High level conclusions

Fuzzers reach 64.29% code coverage.

Fuzzers reach 0.678% of cyclomatic complexity.

Fuzzers reach 1.023% of all functions.

Reachability and coverage overview

Functions statically reachable by fuzzers

33 / 3224

Cyclomatic complexity statically reachable by fuzzers

15 / 2211

Runtime code coverage of functions

2073 / 3224

Warning: The number of runtime covered functions are larger than the number of reachable functions. This means that Fuzz Introspector found there are more functions covered at runtime than what is considered reachable based on the static analysis. This is a limitation in the analysis as anything covered at runtime is by definition reachable by the fuzzers.
This is likely due to a limitation in the static analysis. In this case, the count of functions covered at runtime is the true value, which means this is what should be considered "achieved" by the fuzzer.

Use the project functions table below to query all functions that were not covered at runtime.

The following table shows data about each function in the project. The functions included in this table correspond to all functions that exist in the executables of the fuzzers. As such, there may be functions that are from third-party libraries.

For further technical details on the meaning of columns in the below table, please see the Glossary .

Func name	Functions filename	Args	Function call depth	Reached by Fuzzers	Runtime reached by Fuzzers	Combined reached by Fuzzers	Fuzzers runtime hit	Func lines hit %	I Count	BB Count	Cyclomatic complexity	Functions reached	Reached by functions	Accumulated cyclomatic complexity	Undiscovered complexity

Fuzzer: translate

Call tree

The calltree shows the control flow of the fuzzer. This is overlaid with coverage information to display how much of the potential code a fuzzer can reach is in fact covered at runtime. In the following there is a link to a detailed calltree visualisation as well as a bitmap showing a high-level view of the calltree. For further information about these topics please see the glossary for full calltree and calltree overview

Call tree overview bitmap:

The distribution of callsites in terms of coloring is

Color	Runtime hitcount	Callsite count	Percentage
red	0	523	67.6%
gold	[1:9]	0	0.0%
yellow	[10:29]	0	0.0%
greenyellow	[30:49]	0	0.0%
lawngreen	50+	250	32.3%
All colors	773	100

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
153	247	FuzzSmithConfig::arbitrary	call site: 00247	FuzzInput::arbitrary
50	191	ModuleParser::process_types	call site: 00191	FuzzInput::arbitrary
21	636	ModuleParser::consume_buffer	call site: 00636	impl_try_truncate_into
19	676	ModuleParser::parse_buffered_unchecked	call site: 00676	StoreInner::try_resolve_memory
17	39	Config::default_features	call site: 00039	impl_try_truncate_into
16	2	FuzzModule::wasm	call site: 00002	impl_try_truncate_into
16	572	ModuleParser::process_exports	call site: 00572	impl_try_truncate_into
14	128	Module::validate	call site: 00128	fuzz_target
13	660	GuardedEntity::entity_index	call site: 00660	Module::validate
12	510	TableType::from_wasmparser	call site: 00510
11	445	ModuleParser::process_imports	call site: 00445	HeadVec::push
9	61	Engine::new	call site: 00061

Runtime coverage analysis

Covered functions

8564

Functions that are reachable but not covered

12

Reachable functions

45

Percentage of reachable functions covered

73.33%

NB: The sum of covered functions and functions that are reachable but not covered need not be equal to Reachable functions . This is because the reachability analysis is an approximation and thus at runtime some functions may be covered that are not included in the reachability analysis. This is a limitation of our static analysis capabilities.

Warning: The number of covered functions are larger than the number of reachable functions. This means that there are more functions covered at runtime than are extracted using static analysis. This is likely a result of the static analysis component failing to extract the right call graph or the coverage runtime being compiled with sanitizers in code that the static analysis has not analysed. This can happen if lto/gold is not used in all places that coverage instrumentation is used.

