Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique Reachable Functions	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
None	2	ZSTDv01_findFrameSizeInfoLegacy	call site: 00086	/src/zstd/lib/legacy/zstd_v01.c:1994
1 : View List ['MEM_swap32.4328']	0	MEM_writeLE32	call site: 00052	/src/zstd/lib/dictBuilder/../common/mem.h:336
None	0	ZSTD_getDecompressedSize_legacy	call site: 00014	/src/zstd/lib/decompress/../legacy/zstd_legacy.h:110
None	0	ZSTDv02_findFrameSizeInfoLegacy	call site: 00095	/src/zstd/lib/legacy/zstd_v02.c:3295
None	0	ZSTDv03_findFrameSizeInfoLegacy	call site: 00106	/src/zstd/lib/legacy/zstd_v03.c:2934
None	0	ZSTDv04_findFrameSizeInfoLegacy	call site: 00117	/src/zstd/lib/legacy/zstd_v04.c:3105
None	0	ZSTDv05_findFrameSizeInfoLegacy	call site: 00128	/src/zstd/lib/legacy/zstd_v05.c:3496
None	0	ZSTDv06_findFrameSizeInfoLegacy	call site: 00139	/src/zstd/lib/legacy/zstd_v06.c:3630
None	0	ZSTDv07_getFrameParams	call site: 00028	/src/zstd/lib/legacy/zstd_v07.c:3101
None	0	ZSTDv07_findFrameSizeInfoLegacy	call site: 00149	/src/zstd/lib/legacy/zstd_v07.c:3874
None	0	ZSTDv07_findFrameSizeInfoLegacy	call site: 00151	/src/zstd/lib/legacy/zstd_v07.c:3878
1 : View List ['MEM_swap32.6172']	0	MEM_readLE32	call site: 00006	/src/zstd/lib/legacy/zstd_v07.c:351

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           ZSTD_getFrameContentSize

