wasi: raise a trap on out-of-range memory access · yamt/toywasm@c8c3062 · GitHub

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wasi: raise a trap on out-of-range memory access

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The previous logic was broken.
It was returning EFAULT (which indicating a trap in memory_getptr)
to the caller without processing the trap properly.

This commit fixes it by distinguishing user-level error and
host-level error. EFAULT for traps is a host-level error.

cf. WebAssembly/WASI#505

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yamt committed Jan 14, 2023

1 parent 36b6f16 commit c8c3062