Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
10	35	zxc_stream_engine_run	call site: 00035	zxc_stream_engine_fail
6	94	zxc_async_writer	call site: 00094	pthread_mutex_lock
4	63	zxc_cctx_free	call site: 00063	pthread_mutex_lock
3	55	zxc_stream_worker	call site: 00055	zxc_huf_dict_tree_build
3	101	zxc_async_writer	call site: 00101	pthread_mutex_lock
2	59	zxc_pivco_tree_build	call site: 00059	zxc_cctx_free
2	78	zxc_stream_worker	call site: 00078	pthread_cond_broadcast
2	83	zxc_stream_worker	call site: 00083	zxc_stream_engine_fail
1	10	zxc_stream_get_decompressed_size	call site: 00010	fseeko64
1	13	zxc_stream_get_decompressed_size	call site: 00013	fseeko64
1	16	zxc_stream_get_decompressed_size	call site: 00016	fseeko64
1	18	zxc_stream_get_decompressed_size	call site: 00018	zxc_stream_decompress

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           zxc_max_level

[function] [call site] 00001


           fuzz_raw

[function] [call site] 00002


             fmemopen

[call site] 00003


             zxc_stream_get_decompressed_size

[function] [call site] 00004


               ftello64

[call site] 00005


               fseeko64

[call site] 00006


               ftello64

[call site] 00007


               fseeko64

[call site] 00008


               fseeko64

[call site] 00009


               fread

[call site] 00010


               fseeko64

[call site] 00011


               zxc_read_file_header

[function] [call site] 00012


               fseeko64

[call site] 00013


               fseeko64

[call site] 00014


               fseeko64

[call site] 00015


               fread

[call site] 00016


               fseeko64

[call site] 00017


               fseeko64

[call site] 00018


             zxc_stream_decompress

[function] [call site] 00019


               zxc_stream_engine_run

[function] [call site] 00020


                 ftello64

[call site] 00021


                 fseeko64

[call site] 00022


                 ftello64

[call site] 00023


                 fseeko64

[call site] 00024


                 fread

[call site] 00025


                 zxc_read_file_header

[function] [call site] 00026


                 zxc_dict_id

[function] [call site] 00027


                 sysconf

[call site] 00028


                 zxc_compress_bound

[function] [call site] 00029


                 zxc_aligned_malloc

[function] [call site] 00030


                   posix_memalign

[call site] 00031


                 pthread_mutex_init

[call site] 00032


                 pthread_cond_init

[call site] 00033


                 pthread_cond_init

[call site] 00034


                 pthread_cond_init

[call site] 00035


                 zxc_stream_engine_fail

[function] [call site] 00036


                   pthread_mutex_lock

[call site] 00037


                   pthread_cond_broadcast

[call site] 00038


                   pthread_mutex_unlock

[call site] 00039


                   pthread_join

[call site] 00040


                   pthread_cond_destroy

[call site] 00041


                   pthread_cond_destroy

[call site] 00042


                   pthread_cond_destroy

[call site] 00043


                   pthread_mutex_destroy

[call site] 00044


                   zxc_aligned_free

[function] [call site] 00045


                 pthread_create

[call site] 00046


                 zxc_stream_worker

[function] [call site] 00047


                   zxc_cctx_init

[function] [call site] 00048


                     compute_cctx_layout

[function] [call site] 00049


                       zxc_dctx_entropy_sizes

[function] [call site] 00050


                     zxc_aligned_malloc

[function] [call site] 00051


                     zxc_cctx_init_in_workspace

[function] [call site] 00052


                       compute_cctx_layout

[function] [call site] 00053


                     zxc_aligned_free

[function] [call site] 00054


                   zxc_cctx_attach_dict_huf

[function] [call site] 00055


                     zxc_huf_dict_tree_build

[function] [call site] 00056


                       zxc_huf_unpack_lengths_default

[function] [call site] 00057


                       zxc_pivco_tree_build

[function] [call site] 00058


                         zxc_pivco_bitrev_permute

[function] [call site] 00059


                       zxc_pivco_codes

[function] [call site] 00060


                   zxc_cctx_free

[function] [call site] 00061


                     zxc_aligned_free

[function] [call site] 00062


                     zxc_aligned_free

[function] [call site] 00063


                   pthread_mutex_lock

[call site] 00064


                   pthread_cond_broadcast

[call site] 00065


                   pthread_cond_broadcast

[call site] 00066


                   pthread_mutex_unlock

[call site] 00067


                   pthread_mutex_lock

[call site] 00068


                   pthread_cond_wait

[call site] 00069


                   pthread_mutex_unlock

[call site] 00070


                   pthread_mutex_unlock

[call site] 00071


                   zxc_compress_chunk_wrapper

[function] [call site] 00072


                   zxc_decompress_chunk_wrapper

[function] [call site] 00073


                   zxc_compress_chunk_wrapper

[function] [call site] 00074


                   zxc_decompress_chunk_wrapper

[function] [call site] 00075


                   zxc_compress_chunk_wrapper

[function] [call site] 00076


