Fuzz introspector: round_trip_frame_uncompressed_fuzzer
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

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
1190 1190 1 :

['LZ4_compress_HC_continue']

1190 1190 LZ4F_compressBlockHC call site: 00000 /src/lz4/lib/lz4frame.c:950
1142 1142 1 :

['LZ4HC_compress_generic_dictCtx']

1142 1142 LZ4HC_compress_generic call site: 00000 /src/lz4/lib/lz4hc.c:1527
882 882 1 :

['LZ4_compress_fast_continue']

882 882 LZ4F_compressBlock call site: 00000 /src/lz4/lib/lz4frame.c:932
372 372 3 :

['LZ4_decompress_safe_forceExtDict', 'LZ4_decompress_safe_withSmallPrefix', 'LZ4_decompress_safe_withPrefix64k']

372 372 LZ4_decompress_safe_usingDict call site: 00292 /src/lz4/lib/lz4.c:2723
79 79 3 :

['LZ4F_returnErrorCode', 'LZ4_loadDictHC', 'LZ4_loadDict']

81 166 LZ4F_compressBegin_internal call site: 00080 /src/lz4/lib/lz4frame.c:781
20 20 1 :

['LZ4F_localSaveDict']

20 20 LZ4F_flush call site: 00186 /src/lz4/lib/lz4frame.c:1204
19 19 2 :

['LZ4_attach_dictionary', 'LZ4_resetStream_fast']

19 19 LZ4F_initStream call site: 00071 /src/lz4/lib/lz4frame.c:660
2 2 1 :

['LZ4F_writeLE64']

2 85 LZ4F_compressBegin_internal call site: 00118 /src/lz4/lib/lz4frame.c:811
2 2 1 :

['LZ4F_readLE64']

2 4 LZ4F_decodeHeader call site: 00260 /src/lz4/lib/lz4frame.c:1453
2 2 1 :

['LZ4F_returnErrorCode']

2 2 LZ4F_getBlockSize call site: 00029 /src/lz4/lib/lz4frame.c:338
2 2 1 :

['LZ4F_returnErrorCode']

2 2 LZ4F_compressEnd call site: 00234 /src/lz4/lib/lz4frame.c:1251
2 2 1 :

['LZ4F_returnErrorCode']

2 2 LZ4F_createDecompressionContext call site: 00242 /src/lz4/lib/lz4frame.c:1323

