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: 00012	/src/zlib/crc32.c:731
7	7	1 : View List ['_tr_align']	7	31	deflate	call site: 00098	/src/zlib/deflate.c:1212
0	474	6 : View List ['updatewindow', 'crc32', 'inflate_table', 'fixedtables', 'inflate_fast', 'adler32']	0	474	inflate	call site: 00150	/src/zlib/inflate.c:817
0	21	1 : View List ['crc32']	451	630	deflate	call site: 00053	/src/zlib/deflate.c:1160
0	21	1 : View List ['deflateEnd']	0	21	deflateInit2_	call site: 00005	/src/zlib/deflate.c:499
0	21	1 : View List ['crc32']	0	21	read_buf	call site: 00061	/src/zlib/deflate.c:227
0	17	2 : View List ['_tr_stored_block', 'flush_pending']	0	17	deflate_stored	call site: 00064	/src/zlib/deflate.c:1800
0	7	1 : View List ['_tr_stored_block']	0	14	_tr_flush_block	call site: 00081	/src/zlib/trees.c:1047
0	0	None	451	879	deflate	call site: 00033	/src/zlib/deflate.c:974
0	0	None	451	869	deflate	call site: 00034	/src/zlib/deflate.c:1009
0	0	None	451	869	deflate	call site: 00034	/src/zlib/deflate.c:1011
0	0	None	451	869	deflate	call site: 00034	/src/zlib/deflate.c:1013

