Fuzz introspector: ghostpdl/brotli/c/fuzz/decode_fuzzer.c
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
283 0 EP call site: {node_id} BrotliDecoderDecompressStream

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 BrotliDecoderCreateInstance [function] [call site] 00001
2 alloc_func [function] [call site] 00003
2 BROTLI_DUMP [function] [call site] 00004
2 BrotliDecoderStateInit [function] [call site] 00005
3 BrotliInitBitReader [function] [call site] 00006
3 BrotliSharedDictionaryCreateInstance [function] [call site] 00007
4 alloc_func [function] [call site] 00009
4 BrotliGetDictionary [function] [call site] 00011
4 BrotliGetTransforms [function] [call site] 00012
2 BROTLI_DUMP [function] [call site] 00013
2 free_func [function] [call site] 00015
1 BrotliDecoderDecompressStream [function] [call site] 00017
2 BROTLI_SAVE_ERROR_CODE [function] [call site] 00018
2 BROTLI_FAILURE [function] [call site] 00019
2 BrotliBitReaderSetInput [function] [call site] 00020
2 BrotliBitReaderSetInput [function] [call site] 00021
2 WriteRingBuffer [function] [call site] 00022
2 BrotliBitReaderSetInput [function] [call site] 00023
2 BROTLI_DCHECK [function] [call site] 00024
2 BrotliBitReaderSetInput [function] [call site] 00025
2 BrotliBitReaderGetAvailIn [function] [call site] 00026
2 BrotliBitReaderUnload [function] [call site] 00027
3 BrotliGetAvailableBits [function] [call site] 00028
3 BrotliBitReaderNormalize [function] [call site] 00029
2 BrotliBitReaderGetAvailIn [function] [call site] 00030
2 BrotliWarmupBitReader [function] [call site] 00031
3 BrotliGetAvailableBits [function] [call site] 00032
3 BrotliPullByte [function] [call site] 00033
3 BrotliPullByte [function] [call site] 00034
2 DecodeWindowBits [function] [call site] 00035
3 BrotliTakeBits [function] [call site] 00036
4 BrotliGetBitsUnmasked [function] [call site] 00037
4 BROTLI_LOG [function] [call site] 00039
4 BrotliBitReaderGetAvailIn [function] [call site] 00040
4 BrotliDropBits [function] [call site] 00041
3 BrotliTakeBits [function] [call site] 00042
3 BrotliTakeBits [function] [call site] 00043
3 BrotliTakeBits [function] [call site] 00044
3 BROTLI_FAILURE [function] [call site] 00045
3 BROTLI_FAILURE [function] [call site] 00046
2 BrotliSafeReadBits [function] [call site] 00047
2 BROTLI_FAILURE [function] [call site] 00048
2 BROTLI_LOG_UINT [function] [call site] 00049
2 BROTLI_DECODER_ALLOC [function] [call site] 00050
2 BROTLI_FAILURE [function] [call site] 00051
2 BrotliDecoderStateMetablockBegin [function] [call site] 00052
2 BROTLI_LOG_UINT [function] [call site] 00053
2 DecodeMetaBlockLength [function] [call site] 00054
2 BROTLI_LOG_UINT [function] [call site] 00055
2 BROTLI_LOG_UINT [function] [call site] 00056
2 BROTLI_LOG_UINT [function] [call site] 00057
2 BROTLI_LOG_UINT [function] [call site] 00058
2 BrotliJumpToByteBoundary [function] [call site] 00059
2 BROTLI_FAILURE [function] [call site] 00060
2 BrotliDecoderState*::metadata_start_func [function] [call site] 00061
2 BrotliCalculateRingBufferSize [function] [call site] 00062
2 DecodeVarLenUint8 [function] [call site] 00063
2 BROTLI_LOG_UINT [function] [call site] 00064
2 ReadHuffmanCode [function] [call site] 00065
3 BrotliSafeReadBits [function] [call site] 00066
3 BROTLI_LOG_UINT [function] [call site] 00067
3 BrotliSafeReadBits [function] [call site] 00070
3 ReadSimpleHuffmanSymbols [function] [call site] 00071
