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
1447 1447 1 :

['LZ4_compress_HC_continue']

1447 1447 LZ4F_compressBlockHC call site: 00149 /src/lz4/lib/lz4frame.c:876
1406 1406 1 :

['LZ4HC_compress_generic_dictCtx']

1406 1406 LZ4HC_compress_generic call site: 00168 /src/lz4/lib/lz4hc.c:930
870 870 1 :

['LZ4_compress_fast_continue']

870 870 LZ4F_compressBlock call site: 00092 /src/lz4/lib/lz4frame.c:858
354 354 3 :

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

354 354 LZ4_decompress_safe_usingDict call site: 00376 /src/lz4/lib/lz4.c:2643
20 20 1 :

['LZ4F_localSaveDict']

20 20 LZ4F_flush call site: 00265 /src/lz4/lib/lz4frame.c:1132
14 14 1 :

['LZ4_resetStream_fast']

14 19 LZ4F_initStream call site: 00063 /src/lz4/lib/lz4frame.c:644
2 2 1 :

['LZ4F_writeLE64']

2 85 LZ4F_compressBegin_usingCDict call site: 00073 /src/lz4/lib/lz4frame.c:768
2 2 1 :

['LZ4F_readLE64']

2 4 LZ4F_decodeHeader call site: 00346 /src/lz4/lib/lz4frame.c:1370
2 2 1 :

['LZ4F_returnErrorCode']

2 2 LZ4F_getBlockSize call site: 00025 /src/lz4/lib/lz4frame.c:330
2 2 1 :

['LZ4F_returnErrorCode']

2 2 LZ4F_compressEnd call site: 00323 /src/lz4/lib/lz4frame.c:1179
2 2 1 :

['LZ4F_returnErrorCode']

2 2 LZ4F_createDecompressionContext call site: 00330 /src/lz4/lib/lz4frame.c:1251
0 43 1 :

['LZ4F_initStream']