                   zxc_decompress_chunk_wrapper

[function] [call site] 00077


                   pthread_mutex_lock

[call site] 00078


                   pthread_cond_broadcast

[call site] 00079


                   pthread_cond_broadcast

[call site] 00080


                   pthread_cond_signal

[call site] 00081


                   pthread_mutex_unlock

[call site] 00082


                   zxc_cctx_free

[function] [call site] 00083


                 zxc_stream_engine_fail

[function] [call site] 00084


                 zxc_stream_engine_fail

[function] [call site] 00085


                 zxc_dict_id

[function] [call site] 00086


                 zxc_write_file_header

[function] [call site] 00087


                 fwrite

[call site] 00088


                 pthread_create

[call site] 00089


                 zxc_async_writer

[function] [call site] 00090


                   pthread_mutex_lock

[call site] 00091


                   pthread_cond_wait

[call site] 00092


                   pthread_mutex_unlock

[call site] 00093


                   fwrite

[call site] 00094


                   pthread_mutex_lock

[call site] 00095


                   pthread_cond_signal

[call site] 00096


                   pthread_mutex_unlock

[call site] 00097


                   pthread_mutex_lock

[call site] 00098


                   pthread_cond_signal

[call site] 00099


                   pthread_mutex_unlock

[call site] 00100


                   realloc

[call site] 00101


                   pthread_mutex_lock

[call site] 00102


                   pthread_cond_signal

[call site] 00103


                   pthread_mutex_unlock

[call site] 00104


                   pthread_mutex_lock

[call site] 00105


                   pthread_cond_signal

[call site] 00106


                   pthread_mutex_unlock

[call site] 00107


                 zxc_stream_engine_fail

[function] [call site] 00108


                 zxc_stream_read_loop

[function] [call site] 00109


                   pthread_mutex_lock

[call site] 00110


                   pthread_cond_wait

[call site] 00111


                   pthread_mutex_unlock

[call site] 00112


                   fread

[call site] 00113


                   fread

[call site] 00114


                   zxc_read_block_header

[function] [call site] 00115


                   fread

[call site] 00116


                   pthread_mutex_lock

[call site] 00117


                   pthread_cond_signal

[call site] 00118


                   pthread_mutex_unlock

[call site] 00119


                 pthread_mutex_lock

[call site] 00120


                 pthread_cond_wait

[call site] 00121


                 pthread_cond_broadcast

[call site] 00122


                 pthread_mutex_unlock

[call site] 00123


                 pthread_join

[call site] 00124


                 pthread_mutex_lock

[call site] 00125


                 pthread_cond_broadcast

[call site] 00126


                 pthread_mutex_unlock

[call site] 00127


                 pthread_join

[call site] 00128


                 pthread_cond_destroy

[call site] 00129


                 pthread_cond_destroy

[call site] 00130


                 pthread_cond_destroy

[call site] 00131


                 pthread_mutex_destroy

[call site] 00132


                 zxc_stream_finish_compress

[function] [call site] 00133


                   zxc_write_block_header

[function] [call site] 00134


                   fwrite

[call site] 00135


                   zxc_seek_table_header

[function] [call site] 00136


                     zxc_write_block_header

[function] [call site] 00137


                   fwrite

[call site] 00138


                   zxc_seek_write_group

[function] [call site] 00139


                   fwrite

[call site] 00140


                   zxc_write_file_footer

[function] [call site] 00141


                   fwrite

[call site] 00142


                 zxc_stream_finish_decompress

[function] [call site] 00143


                   fread

[call site] 00144


                   zxc_read_block_header

[function] [call site] 00145


                   fread

[call site] 00146


                   fread

[call site] 00147


                   fgetc

[call site] 00148


                   feof

[call site] 00149


                 fflush

[call site] 00150


                 zxc_aligned_free

[function] [call site] 00151


             fclose

[call site] 00152


           roundtrip

[function] [call site] 00153


             fmemopen

[call site] 00154


             open_memstream

[call site] 00155


             zxc_stream_compress

[function] [call site] 00156


               zxc_level_clamp

[function] [call site] 00157


               zxc_stream_engine_run

[function] [call site] 00158


             fclose

[call site] 00159


             fclose

[call site] 00160


             __assert_fail

[call site] 00161


             fmemopen

[call site] 00162


             open_memstream

[call site] 00163


             zxc_stream_get_decompressed_size

[function] [call site] 00164


             zxc_stream_decompress

[function] [call site] 00165


             fclose

[call site] 00166


             __assert_fail

[call site] 00167


             __assert_fail

[call site] 00168


             memcmp

[call site] 00169


             __assert_fail

[call site] 00170


             fclose

[call site] 00171


             fclose

[call site] 00172