Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
527	0	EP	call site: 00000	spng_set_bkgd

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           spng_ctx_new

[function] [call site] 00001


             spng_ctx_new2

[function] [call site] 00002


           spng_set_image_limits

[function] [call site] 00003


           spng_set_chunk_limits

[function] [call site] 00004


           spng_set_option

[function] [call site] 00005


           spng_set_png_stream

[function] [call site] 00006


             spng__malloc

[function] [call site] 00007


           stream_write_fn(spng_ctx*, void*, void*, unsigned long)

[function] [call site] 00008


           spng_set_option

[function] [call site] 00009


           spng_set_ihdr

[function] [call site] 00010


             read_chunks

[function] [call site] 00011


               read_ihdr

[function] [call site] 00012


                 read_data

[function] [call site] 00013


                 memcmp

[call site] 00014


                 read_u32

[function] [call site] 00015


                 memcmp

[call site] 00016


                 crc32

[function] [call site] 00017


                   crc32_z

[function] [call site] 00018


                     crc_word

[function] [call site] 00019


                     crc_word

[function] [call site] 00020


                     crc_word

[function] [call site] 00021


                     crc_word

[function] [call site] 00022


                     crc_word

[function] [call site] 00023


                     byte_swap

[function] [call site] 00024


                     crc_word_big

[function] [call site] 00025


                     crc_word_big

[function] [call site] 00026


                     crc_word_big

[function] [call site] 00027


                     crc_word_big

[function] [call site] 00028


                     crc_word_big

[function] [call site] 00029


                     byte_swap

[function] [call site] 00030


                 crc32

[function] [call site] 00031


                 read_u32

[function] [call site] 00032


                 read_u32

[function] [call site] 00033


                 check_ihdr

[function] [call site] 00034


                 num_channels

[function] [call site] 00035


                 calculate_subimages

[function] [call site] 00036


                   calculate_scanline_width

[function] [call site] 00037


                     num_channels

[function] [call site] 00038


               decode_err

[function] [call site] 00039


               read_non_idat_chunks

[function] [call site] 00040


                 read_header

[function] [call site] 00041


                   read_and_check_crc

[function] [call site] 00042


                     read_data

[function] [call site] 00043


                     read_u32

[function] [call site] 00044


                     is_critical_chunk

[function] [call site] 00045


                   read_data

[function] [call site] 00046


                   read_u32

[function] [call site] 00047


                   is_critical_chunk

[function] [call site] 00048


                   crc32

[function] [call site] 00049


                   crc32

[function] [call site] 00050


                 memcmp

[call site] 00051


                 discard_chunk_bytes

[function] [call site] 00052


                   read_chunk_bytes

[function] [call site] 00053


                     read_data

[function] [call site] 00054


                     crc32

[function] [call site] 00055


                   read_chunk_bytes

[function] [call site] 00056


                 is_small_chunk

[function] [call site] 00057


                   memcmp

[call site] 00058


                   memcmp

[call site] 00059


                   memcmp

[call site] 00060


                   memcmp

[call site] 00061


                   memcmp

[call site] 00062


                   memcmp

[call site] 00063


                   memcmp

[call site] 00064


                   memcmp

[call site] 00065


                   memcmp

[call site] 00066


                   memcmp

[call site] 00067


                   memcmp

[call site] 00068


                 read_chunk_bytes

[function] [call site] 00069


                 is_critical_chunk

[function] [call site] 00070


                 memcmp

[call site] 00071


                 check_plte

[function] [call site] 00072


                 memcmp

[call site] 00073


                 read_and_check_crc

[function] [call site] 00074


                 memcmp

[call site] 00075


                 memcmp

[call site] 00076


                 read_u32

[function] [call site] 00077


                 read_u32

[function] [call site] 00078


                 read_u32

[function] [call site] 00079


                 read_u32

[function] [call site] 00080


                 read_u32

[function] [call site] 00081


                 read_u32

[function] [call site] 00082


                 read_u32

[function] [call site] 00083


                 read_u32

[function] [call site] 00084


                 check_chrm_int

[function] [call site] 00085


                 memcmp

[call site] 00086


                 read_u32

[function] [call site] 00087


                 memcmp

[call site] 00088


                 check_sbit

[function] [call site] 00089


