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author | heiko <heiko@FreeBSD12.1> | 2021-02-28 00:24:29 +0100 |
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committer | heiko <heiko@FreeBSD12.1> | 2021-02-28 00:24:29 +0100 |
commit | 6036cf8437853f0bd2d94bf8d959da58c80b889f (patch) | |
tree | 4173116714b1d9137fc8d1d004486e1c9fdb8bab | |
parent | 1cad645400d9d96d2a29cebade704f5b0cc69c8b (diff) | |
download | afl++-6036cf8437853f0bd2d94bf8d959da58c80b889f.tar.gz |
BSD: how to avoid core dumps
-rwxr-xr-x | afl-system-config | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/afl-system-config b/afl-system-config index ba8ad3a3..9905ac81 100755 --- a/afl-system-config +++ b/afl-system-config @@ -49,6 +49,12 @@ if [ "$PLATFORM" = "FreeBSD" ] ; then sysctl kern.elf64.aslr.enable=0 } > /dev/null echo Settings applied. + cat <<EOF +In order to suppress core file generation during fuzzing it is recommended to set +me:\\ + :coredumpsize=0: +in the ~/.login_conf file for the user used for fuzzing. +EOF echo It is recommended to boot the kernel with lots of security off - if you are running a machine that is in a secured network - so set this: echo ' sysctl hw.ibrs_disable=1' echo 'Setting kern.pmap.pg_ps_enabled=0 into /boot/loader.conf might be helpful too.' @@ -60,8 +66,14 @@ if [ "$PLATFORM" = "OpenBSD" ] ; then DONE=1 fi if [ "$PLATFORM" = "DragonFly" ] ; then - /sbin/sysctl kern.corefile=/dev/null - echo Settings applied. + #/sbin/sysctl kern.corefile=/dev/null + #echo Settings applied. + cat <<EOF +In order to suppress core file generation during fuzzing it is recommended to set +me:\\ + :coredumpsize=0: +in the ~/.login_conf file for the user used for fuzzing. +EOF DONE=1 fi if [ "$PLATFORM" = "NetBSD" ] ; then @@ -88,7 +100,7 @@ fi if [ "$PLATFORM" = "Haiku" ] ; then SETTINGS=~/config/settings/system/debug_server/settings [ -r ${SETTINGS} ] && grep -qE "default_action\s+kill" ${SETTINGS} && { echo "Nothing to do"; } || { \ - echo We change the debug_server default_action from user to silenty kill; \ + echo We change the debug_server default_action from user to silently kill; \ [ ! -r ${SETTINGS} ] && echo "default_action kill" >${SETTINGS} || { mv ${SETTINGS} s.tmp; sed -e "s/default_action\s\s*user/default_action kill/" s.tmp > ${SETTINGS}; rm s.tmp; }; \ echo Settings applied.; \ } |