Fuzz introspector: deps/brotli/c/fuzz/decode_fuzzer.cc
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
198 0 EP call site: 00000 BrotliDecoderDecompressStream

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 uint8_t::uint8_t [function] [call site] 00001
1 BrotliDecoderCreateInstance [function] [call site] 00002
2 alloc_func [function] [call site] 00004
2 BROTLI_DUMP [function] [call site] 00005
2 BrotliDecoderStateInitWithCustomAllocators [function] [call site] 00006
3 BrotliInitBitReader [function] [call site] 00007
3 BrotliGetDictionary [function] [call site] 00008
1 BrotliDecoderDecompressStream [function] [call site] 00009
2 SaveErrorCode [function] [call site] 00010
2 BROTLI_FAILURE [function] [call site] 00011
2 WriteRingBuffer [function] [call site] 00012
2 BrotliBitReaderUnload [function] [call site] 00013
3 BrotliGetAvailableBits [function] [call site] 00014
2 BrotliWarmupBitReader [function] [call site] 00015
3 BrotliGetAvailableBits [function] [call site] 00016
3 BrotliPullByte [function] [call site] 00017
3 BrotliPullByte [function] [call site] 00018
2 DecodeWindowBits [function] [call site] 00019
3 BrotliTakeBits [function] [call site] 00020
4 BrotliGetBitsUnmasked [function] [call site] 00021
4 BROTLI_LOG [function] [call site] 00024
4 BrotliDropBits [function] [call site] 00025
3 BrotliTakeBits [function] [call site] 00026
3 BrotliTakeBits [function] [call site] 00027
2 BROTLI_LOG_UINT [function] [call site] 00028
2 BROTLI_FAILURE [function] [call site] 00029
2 BROTLI_ALLOC [function] [call site] 00030
2 BROTLI_FAILURE [function] [call site] 00031
2 BrotliDecoderStateMetablockBegin [function] [call site] 00032
2 BROTLI_LOG_UINT [function] [call site] 00033
2 DecodeMetaBlockLength [function] [call site] 00034
2 BROTLI_LOG_UINT [function] [call site] 00035
2 BROTLI_LOG_UINT [function] [call site] 00036
2 BROTLI_LOG_UINT [function] [call site] 00037
2 BROTLI_LOG_UINT [function] [call site] 00038
2 BrotliJumpToByteBoundary [function] [call site] 00039
2 BROTLI_FAILURE [function] [call site] 00040
2 BrotliCalculateRingBufferSize [function] [call site] 00041
2 CopyUncompressedBlockToOutput [function] [call site] 00042
2 BrotliSafeReadBits [function] [call site] 00043
2 DecodeVarLenUint8 [function] [call site] 00044
2 BROTLI_LOG_UINT [function] [call site] 00045
2 ReadHuffmanCode [function] [call site] 00046
3 BrotliSafeReadBits [function] [call site] 00047
3 BROTLI_LOG_UINT [function] [call site] 00048
3 BrotliSafeReadBits [function] [call site] 00051
3 ReadSimpleHuffmanSymbols [function] [call site] 00052
4 Log2Floor [function] [call site] 00053
4 BROTLI_PREDICT_FALSE [function] [call site] 00054
4 BrotliSafeReadBits [function] [call site] 00055
4 BROTLI_FAILURE [function] [call site] 00056
4 BROTLI_LOG_UINT [function] [call site] 00057
4 BROTLI_FAILURE [function] [call site] 00058
3 BrotliSafeReadBits [function] [call site] 00059
3 BROTLI_LOG_UINT [function] [call site] 00060
3 BrotliBuildSimpleHuffmanTable [function] [call site] 00061
3 ReadCodeLengthCodeLengths [function] [call site] 00063
4 BROTLI_PREDICT_FALSE [function] [call site] 00064
4 BrotliSafeGetBits [function] [call site] 00065
4 BrotliGetAvailableBits [function] [call site] 00066
4 BrotliGetBitsUnmasked [function] [call site] 00067
4 BrotliDropBits [function] [call site] 00068
4 BROTLI_LOG_ARRAY_INDEX [function] [call site] 00069
4 BROTLI_FAILURE [function] [call site] 00070
3 BrotliBuildCodeLengthsHuffmanTable [function] [call site] 00071
4 BROTLI_DCHECK [function] [call site] 00072
4 BROTLI_REPEAT [function] [call site] 00073
4 BROTLI_REPEAT [function] [call site] 00074
4 ReplicateValue [function] [call site] 00075
4 BrotliReverseBits [function] [call site] 00076
3 ReadSymbolCodeLengths [function] [call site] 00078
4 BrotliWarmupBitReader [function] [call site] 00079
4 BrotliCheckInputAmount [function] [call site] 00080
4 BrotliFillBitWindow16 [function] [call site] 00081
5 BrotliFillBitWindow [function] [call site] 00082
6 IS_CONSTANT [function] [call site] 00083
6 BrotliLoad64LE [function] [call site] 00084
6 IS_CONSTANT [function] [call site] 00085
6 BrotliLoad64LE [function] [call site] 00086
6 BrotliLoad32LE [function] [call site] 00087
6 IS_CONSTANT [function] [call site] 00088
6 BrotliLoad32LE [function] [call site] 00089
6 BrotliLoad16LE [function] [call site] 00090
4 BrotliGetBitsUnmasked [function] [call site] 00091
4 BrotliDropBits [function] [call site] 00093
4 ProcessSingleCodeLength [function] [call site] 00094
5 BROTLI_LOG [function] [call site] 00095
4 BrotliGetBitsUnmasked [function] [call site] 00096