                 memcmp

[call site] 00090


                 memcmp

[call site] 00091


                 read_u16

[function] [call site] 00092


                 read_u16

[function] [call site] 00093


                 read_u16

[function] [call site] 00094


                 read_u16

[function] [call site] 00095


                 memcmp

[call site] 00096


                 read_u16

[function] [call site] 00097


                 read_u16

[function] [call site] 00098


                 read_u16

[function] [call site] 00099


                 read_u16

[function] [call site] 00100


                 memcmp

[call site] 00101


                 read_u16

[function] [call site] 00102


                 memcmp

[call site] 00103


                 read_u32

[function] [call site] 00104


                 read_u32

[function] [call site] 00105


                 check_phys

[function] [call site] 00106


                 memcmp

[call site] 00107


                 read_u16

[function] [call site] 00108


                 check_time

[function] [call site] 00109


                 memcmp

[call site] 00110


                 read_s32

[function] [call site] 00111


                   read_u32

[function] [call site] 00112


                 read_s32

[function] [call site] 00113


                 check_offs

[function] [call site] 00114


                 memcmp

[call site] 00115


                 increase_cache_usage

[function] [call site] 00116


                 spng__malloc

[function] [call site] 00117


                 read_chunk_bytes2

[function] [call site] 00118


                   crc32

[function] [call site] 00119


                 spng__free

[function] [call site] 00120


                 check_exif

[function] [call site] 00121


                   memcmp

[call site] 00122


                 spng__free

[function] [call site] 00123


                 memcmp

[call site] 00124


                 read_chunk_bytes

[function] [call site] 00125


                 memchr

[call site] 00126


                 check_png_keyword

[function] [call site] 00127


                   strlen

[call site] 00128


                   strstr

[call site] 00129


                 spng__inflate_stream

[function] [call site] 00130


                   spng__inflate_init

[function] [call site] 00131


                     inflateEnd

[function] [call site] 00132


                       inflateStateCheck

[function] [call site] 00133


                     inflateInit2_

[function] [call site] 00134


                       inflateReset2

[function] [call site] 00135


                         inflateStateCheck

[function] [call site] 00136


                         inflateReset

[function] [call site] 00137


                           inflateStateCheck

[function] [call site] 00138


                           inflateResetKeep

[function] [call site] 00139


                             inflateStateCheck

[function] [call site] 00140


                     is_critical_chunk

[function] [call site] 00141


                     inflateValidate

[function] [call site] 00142


                       inflateStateCheck

[function] [call site] 00143


                   spng__malloc

[function] [call site] 00144


                   inflate

[function] [call site] 00145


                     inflateStateCheck

[function] [call site] 00146


                     crc32

[function] [call site] 00147


                     crc32

[function] [call site] 00148


                     adler32

[function] [call site] 00149


                       adler32_z

[function] [call site] 00150


                     crc32

[function] [call site] 00151


                     crc32

[function] [call site] 00152


                     crc32

[function] [call site] 00153


                     crc32

[function] [call site] 00154


                     crc32

[function] [call site] 00155


                     crc32

[function] [call site] 00156


                     crc32

[function] [call site] 00157


                     crc32

[function] [call site] 00158


                     adler32

[function] [call site] 00159


                     fixedtables

[function] [call site] 00160


                     inflate_table

[function] [call site] 00161


                     inflate_table

[function] [call site] 00162


                     inflate_table

[function] [call site] 00163


                     inflate_fast

[function] [call site] 00164


                     crc32

[function] [call site] 00165


                     adler32

[function] [call site] 00166


                     updatewindow

[function] [call site] 00167


                     crc32

[function] [call site] 00168


                     adler32

[function] [call site] 00169


                   spng__realloc

[function] [call site] 00170


                   read_chunk_bytes

[function] [call site] 00171


                   spng__realloc

[function] [call site] 00172


                   increase_cache_usage

[function] [call site] 00173


                   spng__free

[function] [call site] 00174


                 memcmp

[call site] 00175


                 memcmp

[call site] 00176


                 memcmp

[call site] 00177


                 increase_cache_usage

[function] [call site] 00178


                 spng__realloc

