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
17	17	1 : View List ['PrintBlockSplitPoints']	17	17	ZopfliBlockSplitLZ77	call site: 00267	/src/zopfli/src/zopfli/blocksplitter.c:268
2	2	1 : View List ['exit']	2	2	ZopfliInitCache	call site: 00029	/src/zopfli/src/zopfli/cache.c:34
0	0	None	0	497	ZopfliLZ77Optimal	call site: 00309	/src/zopfli/src/zopfli/squeeze.c:493
0	0	None	0	269	AddLZ77BlockAutoType	call site: 00354	/src/zopfli/src/zopfli/deflate.c:787
0	0	None	0	0	ZopfliLengthLimitedCodeLengths	call site: 00133	/src/zopfli/src/zopfli/katajainen.c:202
0	0	None	0	0	ZopfliLengthLimitedCodeLengths	call site: 00133	/src/zopfli/src/zopfli/katajainen.c:225
0	0	None	0	0	ZopfliVerifyLenDist	call site: 00094	/src/zopfli/src/zopfli/lz77.c:281

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           ZopfliInitOptions

[function] [call site] 00001


           ZopfliCompress

[function] [call site] 00002


             ZopfliGzipCompress

[function] [call site] 00003

CRC

[function] [call site] 00004


               realloc

[call site] 00005


               realloc

[call site] 00006


               realloc

[call site] 00007


               realloc

[call site] 00008


               realloc

[call site] 00009


               realloc

[call site] 00010


               realloc

[call site] 00011


               realloc

[call site] 00012


               realloc

[call site] 00013


               realloc

[call site] 00014


               ZopfliDeflate

[function] [call site] 00015


                 ZopfliDeflatePart

[function] [call site] 00016


                   AddNonCompressedBlock

[function] [call site] 00017


                     AddBit

[function] [call site] 00018


                       realloc

[call site] 00019


                     AddBit

[function] [call site] 00020


                     AddBit

[function] [call site] 00021


                     realloc

[call site] 00022


                     realloc

[call site] 00023


                     realloc

[call site] 00024


                     realloc

[call site] 00025


                     realloc

[call site] 00026


                   ZopfliInitLZ77Store

[function] [call site] 00027


                   ZopfliInitBlockState

[function] [call site] 00028


                     ZopfliInitCache

[function] [call site] 00029


                       fprintf

[call site] 00030


                       exit

[call site] 00031


                   ZopfliLZ77OptimalFixed

[function] [call site] 00032


                     exit

[call site] 00033


                     exit

[call site] 00034


                     ZopfliAllocHash

[function] [call site] 00035


                     LZ77OptimalRun

[function] [call site] 00036


                       GetBestLengths

[function] [call site] 00037


                         GetCostModelMinCost

[function] [call site] 00038


                         ZopfliResetHash

[function] [call site] 00039


                         ZopfliWarmupHash

[function] [call site] 00040


                           UpdateHashValue

[function] [call site] 00041


                           UpdateHashValue

[function] [call site] 00042


                         ZopfliUpdateHash

[function] [call site] 00043


                           UpdateHashValue

[function] [call site] 00044


                         ZopfliUpdateHash

[function] [call site] 00045


                         ZopfliUpdateHash

[function] [call site] 00046


                         ZopfliFindLongestMatch

[function] [call site] 00047


                           TryGetFromLongestMatchCache

[function] [call site] 00048


                             ZopfliMaxCachedSublen

[function] [call site] 00049


                             ZopfliMaxCachedSublen

[function] [call site] 00050


                             ZopfliCacheToSublen

[function] [call site] 00051


                               ZopfliMaxCachedSublen

[function] [call site] 00052


                             __assert_fail

[call site] 00053


                           __assert_fail

[call site] 00054


                           __assert_fail

[call site] 00055


                           __assert_fail

[call site] 00056


                           __assert_fail

[call site] 00057


                           __assert_fail

[call site] 00058


                           __assert_fail

[call site] 00059


                           __assert_fail

[call site] 00060


                           __assert_fail

[call site] 00061


                           __assert_fail

[call site] 00062


                           __assert_fail

[call site] 00063


                           __assert_fail

[call site] 00064


                           GetMatch

[function] [call site] 00065


                           StoreInLongestMatchCache

[function] [call site] 00066


                             __assert_fail

[call site] 00067


                             __assert_fail

[call site] 00068


                             ZopfliSublenToCache

[function] [call site] 00069


                               __assert_fail

[call site] 00070


                               __assert_fail

[call site] 00071


