Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
6	123	ds_drain_decoded	call site: 00123	zxc_check_seek_header
5	43	zxc_compress_block_resolved	call site: 00043	zxc_cctx_attach_dict_huf
3	49	zxc_pivco_tree_build	call site: 00049	zxc_cctx_attach_dict_huf
3	60	LLVMFuzzerTestOneInput	call site: 00060	cs_stage_file_header
2	15	zxc_cctx_init_in_workspace	call site: 00015	zxc_free_cctx
2	25	LLVMFuzzerTestOneInput	call site: 00025	zxc_cstream_free
2	40	zxc_compress_block_at	call site: 00040	zxc_cctx_init
2	57	zxc_cstream_compress	call site: 00057	zxc_cstream_free
2	116	ds_handle_need_block_header	call site: 00116	realloc
2	134	zxc_dstream_decompress	call site: 00134	zxc_dstream_free
1	10	zxc_cctx_init	call site: 00010	zxc_dctx_entropy_sizes
1	20	zxc_cctx_free	call site: 00020	zxc_free_cctx

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           derive_chunk_size

[function] [call site] 00001


           zxc_cstream_create

[function] [call site] 00002


             calloc

[call site] 00003


             zxc_level_clamp

[function] [call site] 00004


             zxc_create_cctx

[function] [call site] 00005


               calloc

[call site] 00006


               zxc_cctx_base

[function] [call site] 00007


                 zxc_level_clamp

[function] [call site] 00008


               zxc_cctx_init

[function] [call site] 00009


                 compute_cctx_layout

[function] [call site] 00010


                   zxc_dctx_entropy_sizes

[function] [call site] 00011


                 zxc_aligned_malloc

[function] [call site] 00012


                   posix_memalign

[call site] 00013


                 zxc_cctx_init_in_workspace

[function] [call site] 00014


                   compute_cctx_layout

[function] [call site] 00015


                 zxc_aligned_free

[function] [call site] 00016


             zxc_free_cctx

[function] [call site] 00017


               zxc_cctx_free

[function] [call site] 00018


                 zxc_aligned_free

[function] [call site] 00019


                 zxc_aligned_free

[function] [call site] 00020


             zxc_free_cctx

[function] [call site] 00021


           zxc_compress_bound

[function] [call site] 00022


           zxc_cstream_free

[function] [call site] 00023


             zxc_free_cctx

[function] [call site] 00024


           realloc

[call site] 00025


           zxc_cstream_free

[function] [call site] 00026


           zxc_cstream_free

[function] [call site] 00027


           zxc_cstream_compress

[function] [call site] 00028


             cs_stage_file_header

[function] [call site] 00029


               zxc_write_file_header

[function] [call site] 00030


             cs_set_error

[function] [call site] 00031


             cs_drain_pending

[function] [call site] 00032


               zxc_outbuf_push

[function] [call site] 00033


             cs_compress_block_from

[function] [call site] 00034


               zxc_compress_block_bound

[function] [call site] 00035


               realloc

[call site] 00036


               zxc_compress_block_at

[function] [call site] 00037


                 zxc_cctx_resolve

[function] [call site] 00038


                   zxc_level_clamp

[function] [call site] 00039


                 zxc_compress_block_resolved

[function] [call site] 00040


                   zxc_cctx_free

[function] [call site] 00041


                   zxc_cctx_init

[function] [call site] 00042


                   zxc_ctx_sync_dict_huf

[function] [call site] 00043


                     memcmp

[call site] 00044


                     zxc_cctx_attach_dict_huf

[function] [call site] 00045


                       zxc_huf_dict_tree_build

[function] [call site] 00046


                         zxc_huf_unpack_lengths_default

[function] [call site] 00047


                         zxc_pivco_tree_build

[function] [call site] 00048


                           zxc_pivco_bitrev_permute

[function] [call site] 00049


                         zxc_pivco_codes

[function] [call site] 00050


                     zxc_cctx_attach_dict_huf

[function] [call site] 00051


                   zxc_compress_chunk_wrapper

[function] [call site] 00052


                   zxc_compress_chunk_wrapper

[function] [call site] 00053


             cs_set_error

[function] [call site] 00054


             cs_compress_one_block

[function] [call site] 00055


               cs_compress_block_from

[function] [call site] 00056


             cs_set_error

[function] [call site] 00057


           zxc_cstream_free

[function] [call site] 00058


           zxc_cstream_free

[function] [call site] 00059


           zxc_cstream_end

[function] [call site] 00060


             cs_stage_file_header

[function] [call site] 00061


             cs_set_error

[function] [call site] 00062


             cs_drain_pending

[function] [call site] 00063


