Fuzz introspector: zxc_fuzzer_pstream
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
158 0 EP call site: 00000 drip_decompress

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 derive_chunk_size [function] [call site] 00001
1 zxc_create_cctx [function] [call site] 00002
2 calloc [call site] 00003
2 zxc_cparams_defaults [function] [call site] 00004
1 zxc_cctx_set_param [function] [call site] 00005
2 zxc_cparam_bounds [function] [call site] 00006
1 zxc_cctx_set_param [function] [call site] 00007
1 zxc_free_cctx [function] [call site] 00008
2 zxc_cctx_free [function] [call site] 00009
3 zxc_aligned_free [function] [call site] 00010
3 zxc_aligned_free [function] [call site] 00011
1 zxc_cstream_create [function] [call site] 00012
2 calloc [call site] 00013
2 zxc_cctx_params [function] [call site] 00014
2 zxc_create_cctx [function] [call site] 00015
2 zxc_free_cctx [function] [call site] 00016
2 zxc_free_cctx [function] [call site] 00017
1 zxc_free_cctx [function] [call site] 00018
1 zxc_compress_bound [function] [call site] 00019
1 zxc_cstream_free [function] [call site] 00020
2 zxc_free_cctx [function] [call site] 00021
1 realloc [call site] 00022
1 zxc_cstream_free [function] [call site] 00023
1 zxc_cstream_free [function] [call site] 00024
1 zxc_cstream_compress [function] [call site] 00025
2 cs_stage_file_header [function] [call site] 00026
3 zxc_write_file_header [function] [call site] 00027
2 cs_set_error [function] [call site] 00028
2 cs_drain_pending [function] [call site] 00029
3 zxc_outbuf_push [function] [call site] 00030
2 cs_compress_block_from [function] [call site] 00031
3 zxc_compress_block_bound [function] [call site] 00032
3 realloc [call site] 00033
3 zxc_compress_block_at [function] [call site] 00034
4 zxc_cparams_resolve [function] [call site] 00035
4 zxc_compress_block_resolved [function] [call site] 00036
5 zxc_cctx_free [function] [call site] 00037
5 zxc_cctx_init [function] [call site] 00038
6 compute_cctx_layout [function] [call site] 00039
7 zxc_dctx_entropy_sizes [function] [call site] 00040
6 zxc_aligned_malloc [function] [call site] 00041
7 posix_memalign [call site] 00042
6 zxc_cctx_init_in_workspace [function] [call site] 00043
7 compute_cctx_layout [function] [call site] 00044
6 zxc_aligned_free [function] [call site] 00045
5 zxc_ctx_sync_dict_huf [function] [call site] 00046
6 memcmp [call site] 00047
6 zxc_cctx_attach_dict_huf [function] [call site] 00048
7 zxc_huf_dict_tree_build [function] [call site] 00049
8 zxc_huf_unpack_lengths_default [function] [call site] 00050
8 zxc_pivco_tree_build [function] [call site] 00051
9 zxc_pivco_bitrev_permute [function] [call site] 00052
8 zxc_pivco_codes [function] [call site] 00053
6 zxc_cctx_attach_dict_huf [function] [call site] 00054
5 zxc_compress_chunk_wrapper [function] [call site] 00055
5 zxc_compress_chunk_wrapper [function] [call site] 00056
2 cs_set_error [function] [call site] 00057
2 cs_compress_one_block [function] [call site] 00058
3 cs_compress_block_from [function] [call site] 00059
2 cs_set_error [function] [call site] 00060
1 zxc_cstream_free [function] [call site] 00061
1 zxc_cstream_free [function] [call site] 00062
1 zxc_cstream_end [function] [call site] 00063
2 cs_stage_file_header [function] [call site] 00064
2 cs_set_error [function] [call site] 00065
2 cs_drain_pending [function] [call site] 00066
2 cs_compress_one_block [function] [call site] 00067
2 cs_set_error [function] [call site] 00068
2 cs_stage_eof [function] [call site] 00069
3 realloc [call site] 00070
3 zxc_write_block_header [function] [call site] 00071
2 cs_set_error [function] [call site] 00072
2 cs_drain_pending [function] [call site] 00073