2 132 LZ4F_compressBegin_usingCDict call site: 00062 /src/lz4/lib/lz4frame.c:745

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
2 FUZZ_dataProducer_preferences [function] [call site] 00004
3 FUZZ_dataProducer_frameInfo [function] [call site] 00005
4 FUZZ_dataProducer_range32 [function] [call site] 00006
5 FUZZ_dataProducer_retrieve32 [function] [call site] 00007
5 FUZZ_getRange_from_uint32 [function] [call site] 00008
4 FUZZ_dataProducer_range32 [function] [call site] 00009
4 FUZZ_dataProducer_range32 [function] [call site] 00010
4 FUZZ_dataProducer_range32 [function] [call site] 00011
3 FUZZ_dataProducer_range32 [function] [call site] 00012
3 FUZZ_dataProducer_range32 [function] [call site] 00013
3 FUZZ_dataProducer_range32 [function] [call site] 00014
2 compress_round_trip [function] [call site] 00015
3 FUZZ_dataProducer_retrieve32 [function] [call site] 00016
3 FUZZ_dataProducer_retrieve32 [function] [call site] 00017
3 FUZZ_dataProducer_remainingBytes [function] [call site] 00018
3 FUZZ_getRange_from_uint32 [function] [call site] 00019
3 fprintf [call site] 00020
3 fprintf [call site] 00021
3 LZ4_compressBound [function] [call site] 00022
3 LZ4F_compressFrameBound [function] [call site] 00023
4 LZ4F_compressBound_internal [function] [call site] 00024
5 LZ4F_getBlockSize [function] [call site] 00025
6 LZ4F_returnErrorCode [function] [call site] 00026
3 fprintf [call site] 00027
3 fprintf [call site] 00028
3 LZ4F_createCompressionContext [function] [call site] 00029
4 __assert_fail [call site] 00030
4 LZ4F_returnErrorCode [function] [call site] 00031
4 LZ4F_createCompressionContext_advanced [function] [call site] 00032
5 LZ4F_calloc [function] [call site] 00033
6 calloc [call site] 00034
4 LZ4F_returnErrorCode [function] [call site] 00035
3 LZ4F_isError [function] [call site] 00036
3 fprintf [call site] 00037
3 LZ4F_compressBegin [function] [call site] 00038
4 LZ4F_compressBegin_usingCDict [function] [call site] 00039
5 LZ4F_returnErrorCode [function] [call site] 00040
5 ctxTypeID_to_size [function] [call site] 00041
6 LZ4_sizeofState [function] [call site] 00042
6 LZ4_sizeofStateHC [function] [call site] 00043
5 ctxTypeID_to_size [function] [call site] 00044
5 LZ4F_free [function] [call site] 00045
5 LZ4F_malloc [function] [call site] 00046
5 LZ4_initStream [function] [call site] 00047
6 LZ4_stream_t_alignment [function] [call site] 00048
5 LZ4F_malloc [function] [call site] 00049
5 LZ4_initStreamHC [function] [call site] 00050
6 LZ4_streamHC_t_alignment [function] [call site] 00051
6 LZ4_isAligned [function] [call site] 00052
6 LZ4_setCompressionLevel [function] [call site] 00053
5 LZ4F_returnErrorCode [function] [call site] 00054
5 LZ4_initStream [function] [call site] 00055
5 LZ4_initStreamHC [function] [call site] 00056
5 LZ4_setCompressionLevel [function] [call site] 00057
5 LZ4F_getBlockSize [function] [call site] 00058
5 LZ4F_free [function] [call site] 00059
5 LZ4F_malloc [function] [call site] 00060
5 LZ4F_returnErrorCode [function] [call site] 00061
5 LZ4_XXH32_reset [function] [call site] 00062
5 LZ4F_initStream [function] [call site] 00063
6 LZ4_resetStream_fast [function] [call site] 00064
7 __assert_fail [call site] 00065
6 LZ4_attach_dictionary [function] [call site] 00066
6 LZ4_resetStreamHC_fast [function] [call site] 00067
7 LZ4_initStreamHC [function] [call site] 00068
7 __assert_fail [call site] 00069
7 LZ4_setCompressionLevel [function] [call site] 00070
6 LZ4_attach_HC_dictionary [function] [call site] 00071
5 LZ4_favorDecompressionSpeed [function] [call site] 00072
5 LZ4F_writeLE32 [function] [call site] 00073
5 LZ4F_writeLE64 [function] [call site] 00074
5 LZ4F_writeLE32 [function] [call site] 00075
5 LZ4F_headerChecksum [function] [call site] 00076