[function] [call site] 00179


                 read_chunk_bytes

[function] [call site] 00180


                 memchr

[call site] 00181


                 memcmp

[call site] 00182


                 memcmp

[call site] 00183


                 memcmp

[call site] 00184


                 memchr

[call site] 00185


                 memchr

[call site] 00186


                 increase_cache_usage

[function] [call site] 00187


                 spng__calloc

[function] [call site] 00188


                 spng__inflate_stream

[function] [call site] 00189


                 increase_cache_usage

[function] [call site] 00190


                 spng__malloc

[function] [call site] 00191


                 read_chunk_bytes2

[function] [call site] 00192


                 check_png_keyword

[function] [call site] 00193


                 strlen

[call site] 00194


                 check_png_text

[function] [call site] 00195


                 memcmp

[call site] 00196


                 increase_cache_usage

[function] [call site] 00197


                 spng__realloc

[function] [call site] 00198


                 spng__malloc

[function] [call site] 00199


                 read_chunk_bytes2

[function] [call site] 00200


                 memchr

[call site] 00201


                 check_png_keyword

[function] [call site] 00202


                 strcmp

[call site] 00203


                 increase_cache_usage

[function] [call site] 00204


                 spng__malloc

[function] [call site] 00205


                 spng__free

[function] [call site] 00206


                 read_u16

[function] [call site] 00207


                 read_u16

[function] [call site] 00208


                 read_u16

[function] [call site] 00209


                 read_u16

[function] [call site] 00210


                 read_u16

[function] [call site] 00211


                 read_u16

[function] [call site] 00212


                 spng__free

[function] [call site] 00213


                 decrease_cache_usage

[function] [call site] 00214


                 increase_cache_usage

[function] [call site] 00215


                 spng__realloc

[function] [call site] 00216


                 spng__malloc

[function] [call site] 00217


                 read_chunk_bytes2

[function] [call site] 00218


                 spng__free

[function] [call site] 00219


                 discard_chunk_bytes

[function] [call site] 00220


               is_critical_chunk

[function] [call site] 00221


               discard_chunk_bytes

[function] [call site] 00222


               decode_err

[function] [call site] 00223


               decode_err

[function] [call site] 00224


               decode_err

[function] [call site] 00225


             check_ihdr

[function] [call site] 00226


           spng_set_plte

[function] [call site] 00227


             read_chunks

[function] [call site] 00228


             check_plte

[function] [call site] 00229


           spng_set_trns

[function] [call site] 00230


             read_chunks

[function] [call site] 00231


           spng_set_chrm

[function] [call site] 00232


             read_chunks

[function] [call site] 00233


             check_chrm_int

[function] [call site] 00234


           spng_set_chrm_int

[function] [call site] 00235


             read_chunks

[function] [call site] 00236


             check_chrm_int

[function] [call site] 00237


           spng_set_gama

[function] [call site] 00238


             read_chunks

[function] [call site] 00239


           spng_set_sbit

[function] [call site] 00240


             read_chunks

[function] [call site] 00241


             check_sbit

[function] [call site] 00242


           spng_set_srgb

[function] [call site] 00243


             read_chunks

[function] [call site] 00244


           spng_set_bkgd

[function] [call site] 00245


             read_chunks

[function] [call site] 00246


           spng_set_hist

[function] [call site] 00247


             read_chunks

[function] [call site] 00248


           spng_set_phys

[function] [call site] 00249


             read_chunks

[function] [call site] 00250


             check_phys

[function] [call site] 00251


           spng_set_time

[function] [call site] 00252


             read_chunks

[function] [call site] 00253


             check_time

[function] [call site] 00254


           spng_encode_image

[function] [call site] 00255


             calculate_image_width

[function] [call site] 00256


               calculate_scanline_width

[function] [call site] 00257


             encode_err

[function] [call site] 00258


             spng_encode_chunks

[function] [call site] 00259


               write_chunks_before_idat

[function] [call site] 00260


                 write_data

[function] [call site] 00261


                   encode_err

[function] [call site] 00262


                   require_bytes

[function] [call site] 00263


                     spng__realloc

[function] [call site] 00264


                     encode_err

[function] [call site] 00265


                     encode_err

[function] [call site] 00266


                     spng__realloc

[function] [call site] 00267


                     encode_err

[function] [call site] 00268


                   encode_err

