afl: minimalistic script to start AFL fuzzers

in suricata source dir:

mkdir afl
cd afl
bash ../scripts/afl/runafl.sh decoder-ipv4

scripts/afl/runafl.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+PROTO=$1
+
+if [ ! -d $1 ]; then
+        mkdir -p $1/output
+        mkdir -p $1/dump
+        mkdir -p $1/input
+        echo "1" > $1/input/seed.txt
+else
+        CRASHES=$(ls ${1}/output/crashes|wc -l)
+        if [ $CRASHED -ne "0" ]; then
+            DIRNAME=$(date +%s)
+            mkdir "${1}/$DIRNAME"
+            mv -f ${1}/output/crashes/* ${1}/$DIRNAME/
+        fi
+        mv -f $1/output/queue/id* $1/input/
+        rm -r $1/output/
+        mkdir $1/output
+fi
+cd $1
+export ASAN_OPTIONS="detect_leaks=0 abort_on_error=1 symbolize=0"
+export AFL_SKIP_CPUFREQ=1
+/usr/local/bin/afl-fuzz -T ${PROTO} -t 1000 -m none -i input/ -o output/ -- ../../src/suricata --afl-${PROTO}=@@