[function] [call site] 00001


             ZSTD_isLegacy

[function] [call site] 00002


               MEM_readLE32

[function] [call site] 00003


                 MEM_isLittleEndian

[function] [call site] 00004


                 MEM_read32

[function] [call site] 00005


                 MEM_read32

[function] [call site] 00006


             ZSTD_getDecompressedSize_legacy

[function] [call site] 00007


               ZSTD_isLegacy

[function] [call site] 00008


               ZSTDv05_getFrameParams

[function] [call site] 00009


                 MEM_readLE32

[function] [call site] 00010


                   MEM_isLittleEndian

[function] [call site] 00011


                   MEM_read32

[function] [call site] 00012


                   MEM_read32

[function] [call site] 00013


               ZSTDv06_getFrameParams

[function] [call site] 00014


                 MEM_readLE32

[function] [call site] 00015


                   MEM_isLittleEndian

[function] [call site] 00016


                   MEM_read32

[function] [call site] 00017


                   MEM_read32

[function] [call site] 00018


                 ZSTDv06_frameHeaderSize

[function] [call site] 00019


                 MEM_readLE16

[function] [call site] 00020


                   MEM_isLittleEndian

[function] [call site] 00021


                   MEM_read16

[function] [call site] 00022


                 MEM_readLE64

[function] [call site] 00023


                   MEM_isLittleEndian

[function] [call site] 00024


                   MEM_read64

[function] [call site] 00025


                   MEM_read64

[function] [call site] 00026


               ZSTDv07_getFrameParams

[function] [call site] 00027


                 MEM_readLE32

[function] [call site] 00028


                   MEM_isLittleEndian

[function] [call site] 00029


                   MEM_read32

[function] [call site] 00030


                   MEM_read32

[function] [call site] 00031


                 MEM_readLE32

[function] [call site] 00032


                 MEM_readLE32

[function] [call site] 00033


                 ZSTDv07_frameHeaderSize

[function] [call site] 00034


                 MEM_32bits

[function] [call site] 00035


                 MEM_32bits

[function] [call site] 00036


                 MEM_readLE16

[function] [call site] 00037


                   MEM_isLittleEndian

[function] [call site] 00038


                   MEM_read16

[function] [call site] 00039


                 MEM_readLE32

[function] [call site] 00040


                 MEM_readLE16

[function] [call site] 00041


                 MEM_readLE32

[function] [call site] 00042


                 MEM_readLE64

[function] [call site] 00043


                   MEM_isLittleEndian

[function] [call site] 00044


                   MEM_read64

[function] [call site] 00045


                   MEM_read64

[function] [call site] 00046


             ZSTD_getFrameHeader

[function] [call site] 00047


               ZSTD_getFrameHeader_advanced

[function] [call site] 00048


                 ZSTD_startingInputLength

[function] [call site] 00049


                   __assert_fail

[call site] 00050


                 MEM_writeLE32

[function] [call site] 00051


                   MEM_isLittleEndian

[function] [call site] 00052


                   MEM_write32

[function] [call site] 00053


                   MEM_swap32

[function] [call site] 00054


                 __assert_fail

[call site] 00055


                 MEM_readLE32

[function] [call site] 00056


                 MEM_writeLE32

[function] [call site] 00057


                 MEM_readLE32

[function] [call site] 00058


                 MEM_readLE32

[function] [call site] 00059


                 MEM_readLE32

[function] [call site] 00060


                 MEM_readLE32

[function] [call site] 00061


                 ZSTD_frameHeaderSize_internal

[function] [call site] 00062


                   ZSTD_startingInputLength

[function] [call site] 00063


                 __assert_fail

[call site] 00064


                 MEM_readLE16

[function] [call site] 00065


                   MEM_isLittleEndian

[function] [call site] 00066


                   MEM_read16

[function] [call site] 00067


                 MEM_readLE32

[function] [call site] 00068


                 __assert_fail

[call site] 00069


                 MEM_readLE16

[function] [call site] 00070


                 MEM_readLE32

[function] [call site] 00071


                 MEM_readLE64

[function] [call site] 00072


                   MEM_isLittleEndian

[function] [call site] 00073


                   MEM_read64

[function] [call site] 00074


                   MEM_read64

[function] [call site] 00075


           ZSTD_getDecompressedSize

[function] [call site] 00076


             ZSTD_getFrameContentSize

[function] [call site] 00077


           ZSTD_findFrameCompressedSize

[function] [call site] 00078


             ZSTD_findFrameCompressedSize_advanced

[function] [call site] 00079


               ZSTD_findFrameSizeInfo

[function] [call site] 00080


                 ZSTD_isLegacy

[function] [call site] 00081


                 ZSTD_findFrameSizeInfoLegacy

[function] [call site] 00082


                   ZSTD_isLegacy

[function] [call site] 00083


                   ZSTDv01_findFrameSizeInfoLegacy

[function] [call site] 00084


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00085


                     ZSTD_readBE32

[function] [call site] 00086


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00087


                     ZSTDv01_getcBlockSize

[function] [call site] 00088


                     ZSTDv01_isError

[function] [call site] 00089


                       ERR_isError

[function] [call site] 00090


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00091


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00092


                   ZSTDv02_findFrameSizeInfoLegacy

[function] [call site] 00093


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00094


                     MEM_readLE32

[function] [call site] 00095


                       MEM_isLittleEndian

[function] [call site] 00096


                       MEM_read32

[function] [call site] 00097


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00098


                     ZSTD_getcBlockSize

[function] [call site] 00099


                     ZSTD_isError

[function] [call site] 00100


