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
14	14	2 : View List ['byte_swap', 'crc_word_big']	14	14	crc32_z	call site: 00013	/src/zlib/crc32.c:731
7	7	1 : View List ['_tr_align']	7	31	deflate	call site: 00099	/src/zlib/deflate.c:1212
0	474	6 : View List ['updatewindow', 'crc32', 'inflate_table', 'fixedtables', 'inflate_fast', 'adler32']	0	474	inflate	call site: 00141	/src/zlib/inflate.c:817
0	21	1 : View List ['crc32']	451	630	deflate	call site: 00054	/src/zlib/deflate.c:1160
0	21	1 : View List ['deflateEnd']	0	21	deflateInit2_	call site: 00006	/src/zlib/deflate.c:499
0	21	1 : View List ['crc32']	0	21	read_buf	call site: 00062	/src/zlib/deflate.c:227
0	17	2 : View List ['_tr_stored_block', 'flush_pending']	0	17	deflate_stored	call site: 00065	/src/zlib/deflate.c:1800
0	7	1 : View List ['_tr_stored_block']	0	14	_tr_flush_block	call site: 00082	/src/zlib/trees.c:1047
0	0	None	451	879	deflate	call site: 00034	/src/zlib/deflate.c:974
0	0	None	451	869	deflate	call site: 00035	/src/zlib/deflate.c:1009
0	0	None	451	869	deflate	call site: 00035	/src/zlib/deflate.c:1011
0	0	None	451	869	deflate	call site: 00035	/src/zlib/deflate.c:1013

