg_ps_enabled=0 into /boot/loader.conf might be helpful too.' +fi +if [ "$PLATFORM" = "OpenBSD" ] ; then +echo +echo 'System security features cannot be disabled on OpenBSD.' +fi echo echo Also use AFL_TMPDIR to use a tmpfs for the input file |
