Check offsets
Check offsets

Summary: Check offsets

Reviewed By: mjoras

Differential Revision: D36151953

fbshipit-source-id: 7485ba08793ee329d2558eddb7876da9b3caab77

facebookincubator/mvfst,facebookincubator/mvfst,facebookincubator/mvfst,facebookincubator/mvfst,facebookincubator/mvfst