High level conclusions

Fuzzers reach 74.79% code coverage.

Fuzzers reach 12.22% of cyclomatic complexity.

Fuzzers reach 13.27% of all functions.

Reachability and coverage overview

Functions statically reachable by fuzzers

49 / 369

Cyclomatic complexity statically reachable by fuzzers

257 / 2103

Runtime code coverage of functions

276 / 369

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	Fuzzers runtime hit	Func lines hit %	I Count	BB Count	Cyclomatic complexity	Functions reached	Reached by functions	Accumulated cyclomatic complexity	Undiscovered complexity

Fuzzer: fuzz_decode_alone

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	5	26.3%
gold	[1:9]	0	0.0%
yellow	[10:29]	0	0.0%
greenyellow	[30:49]	0	0.0%
lawngreen	50+	14	73.6%
All colors	19	100

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity	Unique Reachable Complexities	Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
2	2	1 : View List ['abort']	2	2	fuzz_code	call site: 00015	/src/xz/tests/ossfuzz/./fuzz_common.h:51
0	4	1 : View List ['lzma_free']	0	4	lzma_next_end	call site: 00006	/src/xz/src/liblzma/common/common.c:152
0	0	None	0	46	lzma_decode	call site: 00000	/src/xz/src/liblzma/lzma/lzma_decoder.c:680
0	0	None	0	28	lzma_decoder_init	call site: 00000	/src/xz/src/liblzma/lzma/lzma_decoder.c:1148
0	0	None	0	25	alone_decode	call site: 00000	/src/xz/src/liblzma/common/alone_decoder.c:76
0	0	None	0	13	lz_decode	call site: 00000	/src/xz/src/liblzma/lz/lz_decoder.c:149
0	0	None	0	12	lzma_lz_decoder_init	call site: 00000	/src/xz/src/liblzma/lz/lz_decoder.c:293
0	0	None	0	4	lz_decoder_end	call site: 00000	/src/xz/src/liblzma/lz/lz_decoder.c:208
0	0	None	0	4	lzma_lzma_decoder_memusage	call site: 00000	/src/xz/src/liblzma/lzma/lzma_decoder.c:1226
0	0	None	0	2	decode_buffer	call site: 00000	/src/xz/src/liblzma/lz/lz_decoder.c:115
0	0	None	0	0	lzma_alone_decoder_init	call site: 00005	/src/xz/src/liblzma/common/alone_decoder.c:215
0	0	None	0	0	alone_decode	call site: 00000	/src/xz/src/liblzma/common/alone_decoder.c:116

Runtime coverage analysis

Covered functions

37

Functions that are reachable but not covered

2

Reachable functions

12

Percentage of reachable functions covered

83.33%

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
/src/xz/tests/ossfuzz/fuzz_decode_alone.c	1
/src/xz/src/liblzma/common/alone_decoder.c	2
/src/xz/src/liblzma/common/common.c	6
/src/xz/tests/ossfuzz/./fuzz_common.h	1

Fuzzer: fuzz_encode_stream

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	19	24.3%
gold	[1:9]	0	0.0%
yellow	[10:29]	0	0.0%
greenyellow	[30:49]	0	0.0%
lawngreen	50+	59	75.6%
All colors	78	100

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity	Unique Reachable Complexities	Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
42	42	1 : View List ['encode_eopm']	42	57	lzma_lzma_encode	call site: 00000	/src/xz/src/liblzma/lzma/lzma_encoder.c:418
4	4	2 : View List ['ctz32', 'bsr32']	4	4	index_tree_append	call site: 00031	/src/xz/src/liblzma/common/index.c:239
2	2	1 : View List ['move_window']	2	5	fill_window	call site: 00000	/src/xz/src/liblzma/lz/lz_encoder.c:87
2	2	1 : View List ['abort']	2	2	fuzz_code	call site: 00074	/src/xz/tests/ossfuzz/./fuzz_common.h:51
0	56	5 : View List ['my_load128', 'keep_high_bytes', 'shift_right', 'fold', 'fold_xor']	0	60	crc32_arch_optimized	call site: 00000	/src/xz/src/liblzma/check/crc_x86_clmul.h:204
0	15	1 : View List ['index_tree_next']	0	35	lzma_index_iter_next	call site: 00000	/src/xz/src/liblzma/common/index.c:1204
0	8	1 : View List ['lzma_vli_encode']	0	37	lzma_block_header_encode	call site: 00000	/src/xz/src/liblzma/common/block_header_encoder.c:99
0	8	2 : View List ['read64le', 'shift_left']	0	8	crc32_arch_optimized	call site: 00000	/src/xz/src/liblzma/check/crc_x86_clmul.h:214
0	8	1 : View List ['lzma_next_end']	0	8	lzma_raw_coder_init	call site: 00060	/src/xz/src/liblzma/common/filter_common.c:343
0	8	1 : View List ['lzma_free']	0	8	lz_encoder_init	call site: 00000	/src/xz/src/liblzma/lz/lz_encoder.c:426
0	4	1 : View List ['lzma_free']	0	4	lzma_next_end	call site: 00010	/src/xz/src/liblzma/common/common.c:152
0	4	1 : View List ['lzma_free']	0	4	lzma_index_init	call site: 00027	/src/xz/src/liblzma/common/index.c:405