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           compressBound

[function] [call site] 00001


           calloc

[call site] 00002


           calloc

[call site] 00003


           test_flush

[function] [call site] 00004


             deflateInit_

[function] [call site] 00005


               deflateInit2_

[function] [call site] 00006


                 deflateEnd

[function] [call site] 00007


                   deflateStateCheck

[function] [call site] 00008


                 deflateReset

[function] [call site] 00009


                   deflateResetKeep

[function] [call site] 00010


                     deflateStateCheck

[function] [call site] 00011


                     crc32

[function] [call site] 00012


                       crc32_z

[function] [call site] 00013


                         crc_word

[function] [call site] 00014


                         crc_word

[function] [call site] 00015


                         crc_word

[function] [call site] 00016


                         crc_word

[function] [call site] 00017


                         crc_word

[function] [call site] 00018


                         byte_swap

[function] [call site] 00019


                         crc_word_big

[function] [call site] 00020


                         crc_word_big

[function] [call site] 00021


                         crc_word_big

[function] [call site] 00022


                         crc_word_big

[function] [call site] 00023


                         crc_word_big

[function] [call site] 00024


                         byte_swap

[function] [call site] 00025


                     adler32

[function] [call site] 00026


                       adler32_z

[function] [call site] 00027


                     _tr_init

[function] [call site] 00028


                       tr_static_init

[function] [call site] 00029


                       init_block

[function] [call site] 00030


                   lm_init

[function] [call site] 00031


             fprintf

[call site] 00032


             deflate

[function] [call site] 00033


               deflateStateCheck

[function] [call site] 00034


               flush_pending

[function] [call site] 00035


                 _tr_flush_bits

[function] [call site] 00036


                   bi_flush

[function] [call site] 00037


               putShortMSB

[function] [call site] 00038


               putShortMSB

[function] [call site] 00039


               putShortMSB

[function] [call site] 00040


               adler32

[function] [call site] 00041


               flush_pending

[function] [call site] 00042


               crc32

[function] [call site] 00043


               flush_pending

[function] [call site] 00044


               crc32

[function] [call site] 00045


               crc32

[function] [call site] 00046


               flush_pending

[function] [call site] 00047


               crc32

[function] [call site] 00048


               crc32

[function] [call site] 00049


               flush_pending

[function] [call site] 00050


               crc32

[function] [call site] 00051


               crc32

[function] [call site] 00052


               flush_pending

[function] [call site] 00053


               crc32

[function] [call site] 00054


               flush_pending

[function] [call site] 00055


               crc32

[function] [call site] 00056


               flush_pending

[function] [call site] 00057


               deflate_stored

[function] [call site] 00058


                 _tr_stored_block

[function] [call site] 00059


                   bi_windup

[function] [call site] 00060


                 flush_pending

[function] [call site] 00061


                 read_buf

[function] [call site] 00062


                   adler32

[function] [call site] 00063


                   crc32

[function] [call site] 00064


                 read_buf

[function] [call site] 00065


                 _tr_stored_block

[function] [call site] 00066


                 flush_pending

[function] [call site] 00067


               deflate_huff

[function] [call site] 00068


                 fill_window

[function] [call site] 00069


                   slide_hash

[function] [call site] 00070


                   read_buf

[function] [call site] 00071


                 _tr_flush_block

[function] [call site] 00072


                   detect_data_type

[function] [call site] 00073


                   build_tree

[function] [call site] 00074


                     pqdownheap

[function] [call site] 00075


                     pqdownheap

[function] [call site] 00076


                     pqdownheap

[function] [call site] 00077


                     gen_bitlen

[function] [call site] 00078


                     gen_codes

[function] [call site] 00079


                       bi_reverse

[function] [call site] 00080


                   build_tree

[function] [call site] 00081


                   build_bl_tree

[function] [call site] 00082


                     scan_tree

[function] [call site] 00083


                     scan_tree

[function] [call site] 00084


                     build_tree

[function] [call site] 00085


                   _tr_stored_block

[function] [call site] 00086


                   compress_block

[function] [call site] 00087


                   send_all_trees

[function] [call site] 00088


                     send_tree

[function] [call site] 00089


                     send_tree

[function] [call site] 00090


                   compress_block

[function] [call site] 00091


                   init_block

[function] [call site] 00092


                   bi_windup

[function] [call site] 00093


                 flush_pending

[function] [call site] 00094


                 _tr_flush_block

[function] [call site] 00095


                 flush_pending

[function] [call site] 00096


                 _tr_flush_block

[function] [call site] 00097


                 flush_pending

[function] [call site] 00098


               deflate_rle

[function] [call site] 00099


                 fill_window

[function] [call site] 00100


                 _tr_flush_block

[function] [call site] 00101


                 flush_pending

[function] [call site] 00102


                 _tr_flush_block

[function] [call site] 00103


                 flush_pending

[function] [call site] 00104


                 _tr_flush_block

[function] [call site] 00105


                 flush_pending

[function] [call site] 00106


               _tr_align

[function] [call site] 00107


                 bi_flush

[function] [call site] 00108


               _tr_stored_block

[function] [call site] 00109


               flush_pending

[function] [call site] 00110


               putShortMSB

[function] [call site] 00111


               putShortMSB

[function] [call site] 00112


               flush_pending

[function] [call site] 00113


             fprintf

[call site] 00114


             deflate

[function] [call site] 00115


             fprintf

[call site] 00116


             deflateEnd

[function] [call site] 00117


             fprintf

[call site] 00118


           test_sync

[function] [call site] 00119


             inflateInit_

[function] [call site] 00120


               inflateInit2_

[function] [call site] 00121


                 inflateReset2

[function] [call site] 00122


                   inflateStateCheck

[function] [call site] 00123


                   inflateReset

[function] [call site] 00124


                     inflateStateCheck

[function] [call site] 00125


                     inflateResetKeep

[function] [call site] 00126


                       inflateStateCheck

[function] [call site] 00127


             fprintf

[call site] 00128


             inflate

[function] [call site] 00129


               inflateStateCheck

[function] [call site] 00130


               crc32

[function] [call site] 00131


               crc32

[function] [call site] 00132


               adler32

[function] [call site] 00133


               crc32

[function] [call site] 00134


               crc32

[function] [call site] 00135


               crc32

[function] [call site] 00136


               crc32

[function] [call site] 00137


               crc32

[function] [call site] 00138


               crc32

[function] [call site] 00139


               crc32

[function] [call site] 00140


               crc32

[function] [call site] 00141


               adler32

[function] [call site] 00142


               fixedtables

[function] [call site] 00143


               inflate_table

[function] [call site] 00144


               inflate_table

[function] [call site] 00145


               inflate_table

[function] [call site] 00146


               inflate_fast

[function] [call site] 00147


               crc32

[function] [call site] 00148


               adler32

[function] [call site] 00149


               updatewindow

[function] [call site] 00150


               crc32

[function] [call site] 00151


               adler32

[function] [call site] 00152


             fprintf

[call site] 00153


             inflateSync

[function] [call site] 00154


               inflateStateCheck

[function] [call site] 00155


               syncsearch

[function] [call site] 00156


               syncsearch

[function] [call site] 00157


               inflateReset

[function] [call site] 00158


             fprintf

[call site] 00159


             inflate

[function] [call site] 00160


             fprintf

[call site] 00161


             inflateEnd

[function] [call site] 00162


               inflateStateCheck

[function] [call site] 00163


             fprintf

[call site] 00164