4 BrotliDropBits [function] [call site] 00098
4 ProcessRepeatedCodeLength [function] [call site] 00099
5 BROTLI_DUMP [function] [call site] 00100
5 BROTLI_LOG [function] [call site] 00101
3 SafeReadSymbolCodeLengths [function] [call site] 00102
4 BrotliPullByte [function] [call site] 00103
4 BrotliGetAvailableBits [function] [call site] 00104
4 BrotliGetBitsUnmasked [function] [call site] 00105
4 BrotliDropBits [function] [call site] 00107
4 ProcessSingleCodeLength [function] [call site] 00108
4 BrotliDropBits [function] [call site] 00110
4 ProcessRepeatedCodeLength [function] [call site] 00111
3 BROTLI_LOG [function] [call site] 00112
3 BROTLI_FAILURE [function] [call site] 00113
3 BrotliBuildHuffmanTable [function] [call site] 00114
4 BROTLI_DCHECK [function] [call site] 00115
4 BROTLI_DCHECK [function] [call site] 00116
4 ReplicateValue [function] [call site] 00117
4 BrotliReverseBits [function] [call site] 00118
4 NextTableBitSize [function] [call site] 00120
4 BrotliReverseBits [function] [call site] 00121
4 ReplicateValue [function] [call site] 00122
4 BrotliReverseBits [function] [call site] 00123
3 BROTLI_FAILURE [function] [call site] 00124
2 ReadHuffmanCode [function] [call site] 00125
2 SafeReadBlockLength [function] [call site] 00126
2 BROTLI_LOG_UINT [function] [call site] 00127
2 BrotliSafeReadBits [function] [call site] 00128
2 BROTLI_LOG_UINT [function] [call site] 00130
2 BROTLI_LOG_UINT [function] [call site] 00131
2 BROTLI_ALLOC [function] [call site] 00133
2 BROTLI_FAILURE [function] [call site] 00134
2 ReadContextModes [function] [call site] 00135
3 BrotliSafeReadBits [function] [call site] 00136
3 BROTLI_LOG_ARRAY_INDEX [function] [call site] 00137
2 DecodeContextMap [function] [call site] 00138
3 DecodeVarLenUint8 [function] [call site] 00139
3 BROTLI_LOG_UINT [function] [call site] 00140
3 BROTLI_LOG_UINT [function] [call site] 00141
3 BROTLI_ALLOC [function] [call site] 00142
3 BROTLI_FAILURE [function] [call site] 00143
3 BrotliSafeGetBits [function] [call site] 00145
3 BrotliDropBits [function] [call site] 00146
3 BrotliDropBits [function] [call site] 00147
3 BROTLI_LOG_UINT [function] [call site] 00148
3 ReadHuffmanCode [function] [call site] 00149
3 SafeReadSymbol [function] [call site] 00150
3 BROTLI_LOG_UINT [function] [call site] 00151
3 BrotliSafeReadBits [function] [call site] 00152
3 BROTLI_LOG_UINT [function] [call site] 00153
3 BROTLI_FAILURE [function] [call site] 00154
3 BrotliSafeReadBits [function] [call site] 00155
3 InverseMoveToFrontTransform [function] [call site] 00156
3 BROTLI_FAILURE [function] [call site] 00158
2 DetectTrivialLiteralBlockTypes [function] [call site] 00159
3 BROTLI_REPEAT [function] [call site] 00160
2 DecodeContextMap [function] [call site] 00161
2 BrotliDecoderHuffmanTreeGroupInit [function] [call site] 00162
3 BROTLI_ALLOC [function] [call site] 00163
2 BrotliDecoderHuffmanTreeGroupInit [function] [call site] 00164
2 BrotliDecoderHuffmanTreeGroupInit [function] [call site] 00165
2 SaveErrorCode [function] [call site] 00166
2 BROTLI_FAILURE [function] [call site] 00167
2 SaveErrorCode [function] [call site] 00168
2 BROTLI_FAILURE [function] [call site] 00169
2 HuffmanTreeGroupDecode [function] [call site] 00170
3 ReadHuffmanCode [function] [call site] 00171
2 PrepareLiteralDecoding [function] [call site] 00172
2 BrotliEnsureRingBuffer [function] [call site] 00173
2 BROTLI_FAILURE [function] [call site] 00174
2 ProcessCommands [function] [call site] 00175
2 SafeProcessCommands [function] [call site] 00176
2 WriteRingBuffer [function] [call site] 00177
2 WrapRingBuffer [function] [call site] 00178
2 BROTLI_FAILURE [function] [call site] 00179
2 BrotliDecoderStateCleanupAfterMetablock [function] [call site] 00180
3 BROTLI_FREE [function] [call site] 00181
3 BROTLI_FREE [function] [call site] 00182
3 BROTLI_FREE [function] [call site] 00183
3 BROTLI_FREE [function] [call site] 00184
3 BROTLI_FREE [function] [call site] 00185
3 BROTLI_FREE [function] [call site] 00186
2 BrotliJumpToByteBoundary [function] [call site] 00187
2 BROTLI_FAILURE [function] [call site] 00188
2 BrotliBitReaderUnload [function] [call site] 00189
2 WriteRingBuffer [function] [call site] 00190
2 SaveErrorCode [function] [call site] 00191
2 SaveErrorCode [function] [call site] 00192
1 BrotliDecoderDestroyInstance [function] [call site] 00193
2 BrotliDecoderStateCleanup [function] [call site] 00194
3 BrotliDecoderStateCleanupAfterMetablock [function] [call site] 00195
3 BROTLI_FREE [function] [call site] 00196
3 BROTLI_FREE [function] [call site] 00197
2 free_func [function] [call site] 00198