Fuzz introspector: compress_frame_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: 00139 /src/lz4/lib/lz4frame.c:876
1406 1406 1 :

['LZ4HC_compress_generic_dictCtx']

1406 1406 LZ4HC_compress_generic call site: 00158 /src/lz4/lib/lz4hc.c:930
870 870 1 :

['LZ4_compress_fast_continue']

870 870 LZ4F_compressBlock call site: 00082 /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: 00356 /src/lz4/lib/lz4.c:2643
20 3332 4 :

['LZ4F_localSaveDict', 'LZ4F_selectCompression', 'LZ4F_makeBlock', 'LZ4F_returnErrorCode']

20 3332 LZ4F_flush call site: 00245 /src/lz4/lib/lz4frame.c:1111
20 20 1 :

['LZ4F_localSaveDict']

20 93 LZ4F_compressUpdateImpl call site: 00268 /src/lz4/lib/lz4frame.c:1023
14 14 1 :

['LZ4_resetStream_fast']

14 19 LZ4F_initStream call site: 00053 /src/lz4/lib/lz4frame.c:644
2 2 1 :

['LZ4F_writeLE64']

2 85 LZ4F_compressBegin_usingCDict call site: 00063 /src/lz4/lib/lz4frame.c:768
2 2 1 :

['LZ4F_readLE64']

2 4 LZ4F_decodeHeader call site: 00326 /src/lz4/lib/lz4frame.c:1370
0 3333 1 :

['LZ4F_flush']

40 3704 LZ4F_compressUpdateImpl call site: 00244 /src/lz4/lib/lz4frame.c:954
0 43 1 :

['LZ4F_initStream']

2 132 LZ4F_compressBegin_usingCDict call site: 00052 /src/lz4/lib/lz4frame.c:745
0 12 1 :

['LZ4_initStreamHC']