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 compress_independent_block_mode [function] [call site] 00001
2 FUZZ_dataProducer_create [function] [call site] 00002
3 fprintf [call site] 00003
3 abort [call site] 00004
2 FUZZ_dataProducer_preferences [function] [call site] 00005
3 FUZZ_dataProducer_frameInfo [function] [call site] 00006
4 FUZZ_dataProducer_range32 [function] [call site] 00007
5 FUZZ_dataProducer_retrieve32 [function] [call site] 00008
5 FUZZ_getRange_from_uint32 [function] [call site] 00009
4 FUZZ_dataProducer_range32 [function] [call site] 00010
4 FUZZ_dataProducer_range32 [function] [call site] 00011
4 FUZZ_dataProducer_range32 [function] [call site] 00012
3 FUZZ_dataProducer_range32 [function] [call site] 00013
3 FUZZ_dataProducer_range32 [function] [call site] 00014
3 FUZZ_dataProducer_range32 [function] [call site] 00015
2 compress_round_trip [function] [call site] 00016
3 FUZZ_dataProducer_retrieve32 [function] [call site] 00017
3 FUZZ_dataProducer_retrieve32 [function] [call site] 00018
3 FUZZ_dataProducer_remainingBytes [function] [call site] 00019
3 FUZZ_getRange_from_uint32 [function] [call site] 00020
3 FUZZ_getRange_from_uint32 [function] [call site] 00021
3 fprintf [call site] 00022
3 abort [call site] 00023
3 fprintf [call site] 00024
3 abort [call site] 00025
3 LZ4_compressBound [function] [call site] 00026
3 LZ4F_compressFrameBound [function] [call site] 00027
4 LZ4F_compressBound_internal [function] [call site] 00028
5 LZ4F_getBlockSize [function] [call site] 00029
6 LZ4F_returnErrorCode [function] [call site] 00030
3 fprintf [call site] 00031
3 abort [call site] 00032
3 fprintf [call site] 00033
3 abort [call site] 00034
3 LZ4F_createCompressionContext [function] [call site] 00035
4 __assert_fail [call site] 00036
4 LZ4F_returnErrorCode [function] [call site] 00037
4 LZ4F_createCompressionContext_advanced [function] [call site] 00038
5 LZ4F_calloc [function] [call site] 00039
6 calloc [call site] 00040
4 LZ4F_returnErrorCode [function] [call site] 00041
3 LZ4F_isError [function] [call site] 00042
3 fprintf [call site] 00043
3 abort [call site] 00044
3 LZ4F_compressBegin [function] [call site] 00045
4 LZ4F_compressBegin_internal [function] [call site] 00046
5 LZ4F_returnErrorCode [function] [call site] 00047
5 ctxTypeID_to_size [function] [call site] 00048
6 LZ4_sizeofState [function] [call site] 00049
6 LZ4_sizeofStateHC [function] [call site] 00050
5 ctxTypeID_to_size [function] [call site] 00051
5 LZ4F_free [function] [call site] 00052
5 LZ4F_malloc [function] [call site] 00053
5 LZ4_initStream [function] [call site] 00054
6 LZ4_stream_t_alignment [function] [call site] 00055
6 LZ4_isAligned [function] [call site] 00056
5 LZ4F_malloc [function] [call site] 00057
5 LZ4_initStreamHC [function] [call site] 00058
6 LZ4_streamHC_t_alignment [function] [call site] 00059
6 LZ4_isAligned [function] [call site] 00060
6 LZ4_setCompressionLevel [function] [call site] 00061
5 LZ4F_returnErrorCode [function] [call site] 00062
5 LZ4_initStream [function] [call site] 00063
5 LZ4_initStreamHC [function] [call site] 00064
5 LZ4_setCompressionLevel [function] [call site] 00065
5 LZ4F_getBlockSize [function] [call site] 00066
5 LZ4F_free [function] [call site] 00067
5 LZ4F_malloc [function] [call site] 00068
5 LZ4F_returnErrorCode [function] [call site] 00069
5 LZ4_XXH32_reset [function] [call site] 00070
5 LZ4F_initStream [function] [call site] 00071
6 LZ4_resetStream_fast [function] [call site] 00072
7 __assert_fail [call site] 00073
6 LZ4_attach_dictionary [function] [call site] 00074
6 LZ4_resetStreamHC_fast [function] [call site] 00075
7 LZ4_initStreamHC [function] [call site] 00076
7 __assert_fail [call site] 00077
7 LZ4_setCompressionLevel [function] [call site] 00078
6 LZ4_attach_HC_dictionary [function] [call site] 00079
5 LZ4_favorDecompressionSpeed [function] [call site] 00080
5 __assert_fail [call site] 00081