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           calloc

[call site] 00001


           calloc

[call site] 00002


           test_large_deflate

[function] [call site] 00003


             deflateInit_

[function] [call site] 00004


               deflateInit2_

[function] [call site] 00005


                 deflateEnd

[function] [call site] 00006


                   deflateStateCheck

[function] [call site] 00007


                 deflateReset

[function] [call site] 00008


                   deflateResetKeep

[function] [call site] 00009


                     deflateStateCheck

[function] [call site] 00010


                     crc32

[function] [call site] 00011


                       crc32_z

[function] [call site] 00012


                         crc_word

[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


                         byte_swap

[function] [call site] 00018


                         crc_word_big

[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


                         byte_swap

[function] [call site] 00024


                     adler32

[function] [call site] 00025


                       adler32_z

[function] [call site] 00026


                     _tr_init

[function] [call site] 00027


                       tr_static_init

[function] [call site] 00028


                       init_block

[function] [call site] 00029


                   lm_init

[function] [call site] 00030


             fprintf

[call site] 00031


             deflate

[function] [call site] 00032


               deflateStateCheck

[function] [call site] 00033


               flush_pending

[function] [call site] 00034


                 _tr_flush_bits

[function] [call site] 00035


                   bi_flush

[function] [call site] 00036


               putShortMSB

[function] [call site] 00037


               putShortMSB

[function] [call site] 00038


               putShortMSB

[function] [call site] 00039


               adler32

[function] [call site] 00040


               flush_pending

[function] [call site] 00041


               crc32

[function] [call site] 00042


               flush_pending

[function] [call site] 00043


               crc32

[function] [call site] 00044


               crc32

[function] [call site] 00045


               flush_pending

[function] [call site] 00046


               crc32

[function] [call site] 00047


               crc32

[function] [call site] 00048


               flush_pending

[function] [call site] 00049


               crc32

[function] [call site] 00050


               crc32

[function] [call site] 00051


               flush_pending

[function] [call site] 00052


               crc32

[function] [call site] 00053


               flush_pending

[function] [call site] 00054


               crc32

[function] [call site] 00055


               flush_pending

[function] [call site] 00056


               deflate_stored

[function] [call site] 00057


                 _tr_stored_block

[function] [call site] 00058


                   bi_windup

[function] [call site] 00059


                 flush_pending

[function] [call site] 00060


                 read_buf

[function] [call site] 00061


                   adler32

[function] [call site] 00062


                   crc32

[function] [call site] 00063


                 read_buf

[function] [call site] 00064


                 _tr_stored_block

[function] [call site] 00065


                 flush_pending

[function] [call site] 00066


               deflate_huff

[function] [call site] 00067


                 fill_window

[function] [call site] 00068


                   slide_hash

[function] [call site] 00069


                   read_buf

[function] [call site] 00070


                 _tr_flush_block

[function] [call site] 00071


                   detect_data_type

[function] [call site] 00072


                   build_tree

[function] [call site] 00073


                     pqdownheap

[function] [call site] 00074


                     pqdownheap

[function] [call site] 00075


                     pqdownheap

[function] [call site] 00076


                     gen_bitlen

[function] [call site] 00077


                     gen_codes

[function] [call site] 00078


                       bi_reverse

[function] [call site] 00079


                   build_tree

[function] [call site] 00080


                   build_bl_tree

[function] [call site] 00081


                     scan_tree

[function] [call site] 00082


                     scan_tree

[function] [call site] 00083


                     build_tree

[function] [call site] 00084


                   _tr_stored_block

[function] [call site] 00085


                   compress_block

[function] [call site] 00086


                   send_all_trees

[function] [call site] 00087


                     send_tree

[function] [call site] 00088


                     send_tree

[function] [call site] 00089


                   compress_block

[function] [call site] 00090


                   init_block

[function] [call site] 00091


                   bi_windup

[function] [call site] 00092


                 flush_pending

[function] [call site] 00093


                 _tr_flush_block

[function] [call site] 00094


                 flush_pending

[function] [call site] 00095


                 _tr_flush_block

[function] [call site] 00096


                 flush_pending

[function] [call site] 00097


               deflate_rle

[function] [call site] 00098


                 fill_window

[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


                 _tr_flush_block

[function] [call site] 00104


                 flush_pending

[function] [call site] 00105


               _tr_align

[function] [call site] 00106


                 bi_flush

[function] [call site] 00107


               _tr_stored_block

[function] [call site] 00108


               flush_pending

[function] [call site] 00109


               putShortMSB

[function] [call site] 00110


               putShortMSB

[function] [call site] 00111


               flush_pending

[function] [call site] 00112


             fprintf

[call site] 00113


             fprintf

[call site] 00114


             deflateParams

[function] [call site] 00115


               deflateStateCheck

[function] [call site] 00116


               deflate

[function] [call site] 00117


               slide_hash

[function] [call site] 00118


             deflate

[function] [call site] 00119


             fprintf

[call site] 00120


             deflateParams

[function] [call site] 00121


             deflate

[function] [call site] 00122


             fprintf

[call site] 00123


             deflate

[function] [call site] 00124


             fprintf

[call site] 00125


             deflateEnd

[function] [call site] 00126


             fprintf

[call site] 00127


           test_large_inflate

[function] [call site] 00128


             inflateInit_

[function] [call site] 00129


               inflateInit2_

[function] [call site] 00130


                 inflateReset2

[function] [call site] 00131


                   inflateStateCheck

[function] [call site] 00132


                   inflateReset

[function] [call site] 00133


                     inflateStateCheck

[function] [call site] 00134


                     inflateResetKeep

[function] [call site] 00135


                       inflateStateCheck

[function] [call site] 00136


             fprintf

[call site] 00137


             inflate

[function] [call site] 00138


               inflateStateCheck

[function] [call site] 00139


               crc32

[function] [call site] 00140


               crc32

[function] [call site] 00141


               adler32

[function] [call site] 00142


               crc32

[function] [call site] 00143


               crc32

[function] [call site] 00144


               crc32

[function] [call site] 00145


               crc32

[function] [call site] 00146


               crc32

[function] [call site] 00147


               crc32

[function] [call site] 00148


               crc32

[function] [call site] 00149


               crc32

[function] [call site] 00150


               adler32

[function] [call site] 00151


               fixedtables

[function] [call site] 00152


               inflate_table

[function] [call site] 00153


               inflate_table

[function] [call site] 00154


               inflate_table

[function] [call site] 00155


               inflate_fast

[function] [call site] 00156


               crc32

[function] [call site] 00157


               adler32

[function] [call site] 00158


               updatewindow

[function] [call site] 00159


               crc32

[function] [call site] 00160


               adler32

[function] [call site] 00161


             fprintf

[call site] 00162


             inflateEnd

[function] [call site] 00163


               inflateStateCheck

[function] [call site] 00164


             fprintf

[call site] 00165


             fprintf

[call site] 00166