Fuzz introspector: FuzzDriversStructured
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
41 62 gpsd_poll call site: 00062 packet_get1_chunked
35 435 gpsd_poll call site: 00435 gpsd_set_speed
8 472 gpsd_get_speed call site: 00472 gpsd_serial_isatty
6 553 earth_distance_and_bearings call site: 00553 sin
5 210 nextstate call site: 00210 gpsd_log
4 366 packet_unstash call site: 00366 gpsd_log
3 46 gpsd_acquire_reporting_lock call site: 00046 strerror
3 57 gpsd_release_reporting_lock call site: 00057 strerror
3 123 nextstate call site: 00123 gpsd_log
3 388 gpsd_poll call site: 00388 gpsd_log
3 410 strlcpy call site: 00410 gmtime_r
2 53 gpsd_vlog call site: 00053 syslog

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 drain_pipe [function] [call site] 00001
2 read [call site] 00002
1 gpsd_clear [function] [call site] 00003
2 clock_gettime [call site] 00004
2 lexer_init [function] [call site] 00005
3 clock_gettime [call site] 00006
3 packet_reset [function] [call site] 00007
4 isgps_init [function] [call site] 00008
2 gps_clear_att [function] [call site] 00009
3 gps_clear_base [function] [call site] 00010
2 gps_clear_dop [function] [call site] 00011
2 gps_clear_fix [function] [call site] 00012
3 gps_clear_base [function] [call site] 00013
2 gps_clear_gst [function] [call site] 00014
2 memset_volatile [function] [call site] 00015
2 time [call site] 00016
1 gpsd_zero_satellites [function] [call site] 00017
1 build_sirf_packet [function] [call site] 00018
2 sirf_checksum [function] [call site] 00019
1 build_ubx_packet [function] [call site] 00020
2 ubx_checksum [function] [call site] 00021
1 build_zodiac_packet [function] [call site] 00022
2 zodiac_checksum [function] [call site] 00023
2 zodiac_checksum [function] [call site] 00024
1 build_geostar_packet [function] [call site] 00025
2 geostar_checksum [function] [call site] 00026
1 build_navcom_packet [function] [call site] 00027
2 navcom_checksum [function] [call site] 00028
1 build_nmea_packet [function] [call site] 00029
2 strlen [call site] 00030
2 nmea_checksum [function] [call site] 00031
1 build_rtcm3_packet [function] [call site] 00032
2 crc24q_hash [function] [call site] 00033
1 build_tsip_packet [function] [call site] 00034
1 build_greis_packet [function] [call site] 00035
1 build_skytraq_packet [function] [call site] 00036
2 skytraq_checksum [function] [call site] 00037
1 write [call site] 00038
1 __errno_location [call site] 00039
1 gpsd_poll [function] [call site] 00040
2 gps_clear_fix [function] [call site] 00041
2 clock_gettime [call site] 00042
2 gpsd_log [function] [call site] 00043
3 gpsd_vlog [function] [call site] 00044
4 gpsd_acquire_reporting_lock [function] [call site] 00045
5 pthread_mutex_lock [call site] 00046
5 strerror [call site] 00047
5 fprintf [call site] 00048
5 exit [call site] 00049
4 snprintf [call site] 00050
4 vsnprintf [call site] 00051
4 getpid [call site] 00052
4 getsid [call site] 00053
4 syslog [call site] 00054
4 fputs [call site] 00055
4 gpsd_release_reporting_lock [function] [call site] 00056
5 pthread_mutex_unlock [call site] 00057
5 strerror [call site] 00058
5 fprintf [call site] 00059
5 exit [call site] 00060
2 packet_get1 [function] [call site] 00062
3 packet_get1_chunked [function] [call site] 00063
4 __errno_location [call site] 00066
4 read [call site] 00068
4 strerror [call site] 00069
4 strerror [call site] 00073
4 gps_hexdump [function] [call site] 00075
4 strtol [call site] 00079
4 gps_hexdump [function] [call site] 00081
4 gps_hexdump [function] [call site] 00085
4 gps_hexdump [function] [call site] 00088
4 gps_hexdump [function] [call site] 00093
4 gps_hexdump [function] [call site] 00096
4 gps_hexdump [function] [call site] 00101
4 packet_parse [function] [call site] 00103
5 nextstate [function] [call site] 00104
6 rtcm2_decode [function] [call site] 00105
6 rtcm2_decode [function] [call site] 00121
6 rtcm2_decode [function] [call site] 00122
6 character_pushback [function] [call site] 00123
7 __ctype_b_loc [call site] 00124
6 rtcm2_decode [function] [call site] 00127
6 __ctype_b_loc [call site] 00128
6 character_pushback [function] [call site] 00130
6 character_pushback [function] [call site] 00131
6 character_pushback [function] [call site] 00132
6 __ctype_b_loc [call site] 00133
6 character_pushback [function] [call site] 00134
6 __ctype_b_loc [call site] 00135