5 LZ4F_returnErrorCode [function] [call site] 00082
5 LZ4_loadDict [function] [call site] 00083
6 LZ4_loadDict_internal [function] [call site] 00084
7 LZ4_resetStream [function] [call site] 00085
7 LZ4_read_ARCH [function] [call site] 00086
7 LZ4_isLittleEndian [function] [call site] 00087
7 LZ4_read32 [function] [call site] 00088
7 __assert_fail [call site] 00089
7 LZ4_read_ARCH [function] [call site] 00090
7 LZ4_read32 [function] [call site] 00091
7 __assert_fail [call site] 00092
7 __assert_fail [call site] 00093
5 __assert_fail [call site] 00094
5 LZ4_loadDictHC [function] [call site] 00095
6 __assert_fail [call site] 00096
6 __assert_fail [call site] 00097
6 LZ4_initStreamHC [function] [call site] 00098
6 LZ4_setCompressionLevel [function] [call site] 00099
6 LZ4HC_getCLevelParams [function] [call site] 00100
6 LZ4HC_init_internal [function] [call site] 00101
7 __assert_fail [call site] 00102
7 LZ4HC_clearTables [function] [call site] 00103
6 LZ4MID_fillHTable [function] [call site] 00104
7 __assert_fail [call site] 00105
7 LZ4MID_hash4Ptr [function] [call site] 00106
8 LZ4_read32 [function] [call site] 00107
8 LZ4MID_hash4 [function] [call site] 00108
7 LZ4MID_hash8Ptr [function] [call site] 00109
8 LZ4_readLE64 [function] [call site] 00110
9 LZ4_isLittleEndian [function] [call site] 00111
9 LZ4_read64 [function] [call site] 00112
8 LZ4MID_hash7 [function] [call site] 00113
7 LZ4MID_hash8Ptr [function] [call site] 00114
6 __assert_fail [call site] 00115
6 LZ4HC_hashPtr [function] [call site] 00116
7 LZ4_read32 [function] [call site] 00117
5 LZ4F_writeLE32 [function] [call site] 00118
5 LZ4F_writeLE64 [function] [call site] 00119
5 LZ4F_writeLE32 [function] [call site] 00120
5 LZ4F_headerChecksum [function] [call site] 00121
6 LZ4_XXH32 [function] [call site] 00122
7 XXH_isLittleEndian [function] [call site] 00123
7 XXH_read32 [function] [call site] 00124
7 XXH_swap32 [function] [call site] 00125
7 XXH32_round [function] [call site] 00126
7 XXH_read32 [function] [call site] 00127
7 XXH_swap32 [function] [call site] 00128
7 XXH_read32 [function] [call site] 00129
7 XXH_swap32 [function] [call site] 00130
7 XXH_read32 [function] [call site] 00131
7 XXH_swap32 [function] [call site] 00132
7 XXH32_finalize [function] [call site] 00133
8 XXH_read32 [function] [call site] 00134
8 XXH_swap32 [function] [call site] 00135
8 XXH_read32 [function] [call site] 00136
8 XXH_swap32 [function] [call site] 00137
8 XXH_read32 [function] [call site] 00138
8 XXH_swap32 [function] [call site] 00139
8 XXH32_avalanche [function] [call site] 00140
8 XXH_read32 [function] [call site] 00141
8 XXH_swap32 [function] [call site] 00142
8 XXH_read32 [function] [call site] 00143
8 XXH_swap32 [function] [call site] 00144
8 XXH_read32 [function] [call site] 00145
8 XXH_swap32 [function] [call site] 00146
8 XXH32_avalanche [function] [call site] 00147
8 XXH_read32 [function] [call site] 00148
8 XXH_swap32 [function] [call site] 00149
8 XXH_read32 [function] [call site] 00150
8 XXH_swap32 [function] [call site] 00151
8 XXH_read32 [function] [call site] 00152
8 XXH_swap32 [function] [call site] 00153
8 XXH32_avalanche [function] [call site] 00154
8 XXH_read32 [function] [call site] 00155
8 XXH_swap32 [function] [call site] 00156
8 XXH_read32 [function] [call site] 00157
8 XXH_swap32 [function] [call site] 00158
8 XXH_read32 [function] [call site] 00159
8 XXH_swap32 [function] [call site] 00160
8 XXH32_avalanche [function] [call site] 00161
8 __assert_fail [call site] 00162
7 XXH32_round [function] [call site] 00163
7 XXH32_finalize [function] [call site] 00164
3 LZ4F_isError [function] [call site] 00165
3 fprintf [call site] 00166
3 abort [call site] 00167
3 LZ4F_compressUpdate [function] [call site] 00168
4 LZ4F_compressUpdateImpl [function] [call site] 00169
5 __assert_fail [call site] 00170
5 LZ4F_selectCompression [function] [call site] 00171
