From 825ea4336b1da56bec3912bf5ec609d8db6da72e Mon Sep 17 00:00:00 2001
From: Chris Hennick <4961925+Pr0methean@users.noreply.github.com>
Date: Thu, 13 Jun 2024 22:44:01 +0000
Subject: [PATCH] New corpus-building script with multiple restarts

---
 build-fuzz-corpus-multiple-restarts.sh | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 build-fuzz-corpus-multiple-restarts.sh

diff --git a/build-fuzz-corpus-multiple-restarts.sh b/build-fuzz-corpus-multiple-restarts.sh
new file mode 100755
index 00000000..57f95b09
--- /dev/null
+++ b/build-fuzz-corpus-multiple-restarts.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+ncpus=$(nproc || getconf NPROCESSORS_ONLN)
+ncpus=$(( ncpus / ( 1 + $(cat /sys/devices/system/cpu/smt/active))))
+RESTARTS=25
+mv "fuzz/corpus/fuzz_$1" "fuzz/corpus/fuzz_$1_pre_fresh_blood"
+for i in $(seq 1 RESTARTS); do
+  echo "RESTART ${i}"
+  mkdir "fuzz/corpus/fuzz_$1"
+  cargo fuzz run --all-features "fuzz_$1" "fuzz/corpus/fuzz_$1" -- \
+    -dict=fuzz/fuzz.dict -max_len="$2" -fork="$ncpus" \
+    -max_total_time=2400 -runs=50000000
+  mv "fuzz/corpus/fuzz_$1" "fuzz/corpus/fuzz_$1_restart_${i}"
+done
+mkdir "fuzz/corpus/fuzz_$1"
+for i in $(seq 1 RESTARTS); do
+  mv "fuzz/corpus/fuzz_$1_restart_${i}/*" "fuzz/corpus/fuzz_$1"
+  rmdir "fuzz/corpus/fuzz_$1_restart_${i}"
+done
+./fuzz-until-converged.sh $1 $2