Fuzz introspector: thirdparty/libz/test/fuzz/fuzzer_example_dict.c
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
307 0 EP call site: 00000 write_char

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 test_dict_deflate [function] [call site] 00001
2 PREFIX3 [function] [call site] 00002
3 PREFIX [function] [call site] 00003
4 Assert [function] [call site] 00004
4 MAX_DIST [function] [call site] 00005
4 memcpy [function] [call site] 00006
4 FUNCTABLE_CALL [function] [call site] 00007
4 Assert [function] [call site] 00008
4 PREFIX [function] [call site] 00009
4 UNLIKELY [function] [call site] 00010
4 deflate_state*::update_hash [function] [call site] 00011
4 deflate_state*::quick_insert_string [function] [call site] 00012
4 UNLIKELY [function] [call site] 00013
4 deflate_state*::insert_string [function] [call site] 00014
4 memset [function] [call site] 00015
4 memset [function] [call site] 00016
4 Assert [function] [call site] 00017
3 PREFIX [function] [call site] 00018
3 zalloc [function] [call site] 00019
3 memcpy [function] [call site] 00020
2 PREFIX [function] [call site] 00021
2 CHECK_ERR [function] [call site] 00022
2 PREFIX [function] [call site] 00023
2 CHECK_ERR [function] [call site] 00024
2 strlen [function] [call site] 00025
2 PREFIX [function] [call site] 00026
2 error [function] [call site] 00027
2 PREFIX [function] [call site] 00028
2 CHECK_ERR [function] [call site] 00029
1 test_dict_inflate [function] [call site] 00030
2 PREFIX3 [function] [call site] 00031
2 strcpy [function] [call site] 00032
2 PREFIX [function] [call site] 00033
2 CHECK_ERR [function] [call site] 00034
2 PREFIX [function] [call site] 00035
2 error [function] [call site] 00036
2 PREFIX [function] [call site] 00037
2 CHECK_ERR [function] [call site] 00038
2 PREFIX [function] [call site] 00039
2 CHECK_ERR [function] [call site] 00040
2 error [function] [call site] 00041
2 PREFIX [function] [call site] 00042
2 CHECK_ERR [function] [call site] 00043
2 memcmp [function] [call site] 00044
2 error [function] [call site] 00045
2 PREFIX [function] [call site] 00046
2 CHECK_ERR [function] [call site] 00047
2 strncmp [function] [call site] 00048
2 error [function] [call site] 00049
2 printf [function] [call site] 00050
3 vfprintf [function] [call site] 00051
4 basic_memory_buffer<Char> [function] [call site] 00052
4 detail::vprintf [function] [call site] 00053
5 iterator [function] [call site] 00054
5 basic_printf_context<Char> [function] [call site] 00055
5 parse_context<Char> [function] [call site] 00056
5 parse_context::next_arg_id [function] [call site] 00057
6 report_error [function] [call site] 00058
7 FMT_THROW [function] [call site] 00059
7 format_error [function] [call site] 00060
7 fputs [function] [call site] 00061
7 abort [function] [call site] 00062
6 do_check_arg_id [function] [call site] 00063
5 parse_context::check_arg_id [function] [call site] 00064
6 report_error [function] [call site] 00065
6 do_check_arg_id [function] [call site] 00066
5 get_arg [function] [call site] 00067
6 arg [function] [call site] 00068
6 report_error [function] [call site] 00069
5 tf::UUID::begin [function] [call site] 00070
5 tf::UUID::end [function] [call site] 00071
6 tf::UUID::size [function] [call site] 00072
5 detail::find [function] [call site] 00073
5 detail::write [function] [call site] 00074
6 get_buffer [function] [call site] 00075
7 iterator_buffer<OutputIt, [call site] 00076
6 detail::do_write [function] [call site] 00077
7 formatbuf<std::basic_streambuf<Char>> [function] [call site] 00078
7 std::basic_ostream<Char> [function] [call site] 00079
7 imbue [function] [call site] 00080
7 std::use_facet<std::time_put<Char>> [function] [call site] 00081
7 put [function] [call site] 00082
7 Char [function] [call site] 00083
7 auto::failed [function] [call site] 00084
7 FMT_THROW [function] [call site] 00085
7 format_error [function] [call site] 00086
6 get_iterator [function] [call site] 00087
7 out [function] [call site] 00088
8 size [function] [call site] 00089
8 static_cast<iterator_buffer&> [function] [call site] 00090
8 size [function] [call site] 00091
8 clear [function] [call site] 00092
9 clear [function] [call site] 00093
9 clear [function] [call site] 00094
8 limit [function] [call site] 00095
8 flush [function] [call site] 00096
9 size [function] [call site] 00097
9 write [function] [call site] 00098
10 check_char_specs [function] [call site] 00099
11 type [function] [call site] 00100
11 align [function] [call site] 00101
11 sign [function] [call site] 00102
11 alt [function] [call site] 00103
11 report_error [function] [call site] 00104
10 write_char [function] [call site] 00105