6 LZ4_XXH32 [function] [call site] 00077
7 XXH_isLittleEndian [function] [call site] 00078
7 XXH_read32 [function] [call site] 00079
7 XXH32_round [function] [call site] 00080
7 XXH_read32 [function] [call site] 00081
7 XXH_read32 [function] [call site] 00082
7 XXH_read32 [function] [call site] 00083
7 XXH32_round [function] [call site] 00084
3 LZ4F_isError [function] [call site] 00085
3 fprintf [call site] 00086
3 LZ4F_compressUpdate [function] [call site] 00087
4 LZ4F_compressUpdateImpl [function] [call site] 00088
5 LZ4F_selectCompression [function] [call site] 00089
6 LZ4F_doNotCompressBlock [function] [call site] 00090
6 LZ4F_compressBlock [function] [call site] 00091
7 LZ4F_initStream [function] [call site] 00092
7 LZ4_compress_fast_continue [function] [call site] 00093
8 LZ4_renormDictT [function] [call site] 00094
9 __assert_fail [call site] 00095
8 __assert_fail [call site] 00096
8 __assert_fail [call site] 00097
8 LZ4_read_ARCH [function] [call site] 00098
8 LZ4_isLittleEndian [function] [call site] 00099
8 __assert_fail [call site] 00100
8 __assert_fail [call site] 00101
8 LZ4_read_ARCH [function] [call site] 00102
8 LZ4_getPositionOnHash [function] [call site] 00103
9 __assert_fail [call site] 00104
8 LZ4_read_ARCH [function] [call site] 00105
8 __assert_fail [call site] 00106
8 __assert_fail [call site] 00107
8 __assert_fail [call site] 00108
8 LZ4_read_ARCH [function] [call site] 00109
8 __assert_fail [call site] 00110
8 LZ4_read_ARCH [function] [call site] 00111
8 LZ4_read_ARCH [function] [call site] 00112
8 LZ4_read_ARCH [function] [call site] 00113
8 LZ4_read_ARCH [function] [call site] 00114
8 __assert_fail [call site] 00115
8 LZ4_read_ARCH [function] [call site] 00116
8 __assert_fail [call site] 00117
8 __assert_fail [call site] 00118
8 LZ4_read_ARCH [function] [call site] 00119
8 LZ4_getPositionOnHash [function] [call site] 00120
8 LZ4_read_ARCH [function] [call site] 00121
8 __assert_fail [call site] 00122
8 LZ4_read_ARCH [function] [call site] 00123
8 __assert_fail [call site] 00124
8 __assert_fail [call site] 00125
8 __assert_fail [call site] 00126
8 LZ4_read_ARCH [function] [call site] 00127
8 __assert_fail [call site] 00128
8 __assert_fail [call site] 00129
8 __assert_fail [call site] 00130
8 __assert_fail [call site] 00131
8 __assert_fail [call site] 00132
7 LZ4_compress_fast_extState_fastReset [function] [call site] 00133
8 __assert_fail [call site] 00134
8 LZ4_compressBound [function] [call site] 00135
8 __assert_fail [call site] 00136
8 __assert_fail [call site] 00137
8 __assert_fail [call site] 00138
8 __assert_fail [call site] 00139
8 __assert_fail [call site] 00140
8 __assert_fail [call site] 00141
8 __assert_fail [call site] 00142
8 __assert_fail [call site] 00143
8 __assert_fail [call site] 00144
8 __assert_fail [call site] 00145
6 LZ4F_compressBlock_continue [function] [call site] 00146
7 LZ4_compress_fast_continue [function] [call site] 00147
6 LZ4F_compressBlockHC [function] [call site] 00148
7 LZ4F_initStream [function] [call site] 00149
7 LZ4_compress_HC_continue [function] [call site] 00150
8 LZ4_compressBound [function] [call site] 00151
8 LZ4_compressHC_continue_generic [function] [call site] 00152
9 __assert_fail [call site] 00153
9 LZ4HC_init_internal [function] [call site] 00154
10 __assert_fail [call site] 00155
10 LZ4HC_clearTables [function] [call site] 00156
9 LZ4_loadDictHC [function] [call site] 00157
10 __assert_fail [call site] 00158
10 LZ4_initStreamHC [function] [call site] 00159
10 LZ4_setCompressionLevel [function] [call site] 00160
10 LZ4HC_init_internal [function] [call site] 00161
10 __assert_fail [call site] 00162
10 LZ4HC_hashPtr [function] [call site] 00163
11 LZ4_read32 [function] [call site] 00164
9 LZ4HC_setExternalDict [function] [call site] 00165