6 character_pushback [function] [call site] 00136
6 __ctype_b_loc [call site] 00137
6 character_pushback [function] [call site] 00138
6 __ctype_b_loc [call site] 00139
6 character_pushback [function] [call site] 00140
6 character_pushback [function] [call site] 00141
6 character_pushback [function] [call site] 00142
6 memchr [call site] 00143
6 character_pushback [function] [call site] 00144
6 __ctype_b_loc [call site] 00145
6 character_pushback [function] [call site] 00146
6 character_pushback [function] [call site] 00147
6 __ctype_b_loc [call site] 00148
6 character_pushback [function] [call site] 00149
6 character_pushback [function] [call site] 00150
6 __ctype_b_loc [call site] 00151
6 character_pushback [function] [call site] 00152
6 __ctype_b_loc [call site] 00153
6 character_pushback [function] [call site] 00154
6 character_pushback [function] [call site] 00155
6 __ctype_b_loc [call site] 00156
6 character_pushback [function] [call site] 00157
6 character_pushback [function] [call site] 00158
6 __ctype_b_loc [call site] 00159
6 character_pushback [function] [call site] 00160
6 character_pushback [function] [call site] 00161
6 character_pushback [function] [call site] 00162
6 character_pushback [function] [call site] 00163
6 character_pushback [function] [call site] 00164
6 character_pushback [function] [call site] 00165
6 character_pushback [function] [call site] 00166
6 character_pushback [function] [call site] 00167
6 character_pushback [function] [call site] 00168
6 character_pushback [function] [call site] 00169
6 character_pushback [function] [call site] 00170
6 character_pushback [function] [call site] 00171
6 character_pushback [function] [call site] 00172
6 rtcm2_decode [function] [call site] 00173
6 character_pushback [function] [call site] 00174
6 rtcm2_decode [function] [call site] 00175
6 character_pushback [function] [call site] 00176
6 rtcm2_decode [function] [call site] 00177
6 character_pushback [function] [call site] 00178
6 rtcm2_decode [function] [call site] 00179
6 character_pushback [function] [call site] 00180
6 rtcm2_decode [function] [call site] 00181
6 character_pushback [function] [call site] 00182
6 rtcm2_decode [function] [call site] 00183
6 character_pushback [function] [call site] 00184
6 rtcm2_decode [function] [call site] 00185
6 character_pushback [function] [call site] 00186
6 rtcm2_decode [function] [call site] 00187
6 character_pushback [function] [call site] 00188
6 rtcm2_decode [function] [call site] 00189
6 character_pushback [function] [call site] 00190
6 rtcm2_decode [function] [call site] 00191
6 character_pushback [function] [call site] 00192
6 character_pushback [function] [call site] 00193
6 character_pushback [function] [call site] 00194
6 character_pushback [function] [call site] 00195
6 character_pushback [function] [call site] 00196
6 character_pushback [function] [call site] 00197
6 character_pushback [function] [call site] 00198
6 character_pushback [function] [call site] 00199
6 character_pushback [function] [call site] 00200
6 character_pushback [function] [call site] 00201
6 character_pushback [function] [call site] 00202
6 gpsd_packetdump [function] [call site] 00203
7 __ctype_b_loc [call site] 00204
7 gps_hexdump [function] [call site] 00205
6 character_pushback [function] [call site] 00208
6 character_pushback [function] [call site] 00209
6 character_pushback [function] [call site] 00210
6 spartn_auth_len [function] [call site] 00213
6 character_pushback [function] [call site] 00216
6 character_pushback [function] [call site] 00217
6 __ctype_b_loc [call site] 00218
6 character_pushback [function] [call site] 00219
6 __ctype_b_loc [call site] 00220
6 character_pushback [function] [call site] 00221
6 oncore_payload_cksum_length [function] [call site] 00222
6 character_pushback [function] [call site] 00223
6 character_pushback [function] [call site] 00224
6 character_pushback [function] [call site] 00225
6 character_pushback [function] [call site] 00226
6 character_pushback [function] [call site] 00227
6 character_pushback [function] [call site] 00228
6 character_pushback [function] [call site] 00230
6 character_pushback [function] [call site] 00231
6 character_pushback [function] [call site] 00233
6 character_pushback [function] [call site] 00234
6 character_pushback [function] [call site] 00235
