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wasmtime crashes when worker has a function call

$ wasmtime --wasi-modules experimental-wasi-parallel omp-hello.wasm 4
thread '<unnamed>' panicked at 'kernel failed: wasm trap: call stack exhausted
wasm backtrace:
    0: 0xffffffff - <unknown>!wasi_unwrapper
', crates/wasi-parallel/src/device/cpu.rs:66:49
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
thread '<unnamed>' panicked at 'kernel failed: wasm trap: call stack exhausted
wasm backtrace:
    0: 0xffffffff - <unknown>!wasi_unwrapper
', crates/wasi-parallel/src/device/cpu.rs:66:49
thread '<unnamed>' panicked at 'kernel failed: wasm trap: call stack exhausted
wasm backtrace:
    0: 0xffffffff - <unknown>!wasi_unwrapper
', crates/wasi-parallel/src/device/cpu.rs:66:49
thread '<unnamed>' panicked at 'kernel failed: wasm trap: call stack exhausted
wasm backtrace:
    0: 0xffffffff - <unknown>!wasi_unwrapper
', crates/wasi-parallel/src/device/cpu.rs:66:49
thread 'main' panicked at 'Thread pool worker panicked', /home/ppenzin/.cargo/registry/src/github.com-1ecc6299db9ec823/scoped_threadpool-0.1.9/src/lib.rs:236:13

In case of this repo it happens when any calls are added to wasi_unwrapper, which serves as a worker function. The same can also be reproduced by adding a function call to the worker function in any of the existing examples (say, nstream_cpp.cpp).

CC @abrown @egalli

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