Fixed off-by-one error when benchmarking compare256 resulting in heap-buffer-overflow.

diff --git a/test/benchmarks/benchmark_compare256.cc b/test/benchmarks/benchmark_compare256.cc
index e690e8effe573f93457be5827cd99f2e5eba186e..cc1ee5c19aecf4f77a32d275e96c4e3f0e792c25 100644 (file)
--- a/test/benchmarks/benchmark_compare256.cc
+++ b/test/benchmarks/benchmark_compare256.cc
@@ -32,7 +32,7 @@ public:
     }
 
     void Bench(benchmark::State& state, compare256_func compare256) {
-        int32_t match_len = (int32_t)state.range(0);
+        int32_t match_len = (int32_t)state.range(0) - 1;
         uint32_t len;
 
         str2[match_len] = 0;