We should investigate if it's possible to implement an indexed DB fuzzer, in a way similar to Ned's appcache fuzzer: https://chromium-review.googlesource.com/c/chromium/src/+/1302101 using libprotobuf-mutator.

we've seen a number of bugs here in the past:

https://bugs.chromium.org/p/chromium/issues/detail?id=728887
https://bugs.chromium.org/p/chromium/issues/detail?id=842990