Fuzz introspector: zxc_fuzzer_seekable
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
172 0 EP call site: 00000 zxc_seekable_decompress_range_mt

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 zxc_compress_bound [function] [call site] 00001
1 realloc [call site] 00002
1 zxc_create_cctx [function] [call site] 00003
2 calloc [call site] 00004
2 zxc_cparams_defaults [function] [call site] 00005
1 zxc_cctx_set_param [function] [call site] 00006
2 zxc_cparam_bounds [function] [call site] 00007
1 zxc_cctx_set_param [function] [call site] 00008
1 zxc_cctx_set_param [function] [call site] 00009
1 zxc_cctx_set_param [function] [call site] 00010
1 zxc_compress_cctx [function] [call site] 00011
2 zxc_cparams_resolve [function] [call site] 00012
2 zxc_compress_cctx_resolved [function] [call site] 00013
3 zxc_dict_compute_id [function] [call site] 00014
3 zxc_write_empty_frame [function] [call site] 00015
4 zxc_write_file_header [function] [call site] 00016
4 zxc_write_block_header [function] [call site] 00017
4 zxc_seek_table_header [function] [call site] 00018
5 zxc_write_block_header [function] [call site] 00019
4 zxc_write_file_footer [function] [call site] 00020
5 zxc_encode_footer [function] [call site] 00021
6 zxc_store_le_n [function] [call site] 00022
6 zxc_store_le_n [function] [call site] 00023
3 zxc_cctx_free [function] [call site] 00024
4 zxc_aligned_free [function] [call site] 00025
4 zxc_aligned_free [function] [call site] 00026
3 zxc_cctx_init [function] [call site] 00027
4 compute_cctx_layout [function] [call site] 00028
5 zxc_dctx_entropy_sizes [function] [call site] 00029
4 zxc_aligned_malloc [function] [call site] 00030
5 posix_memalign [call site] 00031
4 zxc_cctx_init_in_workspace [function] [call site] 00032
5 compute_cctx_layout [function] [call site] 00033
4 zxc_aligned_free [function] [call site] 00034
3 zxc_ctx_sync_dict_huf [function] [call site] 00035
4 memcmp [call site] 00036
4 zxc_cctx_attach_dict_huf [function] [call site] 00037
5 zxc_huf_dict_tree_build [function] [call site] 00038
6 zxc_huf_unpack_lengths_default [function] [call site] 00039
6 zxc_pivco_tree_build [function] [call site] 00040
7 zxc_pivco_bitrev_permute [function] [call site] 00041
6 zxc_pivco_codes [function] [call site] 00042
4 zxc_cctx_attach_dict_huf [function] [call site] 00043
3 zxc_write_file_header [function] [call site] 00044
3 zxc_compress_chunk_wrapper [function] [call site] 00045
3 zxc_compress_chunk_wrapper [function] [call site] 00046
3 zxc_write_block_header [function] [call site] 00047
3 zxc_write_seek_table_from_blocks [function] [call site] 00048
4 zxc_seek_table_size [function] [call site] 00049
4 zxc_seek_table_header [function] [call site] 00050
3 zxc_write_file_footer [function] [call site] 00051
1 zxc_free_cctx [function] [call site] 00052
2 zxc_cctx_free [function] [call site] 00053
1 zxc_seekable_open [function] [call site] 00054
2 zxc_seekable_parse [function] [call site] 00055
3 realloc [call site] 00056
3 zxc_seek_parse_frame [function] [call site] 00057
4 zxc_scan_frame [function] [call site] 00058
5 zxc_scan_read [function] [call site] 00059
5 zxc_short_input_verdict [function] [call site] 00060
6 zxc_read_file_header [function] [call site] 00061
5 zxc_scan_read [function] [call site] 00062
5 zxc_parse_file_footer [function] [call site] 00063
6 zxc_load_le_n [function] [call site] 00064
6 zxc_load_le_n [function] [call site] 00065
5 zxc_scan_read [function] [call site] 00066
5 zxc_frame_tail_len [function] [call site] 00067
5 zxc_read_frame_info [function] [call site] 00068
6 zxc_read_file_header [function] [call site] 00069
6 zxc_parse_file_footer [function] [call site] 00070
3 zxc_seek_source_read [function] [call site] 00071
3 zxc_check_eof_header [function] [call site] 00072
4 zxc_write_block_header [function] [call site] 00073
4 memcmp [call site] 00074
3 zxc_check_seek_header [function] [call site] 00075
4 zxc_seek_table_header [function] [call site] 00076
4 memcmp [call site] 00077
3 calloc [call site] 00078
1 zxc_seekable_get_num_blocks [function] [call site] 00079
1 zxc_seekable_get_decompressed_size [function] [call site] 00080
1 __assert_fail [call site] 00081
1 zxc_seekable_get_block_comp_size [function] [call site] 00082
2 zxc_seek_frame_of_block [function] [call site] 00083
