distribution:fuzz_proxy_blobstore: Crash with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=5672875382407168 Project: distribution Fuzzing Engine: libFuzzer Fuzz Target: fuzzproxyblobstore Job Type: libfuzzerasandistribution Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x000000201350 Crash State: NULL Sanitizer: address AS...