fuzz: add a test case for fuzz-bootspec

This adds a testcase for the issue oss-fuzz#50949
(https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50949).

diff --git a/test/fuzz/fuzz-bootspec/clusterfuzz-testcase-minimized-fuzz-bootspec-5421682902302720 b/test/fuzz/fuzz-bootspec/clusterfuzz-testcase-minimized-fuzz-bootspec-5421682902302720
new file mode 100644 (file)
index 0000000..b95df60
--- /dev/null
+++ b/test/fuzz/fuzz-bootspec/clusterfuzz-testcase-minimized-fuzz-bootspec-5421682902302720
@@ -0,0 +1 @@
+{"loader":[""]}
\ No newline at end of file