0xicarus/fuzz harness take2 - #419
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CompiledModule { version: 1, self_module_handle_idx: ModuleHandleIndex(0), module_handles: [ModuleHandle { address: AddressIdentifierIndex(0), name: IdentifierIndex(0) }], struct_handles: [StructHandle { module: ModuleHandleIndex(0), name: IdentifierIndex(0), abilities: [], type_parameters: [StructTypeParameter { constraints: [Key, ], is_phantom: true }] }], function_handles: [], field_handles: [], friend_decls: [], struct_def_instantiations: [], function_instantiations: [], field_instantiations: [], signatures: [], identifiers: [Identifier("\0\0\0\0")], address_identifiers: [183b040060601100000030130a0a712f927171fd182b04010000000000000800], constant_pool: [], metadata: [], struct_defs: [StructDefinition { struct_handle: StructHandleIndex(0), field_information: Declared([FieldDefinition { name: IdentifierIndex(0), signature: TypeSignature(Function([Function([Function([Bool], [], )], [], ), Function([Function([Function([Function([U128, Reference(Reference(Reference(Function([Function([Bool], [], )], [], key))))], [], )], [Bool, U25l, U256, Function([Function([Function([Bool], [], )], [Function([Function([Function([Function([U128, Bool], [], )], [], )], [], )], [], )], )], [], )], )], [], )], [], )], [], )) }]) }], function_defs: [], struct_variant_handles: [], struct_variant_instantiations: [], variant_field_handles: [], variant_field_instantiations: [] }
Contains a struct with a function with an argument which is a reference to a reference. That is explicitly not allowed in add_signature_token() in struct_defs.rs
So either the test should allow this error or add_signature_token() is broken.
aptos-labs#16491 is relevant
0xIcarus
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Primata,
fEst1ck,
ganymedio,
musitdev and
seanyoung
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August 25, 2026 07:58
seanyoung
reviewed
Aug 25, 2026
| format!("{}-{}", thread_name_clone, id) | ||
| }) | ||
| .on_thread_start(on_thread_start) | ||
| .disable_lifo_slot() |
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Why this change - and won't this affect lots of other things?
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Description
This PR significantly extends the Move VM fuzzing infrastructure for the Movement security project. It introduces new fuzz harnesses, a crash replay/triage system, a semantic fuzzer with economic invariant checking, and fixes for real vulnerabilities discovered during fuzzing.
Bug fixes (discovered by fuzzer):
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