Runtime coverage analysis

Covered functions

175

Functions that are reachable but not covered

5

Reachable functions

46

Percentage of reachable functions covered

89.13%

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
/src/xz/tests/ossfuzz/fuzz_encode_stream.c	1
/src/xz/src/liblzma/lzma/lzma_encoder_presets.c	1
/src/xz/src/liblzma/common/stream_encoder.c	4
/src/xz/src/liblzma/common/common.c	7
/src/xz/src/liblzma/common/index.c	9
/src/xz/src/liblzma/../../src/common/tuklib_integer.h	3
/src/xz/src/liblzma/common/stream_flags_encoder.c	2
/src/xz/src/liblzma/check/crc32_fast.c	1
/src/xz/src/liblzma/common/filter_common.c	4
/src/xz/src/liblzma/common/block_header_encoder.c	1
/src/xz/src/liblzma/common/vli_size.c	1
/src/xz/src/liblzma/common/filter_flags_encoder.c	1
/src/xz/src/liblzma/common/filter_encoder.c	4
/src/xz/src/liblzma/common/block_encoder.c	1
/src/xz/src/liblzma/check/check.c	2
/src/xz/src/liblzma/check/sha256.c	1
/src/xz/tests/ossfuzz/./fuzz_common.h	1

Fuzzer: fuzz_decode_stream

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	5	20.0%
gold	[1:9]	0	0.0%
yellow	[10:29]	0	0.0%
greenyellow	[30:49]	0	0.0%
lawngreen	50+	20	80.0%
All colors	25	100

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity	Unique Reachable Complexities	Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
2	2	1 : View List ['abort']	2	2	fuzz_code	call site: 00021	/src/xz/tests/ossfuzz/./fuzz_common.h:51
0	25	1 : View List ['lzma_check_update']	4	59	block_decode	call site: 00000	/src/xz/src/liblzma/common/block_decoder.c:128
0	4	1 : View List ['lzma_free']	0	4	lzma_next_end	call site: 00006	/src/xz/src/liblzma/common/common.c:152
0	3	1 : View List ['lzma_bufcpy']	0	3	copy_or_code	call site: 00000	/src/xz/src/liblzma/simple/simple_coder.c:27
0	0	None	4	9	block_decode	call site: 00000	/src/xz/src/liblzma/common/block_decoder.c:172
0	0	None	2	447	stream_decode	call site: 00000	/src/xz/src/liblzma/common/stream_decoder.c:150
0	0	None	2	447	stream_decode	call site: 00000	/src/xz/src/liblzma/common/stream_decoder.c:330
0	0	None	0	84	lzma_block_header_decode	call site: 00000	/src/xz/src/liblzma/common/block_header_decoder.c:38
0	0	None	0	59	lzma_block_decoder_init	call site: 00000	/src/xz/src/liblzma/common/block_decoder.c:223
0	0	None	0	46	lzma_decode	call site: 00000	/src/xz/src/liblzma/lzma/lzma_decoder.c:680
0	0	None	0	23	lzma_lz_decoder_init	call site: 00000	/src/xz/src/liblzma/lz/lz_decoder.c:254
0	0	None	0	20	lzma_raw_coder_init	call site: 00000	/src/xz/src/liblzma/common/filter_common.c:308

Runtime coverage analysis

Covered functions

141

Functions that are reachable but not covered

2

Reachable functions

16

Percentage of reachable functions covered

87.5%

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
/src/xz/tests/ossfuzz/fuzz_decode_stream.c	1
/src/xz/src/liblzma/common/stream_decoder.c	3
/src/xz/src/liblzma/common/common.c	6
/src/xz/src/liblzma/common/index_hash.c	1
/src/xz/src/liblzma/check/check.c	1
/src/xz/src/liblzma/check/sha256.c	1
/src/xz/tests/ossfuzz/./fuzz_common.h	1