6 character_pushback [function] [call site] 00238
6 character_pushback [function] [call site] 00239
6 character_pushback [function] [call site] 00240
6 character_pushback [function] [call site] 00241
6 character_pushback [function] [call site] 00242
6 character_pushback [function] [call site] 00243
6 character_pushback [function] [call site] 00244
6 character_pushback [function] [call site] 00245
6 character_pushback [function] [call site] 00246
6 character_pushback [function] [call site] 00247
6 character_pushback [function] [call site] 00248
6 character_pushback [function] [call site] 00249
6 character_pushback [function] [call site] 00250
6 character_pushback [function] [call site] 00251
6 character_pushback [function] [call site] 00252
6 character_pushback [function] [call site] 00253
6 character_pushback [function] [call site] 00254
6 character_pushback [function] [call site] 00256
6 character_pushback [function] [call site] 00257
6 character_pushback [function] [call site] 00258
6 character_pushback [function] [call site] 00259
6 character_pushback [function] [call site] 00260
6 character_pushback [function] [call site] 00261
6 character_pushback [function] [call site] 00262
6 character_pushback [function] [call site] 00263
6 character_discard [function] [call site] 00264
7 gpsd_packetdump [function] [call site] 00265
6 character_pushback [function] [call site] 00267
6 character_pushback [function] [call site] 00268
6 __ctype_b_loc [call site] 00269
6 character_pushback [function] [call site] 00270
6 greis_hex2bin [function] [call site] 00271
6 __ctype_b_loc [call site] 00272
6 character_pushback [function] [call site] 00273
6 greis_hex2bin [function] [call site] 00274
6 __ctype_b_loc [call site] 00275
6 character_pushback [function] [call site] 00276
6 greis_hex2bin [function] [call site] 00277
6 character_pushback [function] [call site] 00278
6 character_pushback [function] [call site] 00279
6 rtcm2_decode [function] [call site] 00280
6 character_pushback [function] [call site] 00281
6 rtcm2_decode [function] [call site] 00282
6 __ctype_b_loc [call site] 00283
6 __ctype_b_loc [call site] 00285
6 character_pushback [function] [call site] 00286
6 __ctype_b_loc [call site] 00287
6 character_pushback [function] [call site] 00288
6 character_pushback [function] [call site] 00289
6 memchr [call site] 00290
6 character_pushback [function] [call site] 00291
6 memchr [call site] 00292
6 character_pushback [function] [call site] 00293
6 __ctype_b_loc [call site] 00294
6 character_pushback [function] [call site] 00295
6 character_pushback [function] [call site] 00296
6 character_pushback [function] [call site] 00297
6 character_pushback [function] [call site] 00299
5 __ctype_b_loc [call site] 00300
5 nmea_checksum [function] [call site] 00302
6 str_starts_with [function] [call site] 00303
7 strncmp [call site] 00304
6 __ctype_b_loc [call site] 00305
6 snprintf [call site] 00306
6 toupper [call site] 00307
6 toupper [call site] 00308
5 gps_hexdump [function] [call site] 00312
5 casic_checksum [function] [call site] 00315
5 greis_checksum [function] [call site] 00321
6 greis_rotate_left [function] [call site] 00322
6 greis_rotate_left [function] [call site] 00323
5 character_discard [function] [call site] 00326
5 nmea_checksum [function] [call site] 00328
5 gps_hexdump [function] [call site] 00333
5 crc24q_check [function] [call site] 00335
6 crc24q_hash [function] [call site] 00336
5 crc24q_hash [function] [call site] 00337
5 packet_stash [function] [call site] 00339
6 gpsd_packetdump [function] [call site] 00341
5 packet_discard [function] [call site] 00343
6 gpsd_packetdump [function] [call site] 00345
5 packet_accept [function] [call site] 00359
6 gpsd_packetdump [function] [call site] 00360
5 packet_discard [function] [call site] 00363
5 packet_unstash [function] [call site] 00364
6 gpsd_packetdump [function] [call site] 00365
4 gps_hexdump [function] [call site] 00368
3 __errno_location [call site] 00371
3 read [call site] 00372
3 strerror [call site] 00374
3 gpsd_packetdump [function] [call site] 00376
3 strerror [call site] 00378
3 packet_parse [function] [call site] 00381
3 packet_discard [function] [call site] 00382
2 clock_gettime [call site] 00387
2 timespec_str [function] [call site] 00389
3 snprintf [call site] 00390
2 timespec_str [function] [call site] 00392