Function name	source code lines	source lines hit	percentage hit

Files reached

filename	functions hit
fuzz/fuzz_targets/translate.rs	11
crates/fuzz/src/module.rs	3
crates/core/src/value.rs	7
crates/c_api/src/global.rs	10
crates/c_api/src/val.rs	6
crates/wasmi/src/engine/config.rs	2
crates/collections/src/string_interner.rs	8
crates/core/src/untyped.rs	1
crates/c_api/src/config.rs	46
crates/cli/src/args.rs	1
crates/core/src/fuel.rs	9
crates/c_api/src/trap.rs	1
crates/wasmi/src/error.rs	1
crates/c_api/src/module.rs	15
crates/c_api/src/engine.rs	2
crates/wasmi/src/module/parser/buffered.rs	36
crates/wasmi/src/engine/translator/func/utils.rs	1
crates/c_api/src/store.rs	2
fuzz/fuzz_targets/execute.rs	33
crates/wasmi/src/module/parser/mod.rs	66
crates/collections/src/set.rs	7
crates/core/src/limiter.rs	2
crates/wasmi/src/reftype.rs	2
crates/c_api/src/ref.rs	2
fuzz/fuzz_targets/differential.rs	7
crates/core/src/memory/access.rs	5
crates/fuzz/src/value.rs	7
crates/fuzz/src/config.rs	2
crates/c_api/src/func.rs	4
crates/wasmi/src/module/utils.rs	10
crates/wasmi/src/module/builder.rs	12
crates/wasmi/src/engine/mod.rs	3
crates/collections/src/head_vec.rs	2
crates/core/src/table/ty.rs	1
crates/c_api/src/vec.rs	2
crates/c_api/src/memory.rs	3
crates/core/src/memory/mod.rs	3
crates/wasmi/src/func/caller.rs	1
crates/wasmi/src/store/inner.rs	6
crates/collections/src/arena/guarded.rs	2
crates/wasmi/src/store/error.rs	1
crates/ir/src/span.rs	2
crates/collections/src/hash.rs	1
crates/wasmi/src/engine/code_map.rs	3
crates/core/src/memory/ty.rs	1

Fuzzer: execute

Call tree

The calltree shows the control flow of the fuzzer. This is overlaid with coverage information to display how much of the potential code a fuzzer can reach is in fact covered at runtime. In the following there is a link to a detailed calltree visualisation as well as a bitmap showing a high-level view of the calltree. For further information about these topics please see the glossary for full calltree and calltree overview

Call tree overview bitmap:

The distribution of callsites in terms of coloring is

Color	Runtime hitcount	Callsite count	Percentage
red	0	942	73.8%
gold	[1:9]	0	0.0%
yellow	[10:29]	0	0.0%
greenyellow	[30:49]	0	0.0%
lawngreen	50+	334	26.1%
All colors	1276	100

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
82	912	LinkerError::missing_definition	call site: 00912	fuzz_target
65	1023	ResourceLimiterRef::as_resource_limiter	call site: 01023	wasm_val_t::to_val
63	840	proc_macro::TokenStream::element	call site: 00840	impl_try_truncate_into
60	1098	StoreInner::try_resolve_memory_mut	call site: 01098	wasm_val_t::from
50	320	FuzzSmithConfig::allow_execution	call site: 00320	FuzzInput::arbitrary
47	792	Module::func_types_cloned	call site: 00792	impl_try_truncate_into
45	1230	ModuleParser::parse_buffered_data	call site: 01230	Linker::instantiate_and_start
39	751	ModuleParser::parse_buffered_unchecked	call site: 00751	Linker::instantiate_and_start
24	116	StoreLimitsBuilder::new	call site: 00116	fuzz_target
21	259	ModuleParser::process_types	call site: 00259	Ref::as_func
21	727	GuardedEntity::entity_index	call site: 00727	Module::validate
17	450	Error::from	call site: 00450	Error::from

Runtime coverage analysis

Covered functions

11633

Functions that are reachable but not covered

26

Reachable functions

98

Percentage of reachable functions covered

73.47%

NB: The sum of covered functions and functions that are reachable but not covered need not be equal to Reachable functions . This is because the reachability analysis is an approximation and thus at runtime some functions may be covered that are not included in the reachability analysis. This is a limitation of our static analysis capabilities.

Warning: The number of covered functions are larger than the number of reachable functions. This means that there are more functions covered at runtime than are extracted using static analysis. This is likely a result of the static analysis component failing to extract the right call graph or the coverage runtime being compiled with sanitizers in code that the static analysis has not analysed. This can happen if lto/gold is not used in all places that coverage instrumentation is used.

