fuzz: don't allow enormous revlog inputs either
I'm about to make the fuzzer do more, and without this it was getting
enthusiastic about large (and therefore slow) inputs that I don't
think buy us much.
Differential Revision: https://phab.mercurial-scm.org/D5640
--- a/contrib/fuzz/revlog.cc Tue Jan 22 10:55:45 2019 -0800
+++ b/contrib/fuzz/revlog.cc Tue Jan 22 11:18:05 2019 -0500
@@ -31,6 +31,11 @@
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
+ // Don't allow fuzzer inputs larger than 60k, since we'll just bog
+ // down and not accomplish much.
+ if (Size > 60000) {
+ return 0;
+ }
PyObject *text =
PyBytes_FromStringAndSize((const char *)Data, (Py_ssize_t)Size);
PyObject *locals = PyDict_New();