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: 00009	/src/zlib/crc32.c:731
7	7	1 : View List ['_tr_align']	7	31	deflate	call site: 00104	/src/zlib/deflate.c:1212
0	474	6 : View List ['updatewindow', 'crc32', 'inflate_table', 'fixedtables', 'inflate_fast', 'adler32']	0	474	inflate	call site: 00145	/src/zlib/inflate.c:817
0	21	1 : View List ['crc32']	451	630	deflate	call site: 00063	/src/zlib/deflate.c:1160
0	21	1 : View List ['deflateEnd']	0	21	deflateInit2_	call site: 00002	/src/zlib/deflate.c:499
0	21	1 : View List ['crc32']	0	21	read_buf	call site: 00034	/src/zlib/deflate.c:227
0	17	2 : View List ['_tr_stored_block', 'flush_pending']	0	17	deflate_stored	call site: 00072	/src/zlib/deflate.c:1800
0	7	1 : View List ['_tr_stored_block']	0	14	_tr_flush_block	call site: 00087	/src/zlib/trees.c:1047
0	0	None	451	879	deflate	call site: 00043	/src/zlib/deflate.c:974
0	0	None	451	869	deflate	call site: 00044	/src/zlib/deflate.c:1009
0	0	None	451	869	deflate	call site: 00044	/src/zlib/deflate.c:1011
0	0	None	451	869	deflate	call site: 00044	/src/zlib/deflate.c:1013

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           test_dict_deflate