Function name	source code lines	source lines hit	percentage hit

Files reached

filename	functions hit
fuzz/fuzz_targets/execute.rs	53
crates/fuzz/src/module.rs	3
crates/core/src/value.rs	7
crates/c_api/src/global.rs	27
crates/c_api/src/val.rs	11
crates/wasmi/src/engine/config.rs	2
crates/collections/src/string_interner.rs	8
crates/core/src/untyped.rs	1
crates/c_api/src/config.rs	85
crates/cli/src/args.rs	1
crates/core/src/fuel.rs	9
crates/c_api/src/trap.rs	1
crates/wasmi/src/error.rs	1
crates/c_api/src/memory.rs	6
crates/c_api/src/store.rs	5
crates/core/src/memory/ty.rs	5
crates/c_api/src/engine.rs	2
crates/core/src/limiter.rs	2
crates/c_api/src/error.rs	3
crates/c_api/src/module.rs	28
crates/wasmi/src/module/parser/buffered.rs	36
crates/wasmi/src/engine/translator/func/utils.rs	1
crates/wasmi/src/engine/code_map.rs	3
crates/wasmi/src/module/parser/mod.rs	66
crates/collections/src/set.rs	7
crates/wasmi/src/reftype.rs	2
crates/c_api/src/ref.rs	2
fuzz/fuzz_targets/differential.rs	5
crates/core/src/memory/access.rs	5
crates/fuzz/src/value.rs	7
crates/fuzz/src/config.rs	2
crates/c_api/src/func.rs	30
crates/wasmi/src/module/utils.rs	10
crates/wasmi/src/module/builder.rs	12
crates/wasmi/src/engine/mod.rs	3
crates/collections/src/head_vec.rs	2
crates/core/src/table/ty.rs	1
crates/c_api/src/vec.rs	2
crates/core/src/memory/mod.rs	6
crates/wasmi/src/func/caller.rs	2
crates/wasmi/src/store/inner.rs	10
crates/collections/src/arena/guarded.rs	2
crates/wasmi/src/store/error.rs	1
crates/ir/src/span.rs	2
crates/wasmi/src/linker.rs	27
crates/wasmi/src/module/mod.rs	2
crates/c_api/src/types/global.rs	1
crates/c_api/macro/lib.rs	8
crates/c_api/src/types/table.rs	1
crates/wasmi/tests/integration/resource_limiter.rs	3
crates/c_api/src/instance.rs	9
crates/collections/src/map.rs	2
crates/c_api/src/utils.rs	1
crates/collections/src/hash.rs	1

Fuzzer: differential

Call tree

The calltree shows the control flow of the fuzzer. This is overlaid with coverage information to display how much of the potential code a fuzzer can reach is in fact covered at runtime. In the following there is a link to a detailed calltree visualisation as well as a bitmap showing a high-level view of the calltree. For further information about these topics please see the glossary for full calltree and calltree overview

Call tree overview bitmap:

The distribution of callsites in terms of coloring is

Color	Runtime hitcount	Callsite count	Percentage
red	0	887	70.4%
gold	[1:9]	0	0.0%
yellow	[10:29]	0	0.0%
greenyellow	[30:49]	0	0.0%
lawngreen	50+	372	29.5%
All colors	1259	100

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
69	370	ResourceLimiterRef::as_resource_limiter	call site: 00370	wasm_val_t::to_val
57	457	StoreInner::try_resolve_memory_mut	call site: 00457	wasm_val_t::from
57	1134	proc_macro::TokenStream::element	call site: 01134	impl_try_truncate_into
54	1196	LinkerError::missing_definition	call site: 01196	impl_try_truncate_into
40	1052	ModuleParser::parse_buffered_impl	call site: 01052	Linker::instantiate_and_start
39	1094	Module::func_types_cloned	call site: 01094	impl_try_truncate_into
28	714	FuzzState::init_params	call site: 00714	Error::from
21	235	FuzzSmithConfig::allow_execution	call site: 00235	FuzzInput::arbitrary
19	257	FuzzModule::ensure_termination	call site: 00257	fuzz_target
17	155	WasmSource::into_bytes	call site: 00155	wasm_global_t::try_from
17	967	ModuleParser::consume_buffer	call site: 00967	ModuleParser::process_invalid_payload
16	903	ModuleParser::process_exports	call site: 00903	impl_try_truncate_into

Runtime coverage analysis

Covered functions

11660

Functions that are reachable but not covered

10

Reachable functions

71

Percentage of reachable functions covered

85.92%

NB: The sum of covered functions and functions that are reachable but not covered need not be equal to Reachable functions . This is because the reachability analysis is an approximation and thus at runtime some functions may be covered that are not included in the reachability analysis. This is a limitation of our static analysis capabilities.

Warning: The number of covered functions are larger than the number of reachable functions. This means that there are more functions covered at runtime than are extracted using static analysis. This is likely a result of the static analysis component failing to extract the right call graph or the coverage runtime being compiled with sanitizers in code that the static analysis has not analysed. This can happen if lto/gold is not used in all places that coverage instrumentation is used.