0 15 LZ4_resetStreamHC_fast call site: 00057 /src/lz4/lib/lz4hc.c:1051

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 FUZZ_dataProducer_create [function] [call site] 00001
2 fprintf [call site] 00002
1 FUZZ_dataProducer_preferences [function] [call site] 00003
2 FUZZ_dataProducer_frameInfo [function] [call site] 00004
3 FUZZ_dataProducer_range32 [function] [call site] 00005
4 FUZZ_dataProducer_retrieve32 [function] [call site] 00006
4 FUZZ_getRange_from_uint32 [function] [call site] 00007
3 FUZZ_dataProducer_range32 [function] [call site] 00008
3 FUZZ_dataProducer_range32 [function] [call site] 00009
3 FUZZ_dataProducer_range32 [function] [call site] 00010
2 FUZZ_dataProducer_range32 [function] [call site] 00011
2 FUZZ_dataProducer_range32 [function] [call site] 00012
2 FUZZ_dataProducer_range32 [function] [call site] 00013
1 FUZZ_dataProducer_retrieve32 [function] [call site] 00014
1 FUZZ_dataProducer_remainingBytes [function] [call site] 00015
1 LZ4F_compressFrameBound [function] [call site] 00016
2 LZ4F_compressBound_internal [function] [call site] 00017
3 LZ4F_getBlockSize [function] [call site] 00018
4 LZ4F_returnErrorCode [function] [call site] 00019
1 FUZZ_getRange_from_uint32 [function] [call site] 00020
1 fprintf [call site] 00021
1 fprintf [call site] 00022
1 LZ4F_compressFrame [function] [call site] 00023
2 LZ4_initStream [function] [call site] 00024
3 LZ4_stream_t_alignment [function] [call site] 00025
2 LZ4F_compressFrame_usingCDict [function] [call site] 00026
3 LZ4F_optimalBSID [function] [call site] 00027
3 LZ4F_getBlockSize [function] [call site] 00028
3 LZ4F_compressFrameBound [function] [call site] 00029
3 LZ4F_compressBegin_usingCDict [function] [call site] 00030
4 LZ4F_returnErrorCode [function] [call site] 00031
4 ctxTypeID_to_size [function] [call site] 00032
5 LZ4_sizeofState [function] [call site] 00033
5 LZ4_sizeofStateHC [function] [call site] 00034
4 ctxTypeID_to_size [function] [call site] 00035
4 LZ4F_free [function] [call site] 00036
4 LZ4F_malloc [function] [call site] 00037
4 LZ4_initStream [function] [call site] 00038
4 LZ4F_malloc [function] [call site] 00039
4 LZ4_initStreamHC [function] [call site] 00040
5 LZ4_streamHC_t_alignment [function] [call site] 00041
5 LZ4_isAligned [function] [call site] 00042
5 LZ4_setCompressionLevel [function] [call site] 00043
4 LZ4F_returnErrorCode [function] [call site] 00044
4 LZ4_initStream [function] [call site] 00045
4 LZ4_initStreamHC [function] [call site] 00046
4 LZ4_setCompressionLevel [function] [call site] 00047
4 LZ4F_getBlockSize [function] [call site] 00048
4 LZ4F_free [function] [call site] 00049
4 LZ4F_malloc [function] [call site] 00050
4 LZ4F_returnErrorCode [function] [call site] 00051
4 LZ4_XXH32_reset [function] [call site] 00052
4 LZ4F_initStream [function] [call site] 00053
5 LZ4_resetStream_fast [function] [call site] 00054
6 __assert_fail [call site] 00055
5 LZ4_attach_dictionary [function] [call site] 00056
5 LZ4_resetStreamHC_fast [function] [call site] 00057
6 LZ4_initStreamHC [function] [call site] 00058
6 __assert_fail [call site] 00059
6 LZ4_setCompressionLevel [function] [call site] 00060
5 LZ4_attach_HC_dictionary [function] [call site] 00061
4 LZ4_favorDecompressionSpeed [function] [call site] 00062
4 LZ4F_writeLE32 [function] [call site] 00063
4 LZ4F_writeLE64 [function] [call site] 00064
4 LZ4F_writeLE32 [function] [call site] 00065
4 LZ4F_headerChecksum [function] [call site] 00066
5 LZ4_XXH32 [function] [call site] 00067
6 XXH_isLittleEndian [function] [call site] 00068
