Fuzz introspector: pdns/fuzz_moadnsparser.cc
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
513 1 LLVMFuzzerTestOneInput call site: 00001 GenericDNSPacketWriter ::xfrName
3 515 LLVMFuzzerTestOneInput call site: 00515

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 init [function] [call site] 00001
2 reportAllTypes [function] [call site] 00002
3 reportBasicTypes [function] [call site] 00003
4 EUI48RecordContent::report [function] [call site] 00004
4 EUI48RecordContent::report [function] [call site] 00006
4 EUI48RecordContent::report [function] [call site] 00007
4 EUI48RecordContent::report [function] [call site] 00008
4 EUI48RecordContent::report [function] [call site] 00009
4 EUI48RecordContent::report [function] [call site] 00010
4 EUI48RecordContent::report [function] [call site] 00011
4 EUI48RecordContent::report [function] [call site] 00012
4 DNSRecordContent::regist [function] [call site] 00013
5 load [function] [call site] 00015
6 static_cast<Reader*> [function] [call site] 00018
6 GenericDNSPacketWriter::eof [function] [call site] 00019
6 qthread [function] [call site] 00020
7 setThreadName [function] [call site] 00021
8 trySetThreadName [function] [call site] 00022
9 pthread_setname_np [function] [call site] 00023
9 pthread_self [function] [call site] 00024
9 pthread_set_name_np [function] [call site] 00026
9 pthread_self [function] [call site] 00027
9 pthread_set_name_np [function] [call site] 00029
9 pthread_self [function] [call site] 00030
9 pthread_setname_np [function] [call site] 00032
9 pthread_setname_np [function] [call site] 00034
9 pthread_self [function] [call site] 00035
8 trySetThreadName [function] [call site] 00038
8 warnlog [function] [call site] 00039
9 genlog [function] [call site] 00040
10 std::ostringstream::str [function] [call site] 00042
10 dnsdist::logging::LoggingConfiguration::getSyslog [function] [call site] 00043
10 rfc_str [function] [call site] 00045
11 validate [function] [call site] 00046
12 std::range_error [function] [call site] 00047
12 std::range_error [function] [call site] 00048
12 std::range_error [function] [call site] 00049
12 std::range_error [function] [call site] 00050
11 std::setfill [function] [call site] 00051
11 std::setw [function] [call site] 00052
11 std::setfill [function] [call site] 00053
11 std::setw [function] [call site] 00054
11 std::setfill [function] [call site] 00055
11 std::setw [function] [call site] 00056
11 std::setfill [function] [call site] 00057
11 std::setw [function] [call site] 00058
11 std::setfill [function] [call site] 00059
11 std::setw [function] [call site] 00060
11 std::setfill [function] [call site] 00061
11 std::setw [function] [call site] 00062
11 std::setfill [function] [call site] 00063
11 std::setw [function] [call site] 00064
11 std::ostringstream::str [function] [call site] 00065
10 dnsdist::logging::LoggingConfiguration::getLogTimestamps [function] [call site] 00066
10 dnsdist::logging::logTime [function] [call site] 00067
11 dnsdist::logging::LoggingConfiguration::getStructuredLogging [function] [call site] 00068
11 dnsdist::logging::LoggingConfiguration::getStructuredLoggingTimeFormat [function] [call site] 00069
11 gettimeofday [function] [call site] 00070
11 snprintf [function] [call site] 00071
11 std::array::data [function] [call site] 00072
11 std::array::size [function] [call site] 00073
11 static_cast<long [call site] 00074
11 static_cast<long> [function] [call site] 00075
11 dnsdist::logging::getTimeFormat [function] [call site] 00076
12 dnsdist::logging::LoggingConfiguration::getStructuredLogging [function] [call site] 00077
12 dnsdist::logging::LoggingConfiguration::getStructuredLoggingTimeFormat [function] [call site] 00078
11 localtime_r [function] [call site] 00080
11 std::scoped_lock [function] [call site] 00081
11 strftime [function] [call site] 00082
11 std::array::data [function] [call site] 00083
11 std::array::size [function] [call site] 00084
11 dnsdist::logging::LoggingConfiguration::getStructuredLogging [function] [call site] 00085
11 std::quoted [function] [call site] 00086
11 std::array::data [function] [call site] 00087
11 std::array::data [function] [call site] 00088
10 dnsdist::logging::LoggingConfiguration::getStructuredLogging [function] [call site] 00089
10 dnsdist::logging::LoggingConfiguration::getStructuredLoggingLevelPrefix [function] [call site] 00090
