Comment #3 on issue 3645 by [email protected]: MSan vs. Serializer:
Fight!
https://code.google.com/p/v8/issues/detail?id=3645
The plan I outlined does not require any special handling of strings. While
serializing an arbitrary object, you would query MSan about uninitialized
bytes within that object. You would then store information about which
bytes (bits, actually) are uninitialized along with the object's
representation.
Is there a way to mark a particular function to exempt it from MSAN's
scrutiny?
There's __attribute__((no_sanitize_memory)). It suppresses MSan reports and
marks any memory written to by that function as initialized.
Depending on what specifically is going on in your code, this may not be
appropriate. For instance, if you pass uninitialized memory to write(), the
attribute will not help. Can I see the code and the MSan report?
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