Dynamically configure Spectre heap mitigations on/off in fuzzing

bytecodealliance / wasmtime

A fast and secure runtime for WebAssembly

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Dynamically configure Spectre heap mitigations on/off in fuzzing #8775

Closed fitzgen closed 3 weeks ago

fitzgen commented 3 weeks ago

We have slightly different bounds checks for when Spectre mitigations are enabled or disabled, so add a knob to our fuzzing machinery to exercise all cases.