10 __assert_fail [call site] 00166
10 LZ4HC_hashPtr [function] [call site] 00167
9 LZ4HC_compress_generic [function] [call site] 00168
10 LZ4HC_compress_generic_noDictCtx [function] [call site] 00169
11 __assert_fail [call site] 00170
11 LZ4_read32 [function] [call site] 00171
11 __assert_fail [call site] 00172
11 __assert_fail [call site] 00173
11 LZ4HC_hashPtr [function] [call site] 00174
11 LZ4HC_hashPtr [function] [call site] 00175
11 __assert_fail [call site] 00176
11 LZ4_read_ARCH [function] [call site] 00177
11 LZ4_read_ARCH [function] [call site] 00178
11 LZ4_read_ARCH [function] [call site] 00179
11 __assert_fail [call site] 00180
11 LZ4_read_ARCH [function] [call site] 00181
11 __assert_fail [call site] 00182
11 LZ4_read32 [function] [call site] 00183
11 __assert_fail [call site] 00184
11 LZ4HC_hashPtr [function] [call site] 00185
11 __assert_fail [call site] 00186
11 LZ4_writeLE16 [function] [call site] 00187
12 LZ4_isLittleEndian [function] [call site] 00188
12 LZ4_write16 [function] [call site] 00189
11 LZ4_read32 [function] [call site] 00190
11 __assert_fail [call site] 00191
11 LZ4HC_hashPtr [function] [call site] 00192
11 __assert_fail [call site] 00193
11 LZ4_writeLE16 [function] [call site] 00194
11 __assert_fail [call site] 00195
11 LZ4_writeLE16 [function] [call site] 00196
11 __assert_fail [call site] 00197
11 LZ4_writeLE16 [function] [call site] 00198
11 __assert_fail [call site] 00199
11 LZ4_writeLE16 [function] [call site] 00200
11 __assert_fail [call site] 00201
11 __assert_fail [call site] 00202
11 LZ4_writeLE16 [function] [call site] 00203
11 LZ4HC_compress_optimal [function] [call site] 00204
12 LZ4_read32 [function] [call site] 00205
12 __assert_fail [call site] 00206
12 LZ4HC_hashPtr [function] [call site] 00207
12 __assert_fail [call site] 00208
12 LZ4_writeLE16 [function] [call site] 00209
12 __assert_fail [call site] 00210
12 __assert_fail [call site] 00211
12 __assert_fail [call site] 00212
12 __assert_fail [call site] 00213
12 __assert_fail [call site] 00214
12 __assert_fail [call site] 00215
12 __assert_fail [call site] 00216
12 __assert_fail [call site] 00217
12 __assert_fail [call site] 00218
12 __assert_fail [call site] 00219
12 __assert_fail [call site] 00220
12 __assert_fail [call site] 00221
12 __assert_fail [call site] 00222
12 __assert_fail [call site] 00223
12 __assert_fail [call site] 00224
12 __assert_fail [call site] 00225
12 __assert_fail [call site] 00226
12 __assert_fail [call site] 00227
12 LZ4_writeLE16 [function] [call site] 00228
12 __assert_fail [call site] 00229
12 __assert_fail [call site] 00230
12 LZ4_writeLE16 [function] [call site] 00231
11 __assert_fail [call site] 00232
10 LZ4HC_compress_generic_dictCtx [function] [call site] 00233
11 __assert_fail [call site] 00234
11 LZ4HC_compress_generic_noDictCtx [function] [call site] 00235
11 LZ4HC_setExternalDict [function] [call site] 00236
11 LZ4HC_compress_generic_noDictCtx [function] [call site] 00237
11 LZ4HC_compress_optimal [function] [call site] 00238
11 __assert_fail [call site] 00239
8 LZ4_compressHC_continue_generic [function] [call site] 00240
7 LZ4_compress_HC_extStateHC_fastReset [function] [call site] 00241
8 LZ4_streamHC_t_alignment [function] [call site] 00242
8 LZ4_isAligned [function] [call site] 00243
8 LZ4_resetStreamHC_fast [function] [call site] 00244
8 LZ4HC_init_internal [function] [call site] 00245
8 LZ4_compressBound [function] [call site] 00246
8 LZ4HC_compress_generic [function] [call site] 00247
8 LZ4HC_compress_generic [function] [call site] 00248
6 LZ4F_compressBlockHC_continue [function] [call site] 00249
7 LZ4_compress_HC_continue [function] [call site] 00250
5 LZ4F_returnErrorCode [function] [call site] 00251
5 LZ4F_compressBound_internal [function] [call site] 00252