5 LZ4F_returnErrorCode [function] [call site] 00172
5 LZ4F_compressBound_internal [function] [call site] 00173
5 LZ4F_returnErrorCode [function] [call site] 00174
5 LZ4F_returnErrorCode [function] [call site] 00175
5 LZ4F_flush [function] [call site] 00176
6 LZ4F_returnErrorCode [function] [call site] 00177
6 LZ4F_returnErrorCode [function] [call site] 00178
6 LZ4F_selectCompression [function] [call site] 00179
6 LZ4F_makeBlock [function] [call site] 00180
7 __assert_fail [call site] 00181
7 LZ4F_writeLE32 [function] [call site] 00182
7 LZ4F_writeLE32 [function] [call site] 00183
7 LZ4_XXH32 [function] [call site] 00184
7 LZ4F_writeLE32 [function] [call site] 00185
6 __assert_fail [call site] 00186
6 __assert_fail [call site] 00187
6 LZ4F_localSaveDict [function] [call site] 00188
7 LZ4_saveDict [function] [call site] 00189
8 __assert_fail [call site] 00190
8 __assert_fail [call site] 00191
7 LZ4_saveDictHC [function] [call site] 00192
8 __assert_fail [call site] 00193
8 __assert_fail [call site] 00194
5 __assert_fail [call site] 00195
5 LZ4F_makeBlock [function] [call site] 00196
5 LZ4F_makeBlock [function] [call site] 00197
5 LZ4F_makeBlock [function] [call site] 00198
5 __assert_fail [call site] 00199
5 LZ4F_localSaveDict [function] [call site] 00200
5 LZ4F_localSaveDict [function] [call site] 00201
5 __assert_fail [call site] 00202
5 LZ4_XXH32_update [function] [call site] 00203
6 XXH_isLittleEndian [function] [call site] 00204
6 XXH_memcpy [function] [call site] 00205
6 XXH_read32 [function] [call site] 00206
6 XXH_swap32 [function] [call site] 00207
6 XXH32_round [function] [call site] 00208
6 XXH_memcpy [function] [call site] 00209
6 XXH32_round [function] [call site] 00210
3 LZ4F_isError [function] [call site] 00211
3 fprintf [call site] 00212
3 abort [call site] 00213
3 LZ4F_uncompressedUpdate [function] [call site] 00214
4 LZ4F_compressUpdateImpl [function] [call site] 00215
3 LZ4F_isError [function] [call site] 00216
3 fprintf [call site] 00217
3 abort [call site] 00218
3 LZ4F_compressUpdate [function] [call site] 00219
3 LZ4F_isError [function] [call site] 00220
3 fprintf [call site] 00221
3 abort [call site] 00222
3 LZ4F_compressEnd [function] [call site] 00223
4 LZ4F_flush [function] [call site] 00224
4 LZ4F_isError [function] [call site] 00225
4 __assert_fail [call site] 00226
4 LZ4F_returnErrorCode [function] [call site] 00227
4 LZ4F_writeLE32 [function] [call site] 00228
4 LZ4_XXH32_digest [function] [call site] 00229
5 XXH_isLittleEndian [function] [call site] 00230
5 XXH32_finalize [function] [call site] 00231
5 XXH32_finalize [function] [call site] 00232
4 LZ4F_returnErrorCode [function] [call site] 00233
4 LZ4F_writeLE32 [function] [call site] 00234
4 LZ4F_returnErrorCode [function] [call site] 00235
3 LZ4F_isError [function] [call site] 00236
3 fprintf [call site] 00237
3 abort [call site] 00238
3 LZ4F_createDecompressionContext [function] [call site] 00239
4 __assert_fail [call site] 00240
4 LZ4F_returnErrorCode [function] [call site] 00241
4 LZ4F_createDecompressionContext_advanced [function] [call site] 00242
5 LZ4F_calloc [function] [call site] 00243
4 LZ4F_returnErrorCode [function] [call site] 00244
3 fprintf [call site] 00245
3 abort [call site] 00246
3 decompress [function] [call site] 00247
4 LZ4F_decompress [function] [call site] 00248
5 __assert_fail [call site] 00249
5 __assert_fail [call site] 00250
5 LZ4F_decodeHeader [function] [call site] 00251
6 LZ4F_returnErrorCode [function] [call site] 00252
6 LZ4F_readLE32 [function] [call site] 00253
6 LZ4F_returnErrorCode [function] [call site] 00254
6 LZ4F_returnErrorCode [function] [call site] 00255
6 LZ4F_returnErrorCode [function] [call site] 00256
6 LZ4F_returnErrorCode [function] [call site] 00257
6 LZ4F_returnErrorCode [function] [call site] 00258
6 __assert_fail [call site] 00259
6 LZ4F_getBlockSize [function] [call site] 00260
6 LZ4F_readLE64 [function] [call site] 00261