                       ERR_isError

[function] [call site] 00101


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00102


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00103


                   ZSTDv03_findFrameSizeInfoLegacy

[function] [call site] 00104


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00105


                     MEM_readLE32

[function] [call site] 00106


                       MEM_isLittleEndian

[function] [call site] 00107


                       MEM_read32

[function] [call site] 00108


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00109


                     ZSTD_getcBlockSize

[function] [call site] 00110


                     ZSTD_isError

[function] [call site] 00111


                       ERR_isError

[function] [call site] 00112


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00113


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00114


                   ZSTDv04_findFrameSizeInfoLegacy

[function] [call site] 00115


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00116


                     MEM_readLE32

[function] [call site] 00117


                       MEM_isLittleEndian

[function] [call site] 00118


                       MEM_read32

[function] [call site] 00119


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00120


                     ZSTD_getcBlockSize

[function] [call site] 00121


                     ZSTD_isError

[function] [call site] 00122


                       ERR_isError

[function] [call site] 00123


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00124


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00125


                   ZSTDv05_findFrameSizeInfoLegacy

[function] [call site] 00126


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00127


                     MEM_readLE32

[function] [call site] 00128


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00129


                     ZSTDv05_getcBlockSize

[function] [call site] 00130


                     ZSTDv05_isError

[function] [call site] 00131


                       ERR_isError

[function] [call site] 00132


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00133


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00134


                   ZSTDv06_findFrameSizeInfoLegacy

[function] [call site] 00135


                     ZSTDv06_frameHeaderSize

[function] [call site] 00136


                     ERR_isError

[function] [call site] 00137


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00138


                     MEM_readLE32

[function] [call site] 00139


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00140


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00141


                     ZSTDv06_getcBlockSize

[function] [call site] 00142


                     ERR_isError

[function] [call site] 00143


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00144


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00145


                   ZSTDv07_findFrameSizeInfoLegacy

[function] [call site] 00146


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00147


                     ZSTDv07_frameHeaderSize

[function] [call site] 00148


                     ERR_isError

[function] [call site] 00149


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00150


                     MEM_readLE32

[function] [call site] 00151


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00152


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00153


                     ZSTDv07_getcBlockSize

[function] [call site] 00154


                     ERR_isError

[function] [call site] 00155


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00156


                     ZSTD_errorFrameSizeInfoLegacy

[function] [call site] 00157


                   ERR_isError

[function] [call site] 00158


                   __assert_fail

[call site] 00159


                 MEM_readLE32

[function] [call site] 00160


                 readSkippableFrameSize

[function] [call site] 00161


                   MEM_readLE32

[function] [call site] 00162


                 ERR_isError

[function] [call site] 00163


                 __assert_fail

[call site] 00164


                 ZSTD_getFrameHeader_advanced

[function] [call site] 00165


                 ERR_isError

[function] [call site] 00166


                 ZSTD_errorFrameSizeInfo

[function] [call site] 00167


                 ZSTD_errorFrameSizeInfo

[function] [call site] 00168


                 ZSTD_getcBlockSize

[function] [call site] 00169


                   MEM_readLE24

[function] [call site] 00170


                     MEM_readLE16

[function] [call site] 00171


                 ERR_isError

[function] [call site] 00172


                 ZSTD_errorFrameSizeInfo

[function] [call site] 00173


                 ZSTD_errorFrameSizeInfo

[function] [call site] 00174


                 ZSTD_errorFrameSizeInfo

[function] [call site] 00175


           ZSTD_getDictID_fromFrame

[function] [call site] 00176


             ZSTD_getFrameHeader

[function] [call site] 00177


             ERR_isError

[function] [call site] 00178


           ZSTD_findDecompressedSize

[function] [call site] 00179


             ZSTD_startingInputLength

[function] [call site] 00180


             MEM_readLE32

[function] [call site] 00181


             readSkippableFrameSize

[function] [call site] 00182


             ERR_isError

[function] [call site] 00183


             __assert_fail

[call site] 00184


             ZSTD_getFrameContentSize

[function] [call site] 00185


             ZSTD_findFrameCompressedSize

[function] [call site] 00186


             ERR_isError

[function] [call site] 00187


             __assert_fail

[call site] 00188


           ZSTD_decompressBound

[function] [call site] 00189


             ZSTD_findFrameSizeInfo

[function] [call site] 00190


             ERR_isError

[function] [call site] 00191


             __assert_fail

[call site] 00192


           ZSTD_frameHeaderSize

[function] [call site] 00193


             ZSTD_frameHeaderSize_internal

[function] [call site] 00194


           ZSTD_isFrame

[function] [call site] 00195


             MEM_readLE32

[function] [call site] 00196


             ZSTD_isLegacy

[function] [call site] 00197


           ZSTD_getFrameHeader

[function] [call site] 00198


           ZSTD_getFrameHeader_advanced

[function] [call site] 00199