10 syslogLevelToStr [function] [call site] 00091
11 std::array::at [function] [call site] 00092
10 std::quoted [function] [call site] 00093
8 Logging::Loggable [function] [call site] 00098
7 Distributor<Answer,Question,Backend>::Create [function] [call site] 00099
8 SingleThreadDistributor<Answer,Question,Backend>::SingleThreadDistributor<Answer,Question,Backend> [function] [call site] 00100
8 MultiThreadDistributor<Answer,Question,Backend>::MultiThreadDistributor<Answer,Question,Backend> [function] [call site] 00101
7 getPointer [function] [call site] 00103
7 getPointer [function] [call site] 00104
7 getPointer [function] [call site] 00105
7 getPointer [function] [call site] 00106
7 getPointer [function] [call site] 00107
7 getPointer [function] [call site] 00108
7 canReusePort [function] [call site] 00110
7 receive [function] [call site] 00118
8 getHandle [function] [call site] 00123
8 getHandle [function] [call site] 00125
8 std::array::data [function] [call site] 00126
8 std::array::size [function] [call site] 00127
8 std::array::data [function] [call site] 00129
8 static_cast<size_t> [function] [call site] 00130
8 DNSRecordContent::NumberToType [function] [call site] 00131
9 getT2Namemap [function] [call site] 00132
9 getT2Namemap [function] [call site] 00134
9 std::to_string [function] [call site] 00135
8 ArgvMap::begin [function] [call site] 00136
9 ArgvMap::begin [function] [call site] 00137
10 ArgvMap::begin [function] [call site] 00138
8 UtilBackend::UtilBackend [function] [call site] 00139
8 ips::emplace_back [function] [call site] 00140
8 auto::getContent [function] [call site] 00141
8 DNSRecordContent::NumberToType [function] [call site] 00142
8 auto::getContent [function] [call site] 00143
8 push_back [function] [call site] 00144
7 DTime::udiffNoReset [function] [call site] 00145
8 DTime::udiff [function] [call site] 00146
9 gettimeofday [function] [call site] 00147
7 DNSPacket::hasEDNSCookie [function] [call site] 00149
7 ringAccount [function] [call site] 00150
7 ringAccount [function] [call site] 00151
7 DNSPacket::getInnerRemote [function] [call site] 00152
7 DNSPacket::getRemoteString [function] [call site] 00153
8 DNSPacket::getRemote [function] [call site] 00154
8 toString [function] [call site] 00155
9 getnameinfo [function] [call site] 00156
9 reinterpret_cast<const [call site] 00157
9 getSocklen [function] [call site] 00158
9 std::array::data [function] [call site] 00159
9 std::array::size [function] [call site] 00160
9 std::array::data [function] [call site] 00161
9 gai_strerror [function] [call site] 00163
8 DNSPacket::hasEDNSSubnet [function] [call site] 00164
8 DNSPacket::getRealRemote [function] [call site] 00165
9 getSource [function] [call site] 00166
9 DNSPacket::getInnerRemote [function] [call site] 00167
7 DNSPacket::getMaxReplyLen [function] [call site] 00168
7 DNSPacket::getMaxReplyLen [function] [call site] 00169
7 DNSPacket::couldBeCached [function] [call site] 00171
7 getViewFromNetwork [function] [call site] 00172
7 get [function] [call site] 00173
8 makeTSIGPayload [function] [call site] 00183
9 protozero::append [function] [call site] 00187
10 std::vector<char>*::end [function] [call site] 00193
9 reinterpret_cast<const [call site] 00194
9 protozero::append [function] [call site] 00195
9 protozero::append [function] [call site] 00196
9 GenericDNSPacketWriter<Container>::xfrName [function] [call site] 00203
10 push_back [function] [call site] 00206
10 GenericDNSPacketWriter<Container>::lookupName [function] [call site] 00207
11 getStorage [function] [call site] 00208
11 protozero::push_back [function] [call site] 00211
12 std::vector<char>*::push_back [function] [call site] 00212
11 makeHexDump [function] [call site] 00214
12 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00215
13 capacity [function] [call site] 00217
13 pdns::ProtoZero::RecMessage::size [function] [call site] 00218
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00219
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00220
13 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00221
14 capacity [function] [call site] 00223
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00224
14 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00225
14 capacity [function] [call site] 00226
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00227
14 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00228
