Test Case

TODO: upload Wasm file here

Steps to Reproduce

• https://github.com/python/cpython/blob/07236f5b39a2e534cf190cd4f7c73300d209520b/Lib/test/test_posix.py#L520-L525
• https://github.com/python/cpython/blob/07236f5b39a2e534cf190cd4f7c73300d209520b/Lib/test/test_posix.py#L307-L311
• https://github.com/python/cpython/blob/07236f5b39a2e534cf190cd4f7c73300d209520b/Lib/test/test_posix.py#L487-L490
• https://github.com/python/cpython/blob/07236f5b39a2e534cf190cd4f7c73300d209520b/Lib/test/test_posix.py#L364-L369

Expected Results

To be told 10 bytes were read/written.

Actual Results

5 bytes, which matches the first buffer, not the total bytes written across all buffers.

Versions and Environment

Wasmtime version or commit: 17.0.0

Operating system: Linux/WSL

Architecture: x64

Extra Info

Success logs when testing readv():
success-readv.txt

Failuse logs:
failure-readv.txt