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Increase maximum memory in component_api fuzzer #13463

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Merged
alexcrichton merged 1 commit into from
May 26, 2026
+4 −2
Merged

Increase maximum memory in component_api fuzzer #13463

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6 changes: 4 additions & 2 deletions crates/fuzzing/src/oracles/component_api.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -194,6 +194,8 @@ fn store<T>(input: &mut Unstructured<'_>, val: T) -> arbitrary::Result<Store<T>>
}
}

const MEMORY_NEEDED: usize = 100 << 20; // 100 MiB

if let InstanceAllocationStrategy::Pooling(p) = &mut config.wasmtime.strategy {
set_min(&mut p.total_component_instances, 5);
set_min(&mut p.total_core_instances, 5);
Expand All @@ -204,11 +206,11 @@ fn store<T>(input: &mut Unstructured<'_>, val: T) -> arbitrary::Result<Store<T>>
set_min(&mut p.component_instance_size, 64 << 10);
set_min(&mut p.core_instance_size, 64 << 10);
p.memory_protection_keys = Enabled::No;
p.max_memory_size = 10 << 20; // 10 MiB
p.max_memory_size = MEMORY_NEEDED;
}
set_opt_min(
&mut config.wasmtime.memory_config.memory_reservation,
10 << 20,
MEMORY_NEEDED as u64,
);

// Re-enforce internal consistency after the adjustments above (e.g.
Expand Down