[function] [call site] 00269


                 write_u32

[function] [call site] 00270


                 write_u32

[function] [call site] 00271


                 write_chunk

[function] [call site] 00272


                   write_header

[function] [call site] 00273


                     require_bytes

[function] [call site] 00274


                     crc32

[function] [call site] 00275


                     crc32

[function] [call site] 00276


                   finish_chunk

[function] [call site] 00277


                     write_u32

[function] [call site] 00278


                     crc32

[function] [call site] 00279


                     write_u32

[function] [call site] 00280


                     write_data

[function] [call site] 00281


                 write_u32

[function] [call site] 00282


                 write_u32

[function] [call site] 00283


                 write_u32

[function] [call site] 00284


                 write_u32

[function] [call site] 00285


                 write_u32

[function] [call site] 00286


                 write_u32

[function] [call site] 00287


                 write_u32

[function] [call site] 00288


                 write_u32

[function] [call site] 00289


                 write_chunk

[function] [call site] 00290


                 write_u32

[function] [call site] 00291


                 write_chunk

[function] [call site] 00292


                 compressBound

[function] [call site] 00293


                 spng__malloc

[function] [call site] 00294


                 compress2

[function] [call site] 00295


                   deflateInit_

[function] [call site] 00296


                     deflateInit2_

[function] [call site] 00297


                       deflateEnd

[function] [call site] 00298


                         deflateStateCheck

[function] [call site] 00299


                       deflateReset

[function] [call site] 00300


                         deflateResetKeep

[function] [call site] 00301


                           deflateStateCheck

[function] [call site] 00302


                           crc32

[function] [call site] 00303


                           adler32

[function] [call site] 00304


                           _tr_init

[function] [call site] 00305


                             tr_static_init

[function] [call site] 00306


                             init_block

[function] [call site] 00307


                         lm_init

[function] [call site] 00308


                   deflate

[function] [call site] 00309


                     deflateStateCheck

[function] [call site] 00310


                     flush_pending

[function] [call site] 00311


                       _tr_flush_bits

[function] [call site] 00312


                         bi_flush

[function] [call site] 00313


                     putShortMSB

[function] [call site] 00314


                     putShortMSB

[function] [call site] 00315


                     putShortMSB

[function] [call site] 00316


                     adler32

[function] [call site] 00317


                     flush_pending

[function] [call site] 00318


                     crc32

[function] [call site] 00319


                     flush_pending

[function] [call site] 00320


                     crc32

[function] [call site] 00321


                     crc32

[function] [call site] 00322


                     flush_pending

[function] [call site] 00323


                     crc32

[function] [call site] 00324


                     crc32

[function] [call site] 00325


                     flush_pending

[function] [call site] 00326


                     crc32

[function] [call site] 00327


                     crc32

[function] [call site] 00328


                     flush_pending

[function] [call site] 00329


                     crc32

[function] [call site] 00330


                     flush_pending

[function] [call site] 00331


                     crc32

[function] [call site] 00332


                     flush_pending

[function] [call site] 00333


                     deflate_stored

[function] [call site] 00334


                       _tr_stored_block

[function] [call site] 00335


                         bi_windup

[function] [call site] 00336


                       flush_pending

[function] [call site] 00337


                       read_buf

[function] [call site] 00338


                         adler32

[function] [call site] 00339


                         crc32

[function] [call site] 00340


                       read_buf

[function] [call site] 00341


                       _tr_stored_block

[function] [call site] 00342


                       flush_pending

[function] [call site] 00343


                     deflate_huff

[function] [call site] 00344


                       fill_window

[function] [call site] 00345


                         slide_hash

[function] [call site] 00346


                         read_buf

[function] [call site] 00347


                       _tr_flush_block

[function] [call site] 00348


                         detect_data_type

[function] [call site] 00349


                         build_tree

[function] [call site] 00350


                           pqdownheap

[function] [call site] 00351


                           pqdownheap

[function] [call site] 00352