6 XXH_read32 [function] [call site] 00069
6 XXH32_round [function] [call site] 00070
6 XXH_read32 [function] [call site] 00071
6 XXH_read32 [function] [call site] 00072
6 XXH_read32 [function] [call site] 00073
6 XXH32_round [function] [call site] 00074
3 LZ4F_isError [function] [call site] 00075
3 __assert_fail [call site] 00076
3 LZ4F_compressUpdate [function] [call site] 00077
4 LZ4F_compressUpdateImpl [function] [call site] 00078
5 LZ4F_selectCompression [function] [call site] 00079
6 LZ4F_doNotCompressBlock [function] [call site] 00080
6 LZ4F_compressBlock [function] [call site] 00081
7 LZ4F_initStream [function] [call site] 00082
7 LZ4_compress_fast_continue [function] [call site] 00083
8 LZ4_renormDictT [function] [call site] 00084
9 __assert_fail [call site] 00085
8 __assert_fail [call site] 00086
8 __assert_fail [call site] 00087
8 LZ4_read_ARCH [function] [call site] 00088
8 LZ4_isLittleEndian [function] [call site] 00089
8 __assert_fail [call site] 00090
8 __assert_fail [call site] 00091
8 LZ4_read_ARCH [function] [call site] 00092
8 LZ4_getPositionOnHash [function] [call site] 00093
9 __assert_fail [call site] 00094
8 LZ4_read_ARCH [function] [call site] 00095
8 __assert_fail [call site] 00096
8 __assert_fail [call site] 00097
8 __assert_fail [call site] 00098
8 LZ4_read_ARCH [function] [call site] 00099
8 __assert_fail [call site] 00100
8 LZ4_read_ARCH [function] [call site] 00101
8 LZ4_read_ARCH [function] [call site] 00102
8 LZ4_read_ARCH [function] [call site] 00103
8 LZ4_read_ARCH [function] [call site] 00104
8 __assert_fail [call site] 00105
8 LZ4_read_ARCH [function] [call site] 00106
8 __assert_fail [call site] 00107
8 __assert_fail [call site] 00108
8 LZ4_read_ARCH [function] [call site] 00109
8 LZ4_getPositionOnHash [function] [call site] 00110
8 LZ4_read_ARCH [function] [call site] 00111
8 __assert_fail [call site] 00112
8 LZ4_read_ARCH [function] [call site] 00113
8 __assert_fail [call site] 00114
8 __assert_fail [call site] 00115
8 __assert_fail [call site] 00116
8 LZ4_read_ARCH [function] [call site] 00117
8 __assert_fail [call site] 00118
8 __assert_fail [call site] 00119
8 __assert_fail [call site] 00120
8 __assert_fail [call site] 00121
8 __assert_fail [call site] 00122
7 LZ4_compress_fast_extState_fastReset [function] [call site] 00123
8 __assert_fail [call site] 00124
8 LZ4_compressBound [function] [call site] 00125
8 __assert_fail [call site] 00126
8 __assert_fail [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
8 __assert_fail [call site] 00133
8 __assert_fail [call site] 00134
8 __assert_fail [call site] 00135
6 LZ4F_compressBlock_continue [function] [call site] 00136
7 LZ4_compress_fast_continue [function] [call site] 00137
6 LZ4F_compressBlockHC [function] [call site] 00138
7 LZ4F_initStream [function] [call site] 00139
7 LZ4_compress_HC_continue [function] [call site] 00140
8 LZ4_compressBound [function] [call site] 00141
8 LZ4_compressHC_continue_generic [function] [call site] 00142
9 __assert_fail [call site] 00143
9 LZ4HC_init_internal [function] [call site] 00144
10 __assert_fail [call site] 00145
10 LZ4HC_clearTables [function] [call site] 00146
9 LZ4_loadDictHC [function] [call site] 00147
10 __assert_fail [call site] 00148
10 LZ4_initStreamHC [function] [call site] 00149
10 LZ4_setCompressionLevel [function] [call site] 00150
10 LZ4HC_init_internal [function] [call site] 00151
10 __assert_fail [call site] 00152
10 LZ4HC_hashPtr [function] [call site] 00153
11 LZ4_read32 [function] [call site] 00154
9 LZ4HC_setExternalDict [function] [call site] 00155