5 LZ4F_returnErrorCode [function] [call site] 00253
5 LZ4F_returnErrorCode [function] [call site] 00254
5 LZ4F_flush [function] [call site] 00255
6 LZ4F_returnErrorCode [function] [call site] 00256
6 LZ4F_returnErrorCode [function] [call site] 00257
6 LZ4F_selectCompression [function] [call site] 00258
6 LZ4F_makeBlock [function] [call site] 00259
7 __assert_fail [call site] 00260
7 LZ4F_writeLE32 [function] [call site] 00261
7 LZ4F_writeLE32 [function] [call site] 00262
7 LZ4_XXH32 [function] [call site] 00263
7 LZ4F_writeLE32 [function] [call site] 00264
6 __assert_fail [call site] 00265
6 LZ4F_localSaveDict [function] [call site] 00266
7 LZ4_saveDict [function] [call site] 00267
8 __assert_fail [call site] 00268
8 __assert_fail [call site] 00269
7 LZ4_saveDictHC [function] [call site] 00270
8 __assert_fail [call site] 00271
8 __assert_fail [call site] 00272
5 __assert_fail [call site] 00273
5 LZ4F_makeBlock [function] [call site] 00274
5 LZ4F_makeBlock [function] [call site] 00275
5 LZ4F_makeBlock [function] [call site] 00276
5 LZ4F_localSaveDict [function] [call site] 00277
5 __assert_fail [call site] 00278
5 LZ4F_localSaveDict [function] [call site] 00279
5 __assert_fail [call site] 00280
5 LZ4_XXH32_update [function] [call site] 00281
6 XXH_isLittleEndian [function] [call site] 00282
6 XXH_memcpy [function] [call site] 00283
6 XXH_read32 [function] [call site] 00284
6 XXH_memcpy [function] [call site] 00285
3 LZ4F_isError [function] [call site] 00286
3 fprintf [call site] 00287
3 LZ4F_uncompressedUpdate [function] [call site] 00288
4 LZ4F_compressUpdateImpl [function] [call site] 00289
3 LZ4F_isError [function] [call site] 00290
3 fprintf [call site] 00291
3 LZ4F_compressUpdate [function] [call site] 00292
3 LZ4F_isError [function] [call site] 00293
3 fprintf [call site] 00294
3 LZ4F_compressEnd [function] [call site] 00295
4 LZ4F_flush [function] [call site] 00296
4 LZ4F_isError [function] [call site] 00297
4 __assert_fail [call site] 00298
4 LZ4F_returnErrorCode [function] [call site] 00299
4 LZ4F_writeLE32 [function] [call site] 00300
4 LZ4_XXH32_digest [function] [call site] 00301
5 XXH_isLittleEndian [function] [call site] 00302
5 XXH32_finalize [function] [call site] 00303
6 XXH_read32 [function] [call site] 00304
6 XXH_read32 [function] [call site] 00305
6 XXH_read32 [function] [call site] 00306
6 XXH32_avalanche [function] [call site] 00307
6 XXH_read32 [function] [call site] 00308
6 XXH_read32 [function] [call site] 00309
6 XXH_read32 [function] [call site] 00310
6 XXH32_avalanche [function] [call site] 00311
6 XXH_read32 [function] [call site] 00312
6 XXH_read32 [function] [call site] 00313
6 XXH_read32 [function] [call site] 00314
6 XXH32_avalanche [function] [call site] 00315
6 XXH_read32 [function] [call site] 00316
6 XXH_read32 [function] [call site] 00317
6 XXH_read32 [function] [call site] 00318
6 XXH32_avalanche [function] [call site] 00319
6 __assert_fail [call site] 00320
5 XXH32_finalize [function] [call site] 00321
4 LZ4F_returnErrorCode [function] [call site] 00322
4 LZ4F_writeLE32 [function] [call site] 00323
4 LZ4F_returnErrorCode [function] [call site] 00324
3 LZ4F_isError [function] [call site] 00325
3 fprintf [call site] 00326
3 LZ4F_createDecompressionContext [function] [call site] 00327
4 __assert_fail [call site] 00328
4 LZ4F_returnErrorCode [function] [call site] 00329
4 LZ4F_createDecompressionContext_advanced [function] [call site] 00330
5 LZ4F_calloc [function] [call site] 00331
4 LZ4F_returnErrorCode [function] [call site] 00332
3 decompress [function] [call site] 00333
4 LZ4F_decompress [function] [call site] 00334
5 __assert_fail [call site] 00335
5 __assert_fail [call site] 00336
5 LZ4F_decodeHeader [function] [call site] 00337