2 zxc_seek_load_spans [function] [call site] 00084
3 zxc_seek_source_of [function] [call site] 00085
3 zxc_seek_source_read [function] [call site] 00086
3 zxc_seek_source_read [function] [call site] 00087
3 zxc_seek_source_read [function] [call site] 00088
3 zxc_check_eof_header [function] [call site] 00089
3 zxc_check_seek_header [function] [call site] 00090
1 zxc_seekable_get_block_decomp_size [function] [call site] 00091
2 zxc_seek_frame_of_block [function] [call site] 00092
2 zxc_seek_decomp_size [function] [call site] 00093
1 __assert_fail [call site] 00094
1 __assert_fail [call site] 00095
1 zxc_seekable_get_block_comp_size [function] [call site] 00096
1 __assert_fail [call site] 00097
1 zxc_seekable_get_block_decomp_size [function] [call site] 00098
1 __assert_fail [call site] 00099
1 realloc [call site] 00100
1 zxc_seekable_free [function] [call site] 00101
2 zxc_cctx_free [function] [call site] 00102
1 zxc_seekable_decompress_range_mt [function] [call site] 00103
2 zxc_seek_block_of_offset [function] [call site] 00104
2 zxc_seek_block_of_offset [function] [call site] 00105
2 sysconf [call site] 00106
2 zxc_seekable_decompress_range [function] [call site] 00107
3 zxc_cctx_init [function] [call site] 00108
3 zxc_seek_block_of_offset [function] [call site] 00109
3 zxc_seek_block_of_offset [function] [call site] 00110
3 zxc_seek_frame_of_block [function] [call site] 00111
3 zxc_seek_load_spans [function] [call site] 00112
3 realloc [call site] 00113
3 zxc_seek_use_dict [function] [call site] 00114
4 zxc_cctx_attach_dict_huf [function] [call site] 00115
3 zxc_seek_read_block [function] [call site] 00116
4 zxc_seek_source_of [function] [call site] 00117
4 zxc_seek_source_read [function] [call site] 00118
4 zxc_read_block_header [function] [call site] 00119
3 zxc_seek_decomp_size [function] [call site] 00120
3 zxc_decompress_chunk_wrapper [function] [call site] 00121
3 zxc_seek_decode_error [function] [call site] 00122
2 calloc [call site] 00123
2 calloc [call site] 00124
2 calloc [call site] 00125
2 zxc_seek_frame_of_block [function] [call site] 00126
2 zxc_seek_spans_raw_max [function] [call site] 00127
2 zxc_seek_load_spans [function] [call site] 00128
2 zxc_seek_decomp_size [function] [call site] 00129
2 pthread_mutex_init [call site] 00130
2 pthread_create [call site] 00131
2 zxc_seek_mt_worker [function] [call site] 00132
3 zxc_cctx_init [function] [call site] 00133
3 zxc_cctx_free [function] [call site] 00134
3 pthread_mutex_lock [call site] 00135
3 pthread_mutex_unlock [call site] 00136
3 zxc_seek_mt_job [function] [call site] 00137
4 zxc_seek_read_block [function] [call site] 00138
4 zxc_seek_use_dict [function] [call site] 00139
4 zxc_decompress_chunk_wrapper [function] [call site] 00140
4 zxc_seek_decode_error [function] [call site] 00141
3 pthread_mutex_lock [call site] 00142
3 pthread_mutex_unlock [call site] 00143
3 zxc_cctx_free [function] [call site] 00144
2 pthread_join [call site] 00145
2 pthread_mutex_destroy [call site] 00146
1 zxc_seekable_decompress_range [function] [call site] 00147
1 __assert_fail [call site] 00148
1 memcmp [call site] 00149
1 __assert_fail [call site] 00150
1 zxc_seekable_decompress_range [function] [call site] 00151
1 __assert_fail [call site] 00152
1 memcmp [call site] 00153
1 __assert_fail [call site] 00154
1 zxc_seekable_decompress_range [function] [call site] 00155
1 __assert_fail [call site] 00156
1 zxc_seekable_decompress_range [function] [call site] 00157
1 __assert_fail [call site] 00158
1 zxc_seekable_get_num_blocks [function] [call site] 00159
1 __assert_fail [call site] 00160
1 zxc_seekable_get_decompressed_size [function] [call site] 00161
1 __assert_fail [call site] 00162
1 zxc_seekable_get_block_comp_size [function] [call site] 00163
1 zxc_seekable_open [function] [call site] 00164
1 zxc_seekable_decompress_range_mt [function] [call site] 00165
1 zxc_seekable_decompress_range [function] [call site] 00166
1 zxc_seekable_free [function] [call site] 00167
1 zxc_seekable_free [function] [call site] 00168
1 zxc_seekable_open [function] [call site] 00169
1 zxc_seekable_get_decompressed_size [function] [call site] 00170
1 zxc_seekable_decompress_range [function] [call site] 00171
1 zxc_seekable_free [function] [call site] 00172