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-rw-r--r--llvm_mode/afl-llvm-rt.o.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm_mode/afl-llvm-rt.o.c b/llvm_mode/afl-llvm-rt.o.c
index 623e3a20..8a073318 100644
--- a/llvm_mode/afl-llvm-rt.o.c
+++ b/llvm_mode/afl-llvm-rt.o.c
@@ -904,7 +904,7 @@ void __sanitizer_cov_trace_pc_guard(uint32_t *guard) {
 
   */
 
-  __afl_area_ptr[*guard]++;
+  __afl_area_ptr[*guard] = __afl_area_ptr[*guard] + 1 + (__afl_area_ptr[*guard] == 255 ? 1 : 0);
 
 }