Mercurial > hg
changeset 41309:afc33a5705b9
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
| author | Augie Fackler <raf@durin42.com> |
|---|---|
| date | Tue, 22 Jan 2019 11:18:05 -0500 |
| parents | a322dbee4eda |
| children | ebe51a2e75be |
| files | contrib/fuzz/revlog.cc |
| diffstat | 1 files changed, 5 insertions(+), 0 deletions(-) [+] |
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--- 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();