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
lzma2_encode	/src/xz/src/liblzma/lzma/lzma2_encoder.c	5	['N/A', 'N/A', 'N/A', 'N/A', 'size_t']	6	0	362	42	12	63	0	395	395
stream_decode	/src/xz/src/liblzma/common/stream_decoder.c	9	['N/A', 'N/A', 'N/A', 'N/A', 'size_t', 'N/A', 'N/A', 'size_t', 'int']	6	0	715	101	33	51	0	307	231
lzma_decode	/src/xz/src/liblzma/lzma/lzma_decoder.c	5	['N/A', 'N/A', 'N/A', 'N/A', 'size_t']	2	0	5182	617	127	7	0	149	149
stream_encode	/src/xz/src/liblzma/common/stream_encoder.c	9	['N/A', 'N/A', 'N/A', 'N/A', 'size_t', 'N/A', 'N/A', 'size_t', 'int']	7	0	388	50	15	43	0	226	87
lzma_lzma2_encoder_init	/src/xz/src/liblzma/lzma/lzma2_encoder.c	3	['N/A', 'N/A', 'N/A']	7	0	24	3	2	24	0	131	66
lzma_index_buffer_encode	/src/xz/src/liblzma/common/index_encoder.c	4	['N/A', 'N/A', 'N/A', 'size_t']	6	0	108	18	8	16	0	83	56
lzma_mf_bt4_find	/src/xz/src/liblzma/lz/lz_encoder_mf.c	2	['N/A', 'N/A']	2	0	485	44	16	8	0	58	52
lzma_lzma_decoder_init	/src/xz/src/liblzma/lzma/lzma_decoder.c	3	['N/A', 'N/A', 'N/A']	4	0	24	3	2	12	0	67	44

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

Functions statically reachable by fuzzers

197 / 369

Cyclomatic complexity statically reachable by fuzzers

1333 / 2103

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	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.

/src/xz/tests/ossfuzz/fuzz_decode_alone.c

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=['lzma_end', 'fuzz_code', 'lzma_alone_decoder_init']

/src/xz/tests/ossfuzz/fuzz_encode_stream.c

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=['LLVMFuzzerTestOneInput', 'index_tree_end', 'lzma_index_init', 'block_encoder_init', 'lzma_end', 'fuzz_code', 'stream_encoder_init', 'index_stream_init', 'lzma_filters_copy']

/src/xz/tests/ossfuzz/fuzz_decode_stream.c

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=['lzma_end', 'fuzz_code', 'lzma_stream_decoder_init']

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
lz_decode	39	5	12.82%	[]
index_tree_append	37	12	32.43%	['fuzz_encode_stream']