                               ZopfliMaxCachedSublen

[function] [call site] 00072


                               __assert_fail

[call site] 00073


                           __assert_fail

[call site] 00074


                           __assert_fail

[call site] 00075


                         __assert_fail

[call site] 00076


                         zopfli_min

[function] [call site] 00077


                         __assert_fail

[call site] 00078


                         __assert_fail

[call site] 00079


                         __assert_fail

[call site] 00080


                       TraceBackwards

[function] [call site] 00081


                         realloc

[call site] 00082


                         __assert_fail

[call site] 00083


                         __assert_fail

[call site] 00084


                         __assert_fail

[call site] 00085


                       FollowPath

[function] [call site] 00086


                         ZopfliResetHash

[function] [call site] 00087


                         ZopfliWarmupHash

[function] [call site] 00088


                         ZopfliUpdateHash

[function] [call site] 00089


                         __assert_fail

[call site] 00090


                         ZopfliUpdateHash

[function] [call site] 00091


                         ZopfliFindLongestMatch

[function] [call site] 00092


                         __assert_fail

[call site] 00093


                         ZopfliVerifyLenDist

[function] [call site] 00094


                           __assert_fail

[call site] 00095


                         ZopfliStoreLitLenDist

[function] [call site] 00096


                           realloc

[call site] 00097


                           realloc

[call site] 00098


                           realloc

[call site] 00099


                           realloc

[call site] 00100


                           realloc

[call site] 00101


                           __assert_fail

[call site] 00102


                           realloc

[call site] 00103


                           realloc

[call site] 00104


                           realloc

[call site] 00105


                           ZopfliGetLengthSymbol

[function] [call site] 00106


                           realloc

[call site] 00107


                           ZopfliGetDistSymbol

[function] [call site] 00108


                           ZopfliGetLengthSymbol

[function] [call site] 00109


                           ZopfliGetDistSymbol

[function] [call site] 00110


                         ZopfliStoreLitLenDist

[function] [call site] 00111


                         __assert_fail

[call site] 00112


                         ZopfliUpdateHash

[function] [call site] 00113


                       __assert_fail

[call site] 00114


                     GetCostFixed

[function] [call site] 00115


                       ZopfliGetDistExtraBits

[function] [call site] 00116


                       ZopfliGetLengthExtraBits

[function] [call site] 00117


                       ZopfliGetLengthSymbol

[function] [call site] 00118


                     ZopfliCleanHash

[function] [call site] 00119


                   AddLZ77Block

[function] [call site] 00120


                     ZopfliLZ77GetByteRange

[function] [call site] 00121


                     AddNonCompressedBlock

[function] [call site] 00122


                     AddBit

[function] [call site] 00123


                     AddBit

[function] [call site] 00124


                     AddBit

[function] [call site] 00125


                     GetFixedTree

[function] [call site] 00126


                     __assert_fail

[call site] 00127


                     GetDynamicLengths

[function] [call site] 00128


                       ZopfliLZ77GetHistogram

[function] [call site] 00129


                         ZopfliLZ77GetHistogramAt

[function] [call site] 00130


                         ZopfliLZ77GetHistogramAt

[function] [call site] 00131


                       ZopfliCalculateBitLengths

[function] [call site] 00132


                         ZopfliLengthLimitedCodeLengths

[function] [call site] 00133


                           qsort

[call site] 00134


                           LeafComparator

[function] [call site] 00135


                           InitLists

[function] [call site] 00136


                             InitNode

[function] [call site] 00137


                             InitNode

[function] [call site] 00138


                           BoundaryPM

[function] [call site] 00139


                             InitNode

[function] [call site] 00140


                             InitNode

[function] [call site] 00141


                             InitNode

[function] [call site] 00142


                             BoundaryPM

[function] [call site] 00143


                               BoundaryPM

[function] [call site] 00144


                           BoundaryPMFinal

[function] [call site] 00145


                           ExtractBitLengths

[function] [call site] 00146


                         __assert_fail

[call site] 00147


                       ZopfliCalculateBitLengths

[function] [call site] 00148


