Fuzz introspector: compress_yuv_fuzzer
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
23 284 jinit_compress_master call site: 00284 jinit_color_converter
11 19 _tjInitCompress call site: 00019 _tjInitCompress
9 39 tj3Set call site: 00039 snprintf
9 65 tj3Set call site: 00065 snprintf
9 213 initial_setup call site: 00213 using_std_huff_tables
6 57 tj3Set call site: 00057 snprintf
5 170 jpeg_default_colorspace call site: 00170 jpeg_enable_lossless
5 176 setCompDefaults call site: 00176 jpeg_set_colorspace
5 318 jsimd_set_quantize call site: 00318 jsimd_set_convsamp_float
3 93 _tj3LoadImageFromFileHandle8 call site: 00093 __errno_location
3 326 jinit_compress_master call site: 00326 j12init_c_coef_controller
2 53 tj3Set call site: 00053 snprintf

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fmemopen [call site] 00001
1 tj3InitVersion [function] [call site] 00002
2 snprintf [call site] 00003
2 snprintf [call site] 00004
2 snprintf [call site] 00005
2 _tjInitCompress [function] [call site] 00006
3 jpeg_std_error [function] [call site] 00007
3 _setjmp [call site] 00008
3 jpeg_CreateCompress [function] [call site] 00009
4 jinit_memory_mgr [function] [call site] 00010
5 jpeg_mem_init [function] [call site] 00011
5 jpeg_get_small [function] [call site] 00012
5 jpeg_mem_term [function] [call site] 00013
5 __errno_location [call site] 00014
5 getenv [call site] 00015
5 strlen [call site] 00016
5 strncpy [call site] 00017
5 __isoc99_sscanf [call site] 00018
3 jpeg_mem_dest_tj [function] [call site] 00019
2 _tjInitDecompress [function] [call site] 00020
3 jpeg_std_error [function] [call site] 00021
3 _setjmp [call site] 00022
3 jpeg_CreateDecompress [function] [call site] 00023
4 jinit_memory_mgr [function] [call site] 00024
4 jinit_marker_reader [function] [call site] 00025
5 reset_marker_reader [function] [call site] 00026
4 jinit_input_controller [function] [call site] 00027
3 jpeg_mem_src_tj [function] [call site] 00028
2 _tjInitCompress [function] [call site] 00029
2 _tjInitDecompress [function] [call site] 00030
1 tj3Set [function] [call site] 00031
2 snprintf [call site] 00032
2 snprintf [call site] 00033
2 snprintf [call site] 00034
2 snprintf [call site] 00035
2 snprintf [call site] 00036
2 snprintf [call site] 00037
2 snprintf [call site] 00038
2 snprintf [call site] 00039
2 snprintf [call site] 00040
2 snprintf [call site] 00041
2 snprintf [call site] 00042
2 snprintf [call site] 00043
2 snprintf [call site] 00044
2 snprintf [call site] 00045
2 snprintf [call site] 00046
2 snprintf [call site] 00047
2 snprintf [call site] 00048
2 snprintf [call site] 00049
2 snprintf [call site] 00050
2 snprintf [call site] 00051
2 snprintf [call site] 00052
2 snprintf [call site] 00053
2 snprintf [call site] 00054
2 snprintf [call site] 00055
2 snprintf [call site] 00056
2 snprintf [call site] 00057
2 snprintf [call site] 00058
2 snprintf [call site] 00059
2 snprintf [call site] 00060
2 snprintf [call site] 00061
2 snprintf [call site] 00062
2 snprintf [call site] 00063
2 snprintf [call site] 00064
2 snprintf [call site] 00065
2 snprintf [call site] 00066
2 snprintf [call site] 00067
2 snprintf [call site] 00068
2 snprintf [call site] 00069
2 snprintf [call site] 00070
2 snprintf [call site] 00071
2 snprintf [call site] 00072
2 snprintf [call site] 00073
2 snprintf [call site] 00074
2 snprintf [call site] 00075
2 snprintf [call site] 00076
2 snprintf [call site] 00077
1 tj3Set [function] [call site] 00078
1 tj3Set [function] [call site] 00079
1 tj3Set [function] [call site] 00080
1 tj3Set [function] [call site] 00081
1 tj3Set [function] [call site] 00082
1 tj3Set [function] [call site] 00083
1 tj3Set [function] [call site] 00084
1 fseek [call site] 00085
1 _tj3LoadImageFromFileHandle8 [function] [call site] 00086
2 snprintf [call site] 00087
2 snprintf [call site] 00088
2 snprintf [call site] 00089