Function name	source code lines	source lines hit	percentage hit

Files reached

filename	functions hit
fuzz/fuzz_targets/differential.rs	49
crates/fuzz/src/module.rs	3
crates/core/src/value.rs	8
crates/c_api/src/val.rs	11
crates/wasmi/src/engine/config.rs	6
crates/collections/src/string_interner.rs	8
crates/core/src/untyped.rs	1
crates/c_api/src/config.rs	85
crates/c_api/src/trap.rs	1
crates/wasmi/src/error.rs	1
crates/c_api/src/memory.rs	6
crates/c_api/src/store.rs	3
fuzz/fuzz_targets/execute.rs	25
crates/c_api/src/instance.rs	9
crates/wasmi/src/func/caller.rs	2
crates/cli/src/context.rs	6
crates/c_api/src/vec.rs	2
crates/c_api/macro/lib.rs	8
crates/c_api/src/global.rs	26
crates/collections/src/set.rs	7
crates/core/src/limiter.rs	2
crates/core/src/memory/access.rs	5
crates/fuzz/src/value.rs	7
crates/fuzz/src/config.rs	2
crates/c_api/src/func.rs	30
crates/wasmi/src/engine/code_map.rs	3
crates/collections/src/map.rs	2
crates/wasmi/src/module/mod.rs	2
crates/c_api/src/utils.rs	1
crates/core/src/memory/mod.rs	6
crates/wasmi/src/store/inner.rs	10
crates/collections/src/arena/guarded.rs	2
crates/wasmi/src/store/error.rs	1
crates/fuzz/src/oracle/exports.rs	1
crates/fuzz/src/oracle/wasmi_v1.rs	6
crates/core/src/simd.rs	1
crates/wasmi/src/limits.rs	1
crates/core/src/memory/ty.rs	5
crates/c_api/src/engine.rs	2
crates/wasmi/src/module/parser/buffered.rs	36
crates/wasmi/src/engine/translator/func/utils.rs	1
crates/wasmi/src/module/parser/mod.rs	66
crates/wasmi/src/reftype.rs	2
crates/c_api/src/ref.rs	2
crates/wasmi/src/module/utils.rs	10
crates/wasmi/src/module/builder.rs	12
crates/wasmi/src/engine/mod.rs	3
crates/collections/src/head_vec.rs	2
crates/core/src/table/ty.rs	1
crates/collections/src/hash.rs	1
crates/wasmi/src/linker.rs	27
crates/c_api/src/module.rs	13
crates/c_api/src/types/global.rs	1
crates/c_api/src/types/table.rs	1
crates/wasmi/tests/integration/resource_limiter.rs	3

Optimal target analysis

Remaining optimal interesting functions

The following table shows a list of functions that are optimal targets. Optimal targets are identified by finding the functions that in combination, yield a high code coverage.

Func name	Functions filename	Arg count	Args	Function depth	hitcount	instr count	bb count	cyclomatic complexity	Reachable functions	Incoming references	total cyclomatic complexity	Unreached complexity

Implementing fuzzers that target the above functions will improve reachability such that it becomes:

Functions statically reachable by fuzzers

33 / 3224

Cyclomatic complexity statically reachable by fuzzers

15 / 2211

All functions overview

If you implement fuzzers for these functions, the status of all functions in the project will be:

Func name	Functions filename	Args	Function call depth	Reached by Fuzzers	Runtime reached by Fuzzers	Combined reached by Fuzzers	Fuzzers runtime hit	Func lines hit %	I Count	BB Count	Cyclomatic complexity	Functions reached	Reached by functions	Accumulated cyclomatic complexity	Undiscovered complexity

This sections provides heuristics that can be used as input to a fuzz engine when running a given fuzz target. The current focus is on providing input that is usable by libFuzzer.

fuzz/fuzz_targets/translate.rs

Dictionary

Use this with the libFuzzer -dict=DICT.file flag

Fuzzer function priority

Use one of these functions as input to libfuzzer with flag: -focus_function name

-focus_function=['FuzzSmithConfig::arbitrary', 'ModuleParser::process_types', 'ModuleParser::consume_buffer', 'ModuleParser::parse_buffered_unchecked', 'Config::default_features', 'FuzzModule::wasm', 'ModuleParser::process_exports', 'Module::validate', 'GuardedEntity::entity_index', 'TableType::from_wasmparser']

fuzz/fuzz_targets/execute.rs

Dictionary

Use this with the libFuzzer -dict=DICT.file flag

Fuzzer function priority

Use one of these functions as input to libfuzzer with flag: -focus_function name

-focus_function=['LinkerError::missing_definition', 'ResourceLimiterRef::as_resource_limiter', 'proc_macro::TokenStream::element', 'StoreInner::try_resolve_memory_mut', 'FuzzSmithConfig::allow_execution', 'Module::func_types_cloned', 'ModuleParser::parse_buffered_data', 'ModuleParser::parse_buffered_unchecked', 'StoreLimitsBuilder::new', 'ModuleParser::process_types']

fuzz/fuzz_targets/differential.rs

Dictionary

Use this with the libFuzzer -dict=DICT.file flag

Fuzzer function priority

Use one of these functions as input to libfuzzer with flag: -focus_function name

-focus_function=['ResourceLimiterRef::as_resource_limiter', 'StoreInner::try_resolve_memory_mut', 'proc_macro::TokenStream::element', 'LinkerError::missing_definition', 'ModuleParser::parse_buffered_impl', 'Module::func_types_cloned', 'FuzzState::init_params', 'FuzzSmithConfig::allow_execution', 'FuzzModule::ensure_termination', 'WasmSource::into_bytes']

This section shows analysis of runtime coverage data.

