diff --git a/tools/check_headers.sh b/tools/check_headers.sh old mode 100644 new mode 100755 diff --git a/tools/run_fuzz_long.sh b/tools/run_fuzz_long.sh old mode 100644 new mode 100755 diff --git a/tools/run_tsan.sh b/tools/run_tsan.sh old mode 100644 new mode 100755