2 tj3Init [function] [call site] 00090
3 tj3InitVersion [function] [call site] 00091
2 getc [call site] 00092
2 ungetc [call site] 00093
2 __errno_location [call site] 00094
2 strerror [call site] 00095
2 snprintf [call site] 00096
2 snprintf [call site] 00097
2 _setjmp [call site] 00098
2 jinit_read_bmp [function] [call site] 00099
2 snprintf [call site] 00100
2 jinit_read_png [function] [call site] 00101
2 snprintf [call site] 00102
2 jinit_read_ppm [function] [call site] 00103
2 snprintf [call site] 00104
2 snprintf [call site] 00105
2 _setjmp [call site] 00106
2 tj3SetICCProfile [function] [call site] 00107
3 snprintf [call site] 00108
3 snprintf [call site] 00109
3 snprintf [call site] 00110
2 snprintf [call site] 00111
2 _setjmp [call site] 00112
2 tj3Destroy [function] [call site] 00113
3 _setjmp [call site] 00114
3 jpeg_destroy_compress [function] [call site] 00115
4 jpeg_destroy [function] [call site] 00116
3 _setjmp [call site] 00117
3 jpeg_destroy_decompress [function] [call site] 00118
4 jpeg_destroy [function] [call site] 00119
1 tj3JPEGBufSize [function] [call site] 00120
2 snprintf [call site] 00121
1 tj3Alloc [function] [call site] 00122
1 tj3YUVBufSize [function] [call site] 00123
2 snprintf [call site] 00124
2 tj3YUVPlaneWidth [function] [call site] 00125
3 snprintf [call site] 00126
3 snprintf [call site] 00127
3 snprintf [call site] 00128
2 tj3YUVPlaneHeight [function] [call site] 00129
3 snprintf [call site] 00130
3 snprintf [call site] 00131
3 snprintf [call site] 00132
1 tj3Set [function] [call site] 00133
1 tj3Set [function] [call site] 00134
1 tj3EncodeYUV8 [function] [call site] 00135
2 snprintf [call site] 00136
2 snprintf [call site] 00137
2 snprintf [call site] 00138
2 tj3YUVPlaneWidth [function] [call site] 00139
2 tj3YUVPlaneHeight [function] [call site] 00140
2 tj3YUVPlaneWidth [function] [call site] 00141
2 tj3YUVPlaneHeight [function] [call site] 00142
2 snprintf [call site] 00143
2 tj3EncodeYUVPlanes8 [function] [call site] 00144
3 snprintf [call site] 00145
3 snprintf [call site] 00146
3 snprintf [call site] 00147
3 snprintf [call site] 00148
3 snprintf [call site] 00149
3 snprintf [call site] 00150
3 snprintf [call site] 00151
3 _setjmp [call site] 00152
3 setCompDefaults [function] [call site] 00153
4 jpeg_set_defaults [function] [call site] 00154
5 jpeg_set_quality [function] [call site] 00155
6 jpeg_quality_scaling [function] [call site] 00156
6 jpeg_set_linear_quality [function] [call site] 00157
7 jpeg_add_quant_table [function] [call site] 00158
8 jpeg_alloc_quant_table [function] [call site] 00159
7 jpeg_add_quant_table [function] [call site] 00160
5 std_huff_tables [function] [call site] 00161
6 add_huff_table [function] [call site] 00162
7 jpeg_alloc_huff_table [function] [call site] 00163
6 add_huff_table [function] [call site] 00164
6 add_huff_table [function] [call site] 00165
6 add_huff_table [function] [call site] 00166
5 jpeg_default_colorspace [function] [call site] 00167
6 jpeg_set_colorspace [function] [call site] 00168
6 jpeg_set_colorspace [function] [call site] 00169
6 jpeg_set_colorspace [function] [call site] 00170
6 jpeg_set_colorspace [function] [call site] 00171
6 jpeg_set_colorspace [function] [call site] 00172
6 jpeg_set_colorspace [function] [call site] 00173
6 jpeg_set_colorspace [function] [call site] 00174
4 jpeg_enable_lossless [function] [call site] 00175
4 jpeg_set_quality [function] [call site] 00176
4 jpeg_set_colorspace [function] [call site] 00177
4 jpeg_set_colorspace [function] [call site] 00178
4 jpeg_set_colorspace [function] [call site] 00179
4 jpeg_set_colorspace [function] [call site] 00180
4 jpeg_set_colorspace [function] [call site] 00181
4 jpeg_set_colorspace [function] [call site] 00182
4 jpeg_set_colorspace [function] [call site] 00183
4 jpeg_set_colorspace [function] [call site] 00184
4 jpeg_simple_progression [function] [call site] 00185
