From 06f0982f0f4506e18872efb86b97993f2518988c Mon Sep 17 00:00:00 2001
From: Han Zheng <35988108+kdsjZh@users.noreply.github.com>
Date: Thu, 1 Feb 2024 15:13:21 +0100
Subject: Enhancement on Deterministic stage (#1972)

* fuzzer: init commit based on aflpp 60dc37a8cf09f8e9048e4b6a2204d6c90b27655a

* fuzzers: adding the skip variables and initialize

* log: profile the det/havoc finding

* log: add profile log output

* fuzzers: sperate log/skipdet module

* fuzzers: add quick eff_map calc

* fuzzers: add skip_eff_map in fuzz_one

* fuzzers: mark whole input space in eff_map

* fuzzers: add undet bit threshold to skip some seeds

* fuzzers: fix one byte overflow

* fuzzers: fix overflow

* fix code format

* add havoc only again

* code format

* remove log to INTROSPECTION, rename skipdet module

* rename skipdet module

* remove log to stats

* clean redundant code

* code format

* remove redundant code format check

* remove redundant doc

* remove redundant objects

* clean files

* change -d to default skipdet

* disable deterministic when using CUSTOM_MUTATOR

* revert fix
---
 src/afl-fuzz-queue.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/afl-fuzz-queue.c')

diff --git a/src/afl-fuzz-queue.c b/src/afl-fuzz-queue.c
index 4b9627f7..67931bba 100644
--- a/src/afl-fuzz-queue.c
+++ b/src/afl-fuzz-queue.c
@@ -664,6 +664,8 @@ void add_to_queue(afl_state_t *afl, u8 *fname, u32 len, u8 passed_det) {
 
   }
 
+  q->skipdet_e = (struct skipdet_entry *)ck_alloc(sizeof(struct skipdet_entry));
+
 }
 
 /* Destroy the entire queue. */
@@ -679,6 +681,15 @@ void destroy_queue(afl_state_t *afl) {
     q = afl->queue_buf[i];
     ck_free(q->fname);
     ck_free(q->trace_mini);
+    if (q->skipdet_e) {
+
+      if (q->skipdet_e->done_inf_map) ck_free(q->skipdet_e->done_inf_map);
+      if (q->skipdet_e->skip_eff_map) ck_free(q->skipdet_e->skip_eff_map);
+
+      ck_free(q->skipdet_e);
+
+    }
+
     ck_free(q);
 
   }
-- 
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