10 __assert_fail [call site] 00156
10 LZ4HC_hashPtr [function] [call site] 00157
9 LZ4HC_compress_generic [function] [call site] 00158
10 LZ4HC_compress_generic_noDictCtx [function] [call site] 00159
11 __assert_fail [call site] 00160
11 LZ4_read32 [function] [call site] 00161
11 __assert_fail [call site] 00162
11 __assert_fail [call site] 00163
11 LZ4HC_hashPtr [function] [call site] 00164
11 LZ4HC_hashPtr [function] [call site] 00165
11 __assert_fail [call site] 00166
11 LZ4_read_ARCH [function] [call site] 00167
11 LZ4_read_ARCH [function] [call site] 00168
11 LZ4_read_ARCH [function] [call site] 00169
11 __assert_fail [call site] 00170
11 LZ4_read_ARCH [function] [call site] 00171
11 __assert_fail [call site] 00172
11 LZ4_read32 [function] [call site] 00173
11 __assert_fail [call site] 00174
11 LZ4HC_hashPtr [function] [call site] 00175
11 __assert_fail [call site] 00176
11 LZ4_writeLE16 [function] [call site] 00177
12 LZ4_isLittleEndian [function] [call site] 00178
12 LZ4_write16 [function] [call site] 00179
11 LZ4_read32 [function] [call site] 00180
11 __assert_fail [call site] 00181
11 LZ4HC_hashPtr [function] [call site] 00182
11 __assert_fail [call site] 00183
11 LZ4_writeLE16 [function] [call site] 00184
11 __assert_fail [call site] 00185
11 LZ4_writeLE16 [function] [call site] 00186
11 __assert_fail [call site] 00187
11 LZ4_writeLE16 [function] [call site] 00188
11 __assert_fail [call site] 00189
11 LZ4_writeLE16 [function] [call site] 00190
11 __assert_fail [call site] 00191
11 __assert_fail [call site] 00192
11 LZ4_writeLE16 [function] [call site] 00193
11 LZ4HC_compress_optimal [function] [call site] 00194
12 LZ4_read32 [function] [call site] 00195
12 __assert_fail [call site] 00196
12 LZ4HC_hashPtr [function] [call site] 00197
12 __assert_fail [call site] 00198
12 LZ4_writeLE16 [function] [call site] 00199
12 __assert_fail [call site] 00200
12 __assert_fail [call site] 00201
12 __assert_fail [call site] 00202
12 __assert_fail [call site] 00203
12 __assert_fail [call site] 00204
12 __assert_fail [call site] 00205
12 __assert_fail [call site] 00206
12 __assert_fail [call site] 00207
12 __assert_fail [call site] 00208
12 __assert_fail [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 LZ4_writeLE16 [function] [call site] 00218
12 __assert_fail [call site] 00219
12 __assert_fail [call site] 00220
12 LZ4_writeLE16 [function] [call site] 00221
11 __assert_fail [call site] 00222
10 LZ4HC_compress_generic_dictCtx [function] [call site] 00223
11 __assert_fail [call site] 00224
11 LZ4HC_compress_generic_noDictCtx [function] [call site] 00225
11 LZ4HC_setExternalDict [function] [call site] 00226
11 LZ4HC_compress_generic_noDictCtx [function] [call site] 00227
11 LZ4HC_compress_optimal [function] [call site] 00228
11 __assert_fail [call site] 00229
8 LZ4_compressHC_continue_generic [function] [call site] 00230
7 LZ4_compress_HC_extStateHC_fastReset [function] [call site] 00231
8 LZ4_streamHC_t_alignment [function] [call site] 00232
8 LZ4_isAligned [function] [call site] 00233
8 LZ4_resetStreamHC_fast [function] [call site] 00234
8 LZ4HC_init_internal [function] [call site] 00235
8 LZ4_compressBound [function] [call site] 00236
8 LZ4HC_compress_generic [function] [call site] 00237
8 LZ4HC_compress_generic [function] [call site] 00238
6 LZ4F_compressBlockHC_continue [function] [call site] 00239
7 LZ4_compress_HC_continue [function] [call site] 00240
5 LZ4F_returnErrorCode [function] [call site] 00241
5 LZ4F_compressBound_internal [function] [call site] 00242
5 LZ4F_returnErrorCode [function] [call site] 00243