4 Log2Floor [function] [call site] 00072
4 BROTLI_PREDICT_FALSE [function] [call site] 00073
4 BrotliSafeReadBits [function] [call site] 00074
4 BROTLI_FAILURE [function] [call site] 00075
4 BROTLI_LOG_UINT [function] [call site] 00076
4 BROTLI_FAILURE [function] [call site] 00077
3 BrotliSafeReadBits [function] [call site] 00078
3 BROTLI_LOG_UINT [function] [call site] 00079
3 BrotliBuildSimpleHuffmanTable [function] [call site] 00080
4 ConstructHuffmanCode [function] [call site] 00081
4 ConstructHuffmanCode [function] [call site] 00082
4 ConstructHuffmanCode [function] [call site] 00083
4 ConstructHuffmanCode [function] [call site] 00084
4 ConstructHuffmanCode [function] [call site] 00085
4 ConstructHuffmanCode [function] [call site] 00086
4 ConstructHuffmanCode [function] [call site] 00087
4 ConstructHuffmanCode [function] [call site] 00088
4 ConstructHuffmanCode [function] [call site] 00089
4 ConstructHuffmanCode [function] [call site] 00090
4 ConstructHuffmanCode [function] [call site] 00091
4 ConstructHuffmanCode [function] [call site] 00092
4 ConstructHuffmanCode [function] [call site] 00093
4 ConstructHuffmanCode [function] [call site] 00094
4 ConstructHuffmanCode [function] [call site] 00095
4 ConstructHuffmanCode [function] [call site] 00096
4 ConstructHuffmanCode [function] [call site] 00097
4 ConstructHuffmanCode [function] [call site] 00098
4 ConstructHuffmanCode [function] [call site] 00099
4 ConstructHuffmanCode [function] [call site] 00100
4 ConstructHuffmanCode [function] [call site] 00101
4 ConstructHuffmanCode [function] [call site] 00102
4 ConstructHuffmanCode [function] [call site] 00103
3 ReadCodeLengthCodeLengths [function] [call site] 00105
4 BROTLI_PREDICT_FALSE [function] [call site] 00106
4 BrotliSafeGetBits [function] [call site] 00107
4 BrotliGetAvailableBits [function] [call site] 00108
4 BrotliGetBitsUnmasked [function] [call site] 00109
4 BrotliDropBits [function] [call site] 00110
4 BROTLI_LOG_ARRAY_INDEX [function] [call site] 00111
4 BROTLI_FAILURE [function] [call site] 00112
3 BrotliBuildCodeLengthsHuffmanTable [function] [call site] 00113
4 BROTLI_DCHECK [function] [call site] 00114
4 BROTLI_DCHECK [function] [call site] 00115
4 BROTLI_REPEAT_5 [function] [call site] 00116
4 BROTLI_REPEAT_6 [function] [call site] 00117
4 ConstructHuffmanCode [function] [call site] 00118
4 ConstructHuffmanCode [function] [call site] 00119
4 ReplicateValue [function] [call site] 00120
4 BrotliReverseBits [function] [call site] 00121
3 ReadSymbolCodeLengths [function] [call site] 00123
4 BrotliWarmupBitReader [function] [call site] 00124
4 BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD [function] [call site] 00125
4 BrotliCheckInputAmount [function] [call site] 00126
4 BrotliFillBitWindow16 [function] [call site] 00127
5 BrotliFillBitWindow [function] [call site] 00128
6 BROTLI_IS_CONSTANT [function] [call site] 00129
6 BrotliBitReaderLoadBits [function] [call site] 00130
6 BROTLI_UNALIGNED_LOAD64LE [function] [call site] 00131
7 BROTLI_BSWAP64_ [function] [call site] 00132
6 BROTLI_IS_CONSTANT [function] [call site] 00133
6 BrotliBitReaderLoadBits [function] [call site] 00134
6 BROTLI_UNALIGNED_LOAD64LE [function] [call site] 00135
6 BrotliBitReaderLoadBits [function] [call site] 00136
6 BROTLI_UNALIGNED_LOAD32LE [function] [call site] 00137
7 BROTLI_BSWAP32_ [function] [call site] 00138