                       PatchDistanceCodesForBuggyDecoders

[function] [call site] 00149


                       TryOptimizeHuffmanForRle

[function] [call site] 00150


                         CalculateTreeSize

[function] [call site] 00151


                           EncodeTree

[function] [call site] 00152


                             realloc

[call site] 00153


                             realloc

[call site] 00154


                             realloc

[call site] 00155


                             realloc

[call site] 00156


                             realloc

[call site] 00157


                             realloc

[call site] 00158


                             realloc

[call site] 00159


                             realloc

[call site] 00160


                             realloc

[call site] 00161


                             realloc

[call site] 00162


                             ZopfliCalculateBitLengths

[function] [call site] 00163


                             ZopfliLengthsToSymbols

[function] [call site] 00164


                               __assert_fail

[call site] 00165


                             AddBits

[function] [call site] 00166


                               realloc

[call site] 00167


                             AddBits

[function] [call site] 00168


                             AddBits

[function] [call site] 00169


                             AddBits

[function] [call site] 00170


                             AddHuffmanBits

[function] [call site] 00171


                               realloc

[call site] 00172


                             AddBits

[function] [call site] 00173


                             AddBits

[function] [call site] 00174


                             AddBits

[function] [call site] 00175


                         CalculateBlockSymbolSizeGivenCounts

[function] [call site] 00176


                           CalculateBlockSymbolSizeSmall

[function] [call site] 00177


                             __assert_fail

[call site] 00178


                             __assert_fail

[call site] 00179


                             ZopfliGetLengthSymbol

[function] [call site] 00180


                             ZopfliGetDistSymbol

[function] [call site] 00181


                             ZopfliGetLengthSymbolExtraBits

[function] [call site] 00182


                             ZopfliGetDistSymbolExtraBits

[function] [call site] 00183


                           ZopfliGetLengthSymbolExtraBits

[function] [call site] 00184


                           ZopfliGetDistSymbolExtraBits

[function] [call site] 00185


                         OptimizeHuffmanForRle

[function] [call site] 00186


                           AbsDiff

[function] [call site] 00187


                         OptimizeHuffmanForRle

[function] [call site] 00188


                         ZopfliCalculateBitLengths

[function] [call site] 00189


                         ZopfliCalculateBitLengths

[function] [call site] 00190


                         PatchDistanceCodesForBuggyDecoders

[function] [call site] 00191


                         CalculateTreeSize

[function] [call site] 00192


                         CalculateBlockSymbolSizeGivenCounts

[function] [call site] 00193


                     AddDynamicTree

[function] [call site] 00194


                       EncodeTree

[function] [call site] 00195


                       EncodeTree

[function] [call site] 00196


                     fprintf

[call site] 00197


                     ZopfliLengthsToSymbols

[function] [call site] 00198


                     ZopfliLengthsToSymbols

[function] [call site] 00199


                     AddLZ77Data

[function] [call site] 00200


                       __assert_fail

[call site] 00201


                       __assert_fail

[call site] 00202


                       AddHuffmanBits

[function] [call site] 00203


                       ZopfliGetLengthSymbol

[function] [call site] 00204


                       ZopfliGetDistSymbol

[function] [call site] 00205


                       __assert_fail

[call site] 00206


                       __assert_fail

[call site] 00207


                       __assert_fail

[call site] 00208


                       AddHuffmanBits

[function] [call site] 00209


                       ZopfliGetLengthExtraBitsValue

[function] [call site] 00210


                       ZopfliGetLengthExtraBits

[function] [call site] 00211


                       AddBits

[function] [call site] 00212


                       AddHuffmanBits

[function] [call site] 00213


                       ZopfliGetDistExtraBitsValue

[function] [call site] 00214


                       ZopfliGetDistExtraBits

[function] [call site] 00215


                       AddBits

[function] [call site] 00216


                       __assert_fail

[call site] 00217


                     AddHuffmanBits

[function] [call site] 00218


                     fprintf

[call site] 00219


                   ZopfliCleanBlockState

[function] [call site] 00220


                     ZopfliCleanCache

[function] [call site] 00221


                   ZopfliCleanLZ77Store