For futher technical details on how this section is generated, please see the Glossary .

Complex functions with low coverage

Func name	Function total lines	Lines covered at runtime	percentage covered	Reached by fuzzers
wasmi_ir::op::Op as wasmi::engine::translator::comparator::TryIntoCmpSelectInstr::try_into_cmp_select_instr::wasmi::engine::translator::func::FuncTranslator::try_fuse_select::{closure:#0}	106	58	54.71%
wasmi_ir::op::Op as wasmi::engine::translator::comparator::CompareResult::compare_result	97	48	49.48%
wasmi_ir::op::Op::result_ref	600	278	46.33%
wasmi::linker::Linkerwasmi::limits::StoreLimits::process_import::&mut &mut wasmi::store::Storewasmi::limits::StoreLimits	40	12	30.0%
wasmi::module::Module::extract_imports::alloc::vec::Vecwasmi::instance::exports::Extern, &&mut wasmi::store::Storewasmi::limits::StoreLimits	62	15	24.19%
differential::FuzzState::assert_memories_match	32	7	21.87%
cranelift_assembler_x64::inst::Instcranelift_codegen::isa::x64::inst::external::CraneliftRegisters::is_available::&cranelift_codegen::isa::x64::inst::EmitInfo	1074	203	18.90%
cranelift_assembler_x64::inst::Instcranelift_codegen::isa::x64::inst::external::CraneliftRegisters::visit::cranelift_codegen::isa::x64::inst::external::RegallocVisitorcranelift_codegen::machinst::reg::OperandCollectorcranelift_codegen::machinst::vcode::VCodeBuildercranelift_codegen::isa::x64::lower::isle::generated_code::MInst::collect_operands::{closure:#0}	1074	171	15.92%
cranelift_assembler_x64::inst::Instcranelift_codegen::isa::x64::inst::external::CraneliftRegisters::visit::cranelift_codegen::isa::x64::inst::external::RegallocVisitorcranelift_codegen::machinst::vcode::VCodecranelift_codegen::isa::x64::lower::isle::generated_code::MInst::emit::{closure:#3}	1074	171	15.92%
cranelift_assembler_x64::inst::Instcranelift_codegen::isa::x64::inst::external::CraneliftRegisters::encode::cranelift_codegen::isa::x64::inst::external::AsmCodeSink	1074	212	19.73%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_cmove::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	155	15	9.677%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_lower::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	8064	2098	26.01%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_and::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	72	20	27.77%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_cmp::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	72	31	43.05%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_shr::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	57	14	24.56%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_xor::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	72	36	50.0%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_load::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	48	22	45.83%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_rotr::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	57	12	21.05%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_emit_fcmp::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	180	65	36.11%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_round::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	95	28	29.47%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_with_flags::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	82	31	37.80%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_or_raw::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	66	21	31.81%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_pcmpgt::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	48	10	20.83%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_add_raw::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	66	24	36.36%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_sub_mem::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	91	14	15.38%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_xor_mem::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	97	46	47.42%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_to_amode_add::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	110	49	44.54%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_x64_imul_imm::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	36	19	52.77%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_val_minus_one::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	47	11	23.40%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_is_nonzero_band::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	82	33	40.24%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_f32x4_insertlane::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	33	13	39.39%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_all_ones_or_all_zeros::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	69	27	39.13%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_value32_zeros_upper32::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	41	18	43.90%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_with_flags_side_effect::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	51	15	29.41%
cranelift_codegen::isa::x64::lower::isle::generated_code::constructor_consumes_flags_return_last::cranelift_codegen::machinst::isle::IsleContextcranelift_codegen::isa::x64::lower::isle::generated_code::MInst, cranelift_codegen::isa::x64::X64Backend	38	19	50.0%

New fuzzers

The below fuzzers are templates and suggestions for how to target the set of optimal functions above

This section shows which files and directories are considered in this report. The main reason for showing this is fuzz introspector may include more code in the reasoning than is desired. This section helps identify if too many files/directories are included, e.g. third party code, which may be irrelevant for the threat model. In the event too much is included, fuzz introspector supports a configuration file that can exclude data from the report. See the following link for more information on how to create a config file: link