5 jpeg_default_colorspace [function] [call site] 00186
5 fill_dc_scans [function] [call site] 00187
6 fill_scans [function] [call site] 00188
5 fill_a_scan [function] [call site] 00189
5 fill_a_scan [function] [call site] 00190
5 fill_a_scan [function] [call site] 00191
5 fill_a_scan [function] [call site] 00192
5 fill_a_scan [function] [call site] 00193
5 fill_dc_scans [function] [call site] 00194
5 fill_a_scan [function] [call site] 00195
5 fill_a_scan [function] [call site] 00196
5 fill_a_scan [function] [call site] 00197
5 fill_dc_scans [function] [call site] 00198
5 fill_scans [function] [call site] 00199
5 fill_scans [function] [call site] 00200
5 fill_scans [function] [call site] 00201
5 fill_dc_scans [function] [call site] 00202
5 fill_scans [function] [call site] 00203
3 snprintf [call site] 00204
3 jinit_c_master_control [function] [call site] 00205
4 validate_script [function] [call site] 00206
4 jpeg_default_colorspace [function] [call site] 00207
4 initial_setup [function] [call site] 00208
5 jdiv_round_up [function] [call site] 00209
5 jdiv_round_up [function] [call site] 00210
5 jdiv_round_up [function] [call site] 00211
5 jdiv_round_up [function] [call site] 00212
5 jdiv_round_up [function] [call site] 00213
4 using_std_huff_tables [function] [call site] 00214
5 memcmp [call site] 00215
5 memcmp [call site] 00216
5 memcmp [call site] 00217
5 memcmp [call site] 00218
5 memcmp [call site] 00219
5 memcmp [call site] 00220
5 memcmp [call site] 00221
5 memcmp [call site] 00222
3 jinit_color_converter [function] [call site] 00223
4 jsimd_set_rgb_gray [function] [call site] 00224
5 init_simd [function] [call site] 00225
6 jpeg_simd_cpu_support [call site] 00226
6 __errno_location [call site] 00227
6 getenv [call site] 00228
6 strlen [call site] 00229
6 strncpy [call site] 00230
6 strcmp [call site] 00231
6 __errno_location [call site] 00232
6 getenv [call site] 00233
6 strlen [call site] 00234
6 strncpy [call site] 00235
6 strcmp [call site] 00236
6 __errno_location [call site] 00237
6 getenv [call site] 00238
6 strlen [call site] 00239
6 strncpy [call site] 00240
6 strcmp [call site] 00241
4 jsimd_set_rgb_ycc [function] [call site] 00242
5 init_simd [function] [call site] 00243
3 jinit_downsampler [function] [call site] 00244
4 jsimd_set_h2v1_downsample [function] [call site] 00245
5 init_simd [function] [call site] 00246
4 jsimd_set_h2v2_downsample [function] [call site] 00247
5 init_simd [function] [call site] 00248
3 snprintf [call site] 00249
3 snprintf [call site] 00250
3 snprintf [call site] 00251
3 snprintf [call site] 00252
3 snprintf [call site] 00253
3 snprintf [call site] 00254
3 _setjmp [call site] 00255
3 jcopy_sample_rows [function] [call site] 00256
3 jpeg_abort_compress [function] [call site] 00257
4 jpeg_abort [function] [call site] 00258
3 jpeg_abort_compress [function] [call site] 00259
1 tj3CompressFromYUV8 [function] [call site] 00260
2 snprintf [call site] 00261
2 snprintf [call site] 00262
2 snprintf [call site] 00263
2 tj3YUVPlaneWidth [function] [call site] 00264
2 tj3YUVPlaneHeight [function] [call site] 00265
2 tjPlaneWidth [function] [call site] 00266
3 tj3YUVPlaneWidth [function] [call site] 00267
2 tjPlaneHeight [function] [call site] 00268
3 tj3YUVPlaneHeight [function] [call site] 00269
2 snprintf [call site] 00270
2 tj3CompressFromYUVPlanes8 [function] [call site] 00271
3 snprintf [call site] 00272
3 snprintf [call site] 00273
3 snprintf [call site] 00274
3 snprintf [call site] 00275
3 snprintf [call site] 00276
3 snprintf [call site] 00277
3 _setjmp [call site] 00278
3 jpeg_mem_dest_tj [function] [call site] 00279
3 setCompDefaults [function] [call site] 00280
3 jpeg_start_compress [function] [call site] 00281
4 jpeg_suppress_tables [function] [call site] 00282
4 jinit_compress_master [function] [call site] 00283
5 jinit_c_master_control [function] [call site] 00284
