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
4	4	1 : View List ['CheckSlowModel']	4	4	x86CPUInfo	call site: 00000	/src/libwebp/src/dsp/cpu.c:151
2	44	3 : View List ['xgetbv', 'GetCPUInfo', 'x86CPUInfo']	2	44	x86CPUInfo	call site: 00000	/src/libwebp/src/dsp/cpu.c:158
0	0	None	0	266	ReadHuffmanCodesHelper	call site: 00132	/src/libwebp/src/dec/vp8l_dec.c:473
0	0	None	0	266	ReadHuffmanCodesHelper	call site: 00139	/src/libwebp/src/dec/vp8l_dec.c:483
0	0	None	0	3	VP8LBuildHuffmanTable	call site: 00166	/src/libwebp/src/utils/huffman_utils.c:240
0	0	None	0	0	x86CPUInfo	call site: 00000	/src/libwebp/src/dsp/cpu.c:133
0	0	None	0	0	x86CPUInfo	call site: 00000	/src/libwebp/src/dsp/cpu.c:148
0	0	None	0	0	VP8LHtreeGroupsNew	call site: 00133	/src/libwebp/src/utils/huffman_utils.c:28
0	0	None	0	0	BuildHuffmanTable	call site: 00156	/src/libwebp/src/utils/huffman_utils.c:100