Files in report

Source file	Reached by	Covered by
/src/wasmi/crates/c_api/src/types/func.rs	[]	[]
/src/wasmi/crates/c_api/src/types/import.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/stack/operands.rs	[]	[]
/src/wasmi/crates/wasmi/src/memory/data.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/executor/handler/dispatch/mod.rs	[]	[]
/src/wasmi/fuzz/fuzz_targets/execute.rs	['translate', 'execute', 'differential']	['execute']
/src/wasmi/crates/wasmi/src/func/ty.rs	[]	[]
/src/wasmi/crates/cli/src/context.rs	['differential']	['differential']
/src/wasmi/crates/wasmi/tests/integration/resource_limiter.rs	['execute', 'differential']	['execute', 'differential']
/src/wasmi/crates/wasmi/src/engine/translator/func/utils.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/engine/translator/func/simd/visit.rs	[]	[]
/src/wasmi/crates/c_api/src/trap.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/ir/src/op.rs	[]	[]
/src/wasmi/crates/wasi/tests/wasi_wat.rs	[]	[]
/src/wasmi/crates/c_api/src/val.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/engine/translator/func/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/instantiate/mod.rs	[]	[]
/src/wasmi/crates/wasmi/benches/benches.rs	[]	[]
/src/wasmi/crates/wasmi/src/table/element.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/block_type.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/global.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/executor/handler/exec.rs	[]	[]
/src/wasmi/crates/core/src/table/element.rs	[]	[]
/src/wasmi/crates/c_api/src/frame.rs	[]	[]
/src/wasmi/crates/cli/src/display.rs	[]	[]
/src/wasmi/crates/cli/src/utils.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/labels.rs	[]	[]
/src/wasmi/crates/wasmi/src/func/func_inout.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/data.rs	[]	[]
/src/wasmi/crates/fuzz/src/oracle/wasmtime.rs	[]	[]
/src/wasmi/crates/core/src/typed.rs	[]	[]
/src/wasmi/crates/wasmi/benches/bench/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/stack/locals.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/element.rs	[]	[]
/src/wasmi/crates/collections/src/string_interner.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/module/read.rs	[]	[]
/src/wasmi/crates/collections/src/arena/component_vec.rs	[]	[]
/src/wasmi/crates/collections/src/string_interner/detail.rs	[]	[]
/src/wasmi/crates/core/src/wasm.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/executor/handler/dispatch/backend/tail.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/comparator.rs	[]	[]
/src/wasmi/crates/wasmi/src/memory/mod.rs	[]	[]
/src/wasmi/crates/cli/tests/run.rs	[]	[]
/src/wasmi/crates/wasmi/src/store/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/error.rs	[]	[]
/src/wasmi/crates/wasmi/tests/integration/fuel_metering.rs	[]	[]
/src/wasmi/crates/wasmi/tests/integration/instantitation.rs	[]	[]
/src/wasmi/crates/wasmi/src/store/pruned.rs	[]	[]
/src/wasmi/crates/wasmi/src/linker.rs	['execute', 'differential']	['execute', 'differential']
/src/wasmi/crates/core/src/table/untyped.rs	[]	[]
/src/wasmi/crates/core/src/untyped.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/ir/src/span.rs	['translate', 'execute']	['translate', 'execute']
/src/wasmi/fuzz/fuzz_targets/differential.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasi/src/guest_memory.rs	[]	[]
/src/wasmi/crates/c_api/src/error.rs	['execute']	['execute']
/src/wasmi/crates/wasmi/src/engine/executor/handler/state.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/executor/handler/utils.rs	[]	[]
/src/wasmi/crates/c_api/src/types/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/instance/builder.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/utils.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/executor/handler/func.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/parser/mod.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/core/src/memory/tests.rs	[]	[]
/src/wasmi/crates/c_api/src/config.rs	['translate', 'execute', 'differential']	[]
/src/wasmi/crates/c_api/src/extern.rs	[]	[]
/src/wasmi/crates/cli/src/main.rs	[]	[]
/src/wasmi/crates/ir/build.rs	[]	[]
/src/wasmi/crates/wasmi/tests/integration/host_call_error.rs	[]	[]
/src/wasmi/crates/wasmi/src/tests.rs	[]	[]
/src/wasmi/crates/core/src/host_error.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/instantiate/error.rs	[]	[]
/src/wasmi/crates/fuzz/src/oracle/wasmi_v1.rs	['differential']	['differential']
/src/wasmi/crates/collections/src/map.rs	['execute', 'differential']	['execute', 'differential']
/src/wasmi/crates/fuzz/src/value.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/module/mod.rs	['execute', 'differential']	['execute', 'differential']
/src/wasmi/crates/core/src/table/tests.rs	[]	[]
/src/wasmi/crates/collections/src/arena/guarded.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/engine/translator/func/simd/op.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/mod.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wast/tests/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/error.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/tests/integration/call_host_via_engine.rs	[]	[]
/src/wasmi/crates/wasmi/tests/integration/host_calls_wasm.rs	[]	[]
/src/wasmi/crates/collections/src/arena/mod.rs	[]	[]
/src/wasmi/crates/ir/src/opcode.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/config.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/fuzz/fuzz_targets/translate.rs	['translate']	[]
/src/wasmi/crates/fuzz/src/error.rs	[]	[]
/src/wasmi/crates/fuzz/src/oracle/wasmi_v0.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/instantiate/tests.rs	[]	[]
/src/wasmi/crates/c_api/src/types/export.rs	[]	[]
/src/wasmi/crates/core/src/memory/ty.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/tests/integration/resumable_call.rs	[]	[]
/src/wasmi/crates/wasmi/src/store/typeid.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/resumable.rs	[]	[]
/src/wasmi/crates/fuzz/src/oracle/exports.rs	['differential']	['differential']
/src/wasmi/crates/ir/src/decode/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/layout.rs	[]	[]
/src/wasmi/crates/c_api/src/types/memory.rs	[]	[]
/src/wasmi/crates/ir/src/primitive.rs	[]	[]
/src/wasmi/crates/core/src/memory/buffer.rs	[]	[]
/src/wasmi/crates/wasmi/src/func/caller.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/core/src/fuel.rs	['translate', 'execute']	['translate', 'execute']