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/xz/src/liblzma/common/block_util.c	[]	[]
/src/xz/src/liblzma/common/stream_flags_common.h	[]	[]
/src/xz/src/liblzma/simple/sparc.c	[]	[]
/src/xz/src/liblzma/../../src/common/tuklib_integer.h	['fuzz_encode_stream']	[]
/src/xz/tests/ossfuzz/fuzz_encode_stream.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/src/liblzma/simple/arm64.c	[]	[]
/src/xz/src/liblzma/simple/simple_decoder.c	[]	[]
/src/xz/src/liblzma/common/index_encoder.c	[]	[]
/src/xz/src/liblzma/../../src/liblzma/rangecoder/range_encoder.h	[]	[]
/src/xz/src/liblzma/simple/x86.c	[]	[]
/src/xz/src/liblzma/delta/delta_decoder.c	[]	[]
/src/xz/src/liblzma/simple/arm.c	[]	[]
/src/xz/src/liblzma/common/block_decoder.c	[]	[]
/src/xz/src/liblzma/common/filter_flags_decoder.c	[]	[]
/src/xz/src/liblzma/lz/lz_decoder.c	[]	[]
/src/xz/src/liblzma/common/block_header_decoder.c	[]	[]
/src/xz/src/liblzma/check/crc32_fast.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/tests/ossfuzz/./fuzz_common.h	['fuzz_decode_alone', 'fuzz_encode_stream', 'fuzz_decode_stream']	[]
/src/xz/src/liblzma/common/stream_decoder.c	['fuzz_decode_stream']	['fuzz_decode_stream']
/src/xz/src/liblzma/common/vli_decoder.c	[]	[]
/src/xz/src/liblzma/common/index.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/src/liblzma/common/vli_encoder.c	[]	[]
/src/xz/src/liblzma/common/filter_decoder.c	[]	[]
/src/xz/src/liblzma/lzma/lzma2_decoder.c	[]	[]
/src/xz/src/liblzma/common/stream_flags_encoder.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/src/liblzma/lzma/lzma2_encoder.c	[]	[]
/src/xz/src/liblzma/check/check.c	['fuzz_encode_stream', 'fuzz_decode_stream']	['fuzz_encode_stream', 'fuzz_decode_stream']
/src/xz/src/liblzma/simple/powerpc.c	[]	[]
/src/xz/src/liblzma/common/index.h	[]	[]
/src/xz/src/liblzma/common/common.c	['fuzz_decode_alone', 'fuzz_encode_stream', 'fuzz_decode_stream']	['fuzz_decode_alone', 'fuzz_encode_stream', 'fuzz_decode_stream']
/src/xz/src/liblzma/lzma/lzma_common.h	[]	[]
/src/xz/src/liblzma/common/index_hash.c	['fuzz_decode_stream']	['fuzz_decode_stream']
/src/xz/src/liblzma/common/filter_flags_encoder.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/src/liblzma/delta/delta_encoder.c	[]	[]
/src/xz/src/liblzma/delta/delta_common.c	[]	[]
/src/xz/src/liblzma/lzma/lzma_decoder.c	[]	[]
/src/xz/src/liblzma/simple/ia64.c	[]	[]
/src/xz/src/liblzma/common/vli_size.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/src/liblzma/common/block_encoder.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/src/liblzma/check/sha256.c	['fuzz_encode_stream', 'fuzz_decode_stream']	['fuzz_decode_stream']
/src/xz/src/liblzma/lzma/lzma_encoder_optimum_fast.c	[]	[]
/src/xz/src/liblzma/common/filter_encoder.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/src/liblzma/simple/simple_coder.c	[]	[]
/src/xz/src/liblzma/common/stream_flags_common.c	[]	[]
/src/xz/src/liblzma/common/filter_common.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/src/liblzma/../../src/liblzma/rangecoder/price.h	[]	[]
/src/xz/src/liblzma/check/crc_x86_clmul.h	[]	[]
/src/xz/src/liblzma/common/alone_decoder.c	['fuzz_decode_alone']	['fuzz_decode_alone']
/src/xz/src/liblzma/../../src/liblzma/lz/lz_encoder.h	[]	[]
/src/xz/src/liblzma/lz/lz_encoder.h	[]	[]
/src/xz/src/liblzma/common/block_header_encoder.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/tests/ossfuzz/fuzz_decode_stream.c	['fuzz_decode_stream']	['fuzz_decode_stream']
/src/xz/src/liblzma/../../src/liblzma/lz/lz_decoder.h	[]	[]
/src/xz/src/liblzma/check/crc64_fast.c	[]	[]
/src/xz/src/liblzma/common/stream_flags_decoder.c	[]	[]
/src/xz/src/liblzma/lz/lz_encoder_mf.c	[]	[]
/src/xz/src/liblzma/../../src/liblzma/rangecoder/range_decoder.h	[]	[]
/src/xz/tests/ossfuzz/fuzz_decode_alone.c	['fuzz_decode_alone']	['fuzz_decode_alone']
/src/xz/src/liblzma/lzma/lzma_encoder.c	[]	[]
/src/xz/src/liblzma/simple/simple_encoder.c	[]	[]
/src/xz/src/liblzma/lz/lz_encoder.c	[]	[]
/src/xz/src/liblzma/simple/riscv.c	[]	[]
/src/xz/src/liblzma/lzma/lzma_encoder_optimum_normal.c	[]	[]
/usr/local/lib/clang/18/include/cpuid.h	[]	[]
/src/xz/src/liblzma/common/stream_encoder.c	['fuzz_encode_stream']	['fuzz_encode_stream']
/src/xz/src/liblzma/lzma/fastpos.h	[]	[]
/src/xz/src/liblzma/simple/armthumb.c	[]	[]
/src/xz/src/liblzma/lzma/lzma_encoder_presets.c	['fuzz_encode_stream']	['fuzz_encode_stream']

Directories in report

Directory
/src/xz/src/liblzma/simple/
/src/xz/src/liblzma/common/
/src/xz/tests/ossfuzz/./
/src/xz/src/liblzma/../../src/liblzma/rangecoder/
/src/xz/src/liblzma/delta/
/src/xz/src/liblzma/lz/
/src/xz/src/liblzma/lzma/
/src/xz/src/liblzma/../../src/liblzma/lz/
/src/xz/src/liblzma/check/
/src/xz/tests/ossfuzz/
/src/xz/src/liblzma/../../src/common/
/usr/local/lib/clang/18/include/