5 LZ4F_returnErrorCode [function] [call site] 00244
5 LZ4F_flush [function] [call site] 00245
6 LZ4F_returnErrorCode [function] [call site] 00246
6 LZ4F_returnErrorCode [function] [call site] 00247
6 LZ4F_selectCompression [function] [call site] 00248
6 LZ4F_makeBlock [function] [call site] 00249
7 __assert_fail [call site] 00250
7 LZ4F_writeLE32 [function] [call site] 00251
7 LZ4F_writeLE32 [function] [call site] 00252
7 LZ4_XXH32 [function] [call site] 00253
7 LZ4F_writeLE32 [function] [call site] 00254
6 __assert_fail [call site] 00255
6 LZ4F_localSaveDict [function] [call site] 00256
7 LZ4_saveDict [function] [call site] 00257
8 __assert_fail [call site] 00258
8 __assert_fail [call site] 00259
7 LZ4_saveDictHC [function] [call site] 00260
8 __assert_fail [call site] 00261
8 __assert_fail [call site] 00262
5 __assert_fail [call site] 00263
5 LZ4F_makeBlock [function] [call site] 00264
5 LZ4F_makeBlock [function] [call site] 00265
5 LZ4F_makeBlock [function] [call site] 00266
5 LZ4F_localSaveDict [function] [call site] 00267
5 __assert_fail [call site] 00268
5 LZ4F_localSaveDict [function] [call site] 00269
5 __assert_fail [call site] 00270
5 LZ4_XXH32_update [function] [call site] 00271
6 XXH_isLittleEndian [function] [call site] 00272
6 XXH_memcpy [function] [call site] 00273
6 XXH_read32 [function] [call site] 00274
6 XXH_memcpy [function] [call site] 00275
3 LZ4F_isError [function] [call site] 00276
3 __assert_fail [call site] 00277
3 LZ4F_compressEnd [function] [call site] 00278
4 LZ4F_flush [function] [call site] 00279
4 LZ4F_isError [function] [call site] 00280
4 __assert_fail [call site] 00281
4 LZ4F_returnErrorCode [function] [call site] 00282
4 LZ4F_writeLE32 [function] [call site] 00283
4 LZ4_XXH32_digest [function] [call site] 00284
5 XXH_isLittleEndian [function] [call site] 00285
5 XXH32_finalize [function] [call site] 00286
6 XXH_read32 [function] [call site] 00287
6 XXH_read32 [function] [call site] 00288
6 XXH_read32 [function] [call site] 00289
6 XXH32_avalanche [function] [call site] 00290
6 XXH_read32 [function] [call site] 00291
6 XXH_read32 [function] [call site] 00292
6 XXH_read32 [function] [call site] 00293
6 XXH32_avalanche [function] [call site] 00294
6 XXH_read32 [function] [call site] 00295
6 XXH_read32 [function] [call site] 00296
6 XXH_read32 [function] [call site] 00297
6 XXH32_avalanche [function] [call site] 00298
6 XXH_read32 [function] [call site] 00299
6 XXH_read32 [function] [call site] 00300
6 XXH_read32 [function] [call site] 00301
6 XXH32_avalanche [function] [call site] 00302
6 __assert_fail [call site] 00303
5 XXH32_finalize [function] [call site] 00304
4 LZ4F_returnErrorCode [function] [call site] 00305
4 LZ4F_writeLE32 [function] [call site] 00306
4 LZ4F_returnErrorCode [function] [call site] 00307
3 LZ4F_isError [function] [call site] 00308
3 __assert_fail [call site] 00309
2 LZ4F_free [function] [call site] 00310
1 LZ4F_isError [function] [call site] 00311
1 FUZZ_decompressFrame [function] [call site] 00312
2 fprintf [call site] 00313
2 LZ4F_decompress [function] [call site] 00314
3 __assert_fail [call site] 00315
3 __assert_fail [call site] 00316
3 LZ4F_decodeHeader [function] [call site] 00317
4 LZ4F_returnErrorCode [function] [call site] 00318
4 LZ4F_readLE32 [function] [call site] 00319
4 LZ4F_returnErrorCode [function] [call site] 00320
4 LZ4F_returnErrorCode [function] [call site] 00321
4 LZ4F_returnErrorCode [function] [call site] 00322
4 LZ4F_returnErrorCode [function] [call site] 00323
4 LZ4F_returnErrorCode [function] [call site] 00324