2 strcmp [call site] 00395
2 strncmp [call site] 00397
2 gpsd_set_century [function] [call site] 00398
3 __isoc99_sscanf [call site] 00399
3 mkgmtime [function] [call site] 00400
4 __errno_location [call site] 00401
4 __errno_location [call site] 00402
3 gpsd_time_init [function] [call site] 00404
4 putenv [call site] 00405
4 localtime [call site] 00407
4 timespec_to_iso8601 [function] [call site] 00408
5 strlcpy [function] [call site] 00409
6 strlen [call site] 00410
5 gmtime_r [call site] 00411
5 strftime [call site] 00412
5 snprintf [call site] 00413
2 gpsd_prettydump [function] [call site] 00417
3 gpsd_packetdump [function] [call site] 00418
2 gpsd_switch_driver [function] [call site] 00420
3 strcmp [call site] 00421
3 strcmp [call site] 00423
3 gpsd_assert_sync [function] [call site] 00425
4 cfgetispeed [call site] 00426
2 hunt_failure [function] [call site] 00429
3 gpsd_serial_isatty [function] [call site] 00430
4 __errno_location [call site] 00431
4 isatty [call site] 00432
4 strerror [call site] 00433
2 gpsd_next_hunt_setting [function] [call site] 00435
3 gpsd_serial_isatty [function] [call site] 00436
3 clock_gettime [call site] 00437
3 ioctl [call site] 00440
3 __errno_location [call site] 00441
3 strerror [call site] 00442
3 gpsd_set_speed [function] [call site] 00445
4 speed2code [function] [call site] 00446
4 cfgetispeed [call site] 00447
4 cfgetispeed [call site] 00448
4 code2speed [function] [call site] 00449
4 cfsetispeed [call site] 00451
4 cfsetospeed [call site] 00452
4 cfgetispeed [call site] 00453
4 code2speed [function] [call site] 00454
4 tcsetattr [call site] 00456
4 __errno_location [call site] 00457
4 strerror [call site] 00458
4 gpsd_flush [function] [call site] 00460
5 tcflush [call site] 00461
5 __errno_location [call site] 00462
5 strerror [call site] 00463
5 nanosleep [call site] 00465
5 tcflush [call site] 00466
5 __errno_location [call site] 00467
5 strerror [call site] 00468
4 gpsd_get_speed [function] [call site] 00470
5 cfgetospeed [call site] 00471
5 code2speed [function] [call site] 00472
4 gpsd_serial_isatty [function] [call site] 00474
4 packet_reset [function] [call site] 00475
4 clock_gettime [call site] 00476
2 clock_gettime [call site] 00477
2 timespec_str [function] [call site] 00479
2 clock_gettime [call site] 00482
2 time [call site] 00484
2 gpsd_serial_isatty [function] [call site] 00486
2 gpsd_get_speed [function] [call site] 00487
2 gpsd_prettydump [function] [call site] 00489
2 gps_maskdump [function] [call site] 00491
3 strlcat [function] [call site] 00492
4 strlen [call site] 00493
4 strlen [call site] 00494
2 gps_clear_att [function] [call site] 00499
2 gps_clear_dop [function] [call site] 00500
2 gps_clear_fix [function] [call site] 00501
2 gps_merge_fix [function] [call site] 00502
2 fill_dop [function] [call site] 00504
3 sin [call site] 00505
3 cos [call site] 00506
3 cos [call site] 00507
3 cos [call site] 00508
3 sin [call site] 00509
3 matrix_invert [function] [call site] 00512
3 sqrt [call site] 00514
3 sqrt [call site] 00515
3 sqrt [call site] 00516
3 sqrt [call site] 00517
3 sqrt [call site] 00518
3 sqrt [call site] 00519
3 sqrt [call site] 00520
2 gpsd_error_model [function] [call site] 00522
3 ecef_to_wgs84fix [function] [call site] 00523
4 atan2 [call site] 00524
4 gpsd_sincos [function] [call site] 00525
5 sin [call site] 00526
5 cos [call site] 00527
4 atan2 [call site] 00528
4 gpsd_sincos [function] [call site] 00529
4 pow [call site] 00530
4 pow [call site] 00531
4 atan2 [call site] 00532
4 gpsd_sincos [function] [call site] 00533
4 sqrt [call site] 00534
3 hypot [call site] 00535
3 atan2 [call site] 00536
3 wgs84_separation [function] [call site] 00537
3 earth_distance [function] [call site] 00541
4 earth_distance_and_bearings [function] [call site] 00542
5 tan [call site] 00543
5 atan [call site] 00544
5 tan [call site] 00545
5 atan [call site] 00546
5 sin [call site] 00547
5 cos [call site] 00548
5 sin [call site] 00549
5 cos [call site] 00550
5 sin [call site] 00551
5 cos [call site] 00552
5 atan2 [call site] 00553
5 sin [call site] 00554
5 cos [call site] 00555
5 atan2 [call site] 00556
5 sin [call site] 00557
5 cos [call site] 00558
5 atan2 [call site] 00559
3 earth_distance [function] [call site] 00560
3 asin [call site] 00561
2 time [call site] 00562
2 gps_maskdump [function] [call site] 00565