[function] [call site] 00222


                   ZopfliBlockSplit

[function] [call site] 00223


                     ZopfliInitLZ77Store

[function] [call site] 00224


                     ZopfliInitBlockState

[function] [call site] 00225


                     ZopfliAllocHash

[function] [call site] 00226


                     ZopfliLZ77Greedy

[function] [call site] 00227


                       ZopfliResetHash

[function] [call site] 00228


                       ZopfliWarmupHash

[function] [call site] 00229


                       ZopfliUpdateHash

[function] [call site] 00230


                       ZopfliUpdateHash

[function] [call site] 00231


                       ZopfliFindLongestMatch

[function] [call site] 00232


                       GetLengthScore

[function] [call site] 00233


                       GetLengthScore

[function] [call site] 00234


                       ZopfliStoreLitLenDist

[function] [call site] 00235


                       ZopfliVerifyLenDist

[function] [call site] 00236


                       ZopfliStoreLitLenDist

[function] [call site] 00237


                       __assert_fail

[call site] 00238


                       ZopfliUpdateHash

[function] [call site] 00239


                       ZopfliVerifyLenDist

[function] [call site] 00240


                       ZopfliStoreLitLenDist

[function] [call site] 00241


                       ZopfliStoreLitLenDist

[function] [call site] 00242


                       __assert_fail

[call site] 00243


                       ZopfliUpdateHash

[function] [call site] 00244


                     ZopfliBlockSplitLZ77

[function] [call site] 00245


                       exit

[call site] 00246


                       __assert_fail

[call site] 00247


                       FindMinimum

[function] [call site] 00248


                       SplitCost

[function] [call site] 00249


                         EstimateCost

[function] [call site] 00250


                           ZopfliCalculateBlockSizeAutoType

[function] [call site] 00251


                             ZopfliCalculateBlockSize

[function] [call site] 00252


                               ZopfliLZ77GetByteRange

[function] [call site] 00253


                               GetFixedTree

[function] [call site] 00254


                               CalculateBlockSymbolSize

[function] [call site] 00255


                                 CalculateBlockSymbolSizeSmall

[function] [call site] 00256


                                 ZopfliLZ77GetHistogram

[function] [call site] 00257


                                 CalculateBlockSymbolSizeGivenCounts

[function] [call site] 00258


                               GetDynamicLengths

[function] [call site] 00259


                             ZopfliCalculateBlockSize

[function] [call site] 00260


                             ZopfliCalculateBlockSize

[function] [call site] 00261


                       __assert_fail

[call site] 00262


                       __assert_fail

[call site] 00263


                       EstimateCost

[function] [call site] 00264


                       AddSorted

[function] [call site] 00265


                         realloc

[call site] 00266


                       FindLargestSplittableBlock

[function] [call site] 00267


                       PrintBlockSplitPoints

[function] [call site] 00268


                         realloc

[call site] 00269


                         __assert_fail

[call site] 00270


                         fprintf

[call site] 00271


                         fprintf

[call site] 00272


                         fprintf

[call site] 00273


                         fprintf

[call site] 00274


                         fprintf

[call site] 00275


                     realloc

[call site] 00276


                     __assert_fail

[call site] 00277


                     ZopfliCleanBlockState

[function] [call site] 00278


                     ZopfliCleanLZ77Store

[function] [call site] 00279


                     ZopfliCleanHash

[function] [call site] 00280


                   ZopfliInitLZ77Store

[function] [call site] 00281


                   ZopfliInitLZ77Store

[function] [call site] 00282


                   ZopfliInitBlockState

[function] [call site] 00283


                   ZopfliLZ77Optimal

[function] [call site] 00284


                     exit

[call site] 00285


                     exit

[call site] 00286


                     InitRanState

[function] [call site] 00287


                     InitStats

[function] [call site] 00288


                     ZopfliInitLZ77Store

[function] [call site] 00289


                     ZopfliAllocHash

[function] [call site] 00290


                     ZopfliLZ77Greedy

[function] [call site] 00291


                     GetStatistics

[function] [call site] 00292


                       ZopfliGetLengthSymbol

[function] [call site] 00293


                       ZopfliGetDistSymbol

[function] [call site] 00294


                       CalculateStatistics

[function] [call site] 00295


                         ZopfliCalculateEntropy

[function] [call site] 00296

log

[call site] 00297