4 __assert_fail [call site] 00325
4 LZ4F_getBlockSize [function] [call site] 00326
4 LZ4F_readLE64 [function] [call site] 00327
4 LZ4F_readLE32 [function] [call site] 00328
3 LZ4F_isError [function] [call site] 00329
3 LZ4F_decodeHeader [function] [call site] 00330
3 LZ4_XXH32_reset [function] [call site] 00331
3 LZ4F_free [function] [call site] 00332
3 LZ4F_malloc [function] [call site] 00333
3 LZ4F_returnErrorCode [function] [call site] 00334
3 LZ4F_free [function] [call site] 00335
3 LZ4F_malloc [function] [call site] 00336
3 LZ4F_returnErrorCode [function] [call site] 00337
3 LZ4F_readLE32 [function] [call site] 00338
3 LZ4F_returnErrorCode [function] [call site] 00339
3 LZ4_XXH32_reset [function] [call site] 00340
3 LZ4_XXH32_update [function] [call site] 00341
3 LZ4_XXH32_update [function] [call site] 00342
3 LZ4F_updateDict [function] [call site] 00343
4 __assert_fail [call site] 00344
4 __assert_fail [call site] 00345
4 __assert_fail [call site] 00346
4 __assert_fail [call site] 00347
4 __assert_fail [call site] 00348
3 LZ4F_readLE32 [function] [call site] 00349
3 LZ4_XXH32_digest [function] [call site] 00350
3 __assert_fail [call site] 00351
3 __assert_fail [call site] 00352
3 LZ4F_readLE32 [function] [call site] 00353
3 LZ4_XXH32 [function] [call site] 00354
3 __assert_fail [call site] 00355
3 LZ4_decompress_safe_usingDict [function] [call site] 00356
4 LZ4_decompress_safe [function] [call site] 00357
5 __assert_fail [call site] 00358
5 __assert_fail [call site] 00359
5 LZ4_readLE16 [function] [call site] 00360
6 LZ4_isLittleEndian [function] [call site] 00361
6 LZ4_read16 [function] [call site] 00362
5 __assert_fail [call site] 00363
5 __assert_fail [call site] 00364
5 __assert_fail [call site] 00365
5 LZ4_write32 [function] [call site] 00366
5 __assert_fail [call site] 00367
5 __assert_fail [call site] 00368
4 LZ4_decompress_safe_withPrefix64k [function] [call site] 00369
5 __assert_fail [call site] 00370
5 LZ4_readLE16 [function] [call site] 00371
4 __assert_fail [call site] 00372
4 LZ4_decompress_safe_withSmallPrefix [function] [call site] 00373
5 __assert_fail [call site] 00374
5 LZ4_readLE16 [function] [call site] 00375
4 __assert_fail [call site] 00376
4 LZ4_decompress_safe_forceExtDict [function] [call site] 00377
5 __assert_fail [call site] 00378
5 LZ4_readLE16 [function] [call site] 00379
3 LZ4F_returnErrorCode [function] [call site] 00380
3 LZ4_XXH32_update [function] [call site] 00381
3 LZ4F_updateDict [function] [call site] 00382
3 LZ4_decompress_safe_usingDict [function] [call site] 00383
3 LZ4F_returnErrorCode [function] [call site] 00384
3 LZ4_XXH32_update [function] [call site] 00385
3 LZ4F_updateDict [function] [call site] 00386
3 LZ4F_returnErrorCode [function] [call site] 00387
3 LZ4F_resetDecompressionContext [function] [call site] 00388
3 LZ4F_readLE32 [function] [call site] 00389
3 LZ4_XXH32_digest [function] [call site] 00390
3 LZ4F_resetDecompressionContext [function] [call site] 00391
3 LZ4F_readLE32 [function] [call site] 00392
3 LZ4F_resetDecompressionContext [function] [call site] 00393
3 __assert_fail [call site] 00394
2 LZ4F_isError [function] [call site] 00395
2 fprintf [call site] 00396
2 fprintf [call site] 00397
2 fprintf [call site] 00398
2 LZ4F_freeDecompressionContext [function] [call site] 00399
3 LZ4F_free [function] [call site] 00400
3 LZ4F_free [function] [call site] 00401
3 LZ4F_free [function] [call site] 00402
1 fprintf [call site] 00403
1 memcmp [call site] 00404
1 FUZZ_dataProducer_free [function] [call site] 00405