/src/wasmi/crates/wasmi/src/store/context.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/op.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/stack/control.rs	[]	[]
/src/wasmi/crates/wasmi/src/func/mod.rs	[]	[]
/src/wasmi/crates/cli/src/tests.rs	[]	[]
/src/wasmi/crates/wasmi/src/global.rs	[]	[]
/src/wasmi/crates/core/src/hint.rs	[]	[]
/src/wasmi/crates/core/src/simd.rs	['differential']	['differential']
/src/wasmi/crates/c_api/src/store.rs	['translate', 'execute', 'differential']	['execute', 'differential']
/src/wasmi/crates/ir/src/decode/op.rs	[]	[]
/src/wasmi/crates/c_api/src/ref.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/func/typed_func.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/init_expr.rs	[]	[]
/src/wasmi/crates/collections/src/head_vec.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/core/src/limiter.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/c_api/src/utils.rs	['execute', 'differential']	['execute', 'differential']
/src/wasmi/crates/wasmi/src/engine/func_types.rs	[]	[]
/src/wasmi/crates/core/src/value.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/core/src/table/error.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/utils.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/c_api/src/table.rs	[]	[]
/src/wasmi/crates/fuzz/src/oracle/mod.rs	[]	[]
/src/wasmi/crates/wast/src/lib.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/encoder.rs	[]	[]
/src/wasmi/crates/c_api/src/vec.rs	['translate', 'execute', 'differential']	[]
/src/wasmi/crates/c_api/src/types/extern.rs	[]	[]
/src/wasmi/crates/core/src/trap.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/import.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/executor/handler/exec/macros.rs	[]	[]
/src/wasmi/crates/wasmi/src/table/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/memory/ty.rs	[]	[]
/src/wasmi/crates/wasmi/src/instance/exports.rs	[]	[]
/src/wasmi/crates/core/src/memory/error.rs	[]	[]
/src/wasmi/crates/c_api/src/module.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/collections/src/hash.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/fuzz/src/oracle/wasmi.rs	[]	[]
/src/wasmi/crates/core/src/global.rs	[]	[]
/src/wasmi/crates/core/src/memory/mod.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/collections/src/arena/dedup.rs	[]	[]
/src/wasmi/crates/ir/src/encode.rs	[]	[]
/src/wasmi/crates/fuzz/src/module.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/fuzz/src/config.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/limits.rs	['differential']	['differential']
/src/wasmi/crates/wasmi/src/module/builder.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/module/custom_section.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/utils.rs	[]	[]
/src/wasmi/crates/wasmi/tests/integration/host_call_compilation.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/limits/engine.rs	[]	[]
/src/wasmi/crates/wasmi/src/instance/tests.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/limits/stack.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/visit.rs	[]	[]
/src/wasmi/crates/wasmi/tests/integration/host_call_instantiation.rs	[]	[]
/src/wasmi/crates/core/src/func_type.rs	[]	[]
/src/wasmi/crates/core/src/table/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/table/ty.rs	[]	[]
/src/wasmi/crates/c_api/src/memory.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/c_api/src/global.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/tests/integration/call_hook.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/executor/handler/eval.rs	[]	[]
/src/wasmi/crates/c_api/macro/lib.rs	['execute', 'differential']	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/locals.rs	[]	[]
/src/wasmi/crates/wasi/src/sync/snapshots/preview_1.rs	[]	[]
/src/wasmi/crates/c_api/src/engine.rs	['translate', 'execute', 'differential']	[]
/src/wasmi/crates/ir/src/index.rs	[]	[]
/src/wasmi/crates/c_api/src/types/global.rs	['execute', 'differential']	['execute', 'differential']
/src/wasmi/crates/wasmi/src/engine/translator/func/stack/operand.rs	[]	[]
/src/wasmi/crates/c_api/src/foreign.rs	[]	[]
/src/wasmi/crates/core/src/float.rs	[]	[]
/src/wasmi/crates/wasmi/tests/integration/func.rs	[]	[]
/src/wasmi/crates/c_api/src/types/val.rs	[]	[]
/src/wasmi/crates/core/src/index_ty.rs	[]	[]
/src/wasmi/crates/cli/src/args.rs	['translate', 'execute']	['translate', 'execute']
/src/wasmi/crates/core/src/memory/access.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/fuzz/src/crash_inputs.rs	[]	[]
/src/wasmi/crates/wasmi/src/func/into_func.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/driver.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/parser/buffered.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/collections/src/set.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/foreach_tuple.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/executor/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/store/inner.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/reftype.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/tests/integration/fuel_consumption.rs	[]	[]
/src/wasmi/crates/collections/src/tests.rs	[]	[]
/src/wasmi/crates/c_api/src/instance.rs	['execute', 'differential']	['execute', 'differential']
/src/wasmi/crates/wasmi/src/func/error.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/simd/mod.rs	[]	[]
/src/wasmi/crates/core/src/table/ty.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/c_api/src/types/table.rs	['execute', 'differential']	['execute', 'differential']
/src/wasmi/crates/wasmi/src/store/error.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/engine/executor/handler/exec/simd.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/translator/func/stack/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/module/export.rs	[]	[]
/src/wasmi/crates/wasmi/src/instance/mod.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/limits/tests.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/code_map.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/engine/traits.rs	[]	[]
/src/wasmi/crates/c_api/src/func.rs	['translate', 'execute', 'differential']	['translate', 'execute', 'differential']
/src/wasmi/crates/wasmi/src/value.rs	[]	[]
/src/wasmi/crates/wasmi/src/engine/executor/handler/dispatch/backend/loop.rs	[]	[]