log

[call site] 00298


                           __assert_fail

[call site] 00299


                         ZopfliCalculateEntropy

[function] [call site] 00300


                     ZopfliCleanLZ77Store

[function] [call site] 00301


                     ZopfliInitLZ77Store

[function] [call site] 00302


                     LZ77OptimalRun

[function] [call site] 00303


                     GetCostStat

[function] [call site] 00304


                       ZopfliGetLengthSymbol

[function] [call site] 00305


                       ZopfliGetLengthExtraBits

[function] [call site] 00306


                       ZopfliGetDistSymbol

[function] [call site] 00307


                       ZopfliGetDistExtraBits

[function] [call site] 00308


                     ZopfliCalculateBlockSize

[function] [call site] 00309


                     fprintf

[call site] 00310


                     ZopfliCopyLZ77Store

[function] [call site] 00311


                       CeilDiv

[function] [call site] 00312


                       CeilDiv

[function] [call site] 00313


                       ZopfliCleanLZ77Store

[function] [call site] 00314


                       ZopfliInitLZ77Store

[function] [call site] 00315


                       exit

[call site] 00316


                       exit

[call site] 00317


                       exit

[call site] 00318


                       exit

[call site] 00319


                     CopyStats

[function] [call site] 00320


                     CopyStats

[function] [call site] 00321


                     ClearStatFreqs

[function] [call site] 00322


                     GetStatistics

[function] [call site] 00323


                     AddWeighedStatFreqs

[function] [call site] 00324


                     CalculateStatistics

[function] [call site] 00325


                     CopyStats

[function] [call site] 00326


                     RandomizeStatFreqs

[function] [call site] 00327


                       RandomizeFreqs

[function] [call site] 00328

Ran

[function] [call site] 00329


                       RandomizeFreqs

[function] [call site] 00330


                     CalculateStatistics

[function] [call site] 00331


                     ZopfliCleanLZ77Store

[function] [call site] 00332


                     ZopfliCleanHash

[function] [call site] 00333


                   ZopfliCalculateBlockSizeAutoType

[function] [call site] 00334


                   ZopfliAppendLZ77Store

[function] [call site] 00335


                     ZopfliStoreLitLenDist

[function] [call site] 00336


                   ZopfliCleanBlockState

[function] [call site] 00337


                   ZopfliCleanLZ77Store

[function] [call site] 00338


                   ZopfliBlockSplitLZ77

[function] [call site] 00339


                   ZopfliCalculateBlockSizeAutoType

[function] [call site] 00340


                   AddLZ77BlockAutoType

[function] [call site] 00341


                     ZopfliCalculateBlockSize

[function] [call site] 00342


                     ZopfliCalculateBlockSize

[function] [call site] 00343


                     ZopfliCalculateBlockSize

[function] [call site] 00344


                     AddBits

[function] [call site] 00345


                     AddBits

[function] [call site] 00346


                     AddBits

[function] [call site] 00347


                     ZopfliInitLZ77Store

[function] [call site] 00348


                     ZopfliLZ77GetByteRange

[function] [call site] 00349


                     ZopfliInitBlockState

[function] [call site] 00350


                     ZopfliLZ77OptimalFixed

[function] [call site] 00351


                     ZopfliCalculateBlockSize

[function] [call site] 00352


                     ZopfliCleanBlockState

[function] [call site] 00353


                     AddLZ77Block

[function] [call site] 00354


                     AddLZ77Block

[function] [call site] 00355


                     AddLZ77Block

[function] [call site] 00356


                     AddLZ77Block

[function] [call site] 00357


                     ZopfliCleanLZ77Store

[function] [call site] 00358


                   ZopfliCleanLZ77Store

[function] [call site] 00359


                 fprintf

[call site] 00360


               realloc

[call site] 00361


               realloc

[call site] 00362


               realloc

[call site] 00363


               realloc

[call site] 00364


               realloc

[call site] 00365


               realloc

[call site] 00366


               realloc

[call site] 00367


               realloc

[call site] 00368


               fprintf

[call site] 00369


             ZopfliZlibCompress

[function] [call site] 00370


               adler32

[function] [call site] 00371


               realloc

[call site] 00372


               realloc

[call site] 00373


               ZopfliDeflate

[function] [call site] 00374


               realloc

[call site] 00375


               realloc

[call site] 00376


               realloc

[call site] 00377


               fprintf

[call site] 00378


             ZopfliDeflate

[function] [call site] 00379


             __assert_fail

[call site] 00380