             cs_compress_one_block

[function] [call site] 00064


             cs_set_error

[function] [call site] 00065


             cs_stage_eof

[function] [call site] 00066


               realloc

[call site] 00067


               zxc_write_block_header

[function] [call site] 00068


             cs_set_error

[function] [call site] 00069


             cs_drain_pending

[function] [call site] 00070


             cs_stage_eof

[function] [call site] 00071


             cs_set_error

[function] [call site] 00072


             cs_drain_pending

[function] [call site] 00073


             cs_stage_footer

[function] [call site] 00074


               zxc_write_file_footer

[function] [call site] 00075


                 zxc_encode_footer

[function] [call site] 00076


                   zxc_store_le_n

[function] [call site] 00077


                   zxc_store_le_n

[function] [call site] 00078


             cs_set_error

[function] [call site] 00079


             cs_drain_pending

[function] [call site] 00080


           zxc_cstream_free

[function] [call site] 00081


           zxc_cstream_free

[function] [call site] 00082


           realloc

[call site] 00083


           drip_decompress

[function] [call site] 00084


             zxc_dstream_create

[function] [call site] 00085


               calloc

[call site] 00086


               ds_start_frame

[function] [call site] 00087


             zxc_dstream_finished

[function] [call site] 00088


             zxc_dstream_free

[function] [call site] 00089


               ds_free_buffers

[function] [call site] 00090


                 zxc_cctx_free

[function] [call site] 00091


             zxc_dstream_decompress

[function] [call site] 00092


               ds_start_frame

[function] [call site] 00093


               ds_handle_need_file_header

[function] [call site] 00094


                 ds_pull

[function] [call site] 00095


                 zxc_magic_prefix_ok

[function] [call site] 00096


                 ds_set_error

[function] [call site] 00097


                 zxc_read_file_header

[function] [call site] 00098


                 ds_set_error

[function] [call site] 00099


                 ds_set_error

[function] [call site] 00100


                 ds_free_buffers

[function] [call site] 00101


                 zxc_compress_block_bound

[function] [call site] 00102


                 ds_set_error

[function] [call site] 00103


                 ds_set_error

[function] [call site] 00104


                 zxc_cctx_init

[function] [call site] 00105


                 ds_set_error

[function] [call site] 00106


               ds_handle_need_block_header

[function] [call site] 00107


                 ds_pull

[function] [call site] 00108


                 zxc_read_block_header

[function] [call site] 00109


                 ds_set_error

[function] [call site] 00110


                 zxc_check_eof_header

[function] [call site] 00111


                   zxc_write_block_header

[function] [call site] 00112


                   memcmp

[call site] 00113


                 ds_set_error

[function] [call site] 00114


                 ds_set_error

[function] [call site] 00115


                 ds_set_error

[function] [call site] 00116


                 realloc

[call site] 00117


                 ds_set_error

[function] [call site] 00118


               ds_pull

[function] [call site] 00119


               zxc_decompress_chunk_wrapper

[function] [call site] 00120


               ds_set_error

[function] [call site] 00121


               ds_drain_decoded

[function] [call site] 00122


                 zxc_outbuf_push

[function] [call site] 00123


               ds_pull

[function] [call site] 00124


               zxc_check_seek_header

[function] [call site] 00125


                 zxc_seek_table_header

[function] [call site] 00126


                   zxc_write_block_header

[function] [call site] 00127


                 memcmp

[call site] 00128


               ds_set_error

[function] [call site] 00129


               ds_pull

[function] [call site] 00130


               zxc_check_file_footer

[function] [call site] 00131


                 zxc_encode_footer

[function] [call site] 00132


                 memcmp

[call site] 00133


               ds_set_error

[function] [call site] 00134


               ds_set_error

[function] [call site] 00135


             zxc_dstream_free

[function] [call site] 00136


             zxc_dstream_free

[function] [call site] 00137


           __assert_fail

[call site] 00138


           memcmp

[call site] 00139


           __assert_fail

[call site] 00140


           derive_chunk_size

[function] [call site] 00141


           zxc_dstream_create

[function] [call site] 00142


           zxc_dstream_decompress

[function] [call site] 00143


           zxc_dstream_free

[function] [call site] 00144