Directories in report

Directory
/src/wasmi/crates/wasmi/src/engine/limits/
/src/wasmi/crates/wasmi/src/engine/translator/
/src/wasmi/crates/cli/src/
/src/wasmi/crates/cli/tests/
/src/wasmi/crates/c_api/src/types/
/src/wasmi/crates/fuzz/src/oracle/
/src/wasmi/crates/ir/src/
/src/wasmi/crates/wasmi/src/module/parser/
/src/wasmi/crates/wasmi/src/module/
/src/wasmi/crates/wasmi/src/engine/translator/func/
/src/wasmi/crates/wasmi/benches/bench/
/src/wasmi/crates/wasi/src/sync/snapshots/
/src/wasmi/crates/wasmi/src/engine/translator/func/simd/
/src/wasmi/crates/core/src/
/src/wasmi/crates/wast/tests/
/src/wasmi/crates/wasmi/src/module/instantiate/
/src/wasmi/crates/collections/src/
/src/wasmi/crates/wasmi/src/instance/
/src/wasmi/crates/collections/src/string_interner/
/src/wasmi/crates/wasmi/src/engine/executor/
/src/wasmi/crates/core/src/table/
/src/wasmi/crates/core/src/memory/
/src/wasmi/crates/collections/src/arena/
/src/wasmi/crates/wasmi/tests/integration/
/src/wasmi/crates/wasmi/src/engine/translator/func/stack/
/src/wasmi/fuzz/fuzz_targets/
/src/wasmi/crates/wasmi/src/store/
/src/wasmi/crates/wasmi/src/func/
/src/wasmi/crates/wasmi/src/engine/executor/handler/dispatch/
/src/wasmi/crates/wasmi/src/table/
/src/wasmi/crates/wasmi/src/engine/executor/handler/exec/
/src/wasmi/crates/fuzz/src/
/src/wasmi/crates/wasmi/src/memory/
/src/wasmi/crates/wasi/src/
/src/wasmi/crates/wasmi/src/engine/executor/handler/
/src/wasmi/crates/wasmi/src/engine/executor/handler/dispatch/backend/
/src/wasmi/crates/wasi/tests/
/src/wasmi/crates/ir/
/src/wasmi/crates/c_api/macro/
/src/wasmi/crates/wasmi/src/
/src/wasmi/crates/wast/src/
/src/wasmi/crates/wasmi/benches/
/src/wasmi/crates/c_api/src/
/src/wasmi/crates/ir/src/decode/
/src/wasmi/crates/wasmi/src/engine/

This section shows a list of 3rd party function calls and their relative coverage information. By static analysis of the target project code, all of the 3rd party function call and their caller information, including the source file and line number that initiate the call are captured. The caller source code file and line number are shown in column 2 while column 1 is the function name of the 3rd party function call. Each occurrent of the 3rd party function call will occuply a separate row. Column 3 of each row indicate if the 3rd party call in the source file line is unreachable. Column 4 lists all fuzzers that have covered that particular system call in that specific location (source file and line)during their dynamic fuzzing.

Function in each files in report

Target sink	Callsite location	Reached by fuzzer	Covered by Fuzzers