6 BROTLI_IS_CONSTANT [function] [call site] 00139
6 BrotliBitReaderLoadBits [function] [call site] 00140
6 BROTLI_UNALIGNED_LOAD32LE [function] [call site] 00141
6 BrotliBitReaderLoadBits [function] [call site] 00142
6 BROTLI_UNALIGNED_LOAD16LE [function] [call site] 00143
7 BROTLI_BSWAP16_ [function] [call site] 00144
4 BROTLI_HC_ADJUST_TABLE_INDEX [function] [call site] 00145
4 BrotliGetBitsUnmasked [function] [call site] 00146
4 BrotliDropBits [function] [call site] 00148
4 BROTLI_HC_FAST_LOAD_BITS [function] [call site] 00149
4 BROTLI_HC_FAST_LOAD_VALUE [function] [call site] 00150
4 ProcessSingleCodeLength [function] [call site] 00151
5 BROTLI_LOG [function] [call site] 00152
4 BrotliGetBitsUnmasked [function] [call site] 00153
4 BrotliDropBits [function] [call site] 00155
4 ProcessRepeatedCodeLength [function] [call site] 00156
5 BROTLI_DUMP [function] [call site] 00157
5 BROTLI_LOG [function] [call site] 00158
3 SafeReadSymbolCodeLengths [function] [call site] 00159
4 BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD [function] [call site] 00160
4 BrotliPullByte [function] [call site] 00161
4 BrotliGetAvailableBits [function] [call site] 00162
4 BrotliGetBitsUnmasked [function] [call site] 00163
4 BROTLI_HC_ADJUST_TABLE_INDEX [function] [call site] 00164
4 BROTLI_HC_FAST_LOAD_BITS [function] [call site] 00166
4 BROTLI_HC_FAST_LOAD_VALUE [function] [call site] 00167
4 BrotliDropBits [function] [call site] 00168
4 BROTLI_HC_FAST_LOAD_BITS [function] [call site] 00169
4 ProcessSingleCodeLength [function] [call site] 00170
4 BROTLI_HC_FAST_LOAD_BITS [function] [call site] 00171
4 BROTLI_HC_FAST_LOAD_BITS [function] [call site] 00173
4 BrotliDropBits [function] [call site] 00174
4 BROTLI_HC_FAST_LOAD_BITS [function] [call site] 00175
4 ProcessRepeatedCodeLength [function] [call site] 00176
3 BROTLI_LOG [function] [call site] 00177
3 BROTLI_FAILURE [function] [call site] 00178
3 BrotliBuildHuffmanTable [function] [call site] 00179
4 BROTLI_DCHECK [function] [call site] 00180
4 BROTLI_DCHECK [function] [call site] 00181
4 ConstructHuffmanCode [function] [call site] 00182
4 ReplicateValue [function] [call site] 00183
4 BrotliReverseBits [function] [call site] 00184
4 NextTableBitSize [function] [call site] 00186
4 BrotliReverseBits [function] [call site] 00187
4 ConstructHuffmanCode [function] [call site] 00188
4 ConstructHuffmanCode [function] [call site] 00189
4 ReplicateValue [function] [call site] 00190
4 BrotliReverseBits [function] [call site] 00191
3 BROTLI_FAILURE [function] [call site] 00192
2 ReadHuffmanCode [function] [call site] 00193
2 SafeReadBlockLength [function] [call site] 00194
2 BROTLI_LOG_UINT [function] [call site] 00195
2 CopyUncompressedBlockToOutput [function] [call site] 00196
2 SkipMetadataBlock [function] [call site] 00197
2 BrotliSafeReadBits [function] [call site] 00198
2 BROTLI_LOG_UINT [function] [call site] 00200
2 BROTLI_LOG_UINT [function] [call site] 00201
2 BROTLI_DECODER_ALLOC [function] [call site] 00202
2 BROTLI_FAILURE [function] [call site] 00203
2 ReadContextModes [function] [call site] 00204
3 BrotliSafeReadBits [function] [call site] 00205
3 BROTLI_LOG_ARRAY_INDEX [function] [call site] 00206
2 DecodeContextMap [function] [call site] 00207
3 DecodeVarLenUint8 [function] [call site] 00208
3 BROTLI_LOG_UINT [function] [call site] 00209
3 BROTLI_LOG_UINT [function] [call site] 00210
