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: 00044	/src/zlib/crc32.c:731
7	7	1 : View List ['_tr_align']	7	31	deflate	call site: 00142	/src/zlib/deflate.c:1212
0	474	6 : View List ['updatewindow', 'crc32', 'inflate_table', 'fixedtables', 'inflate_fast', 'adler32']	0	474	inflate	call site: 00227	/src/zlib/inflate.c:817
0	21	1 : View List ['crc32']	451	630	deflate	call site: 00097	/src/zlib/deflate.c:1160
0	21	1 : View List ['deflateEnd']	0	21	deflateInit2_	call site: 00037	/src/zlib/deflate.c:499
0	21	1 : View List ['crc32']	0	21	read_buf	call site: 00105	/src/zlib/deflate.c:227
0	17	2 : View List ['_tr_stored_block', 'flush_pending']	0	17	deflate_stored	call site: 00108	/src/zlib/deflate.c:1800
0	7	1 : View List ['_tr_stored_block']	0	14	_tr_flush_block	call site: 00125	/src/zlib/trees.c:1047
0	0	None	451	879	deflate	call site: 00077	/src/zlib/deflate.c:974
0	0	None	451	869	deflate	call site: 00078	/src/zlib/deflate.c:1009
0	0	None	451	869	deflate	call site: 00078	/src/zlib/deflate.c:1011
0	0	None	451	869	deflate	call site: 00078	/src/zlib/deflate.c:1013

