# MutantHub mutant #4256: Arithmetic operator mutation at validation.cpp:5095
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:5095-5095
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -5095,1 +5095,1 @@
-                blkdat.SetLimit(nBlockPos + nSize);
+                blkdat.SetLimit(nBlockPos - nSize);