3 BROTLI_DECODER_ALLOC [function] [call site] 00211
3 BROTLI_FAILURE [function] [call site] 00212
3 BrotliSafeGetBits [function] [call site] 00214
3 BrotliDropBits [function] [call site] 00215
3 BrotliDropBits [function] [call site] 00216
3 BROTLI_LOG_UINT [function] [call site] 00217
3 ReadHuffmanCode [function] [call site] 00218
3 SafeReadSymbol [function] [call site] 00219
3 BROTLI_LOG_UINT [function] [call site] 00220
3 BrotliSafeReadBits [function] [call site] 00221
3 BROTLI_LOG_UINT [function] [call site] 00222
3 BROTLI_FAILURE [function] [call site] 00223
3 BrotliSafeReadBits [function] [call site] 00224
3 InverseMoveToFrontTransform [function] [call site] 00225
3 BROTLI_FAILURE [function] [call site] 00227
2 DetectTrivialLiteralBlockTypes [function] [call site] 00228
3 BROTLI_REPEAT_4 [function] [call site] 00229
2 BROTLI_DISTANCE_ALPHABET_SIZE [function] [call site] 00230
2 BrotliCalculateDistanceCodeLimit [function] [call site] 00231
2 BROTLI_DISTANCE_ALPHABET_SIZE [function] [call site] 00232
2 DecodeContextMap [function] [call site] 00233
2 BrotliDecoderHuffmanTreeGroupInit [function] [call site] 00234
3 BROTLI_DECODER_ALLOC [function] [call site] 00235
2 BrotliDecoderHuffmanTreeGroupInit [function] [call site] 00236
2 BrotliDecoderHuffmanTreeGroupInit [function] [call site] 00237
2 BROTLI_SAVE_ERROR_CODE [function] [call site] 00238
2 BROTLI_FAILURE [function] [call site] 00239
2 BROTLI_SAVE_ERROR_CODE [function] [call site] 00240
2 BROTLI_FAILURE [function] [call site] 00241
2 HuffmanTreeGroupDecode [function] [call site] 00242
3 ReadHuffmanCode [function] [call site] 00243
2 PrepareLiteralDecoding [function] [call site] 00244
3 BROTLI_CONTEXT_LUT [function] [call site] 00245
2 BrotliEnsureRingBuffer [function] [call site] 00246
2 BROTLI_FAILURE [function] [call site] 00247
2 CalculateDistanceLut [function] [call site] 00248
2 ProcessCommands [function] [call site] 00249
2 SafeProcessCommands [function] [call site] 00250
2 WriteRingBuffer [function] [call site] 00251
2 WrapRingBuffer [function] [call site] 00252
2 CopyFromCompoundDictionary [function] [call site] 00253
2 BROTLI_FAILURE [function] [call site] 00255
2 BrotliDecoderStateCleanupAfterMetablock [function] [call site] 00256
3 BROTLI_DECODER_FREE [function] [call site] 00257
3 BROTLI_DECODER_FREE [function] [call site] 00258
3 BROTLI_DECODER_FREE [function] [call site] 00259
3 BROTLI_DECODER_FREE [function] [call site] 00260
3 BROTLI_DECODER_FREE [function] [call site] 00261
3 BROTLI_DECODER_FREE [function] [call site] 00262
2 BrotliJumpToByteBoundary [function] [call site] 00263
2 BROTLI_FAILURE [function] [call site] 00264
2 BrotliBitReaderUnload [function] [call site] 00265
2 BrotliBitReaderGetAvailIn [function] [call site] 00266
2 WriteRingBuffer [function] [call site] 00267
2 BROTLI_SAVE_ERROR_CODE [function] [call site] 00268
2 BROTLI_SAVE_ERROR_CODE [function] [call site] 00269
1 BrotliDecoderDestroyInstance [function] [call site] 00270
2 BrotliDecoderStateCleanup [function] [call site] 00271
3 BrotliDecoderStateCleanupAfterMetablock [function] [call site] 00272
3 BROTLI_DECODER_ON_FINISH [function] [call site] 00273
3 BROTLI_DECODER_FREE [function] [call site] 00274
3 BrotliSharedDictionaryDestroyInstance [function] [call site] 00275
3 BROTLI_DECODER_FREE [function] [call site] 00280
3 BROTLI_DECODER_FREE [function] [call site] 00281
2 free_func [function] [call site] 00282