5 jinit_color_converter [function] [call site] 00285
5 jinit_downsampler [function] [call site] 00286
5 jinit_c_prep_controller [function] [call site] 00287
6 create_context_buffer [function] [call site] 00288
5 j12init_color_converter [function] [call site] 00289
5 j12init_downsampler [function] [call site] 00290
5 j12init_c_prep_controller [function] [call site] 00291
5 j16init_color_converter [function] [call site] 00292
5 j16init_downsampler [function] [call site] 00293
5 j16init_c_prep_controller [function] [call site] 00294
5 jinit_lossless_compressor [function] [call site] 00295
5 j12init_lossless_compressor [function] [call site] 00296
5 j16init_lossless_compressor [function] [call site] 00297
5 jinit_lhuff_encoder [function] [call site] 00298
5 jinit_c_diff_controller [function] [call site] 00299
6 jround_up [function] [call site] 00300
6 jround_up [function] [call site] 00301
6 jround_up [function] [call site] 00302
6 jround_up [function] [call site] 00303
6 jround_up [function] [call site] 00304
6 jround_up [function] [call site] 00305
5 j12init_c_diff_controller [function] [call site] 00306
5 j16init_c_diff_controller [function] [call site] 00307
5 jinit_forward_dct [function] [call site] 00308
6 jsimd_set_fdct_islow [function] [call site] 00309
7 init_simd [function] [call site] 00310
6 jsimd_set_fdct_ifast [function] [call site] 00311
7 init_simd [function] [call site] 00312
6 jsimd_set_fdct_float [function] [call site] 00313
7 init_simd [function] [call site] 00314
6 jsimd_set_convsamp [function] [call site] 00315
7 init_simd [function] [call site] 00316
6 jsimd_set_quantize [function] [call site] 00317
7 init_simd [function] [call site] 00318
6 jsimd_set_convsamp_float [function] [call site] 00319
7 init_simd [function] [call site] 00320
6 jsimd_set_quantize_float [function] [call site] 00321
7 init_simd [function] [call site] 00322
5 j12init_forward_dct [function] [call site] 00323
5 jinit_arith_encoder [function] [call site] 00324
5 jinit_phuff_encoder [function] [call site] 00325
5 jinit_huff_encoder [function] [call site] 00326
5 j12init_c_coef_controller [function] [call site] 00327
6 jround_up [function] [call site] 00328
6 jround_up [function] [call site] 00329
5 jinit_c_coef_controller [function] [call site] 00330
5 jinit_c_main_controller [function] [call site] 00331
5 j12init_c_main_controller [function] [call site] 00332
5 j16init_c_main_controller [function] [call site] 00333
5 jinit_marker_writer [function] [call site] 00334
3 jpeg_write_icc_profile [function] [call site] 00335
4 jpeg_write_m_header [function] [call site] 00336
4 jpeg_write_m_byte [function] [call site] 00337
4 jpeg_write_m_byte [function] [call site] 00338
4 jpeg_write_m_byte [function] [call site] 00339
4 jpeg_write_m_byte [function] [call site] 00340
4 jpeg_write_m_byte [function] [call site] 00341
4 jpeg_write_m_byte [function] [call site] 00342
4 jpeg_write_m_byte [function] [call site] 00343
4 jpeg_write_m_byte [function] [call site] 00344
4 jpeg_write_m_byte [function] [call site] 00345
4 jpeg_write_m_byte [function] [call site] 00346
4 jpeg_write_m_byte [function] [call site] 00347
4 jpeg_write_m_byte [function] [call site] 00348
4 jpeg_write_m_byte [function] [call site] 00349
4 jpeg_write_m_byte [function] [call site] 00350
4 jpeg_write_m_byte [function] [call site] 00351
3 snprintf [call site] 00352
3 snprintf [call site] 00353
3 snprintf [call site] 00354
3 _setjmp [call site] 00355
3 jpeg_write_raw_data [function] [call site] 00356
3 jpeg_finish_compress [function] [call site] 00357
4 jpeg_abort [function] [call site] 00358
3 jpeg_abort_compress [function] [call site] 00359
1 tj3Free [function] [call site] 00360
1 tj3Free [function] [call site] 00361
1 tj3Free [function] [call site] 00362
1 tj3Free [function] [call site] 00363
1 fclose [call site] 00364
1 tj3Destroy [function] [call site] 00365