11 type [function] [call site] 00106
11 write_padded [function] [call site] 00107
12 to_unsigned [function] [call site] 00108
12 static_cast<int> [function] [call site] 00109
12 align [function] [call site] 00110
12 reserve [function] [call site] 00111
13 no_sanitize [function] [call site] 00112
13 get_container [function] [call site] 00113
13 size [function] [call site] 00114
13 resize [function] [call site] 00115
14 try_resize [function] [call site] 00116
12 fill_size [function] [call site] 00117
12 fill [function] [call site] 00118
13 fill_size [function] [call site] 00119
13 fill_n [function] [call site] 00120
13 fill_unit [function] [call site] 00121
13 fill [function] [call site] 00122
13 copy [function] [call site] 00123
14 get_container [function] [call site] 00124
12 f [function] [call site] 00125
13 pow [function] [call site] 00126
12 fill [function] [call site] 00127
12 base_iterator [function] [call site] 00128
11 write_escaped_char [function] [call site] 00129
12 static_cast<Char> [function] [call site] 00130
12 needs_escape [function] [call site] 00131
13 const_check [function] [call site] 00132
13 is_printable [function] [call site] 00133
12 static_cast<uint32_t> [function] [call site] 00134
12 static_cast<Char> [function] [call site] 00135
12 static_cast<Char> [function] [call site] 00136
12 write_escaped_cp [function] [call site] 00137
13 static_cast<Char> [function] [call site] 00138
13 static_cast<Char> [function] [call site] 00139
13 static_cast<Char> [function] [call site] 00140
13 static_cast<Char> [function] [call site] 00141
13 static_cast<Char> [function] [call site] 00142
13 static_cast<Char> [function] [call site] 00143
13 static_cast<Char> [function] [call site] 00144
13 static_cast<Char> [function] [call site] 00145
13 write_codepoint [function] [call site] 00146
14 static_cast<Char> [function] [call site] 00147
14 static_cast<Char> [function] [call site] 00148
14 fill_n [function] [call site] 00149
14 static_cast<Char> [function] [call site] 00150
14 format_base2e [function] [call site] 00151
15 do_format_base2e [function] [call site] 00152
16 static_cast<unsigned> [function] [call site] 00153
16 static_cast<Char> [function] [call site] 00154
16 static_cast<char> [function] [call site] 00155
14 copy [function] [call site] 00156
13 write_codepoint [function] [call site] 00157
13 write_codepoint [function] [call site] 00158
13 basic_string_view [function] [call site] 00159
13 to_unsigned [function] [call site] 00160
13 write_codepoint [function] [call site] 00161
13 static_cast<uint32_t> [function] [call site] 00162
12 static_cast<uint32_t> [function] [call site] 00163
12 static_cast<Char> [function] [call site] 00164
10 write [function] [call site] 00165
10 static_cast<unsigned_type> [function] [call site] 00166
9 data [function] [call site] 00167
9 size [function] [call site] 00168
9 data [function] [call site] 00169
9 clear [function] [call site] 00170
8 flush [function] [call site] 00171
7 out [function] [call site] 00172
5 basic_string_view [function] [call site] 00173
5 detail::to_unsigned [function] [call site] 00174
6 FMT_ASSERT [function] [call site] 00175
6 static_cast<make_unsigned_t<Int>> [function] [call site] 00176
5 detail::write [function] [call site] 00177
5 basic_string_view [function] [call site] 00178
5 detail::to_unsigned [function] [call site] 00179
5 format_specs [function] [call site] 00180
5 basic_specs::set_align [function] [call site] 00181
6 static_cast<unsigned> [function] [call site] 00182
5 detail::parse_header [function] [call site] 00183
6 parse_nonnegative_int [function] [call site] 00184
7 FMT_ASSERT [function] [call site] 00185
7 unsigned [function] [call site] 00186
7 static_cast<int> [function] [call site] 00187
7 static_cast<int> [function] [call site] 00188
7 unsigned [function] [call site] 00189
7 static_cast<int> [function] [call site] 00190
6 max_value [function] [call site] 00191
6 set_fill [function] [call site] 00192
6 report_error [function] [call site] 00193
6 detail::parse_flags [function] [call site] 00194
7 set_align [function] [call site] 00195
7 set_sign [function] [call site] 00196
7 set_fill [function] [call site] 00197
7 sign [function] [call site] 00198
7 set_sign [function] [call site] 00199
7 set_alt [function] [call site] 00200
6 parse_nonnegative_int [function] [call site] 00201
6 report_error [function] [call site] 00202
6 static_cast<int> [function] [call site] 00203
6 get_arg [function] [call site] 00204
6 detail::printf_width_handler::printf_width_handler [function] [call site] 00205
5 report_error [function] [call site] 00206
5 parse_nonnegative_int [function] [call site] 00207