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           fopen

[call site] 00001


           fwrite

[call site] 00002


           error

[function] [call site] 00003


             fprintf

[call site] 00004


           fclose

[call site] 00005


           error

[function] [call site] 00006


           snprintf

[call site] 00007


           file_compress

[function] [call site] 00008


             strlen

[call site] 00009


             fprintf

[call site] 00010


             snprintf

[call site] 00011


             fopen

[call site] 00012


             perror

[call site] 00013


             gzopen

[function] [call site] 00014


               gz_open

[function] [call site] 00015


                 strlen

[call site] 00016


                 snprintf

[call site] 00017


                 open

[call site] 00018


                 lseek64

[call site] 00019


                 lseek64

[call site] 00020


                 gz_reset

[function] [call site] 00021


                   gz_error

[function] [call site] 00022


                     strlen

[call site] 00023


                     strlen

[call site] 00024


                     snprintf

[call site] 00025


             fprintf

[call site] 00026


             gz_compress

[function] [call site] 00027


               fread

[call site] 00028


               ferror

[call site] 00029


               perror

[call site] 00030


               gzwrite

[function] [call site] 00031


                 gz_error

[function] [call site] 00032


                 gz_write

[function] [call site] 00033


                   gz_init

[function] [call site] 00034


                     gz_error

[function] [call site] 00035


                     gz_error

[function] [call site] 00036


                     deflateInit2_

[function] [call site] 00037


                       deflateEnd

[function] [call site] 00038


                         deflateStateCheck

[function] [call site] 00039


                       deflateReset

[function] [call site] 00040


                         deflateResetKeep

[function] [call site] 00041


                           deflateStateCheck

[function] [call site] 00042


                           crc32

[function] [call site] 00043


                             crc32_z

[function] [call site] 00044


                               crc_word

[function] [call site] 00045


                               crc_word

[function] [call site] 00046


                               crc_word

[function] [call site] 00047


                               crc_word

[function] [call site] 00048


                               crc_word

[function] [call site] 00049


                               byte_swap

[function] [call site] 00050


                               crc_word_big

[function] [call site] 00051


                               crc_word_big

[function] [call site] 00052


                               crc_word_big

[function] [call site] 00053


                               crc_word_big

[function] [call site] 00054


                               crc_word_big

[function] [call site] 00055


                               byte_swap

[function] [call site] 00056


                           adler32

[function] [call site] 00057


                             adler32_z

[function] [call site] 00058


                           _tr_init

[function] [call site] 00059


                             tr_static_init

[function] [call site] 00060


                             init_block

[function] [call site] 00061


                         lm_init

[function] [call site] 00062


                     gz_error

[function] [call site] 00063


                   gz_zero

[function] [call site] 00064


                     gz_comp

[function] [call site] 00065


                       gz_init

[function] [call site] 00066


                       write

[call site] 00067


                       __errno_location

[call site] 00068


                       strerror

[call site] 00069


                       gz_error

[function] [call site] 00070


                       deflateReset

[function] [call site] 00071


                       write

[call site] 00072


                       __errno_location

[call site] 00073


                       strerror

[call site] 00074


                       gz_error

[function] [call site] 00075


                       deflate

[function] [call site] 00076


                         deflateStateCheck

[function] [call site] 00077


                         flush_pending

[function] [call site] 00078


                           _tr_flush_bits

[function] [call site] 00079


                             bi_flush

[function] [call site] 00080


                         putShortMSB

[function] [call site] 00081


                         putShortMSB

[function] [call site] 00082


                         putShortMSB

[function] [call site] 00083


                         adler32

[function] [call site] 00084


                         flush_pending

[function] [call site] 00085


                         crc32

[function] [call site] 00086


                         flush_pending

[function] [call site] 00087


                         crc32

[function] [call site] 00088


                         crc32

[function] [call site] 00089


                         flush_pending

[function] [call site] 00090


                         crc32

[function] [call site] 00091


                         crc32

[function] [call site] 00092


                         flush_pending

[function] [call site] 00093


                         crc32

[function] [call site] 00094


                         crc32

[function] [call site] 00095


                         flush_pending

[function] [call site] 00096


                         crc32

[function] [call site] 00097


                         flush_pending

[function] [call site] 00098


                         crc32

[function] [call site] 00099


                         flush_pending

[function] [call site] 00100


                         deflate_stored

[function] [call site] 00101


                           _tr_stored_block

[function] [call site] 00102


                             bi_windup

[function] [call site] 00103


                           flush_pending

[function] [call site] 00104


                           read_buf

[function] [call site] 00105


                             adler32

[function] [call site] 00106


                             crc32

[function] [call site] 00107


                           read_buf

[function] [call site] 00108


                           _tr_stored_block

[function] [call site] 00109


                           flush_pending

[function] [call site] 00110


                         deflate_huff

[function] [call site] 00111


                           fill_window

[function] [call site] 00112


                             slide_hash

[function] [call site] 00113


                             read_buf

[function] [call site] 00114


                           _tr_flush_block

[function] [call site] 00115


                             detect_data_type

[function] [call site] 00116


                             build_tree

[function] [call site] 00117


                               pqdownheap

[function] [call site] 00118


                               pqdownheap

[function] [call site] 00119


                               pqdownheap

[function] [call site] 00120


                               gen_bitlen

[function] [call site] 00121


                               gen_codes

[function] [call site] 00122


                                 bi_reverse

[function] [call site] 00123


                             build_tree

[function] [call site] 00124


                             build_bl_tree

[function] [call site] 00125


                               scan_tree

[function] [call site] 00126


                               scan_tree

[function] [call site] 00127


                               build_tree

[function] [call site] 00128


                             _tr_stored_block

