@snafus @esindril -

So, the common criteria are:

  1. When it "overwrites", it does this starting on 1MB. That is, it's likely not a race condition that develops in the middle of the file.
  2. When it overwrites, it does this consistently on every buffer write. It's more of an on/off switch (potentially in the initialization?) than something that comes and goes.
  3. There's no clear trigger or reproducer to get into this condition. So it could be a race at the beginning or something like use of uninitialized data.


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