chaokunyang commented on PR #3374:
URL: https://github.com/apache/fory/pull/3374#issuecomment-3976444717

   Follow-up with exact symbols (previous comment lost inline code formatting):
   
   1) ByteBuffer.Read(p []byte) does not call fill(...), so stream-backed 
buffers can return short/zero reads even when the underlying io.Reader still 
has data. This breaks internal call paths that use Read (e.g. 
MetaStringResolver.ReadMetaStringBytes and type-def decode). I can reproduce 
corrupted metastring bytes with NewByteBufferFromReader(..., 1) + a one-byte 
reader.
   2) fill(...) currently collapses all io.Reader errors into 
BufferOutOfBoundError, so non-EOF transport errors (for example connection 
reset) are reported as bounds errors and the original I/O cause is lost.


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