[function] [call site] 00001


             deflateInit2_

[function] [call site] 00002


               deflateEnd

[function] [call site] 00003


                 deflateStateCheck

[function] [call site] 00004


               deflateReset

[function] [call site] 00005


                 deflateResetKeep

[function] [call site] 00006


                   deflateStateCheck

[function] [call site] 00007


                   crc32

[function] [call site] 00008


                     crc32_z

[function] [call site] 00009


                       crc_word

[function] [call site] 00010


                       crc_word

[function] [call site] 00011


                       crc_word

[function] [call site] 00012


                       crc_word

[function] [call site] 00013


                       crc_word

[function] [call site] 00014


                       byte_swap

[function] [call site] 00015


                       crc_word_big

[function] [call site] 00016


                       crc_word_big

[function] [call site] 00017


                       crc_word_big

[function] [call site] 00018


                       crc_word_big

[function] [call site] 00019


                       crc_word_big

[function] [call site] 00020


                       byte_swap

[function] [call site] 00021


                   adler32

[function] [call site] 00022


                     adler32_z

[function] [call site] 00023


                   _tr_init

[function] [call site] 00024


                     tr_static_init

[function] [call site] 00025


                     init_block

[function] [call site] 00026


                 lm_init

[function] [call site] 00027


             fprintf

[call site] 00028


             deflateSetDictionary

[function] [call site] 00029


               deflateStateCheck

[function] [call site] 00030


               adler32

[function] [call site] 00031


               fill_window

[function] [call site] 00032


                 slide_hash

[function] [call site] 00033


                 read_buf

[function] [call site] 00034


                   adler32

[function] [call site] 00035


                   crc32

[function] [call site] 00036


               fill_window

[function] [call site] 00037


             fprintf

[call site] 00038


             deflateBound

[function] [call site] 00039


               deflateStateCheck

[function] [call site] 00040


             calloc

[call site] 00041


             deflate

[function] [call site] 00042


               deflateStateCheck

[function] [call site] 00043


               flush_pending

[function] [call site] 00044


                 _tr_flush_bits

[function] [call site] 00045


                   bi_flush

[function] [call site] 00046


               putShortMSB

[function] [call site] 00047


               putShortMSB

[function] [call site] 00048


               putShortMSB

[function] [call site] 00049


               adler32

[function] [call site] 00050


               flush_pending

[function] [call site] 00051


               crc32

[function] [call site] 00052


               flush_pending

[function] [call site] 00053


               crc32

[function] [call site] 00054


               crc32

[function] [call site] 00055


               flush_pending

[function] [call site] 00056


               crc32

[function] [call site] 00057


               crc32

[function] [call site] 00058


               flush_pending

[function] [call site] 00059


               crc32

[function] [call site] 00060


               crc32

[function] [call site] 00061


               flush_pending

[function] [call site] 00062


               crc32

[function] [call site] 00063


               flush_pending

[function] [call site] 00064


               crc32

[function] [call site] 00065


               flush_pending

[function] [call site] 00066


               deflate_stored

[function] [call site] 00067


                 _tr_stored_block

[function] [call site] 00068


                   bi_windup

[function] [call site] 00069


                 flush_pending

[function] [call site] 00070


                 read_buf

[function] [call site] 00071


                 read_buf

[function] [call site] 00072


                 _tr_stored_block

[function] [call site] 00073


                 flush_pending

[function] [call site] 00074


               deflate_huff

[function] [call site] 00075


                 fill_window

[function] [call site] 00076


                 _tr_flush_block

[function] [call site] 00077


                   detect_data_type

[function] [call site] 00078


                   build_tree

[function] [call site] 00079


                     pqdownheap

[function] [call site] 00080


                     pqdownheap

[function] [call site] 00081


                     pqdownheap

[function] [call site] 00082


                     gen_bitlen

[function] [call site] 00083


                     gen_codes

[function] [call site] 00084


                       bi_reverse

[function] [call site] 00085


                   build_tree

[function] [call site] 00086


                   build_bl_tree

[function] [call site] 00087


                     scan_tree

[function] [call site] 00088


                     scan_tree

[function] [call site] 00089


                     build_tree

[function] [call site] 00090


                   _tr_stored_block

[function] [call site] 00091


                   compress_block

[function] [call site] 00092


                   send_all_trees

[function] [call site] 00093


                     send_tree

[function] [call site] 00094


                     send_tree

[function] [call site] 00095


                   compress_block

[function] [call site] 00096


                   init_block

[function] [call site] 00097


                   bi_windup

[function] [call site] 00098


                 flush_pending

[function] [call site] 00099


                 _tr_flush_block

[function] [call site] 00100


                 flush_pending

[function] [call site] 00101


                 _tr_flush_block

[function] [call site] 00102


                 flush_pending

[function] [call site] 00103


               deflate_rle

[function] [call site] 00104


                 fill_window

[function] [call site] 00105


                 _tr_flush_block

[function] [call site] 00106


                 flush_pending

[function] [call site] 00107


                 _tr_flush_block

[function] [call site] 00108


                 flush_pending

[function] [call site] 00109


                 _tr_flush_block

[function] [call site] 00110


                 flush_pending

[function] [call site] 00111


               _tr_align

[function] [call site] 00112


                 bi_flush

[function] [call site] 00113


               _tr_stored_block

[function] [call site] 00114


               flush_pending

[function] [call site] 00115


               putShortMSB

[function] [call site] 00116


               putShortMSB

[function] [call site] 00117


               flush_pending

[function] [call site] 00118


             fprintf

[call site] 00119


             deflateEnd

[function] [call site] 00120


             fprintf

[call site] 00121


           test_dict_inflate

[function] [call site] 00122


             inflateInit_

[function] [call site] 00123


               inflateInit2_

[function] [call site] 00124


                 inflateReset2

[function] [call site] 00125


                   inflateStateCheck

[function] [call site] 00126


                   inflateReset

[function] [call site] 00127


                     inflateStateCheck

[function] [call site] 00128


                     inflateResetKeep

[function] [call site] 00129


                       inflateStateCheck

[function] [call site] 00130


             fprintf

[call site] 00131


             calloc

[call site] 00132


             inflate

[function] [call site] 00133


               inflateStateCheck

[function] [call site] 00134


               crc32

[function] [call site] 00135


               crc32

[function] [call site] 00136


               adler32

[function] [call site] 00137


               crc32

[function] [call site] 00138


               crc32

[function] [call site] 00139


               crc32

[function] [call site] 00140


               crc32

[function] [call site] 00141


               crc32

[function] [call site] 00142


               crc32

[function] [call site] 00143


               crc32

[function] [call site] 00144


               crc32

[function] [call site] 00145


               adler32

[function] [call site] 00146


               fixedtables

[function] [call site] 00147


               inflate_table

[function] [call site] 00148


               inflate_table

[function] [call site] 00149


               inflate_table

[function] [call site] 00150


               inflate_fast

[function] [call site] 00151


               crc32

[function] [call site] 00152


               adler32

[function] [call site] 00153


               updatewindow

[function] [call site] 00154


               crc32

[function] [call site] 00155


               adler32

[function] [call site] 00156


             fprintf

[call site] 00157


             inflateSetDictionary

[function] [call site] 00158


               inflateStateCheck

[function] [call site] 00159


               adler32

[function] [call site] 00160


               adler32

[function] [call site] 00161


               updatewindow

[function] [call site] 00162


             fprintf

[call site] 00163


             inflateEnd

[function] [call site] 00164


               inflateStateCheck

[function] [call site] 00165


             fprintf

[call site] 00166


             memcmp

[call site] 00167


             fprintf

[call site] 00168