                           pqdownheap

[function] [call site] 00353


                           gen_bitlen

[function] [call site] 00354


                           gen_codes

[function] [call site] 00355


                             bi_reverse

[function] [call site] 00356


                         build_tree

[function] [call site] 00357


                         build_bl_tree

[function] [call site] 00358


                           scan_tree

[function] [call site] 00359


                           scan_tree

[function] [call site] 00360


                           build_tree

[function] [call site] 00361


                         _tr_stored_block

[function] [call site] 00362


                         compress_block

[function] [call site] 00363


                         send_all_trees

[function] [call site] 00364


                           send_tree

[function] [call site] 00365


                           send_tree

[function] [call site] 00366


                         compress_block

[function] [call site] 00367


                         init_block

[function] [call site] 00368


                         bi_windup

[function] [call site] 00369


                       flush_pending

[function] [call site] 00370


                       _tr_flush_block

[function] [call site] 00371


                       flush_pending

[function] [call site] 00372


                       _tr_flush_block

[function] [call site] 00373


                       flush_pending

[function] [call site] 00374


                     deflate_rle

[function] [call site] 00375


                       fill_window

[function] [call site] 00376


                       _tr_flush_block

[function] [call site] 00377


                       flush_pending

[function] [call site] 00378


                       _tr_flush_block

[function] [call site] 00379


                       flush_pending

[function] [call site] 00380


                       _tr_flush_block

[function] [call site] 00381


                       flush_pending

[function] [call site] 00382


                     _tr_align

[function] [call site] 00383


                       bi_flush

[function] [call site] 00384


                     _tr_stored_block

[function] [call site] 00385


                     flush_pending

[function] [call site] 00386


                     putShortMSB

[function] [call site] 00387


                     putShortMSB

[function] [call site] 00388


                     flush_pending

[function] [call site] 00389


                   deflateEnd

[function] [call site] 00390


                 spng__free

[function] [call site] 00391


                 strlen

[call site] 00392


                 write_header

[function] [call site] 00393


                 spng__free

[function] [call site] 00394


                 spng__free

[function] [call site] 00395


                 finish_chunk

[function] [call site] 00396


                 write_chunk

[function] [call site] 00397


                 write_chunk

[function] [call site] 00398


                 write_unknown_chunks

[function] [call site] 00399


                   write_chunk

[function] [call site] 00400


                 write_chunk

[function] [call site] 00401


                 write_u16

[function] [call site] 00402


                 write_u16

[function] [call site] 00403


                 write_u16

[function] [call site] 00404


                 write_u16

[function] [call site] 00405


                 write_chunk

[function] [call site] 00406


                 write_u16

[function] [call site] 00407


                 write_chunk

[function] [call site] 00408


                 write_u16

[function] [call site] 00409


                 write_chunk

[function] [call site] 00410


                 write_u16

[function] [call site] 00411


                 write_u16

[function] [call site] 00412


                 write_u16

[function] [call site] 00413


                 write_chunk

[function] [call site] 00414


                 write_chunk

[function] [call site] 00415


                 write_u32

[function] [call site] 00416


                 write_u32

[function] [call site] 00417


                 write_chunk

[function] [call site] 00418


                 strlen

[call site] 00419


                 write_header

[function] [call site] 00420


                 write_u16

[function] [call site] 00421


                 write_u16

[function] [call site] 00422


                 write_u16

[function] [call site] 00423


                 write_u16

[function] [call site] 00424


                 write_u16

[function] [call site] 00425


                 write_u16

[function] [call site] 00426


                 finish_chunk

[function] [call site] 00427


                 write_u16

[function] [call site] 00428


                 write_chunk

[function] [call site] 00429


                 strlen

[call site] 00430


                 strlen

[call site] 00431


                 strlen

[call site] 00432


                 strlen

[call site] 00433


                 spng__deflate_init

[function] [call site] 00434


                   deflateEnd

[function] [call site] 00435


                   deflateInit2_

[function] [call site] 00436


                 deflateBound

[function] [call site] 00437