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           VP8LNew

[function] [call site] 00001


             WebPSafeCalloc

[function] [call site] 00002


               CheckSizeArgumentsOverflow

[function] [call site] 00003


                 CheckSizeOverflow

[function] [call site] 00004


               __assert_fail

[call site] 00005


               calloc

[call site] 00006


             VP8LDspInit

[function] [call site] 00007


               pthread_mutex_lock

[call site] 00008


               VP8LDspInit_body

[function] [call site] 00009


                 VP8LPredictor0_C

[function] [call site] 00010


                 PredictorAdd0_C

[function] [call site] 00011


                   VP8LAddPixels

[function] [call site] 00012


                 PredictorAdd0_C

[function] [call site] 00013


                 VP8LAddGreenToBlueAndRed_C

[function] [call site] 00014


                 VP8LTransformColorInverse_C

[function] [call site] 00015


                   ColorTransformDelta

[function] [call site] 00016


                   ColorTransformDelta

[function] [call site] 00017


                   ColorTransformDelta

[function] [call site] 00018


                 VP8LConvertBGRAToRGBA_C

[function] [call site] 00019


                 VP8LConvertBGRAToRGB_C

[function] [call site] 00020


                 VP8LConvertBGRAToBGR_C

[function] [call site] 00021


                 VP8LConvertBGRAToRGBA4444_C

[function] [call site] 00022


                 VP8LConvertBGRAToRGB565_C

[function] [call site] 00023


                 MapARGB_C

[function] [call site] 00024


                   VP8GetARGBIndex

[function] [call site] 00025


                 MapAlpha_C

[function] [call site] 00026


                   VP8GetAlphaIndex

[function] [call site] 00027


                 VP8LDspInitSSE2

[function] [call site] 00028


                   Predictor5_SSE2

[function] [call site] 00029


                     Average3_SSE2

[function] [call site] 00030


                       Average2_uint32_16_SSE2

[function] [call site] 00031


                   Predictor6_SSE2

[function] [call site] 00032


                     Average2_SSE2

[function] [call site] 00033


                       Average2_uint32_SSE2

[function] [call site] 00034


                   Predictor7_SSE2

[function] [call site] 00035


                     Average2_SSE2

[function] [call site] 00036


                   Predictor8_SSE2

[function] [call site] 00037


                     Average2_SSE2

[function] [call site] 00038


                   Predictor9_SSE2

[function] [call site] 00039


                     Average2_SSE2

[function] [call site] 00040


                   Predictor10_SSE2

[function] [call site] 00041


                     Average4_SSE2

[function] [call site] 00042


                       Average2_uint32_16_SSE2

[function] [call site] 00043


                       Average2_uint32_16_SSE2

[function] [call site] 00044


                   Predictor11_SSE2

[function] [call site] 00045


                     Select_SSE2

[function] [call site] 00046


                   Predictor12_SSE2

[function] [call site] 00047


                     ClampedAddSubtractFull_SSE2

[function] [call site] 00048


                   Predictor13_SSE2

[function] [call site] 00049


                     ClampedAddSubtractHalf_SSE2

[function] [call site] 00050


                   PredictorAdd0_SSE2

[function] [call site] 00051


                   PredictorAdd1_SSE2

[function] [call site] 00052


                   PredictorAdd2_SSE2

[function] [call site] 00053


                   PredictorAdd3_SSE2

[function] [call site] 00054


                   PredictorAdd4_SSE2

[function] [call site] 00055


                   PredictorAdd5_SSE2

[function] [call site] 00056


                     __assert_fail

[call site] 00057


                     Predictor5_SSE2

[function] [call site] 00058


                     VP8LAddPixels

[function] [call site] 00059


                   PredictorAdd6_SSE2

[function] [call site] 00060


                     __assert_fail

[call site] 00061


                     Predictor6_SSE2

[function] [call site] 00062


                     VP8LAddPixels

[function] [call site] 00063


                   PredictorAdd7_SSE2

[function] [call site] 00064


                     __assert_fail

[call site] 00065


                     Predictor7_SSE2

[function] [call site] 00066


                     VP8LAddPixels

[function] [call site] 00067


                   PredictorAdd8_SSE2

[function] [call site] 00068


                     Average2_m128i

[function] [call site] 00069


                   PredictorAdd9_SSE2

[function] [call site] 00070


                     Average2_m128i

[function] [call site] 00071


                   PredictorAdd10_SSE2

[function] [call site] 00072


                     Average2_m128i

[function] [call site] 00073


                     Average2_m128i

[function] [call site] 00074


                     Average2_m128i

[function] [call site] 00075


                     Average2_m128i

[function] [call site] 00076


                     Average2_m128i

[function] [call site] 00077


                   PredictorAdd11_SSE2

[function] [call site] 00078


                   PredictorAdd12_SSE2

[function] [call site] 00079


                   PredictorAdd13_SSE2

[function] [call site] 00080


                     __assert_fail

[call site] 00081


                     Predictor13_SSE2

[function] [call site] 00082


                     VP8LAddPixels

[function] [call site] 00083


                   AddGreenToBlueAndRed_SSE2

[function] [call site] 00084


                     VP8LAddGreenToBlueAndRed_C

[function] [call site] 00085


                   TransformColorInverse_SSE2

[function] [call site] 00086


                     VP8LTransformColorInverse_C

[function] [call site] 00087


                   ConvertBGRAToRGB_SSE2

[function] [call site] 00088


                     VP8L32bToPlanar_SSE2

[function] [call site] 00089


                     VP8L32bToPlanar_SSE2

[function] [call site] 00090


                     VP8PlanarTo24b_SSE2

[function] [call site] 00091


                     VP8LConvertBGRAToRGB_C

[function] [call site] 00092


                   ConvertBGRAToRGBA_SSE2

[function] [call site] 00093


                     VP8LConvertBGRAToRGBA_C

[function] [call site] 00094


                   ConvertBGRAToRGBA4444_SSE2

[function] [call site] 00095


                     VP8LConvertBGRAToRGBA4444_C

[function] [call site] 00096


                   ConvertBGRAToRGB565_SSE2

[function] [call site] 00097


                     VP8LConvertBGRAToRGB565_C

[function] [call site] 00098


                   ConvertBGRAToBGR_SSE2

[function] [call site] 00099


                     VP8LConvertBGRAToBGR_C

[function] [call site] 00100


                 VP8LDspInitSSE41

[function] [call site] 00101


                   TransformColorInverse_SSE41

[function] [call site] 00102


                     VP8LTransformColorInverse_C