6 LZ4F_readLE32 [function] [call site] 00262
5 LZ4F_isError [function] [call site] 00263
5 LZ4F_decodeHeader [function] [call site] 00264
5 LZ4F_isError [function] [call site] 00265
5 LZ4_XXH32_reset [function] [call site] 00266
5 LZ4F_free [function] [call site] 00267
5 LZ4F_malloc [function] [call site] 00268
5 LZ4F_returnErrorCode [function] [call site] 00269
5 LZ4F_free [function] [call site] 00270
5 LZ4F_malloc [function] [call site] 00271
5 LZ4F_returnErrorCode [function] [call site] 00272
5 LZ4F_readLE32 [function] [call site] 00273
5 LZ4F_returnErrorCode [function] [call site] 00274
5 LZ4_XXH32_reset [function] [call site] 00275
5 LZ4_XXH32_update [function] [call site] 00276
5 LZ4_XXH32_update [function] [call site] 00277
5 LZ4F_updateDict [function] [call site] 00278
6 __assert_fail [call site] 00279
6 __assert_fail [call site] 00280
6 __assert_fail [call site] 00281
6 __assert_fail [call site] 00282
6 __assert_fail [call site] 00283
6 __assert_fail [call site] 00284
5 LZ4F_readLE32 [function] [call site] 00285
5 LZ4_XXH32_digest [function] [call site] 00286
5 __assert_fail [call site] 00287
5 __assert_fail [call site] 00288
5 LZ4F_readLE32 [function] [call site] 00289
5 LZ4_XXH32 [function] [call site] 00290
5 __assert_fail [call site] 00291
5 LZ4_decompress_safe_usingDict [function] [call site] 00292
6 LZ4_decompress_safe [function] [call site] 00293
7 __assert_fail [call site] 00294
7 __assert_fail [call site] 00295
7 LZ4_readLE16 [function] [call site] 00296
8 LZ4_isLittleEndian [function] [call site] 00297
8 LZ4_read16 [function] [call site] 00298
7 __assert_fail [call site] 00299
7 __assert_fail [call site] 00300
7 __assert_fail [call site] 00301
7 LZ4_write32 [function] [call site] 00302
7 __assert_fail [call site] 00303
7 __assert_fail [call site] 00304
7 LZ4_write32 [function] [call site] 00305
6 LZ4_decompress_safe_withPrefix64k [function] [call site] 00306
7 __assert_fail [call site] 00307
7 LZ4_readLE16 [function] [call site] 00308
7 LZ4_write32 [function] [call site] 00309
6 __assert_fail [call site] 00310
6 LZ4_decompress_safe_withSmallPrefix [function] [call site] 00311
7 __assert_fail [call site] 00312
7 LZ4_readLE16 [function] [call site] 00313
7 LZ4_write32 [function] [call site] 00314
6 __assert_fail [call site] 00315
6 LZ4_decompress_safe_forceExtDict [function] [call site] 00316
7 __assert_fail [call site] 00317
7 LZ4_readLE16 [function] [call site] 00318
7 LZ4_write32 [function] [call site] 00319
5 LZ4F_returnErrorCode [function] [call site] 00320
5 LZ4_XXH32_update [function] [call site] 00321
5 LZ4F_updateDict [function] [call site] 00322
5 LZ4_decompress_safe_usingDict [function] [call site] 00323
5 LZ4F_returnErrorCode [function] [call site] 00324
5 LZ4_XXH32_update [function] [call site] 00325
5 LZ4F_updateDict [function] [call site] 00326
5 LZ4F_returnErrorCode [function] [call site] 00327
5 LZ4F_resetDecompressionContext [function] [call site] 00328
5 LZ4F_readLE32 [function] [call site] 00329
5 LZ4_XXH32_digest [function] [call site] 00330
5 LZ4F_resetDecompressionContext [function] [call site] 00331
5 LZ4F_readLE32 [function] [call site] 00332
5 LZ4F_resetDecompressionContext [function] [call site] 00333
5 __assert_fail [call site] 00334
4 LZ4F_isError [function] [call site] 00335
4 fprintf [call site] 00336
4 abort [call site] 00337
4 fprintf [call site] 00338
4 abort [call site] 00339
3 LZ4F_freeDecompressionContext [function] [call site] 00340
4 LZ4F_free [function] [call site] 00341
4 LZ4F_free [function] [call site] 00342
4 LZ4F_free [function] [call site] 00343
3 memcmp [call site] 00344
3 fprintf [call site] 00345
3 abort [call site] 00346
3 FUZZ_dataProducer_free [function] [call site] 00347
3 LZ4F_freeCompressionContext [function] [call site] 00348
4 LZ4F_free [function] [call site] 00349
4 LZ4F_free [function] [call site] 00350
4 LZ4F_free [function] [call site] 00351