[function] [call site] 00129


                             compress_block

[function] [call site] 00130


                             send_all_trees

[function] [call site] 00131


                               send_tree

[function] [call site] 00132


                               send_tree

[function] [call site] 00133


                             compress_block

[function] [call site] 00134


                             init_block

[function] [call site] 00135


                             bi_windup

[function] [call site] 00136


                           flush_pending

[function] [call site] 00137


                           _tr_flush_block

[function] [call site] 00138


                           flush_pending

[function] [call site] 00139


                           _tr_flush_block

[function] [call site] 00140


                           flush_pending

[function] [call site] 00141


                         deflate_rle

[function] [call site] 00142


                           fill_window

[function] [call site] 00143


                           _tr_flush_block

[function] [call site] 00144


                           flush_pending

[function] [call site] 00145


                           _tr_flush_block

[function] [call site] 00146


                           flush_pending

[function] [call site] 00147


                           _tr_flush_block

[function] [call site] 00148


                           flush_pending

[function] [call site] 00149


                         _tr_align

[function] [call site] 00150


                           bi_flush

[function] [call site] 00151


                         _tr_stored_block

[function] [call site] 00152


                         flush_pending

[function] [call site] 00153


                         putShortMSB

[function] [call site] 00154


                         putShortMSB

[function] [call site] 00155


                         flush_pending

[function] [call site] 00156


                       gz_error

[function] [call site] 00157


                     gz_comp

[function] [call site] 00158


                   gz_comp

[function] [call site] 00159


                   gz_comp

[function] [call site] 00160


                   gz_comp

[function] [call site] 00161


               gzerror

[function] [call site] 00162


               error

[function] [call site] 00163


               fclose

[call site] 00164


               gzclose

[function] [call site] 00165


                 gzclose_r

[function] [call site] 00166


                   inflateEnd

[function] [call site] 00167


                     inflateStateCheck

[function] [call site] 00168


                   gz_error

[function] [call site] 00169


                   close

[call site] 00170


                 gzclose_w

[function] [call site] 00171


                   gz_zero

[function] [call site] 00172


                   gz_comp

[function] [call site] 00173


                   deflateEnd

[function] [call site] 00174


                   gz_error

[function] [call site] 00175


                   close

[call site] 00176


               error

[function] [call site] 00177


             unlink

[call site] 00178


           file_uncompress

[function] [call site] 00179


             strlen

[call site] 00180


             fprintf

[call site] 00181


             snprintf

[call site] 00182


             strcmp

[call site] 00183


             snprintf

[call site] 00184


             gzopen

[function] [call site] 00185


             fprintf

[call site] 00186


             fopen

[call site] 00187


             perror

[call site] 00188


             gz_uncompress

[function] [call site] 00189


               gzread

[function] [call site] 00190


                 gz_error

[function] [call site] 00191


                 gz_read

[function] [call site] 00192


                   gz_skip

[function] [call site] 00193


                     gz_fetch

[function] [call site] 00194


                       gz_look

[function] [call site] 00195


                         gz_error

[function] [call site] 00196


                         inflateInit2_

[function] [call site] 00197


                           inflateReset2

[function] [call site] 00198


                             inflateStateCheck

[function] [call site] 00199


                             inflateReset

[function] [call site] 00200


                               inflateStateCheck

[function] [call site] 00201


                               inflateResetKeep

[function] [call site] 00202


                                 inflateStateCheck

[function] [call site] 00203


                         gz_error

[function] [call site] 00204


                         gz_avail

[function] [call site] 00205


                           gz_load

[function] [call site] 00206


                             read

[call site] 00207


                             __errno_location

[call site] 00208


                             strerror

[call site] 00209


                         inflateReset

[function] [call site] 00210


                       gz_load

[function] [call site] 00211


                       gz_decomp

[function] [call site] 00212


                         gz_avail

[function] [call site] 00213


                         gz_error

[function] [call site] 00214


                         inflate

[function] [call site] 00215


                           inflateStateCheck

[function] [call site] 00216


                           crc32

[function] [call site] 00217


                           crc32

[function] [call site] 00218


                           adler32

[function] [call site] 00219


                           crc32

[function] [call site] 00220


                           crc32

[function] [call site] 00221


                           crc32

[function] [call site] 00222


                           crc32

[function] [call site] 00223


                           crc32

[function] [call site] 00224


                           crc32

[function] [call site] 00225


                           crc32

[function] [call site] 00226


                           crc32

[function] [call site] 00227


                           adler32

[function] [call site] 00228


                           fixedtables

[function] [call site] 00229


                           inflate_table

[function] [call site] 00230


                           inflate_table

[function] [call site] 00231


                           inflate_table

[function] [call site] 00232


                           inflate_fast

[function] [call site] 00233


                           crc32

[function] [call site] 00234


                           adler32

[function] [call site] 00235


                           updatewindow

[function] [call site] 00236


                           crc32

[function] [call site] 00237


                           adler32

[function] [call site] 00238


                         gz_error

[function] [call site] 00239


                         gz_error

[function] [call site] 00240


                         gz_error

[function] [call site] 00241


                   gz_fetch

[function] [call site] 00242


                   gz_load

[function] [call site] 00243


                   gz_decomp

[function] [call site] 00244


               gzerror

[function] [call site] 00245


               error

[function] [call site] 00246


               fwrite

[call site] 00247


               error

[function] [call site] 00248


               fclose

[call site] 00249


               error

[function] [call site] 00250


               gzclose

[function] [call site] 00251


               error

[function] [call site] 00252


             unlink

[call site] 00253


           fopen

[call site] 00254


           perror

[call site] 00255


           fread

[call site] 00256


           ferror

[call site] 00257


           perror

[call site] 00258


           memcmp

[call site] 00259


           __assert_fail

[call site] 00260


           fclose

[call site] 00261


           error

[function] [call site] 00262