6 LZ4F_returnErrorCode [function] [call site] 00338
6 LZ4F_readLE32 [function] [call site] 00339
6 LZ4F_returnErrorCode [function] [call site] 00340
6 LZ4F_returnErrorCode [function] [call site] 00341
6 LZ4F_returnErrorCode [function] [call site] 00342
6 LZ4F_returnErrorCode [function] [call site] 00343
6 LZ4F_returnErrorCode [function] [call site] 00344
6 __assert_fail [call site] 00345
6 LZ4F_getBlockSize [function] [call site] 00346
6 LZ4F_readLE64 [function] [call site] 00347
6 LZ4F_readLE32 [function] [call site] 00348
5 LZ4F_isError [function] [call site] 00349
5 LZ4F_decodeHeader [function] [call site] 00350
5 LZ4_XXH32_reset [function] [call site] 00351
5 LZ4F_free [function] [call site] 00352
5 LZ4F_malloc [function] [call site] 00353
5 LZ4F_returnErrorCode [function] [call site] 00354
5 LZ4F_free [function] [call site] 00355
5 LZ4F_malloc [function] [call site] 00356
5 LZ4F_returnErrorCode [function] [call site] 00357
5 LZ4F_readLE32 [function] [call site] 00358
5 LZ4F_returnErrorCode [function] [call site] 00359
5 LZ4_XXH32_reset [function] [call site] 00360
5 LZ4_XXH32_update [function] [call site] 00361
5 LZ4_XXH32_update [function] [call site] 00362
5 LZ4F_updateDict [function] [call site] 00363
6 __assert_fail [call site] 00364
6 __assert_fail [call site] 00365
6 __assert_fail [call site] 00366
6 __assert_fail [call site] 00367
6 __assert_fail [call site] 00368
5 LZ4F_readLE32 [function] [call site] 00369
5 LZ4_XXH32_digest [function] [call site] 00370
5 __assert_fail [call site] 00371
5 __assert_fail [call site] 00372
5 LZ4F_readLE32 [function] [call site] 00373
5 LZ4_XXH32 [function] [call site] 00374
5 __assert_fail [call site] 00375
5 LZ4_decompress_safe_usingDict [function] [call site] 00376
6 LZ4_decompress_safe [function] [call site] 00377
7 __assert_fail [call site] 00378
7 __assert_fail [call site] 00379
7 LZ4_readLE16 [function] [call site] 00380
8 LZ4_isLittleEndian [function] [call site] 00381
8 LZ4_read16 [function] [call site] 00382
7 __assert_fail [call site] 00383
7 __assert_fail [call site] 00384
7 __assert_fail [call site] 00385
7 LZ4_write32 [function] [call site] 00386
7 __assert_fail [call site] 00387
7 __assert_fail [call site] 00388
6 LZ4_decompress_safe_withPrefix64k [function] [call site] 00389
7 __assert_fail [call site] 00390
7 LZ4_readLE16 [function] [call site] 00391
6 __assert_fail [call site] 00392
6 LZ4_decompress_safe_withSmallPrefix [function] [call site] 00393
7 __assert_fail [call site] 00394
7 LZ4_readLE16 [function] [call site] 00395
6 __assert_fail [call site] 00396
6 LZ4_decompress_safe_forceExtDict [function] [call site] 00397
7 __assert_fail [call site] 00398
7 LZ4_readLE16 [function] [call site] 00399
5 LZ4F_returnErrorCode [function] [call site] 00400
5 LZ4_XXH32_update [function] [call site] 00401
5 LZ4F_updateDict [function] [call site] 00402
5 LZ4_decompress_safe_usingDict [function] [call site] 00403
5 LZ4F_returnErrorCode [function] [call site] 00404
5 LZ4_XXH32_update [function] [call site] 00405
5 LZ4F_updateDict [function] [call site] 00406
5 LZ4F_returnErrorCode [function] [call site] 00407
5 LZ4F_resetDecompressionContext [function] [call site] 00408
5 LZ4F_readLE32 [function] [call site] 00409
5 LZ4_XXH32_digest [function] [call site] 00410
5 LZ4F_resetDecompressionContext [function] [call site] 00411
5 LZ4F_readLE32 [function] [call site] 00412
5 LZ4F_resetDecompressionContext [function] [call site] 00413
5 __assert_fail [call site] 00414
4 LZ4F_isError [function] [call site] 00415
4 fprintf [call site] 00416
4 fprintf [call site] 00417
3 LZ4F_freeDecompressionContext [function] [call site] 00418
3 memcmp [call site] 00422
3 FUZZ_dataProducer_free [function] [call site] 00423
3 LZ4F_freeCompressionContext [function] [call site] 00424