[function] [call site] 00103


                   ConvertBGRAToRGB_SSE41

[function] [call site] 00104


                     VP8LConvertBGRAToRGB_C

[function] [call site] 00105


                   ConvertBGRAToBGR_SSE41

[function] [call site] 00106


                     VP8LConvertBGRAToBGR_C

[function] [call site] 00107


                 __assert_fail

[call site] 00108


                 __assert_fail

[call site] 00109


                 __assert_fail

[call site] 00110


                 __assert_fail

[call site] 00111


                 __assert_fail

[call site] 00112


                 __assert_fail

[call site] 00113


                 __assert_fail

[call site] 00114


                 __assert_fail

[call site] 00115


                 __assert_fail

[call site] 00116


           VP8LInitBitReader

[function] [call site] 00117


             __assert_fail

[call site] 00118


             __assert_fail

[call site] 00119


             __assert_fail

[call site] 00120


           VP8LReadBits

[function] [call site] 00121


             __assert_fail

[call site] 00122


             VP8LPrefetchBits

[function] [call site] 00123


             ShiftBytes

[function] [call site] 00124


               VP8LIsEndOfStream

[function] [call site] 00125


                 __assert_fail

[call site] 00126


               VP8LSetEndOfStream

[function] [call site] 00127


             VP8LSetEndOfStream

[function] [call site] 00128


           VP8LReadBits

[function] [call site] 00129


           ReadHuffmanCodesHelper

[function] [call site] 00130


             WebPSafeCalloc

[function] [call site] 00131


             VP8LHtreeGroupsNew

[function] [call site] 00132


               WebPSafeMalloc

[function] [call site] 00133


                 CheckSizeArgumentsOverflow

[function] [call site] 00134


                 __assert_fail

[call site] 00135


               __assert_fail

[call site] 00136


             VP8LHuffmanTablesAllocate

[function] [call site] 00137


               WebPSafeMalloc

[function] [call site] 00138


             VP8LSetError

[function] [call site] 00139


             ReadHuffmanCode

[function] [call site] 00140


               VP8LReadBits

[function] [call site] 00141


               VP8LReadBits

[function] [call site] 00142


               VP8LReadBits

[function] [call site] 00143


               VP8LReadBits

[function] [call site] 00144


               VP8LReadBits

[function] [call site] 00145


               VP8LReadBits

[function] [call site] 00146


               __assert_fail

[call site] 00147


               VP8LReadBits

[function] [call site] 00148


               ReadHuffmanCodeLengths

[function] [call site] 00149


                 VP8LHuffmanTablesAllocate

[function] [call site] 00150


                 VP8LBuildHuffmanTable

[function] [call site] 00151


                   BuildHuffmanTable

[function] [call site] 00152


                     __assert_fail

[call site] 00153


                     __assert_fail

[call site] 00154


                     __assert_fail

[call site] 00155


                     __assert_fail

[call site] 00156


                     ReplicateValue

[function] [call site] 00157


                       __assert_fail

[call site] 00158


                     ReplicateValue

[function] [call site] 00159


                     GetNextKey

[function] [call site] 00160


                     NextTableBitSize

[function] [call site] 00161


                     ReplicateValue

[function] [call site] 00162


                     GetNextKey

[function] [call site] 00163


                   __assert_fail

[call site] 00164


                   WebPSafeMalloc

[function] [call site] 00165


                   WebPSafeMalloc

[function] [call site] 00166


                   WebPSafeFree

[function] [call site] 00167


                   BuildHuffmanTable

[function] [call site] 00168


                   WebPSafeMalloc

[function] [call site] 00169


                   BuildHuffmanTable

[function] [call site] 00170


                   WebPSafeFree

[function] [call site] 00171


                 VP8LReadBits

[function] [call site] 00172


                 VP8LReadBits

[function] [call site] 00173


                 VP8LReadBits

[function] [call site] 00174


                 VP8LFillBitWindow

[function] [call site] 00175


                   VP8LDoFillBitWindow

[function] [call site] 00176


                     __assert_fail

[call site] 00177


                     WebPMemToUint32

[function] [call site] 00178


                     ShiftBytes

[function] [call site] 00179


                 VP8LPrefetchBits

[function] [call site] 00180


                 VP8LSetBitPos

[function] [call site] 00181


                 VP8LReadBits

[function] [call site] 00182


                 VP8LHuffmanTablesDeallocate

[function] [call site] 00183


                   WebPSafeFree

[function] [call site] 00184


                   WebPSafeFree

[function] [call site] 00185


                   WebPSafeFree

[function] [call site] 00186


                 VP8LSetError

[function] [call site] 00187


               VP8LBuildHuffmanTable

[function] [call site] 00188


               VP8LSetError

[function] [call site] 00189


             ReadHuffmanCode

[function] [call site] 00190


             BuildPackedTable

[function] [call site] 00191


               AccumulateHCode

[function] [call site] 00192


                 __assert_fail

[call site] 00193


               AccumulateHCode

[function] [call site] 00194


               AccumulateHCode

[function] [call site] 00195


               AccumulateHCode

[function] [call site] 00196


             WebPSafeFree

[function] [call site] 00197


             VP8LHuffmanTablesDeallocate

[function] [call site] 00198


             VP8LHtreeGroupsFree

[function] [call site] 00199


               WebPSafeFree

[function] [call site] 00200


           WebPSafeFree

[function] [call site] 00201


           VP8LHtreeGroupsFree

[function] [call site] 00202


           VP8LHuffmanTablesDeallocate

[function] [call site] 00203


           VP8LDelete

[function] [call site] 00204


             VP8LClear

[function] [call site] 00205


               ClearMetadata

[function] [call site] 00206


                 __assert_fail

[call site] 00207


                 WebPSafeFree

[function] [call site] 00208


                 VP8LHuffmanTablesDeallocate

[function] [call site] 00209


                 VP8LHtreeGroupsFree

[function] [call site] 00210


                 VP8LColorCacheClear

[function] [call site] 00211


                 VP8LColorCacheClear

[function] [call site] 00212


                 InitMetadata

[function] [call site] 00213


                   __assert_fail

[call site] 00214


               WebPSafeFree

[function] [call site] 00215


               ClearTransform

[function] [call site] 00216


                 WebPSafeFree

[function] [call site] 00217


               WebPSafeFree

[function] [call site] 00218


             WebPSafeFree

[function] [call site] 00219