From a9ea61c540f9075e9f6312d64548507239f05c52 Mon Sep 17 00:00:00 2001
From: Romain Malmain <romain.malmain@pm.me>
Date: Fri, 24 Nov 2023 17:54:18 +0100
Subject: [PATCH] fix: check enabled snapshot before logging also in range
 version of dirty_list.

---
 libafl_extras/syx-snapshot/syx-snapshot.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libafl_extras/syx-snapshot/syx-snapshot.c b/libafl_extras/syx-snapshot/syx-snapshot.c
index 6dab92276f..89f9065d66 100644
--- a/libafl_extras/syx-snapshot/syx-snapshot.c
+++ b/libafl_extras/syx-snapshot/syx-snapshot.c
@@ -451,6 +451,11 @@ void syx_snapshot_dirty_list_add_hostaddr(void* host_addr)
 
 void syx_snapshot_dirty_list_add_hostaddr_range(void* host_addr, uint64_t len)
 {
+    // early check to know whether we should log the page access or not
+    if (!syx_snapshot_is_enabled()) {
+        return;
+    }
+
     assert(len < INT64_MAX);
     int64_t len_signed = (int64_t) len;