OSS-Fuzz issue 474400833

OSS-Fuzz has found a bug in this project. Please see https://oss-fuzz.com/testcase?key=4621927156350976 for details and reproducers.

This issue is mirrored from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=474400833 and will auto-close if the status changes there.

If you have trouble accessing this report, please file an issue at https://github.com/google/oss-fuzz/issues/new.
