readv()/preadv()/writev()/pwritev() do not use all buffers under preview 2 (as found by Python) #7830Closed as not planned
Description
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