2 cs_stage_eof [function] [call site] 00074
2 cs_set_error [function] [call site] 00075
2 cs_drain_pending [function] [call site] 00076
2 cs_stage_footer [function] [call site] 00077
3 zxc_write_file_footer [function] [call site] 00078
4 zxc_encode_footer [function] [call site] 00079
5 zxc_store_le_n [function] [call site] 00080
5 zxc_store_le_n [function] [call site] 00081
2 cs_set_error [function] [call site] 00082
2 cs_drain_pending [function] [call site] 00083
1 zxc_cstream_free [function] [call site] 00084
1 zxc_cstream_free [function] [call site] 00085
1 realloc [call site] 00086
1 drip_decompress [function] [call site] 00087
2 zxc_create_dctx [function] [call site] 00088
3 calloc [call site] 00089
2 zxc_dctx_set_param [function] [call site] 00090
3 zxc_dparam_bounds [function] [call site] 00091
2 zxc_free_dctx [function] [call site] 00092
3 zxc_cctx_free [function] [call site] 00093
2 zxc_dstream_create [function] [call site] 00094
3 calloc [call site] 00095
3 zxc_dctx_params [function] [call site] 00096
3 ds_start_frame [function] [call site] 00097
2 zxc_free_dctx [function] [call site] 00098
2 zxc_dstream_finished [function] [call site] 00099
2 zxc_dstream_free [function] [call site] 00100
3 ds_free_buffers [function] [call site] 00101
4 zxc_cctx_free [function] [call site] 00102
2 zxc_dstream_decompress [function] [call site] 00103
3 ds_start_frame [function] [call site] 00104
3 ds_handle_need_file_header [function] [call site] 00105
4 zxc_magic_prefix_ok [function] [call site] 00107
4 ds_set_error [function] [call site] 00108
4 zxc_read_file_header [function] [call site] 00109
4 ds_set_error [function] [call site] 00110
4 ds_set_error [function] [call site] 00111
4 ds_free_buffers [function] [call site] 00112
4 zxc_compress_block_bound [function] [call site] 00113
4 ds_set_error [function] [call site] 00114
4 ds_set_error [function] [call site] 00115
4 zxc_cctx_init [function] [call site] 00116
4 ds_set_error [function] [call site] 00117
3 ds_handle_need_block_header [function] [call site] 00118
4 zxc_read_block_header [function] [call site] 00120
4 ds_set_error [function] [call site] 00121
4 zxc_check_eof_header [function] [call site] 00122
5 zxc_write_block_header [function] [call site] 00123
5 memcmp [call site] 00124
4 ds_set_error [function] [call site] 00125
4 ds_set_error [function] [call site] 00126
4 ds_set_error [function] [call site] 00127
4 realloc [call site] 00128
4 ds_set_error [function] [call site] 00129
3 zxc_decompress_chunk_wrapper [function] [call site] 00131
3 ds_set_error [function] [call site] 00132
3 ds_drain_decoded [function] [call site] 00133
4 zxc_outbuf_push [function] [call site] 00134
3 zxc_check_seek_header [function] [call site] 00136
4 zxc_seek_table_header [function] [call site] 00137
5 zxc_write_block_header [function] [call site] 00138
4 memcmp [call site] 00139
3 ds_set_error [function] [call site] 00140
3 zxc_check_file_footer [function] [call site] 00142
4 zxc_encode_footer [function] [call site] 00143
4 memcmp [call site] 00144
3 ds_set_error [function] [call site] 00145
3 ds_set_error [function] [call site] 00146
2 zxc_dstream_free [function] [call site] 00147
2 zxc_dstream_free [function] [call site] 00148
1 __assert_fail [call site] 00149
1 memcmp [call site] 00150
1 __assert_fail [call site] 00151
1 derive_chunk_size [function] [call site] 00152
1 zxc_create_dctx [function] [call site] 00153
1 zxc_dctx_set_param [function] [call site] 00154
1 zxc_dstream_create [function] [call site] 00155
1 zxc_free_dctx [function] [call site] 00156
1 zxc_dstream_decompress [function] [call site] 00157
1 zxc_dstream_free [function] [call site] 00158