From 8351562bec6081eda2a600bfe4edeb264a9dee0b Mon Sep 17 00:00:00 2001
From: glozow <gloriajzhao@gmail.com>
Date: Wed, 30 Oct 2024 21:16:23 -0400
Subject: [PATCH] [fuzz] allow negative time jumps in txdownloadman_impl

---
 src/test/fuzz/txdownloadman.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/test/fuzz/txdownloadman.cpp b/src/test/fuzz/txdownloadman.cpp
index eb903bb4703..90e04d8376f 100644
--- a/src/test/fuzz/txdownloadman.cpp
+++ b/src/test/fuzz/txdownloadman.cpp
@@ -430,8 +430,9 @@ FUZZ_TARGET(txdownloadman_impl, .init = initialize)
             }
         );
 
-        // Jump ahead in time
-        time += fuzzed_data_provider.PickValueInArray(TIME_SKIPS);
+        auto time_skip = fuzzed_data_provider.PickValueInArray(TIME_SKIPS);
+        if (fuzzed_data_provider.ConsumeBool()) time_skip *= -1;
+        time += time_skip;
         CheckInvariants(txdownload_impl, max_orphan_count);
     }
     // Disconnect everybody, check that all data structures are empty.