                   deflateStateCheck

[function] [call site] 00438


                 spng__malloc

[function] [call site] 00439


                 deflate

[function] [call site] 00440


                 spng__free

[function] [call site] 00441


                 strlen

[call site] 00442


                 write_header

[function] [call site] 00443


                 spng__free

[function] [call site] 00444


                 spng__free

[function] [call site] 00445


                 finish_chunk

[function] [call site] 00446


                 write_s32

[function] [call site] 00447


                   write_u32

[function] [call site] 00448


                 write_s32

[function] [call site] 00449


                 write_chunk

[function] [call site] 00450


                 write_chunk

[function] [call site] 00451


                 write_unknown_chunks

[function] [call site] 00452


               encode_err

[function] [call site] 00453


               write_chunks_after_idat

[function] [call site] 00454


                 write_unknown_chunks

[function] [call site] 00455


                 write_iend

[function] [call site] 00456


                   write_data

[function] [call site] 00457


               encode_err

[function] [call site] 00458


             encode_err

[function] [call site] 00459


             calculate_subimages

[function] [call site] 00460


             encode_err

[function] [call site] 00461


             num_channels

[function] [call site] 00462


             spng__deflate_init

[function] [call site] 00463


             encode_err

[function] [call site] 00464


             spng__malloc

[function] [call site] 00465


             spng__malloc

[function] [call site] 00466


             encode_err

[function] [call site] 00467


             spng__malloc

[function] [call site] 00468


             encode_err

[function] [call site] 00469


             write_header

[function] [call site] 00470


             encode_err

[function] [call site] 00471


             encode_row

[function] [call site] 00472


               encode_scanline

[function] [call site] 00473


                 u16_row_to_bigendian

[function] [call site] 00474


                   write_u16

[function] [call site] 00475


                 get_best_filter

[function] [call site] 00476


                   filter_sum

[function] [call site] 00477


                     paeth

[function] [call site] 00478


                 filter_scanline

[function] [call site] 00479


                   paeth

[function] [call site] 00480


                 encode_err

[function] [call site] 00481


                 write_idat_bytes

[function] [call site] 00482


                   deflate

[function] [call site] 00483


                   finish_chunk

[function] [call site] 00484


                   encode_err

[function] [call site] 00485


                   write_header

[function] [call site] 00486


                   encode_err

[function] [call site] 00487


                 encode_err

[function] [call site] 00488


                 update_row_info

[function] [call site] 00489


                 finish_idat

[function] [call site] 00490


                   deflate

[function] [call site] 00491


                   finish_chunk

[function] [call site] 00492


                   encode_err

[function] [call site] 00493


                   write_header

[function] [call site] 00494


                   encode_err

[function] [call site] 00495


                   trim_chunk

[function] [call site] 00496


                   finish_chunk

[function] [call site] 00497


                 encode_err

[function] [call site] 00498


                 spng_encode_chunks

[function] [call site] 00499


                 encode_err

[function] [call site] 00500


               encode_scanline

[function] [call site] 00501


               encode_scanline

[function] [call site] 00502


             encode_err

[function] [call site] 00503


           spng_get_row_info

[function] [call site] 00504


           spng_encode_row

[function] [call site] 00505


             encode_row

[function] [call site] 00506


           spng_encode_image

[function] [call site] 00507


           spng_get_png_buffer

[function] [call site] 00508


           spng_ctx_free

[function] [call site] 00509


             spng__free

[function] [call site] 00510


             spng__free

[function] [call site] 00511


             spng__free

[function] [call site] 00512


             spng__free

[function] [call site] 00513


             spng__free

[function] [call site] 00514


             spng__free

[function] [call site] 00515


             spng__free

[function] [call site] 00516


             spng__free

[function] [call site] 00517


             spng__free

[function] [call site] 00518


             spng__free

[function] [call site] 00519


             deflateEnd

[function] [call site] 00520


             inflateEnd

[function] [call site] 00521


             spng__free

[function] [call site] 00522


             spng__free

[function] [call site] 00523


             spng__free

[function] [call site] 00524


             spng__free

[function] [call site] 00525


             spng__free

[function] [call site] 00526


             spng__free

[function] [call site] 00527