5 static_cast<int> [function] [call site] 00208
5 get_arg [function] [call site] 00209
5 printf_precision_handler [function] [call site] 00210
5 get_arg [function] [call site] 00211
5 is_integral_type [function] [call site] 00212
5 tf::GuidedPartitioner::type [function] [call site] 00213
5 basic_specs::set_fill [function] [call site] 00214
6 basic_specs::set_fill_size [function] [call site] 00215
7 static_cast<unsigned> [function] [call site] 00216
5 tf::GuidedPartitioner::type [function] [call site] 00217
5 basic_format_arg::visit [function] [call site] 00218
6 vis [function] [call site] 00219
6 vis [function] [call site] 00220
6 vis [function] [call site] 00221
6 vis [function] [call site] 00222
6 vis [function] [call site] 00223
6 vis [function] [call site] 00224
6 map [function] [call site] 00225
6 vis [function] [call site] 00226
6 map [function] [call site] 00227
6 vis [function] [call site] 00228
6 vis [function] [call site] 00229
6 vis [function] [call site] 00230
6 vis [function] [call site] 00231
6 vis [function] [call site] 00232
6 vis [function] [call site] 00233
6 vis [function] [call site] 00234
6 spdlog::level::to_short_c_str [function] [call site] 00235
6 vis [function] [call site] 00236
6 vis [function] [call site] 00237
6 handle [function] [call site] 00238
6 vis [function] [call site] 00239
6 monostate [function] [call site] 00240
5 get_cstring<Char> [function] [call site] 00241
5 detail::find [function] [call site] 00242
5 Char [function] [call site] 00243
5 basic_string_view [function] [call site] 00244
5 detail::to_unsigned [function] [call site] 00245
5 basic_specs::alt [function] [call site] 00246
5 basic_format_arg::visit [function] [call site] 00247
5 is_zero_int [function] [call site] 00248
5 basic_specs::clear_alt [function] [call site] 00249
5 basic_specs::fill_unit [function] [call site] 00250
6 static_cast<Char> [function] [call site] 00251
6 static_cast<uchar> [function] [call site] 00252
6 static_cast<uchar> [function] [call site] 00253
6 static_cast<uchar> [function] [call site] 00254
5 is_arithmetic_type [function] [call site] 00255
5 tf::GuidedPartitioner::type [function] [call site] 00256
5 basic_specs::align [function] [call site] 00257
6 static_cast<fmt::align> [function] [call site] 00258
5 basic_specs::set_align [function] [call site] 00259
5 basic_specs::set_fill [function] [call site] 00260
5 detail::convert_arg [function] [call site] 00261
6 visit [function] [call site] 00262
6 arg_converter<T, [call site] 00263
5 detail::convert_arg [function] [call site] 00264
5 detail::convert_arg [function] [call site] 00265
5 detail::convert_arg [function] [call site] 00266
5 detail::convert_arg [function] [call site] 00267
5 detail::convert_arg [function] [call site] 00268
5 detail::convert_arg [function] [call site] 00269
5 detail::convert_arg [function] [call site] 00270
5 report_error [function] [call site] 00271
5 static_cast<char> [function] [call site] 00272
5 is_integral_type [function] [call site] 00273
5 tf::GuidedPartitioner::type [function] [call site] 00274
5 basic_format_arg::visit [function] [call site] 00275
5 char_converter<basic_printf_context<Char>> [function] [call site] 00276
5 basic_specs::set_type [function] [call site] 00277
6 static_cast<unsigned> [function] [call site] 00278
5 detail::parse_printf_presentation_type [function] [call site] 00279
6 in [function] [call site] 00280
7 static_cast<int> [function] [call site] 00281
6 in [function] [call site] 00282
6 in [function] [call site] 00283
6 in [function] [call site] 00284
6 in [function] [call site] 00285
6 in [function] [call site] 00286
6 in [function] [call site] 00287
6 in [function] [call site] 00288
6 in [function] [call site] 00289
6 in [function] [call site] 00290
5 tf::GuidedPartitioner::type [function] [call site] 00291
5 tf::GuidedPartitioner::type [function] [call site] 00292
5 report_error [function] [call site] 00293
5 basic_specs::set_upper [function] [call site] 00294
5 basic_format_arg::visit [function] [call site] 00295
5 printf_arg_formatter<Char> [function] [call site] 00296
5 detail::write [function] [call site] 00297
5 basic_string_view [function] [call site] 00298
5 detail::to_unsigned [function] [call site] 00299
4 tf::PartitionerBase::chunk_size [function] [call site] 00300
4 std::fwrite [function] [call site] 00301
4 tf::Task::data [function] [call site] 00302
4 static_cast<int> [function] [call site] 00303
3 make_printf_args [function] [call site] 00304
4 fmt::make_format_args<basic_printf_context<Char>> [function] [call site] 00305
4 fmt::make_format_args<basic_printf_context<Char>> [function] [call site] 00306
1 free [function] [call site] 00307