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-rw-r--r--instrumentation/afl-compiler-rt.o.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/instrumentation/afl-compiler-rt.o.c b/instrumentation/afl-compiler-rt.o.c
index 83aa9486..372b9f5a 100644
--- a/instrumentation/afl-compiler-rt.o.c
+++ b/instrumentation/afl-compiler-rt.o.c
@@ -2725,7 +2725,7 @@ void __afl_coverage_skip() {
 // mark this area as especially interesting
 void __afl_coverage_interesting(u8 val, u32 id) {
 
-  __afl_area_ptr[id] = val;
+  __afl_area_ptr[id % __afl_map_size] = val;
 
 }