13 capacity [function] [call site] 00229
13 pdns::ProtoZero::RecMessage::size [function] [call site] 00230
13 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00231
12 static_cast<size_t> [function] [call site] 00232
12 snprintf [function] [call site] 00235
12 std::array::data [function] [call site] 00236
12 std::array::size [function] [call site] 00237
12 static_cast<unsigned [call site] 00238
12 std::array::data [function] [call site] 00239
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00243
12 GenericDNSPacketWriter<Container>::size [function] [call site] 00244
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00245
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00246
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00247
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00248
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00249
11 clear [function] [call site] 00250
12 LockGuardedTryHolder::owns_lock [function] [call site] 00251
13 LockGuardedTryHolder::owns_lock [function] [call site] 00252
14 LockGuardedTryHolder::owns_lock [function] [call site] 00253
12 LockGuardedTryHolder::owns_lock [function] [call site] 00254
13 LockGuardedTryHolder::owns_lock [function] [call site] 00255
11 protozero::push_back [function] [call site] 00267
11 boost::container::static_vector<uint16_t, [call site] 00268
11 boost::container::static_vector<uint16_t, [call site] 00269
11 boost::container::static_vector<uint16_t, [call site] 00270
11 boost::container::static_vector<uint16_t, [call site] 00271
11 strncasecmp [function] [call site] 00272
11 boost::container::static_vector<uint16_t, [call site] 00279
10 getStorage [function] [call site] 00280
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00281
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00282
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00283
10 push_back [function] [call site] 00284
10 makeHexDump [function] [call site] 00285
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00289
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00294
10 push_back [function] [call site] 00295
10 push_back [function] [call site] 00296
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00297
10 push_back [function] [call site] 00298
10 make_unique<DNSName> [function] [call site] 00299
10 makeLowerCase [function] [call site] 00300
10 getStorage [function] [call site] 00301
10 makeHexDump [function] [call site] 00302
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00311
9 makeLowerCase [function] [call site] 00312
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00313
10 reinterpret_cast<uint8_t*> [function] [call site] 00315
9 GenericDNSPacketWriter<Container>::xfr32BitInt [function] [call site] 00318
10 reinterpret_cast<uint8_t*> [function] [call site] 00320
9 GenericDNSPacketWriter<Container>::xfrName [function] [call site] 00323
9 DNSName::makeLowerCase [function] [call site] 00324
10 DNSName::makeUsLowerCase [function] [call site] 00325
11 dns_tolower [function] [call site] 00326
9 PacketReader::xfr48BitInt [function] [call site] 00327
10 static_cast<uint8_t> [function] [call site] 00328
10 static_cast<uint8_t> [function] [call site] 00330
10 static_cast<uint8_t> [function] [call site] 00332
10 static_cast<uint8_t> [function] [call site] 00334
10 static_cast<uint8_t> [function] [call site] 00336
10 static_cast<uint8_t> [function] [call site] 00338
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00340
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00341
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00342
9 pdns::views::UnsignedCharView::length [function] [call site] 00343
10 pdns::views::UnsignedCharView::length [function] [call site] 00344
11 pdns::views::UnsignedCharView::length [function] [call site] 00345
9 protozero::append [function] [call site] 00346
9 ArgvMap::begin [function] [call site] 00347
10 ArgvMap::begin [function] [call site] 00348
9 UtilBackend::UtilBackend [function] [call site] 00349
8 UtilBackend::UtilBackend [function] [call site] 00359
8 std::stoull [function] [call site] 00360
7 DNSPacket::setSocket [function] [call site] 00366
7 DNSPacket::getSocket [function] [call site] 00367
7 DNSPacket::setMaxReplyLen [function] [call site] 00368
7 DNSPacket::getMaxReplyLen [function] [call site] 00369
7 DNSPacket::commitD [function] [call site] 00370
7 DTime::udiffNoReset [function] [call site] 00372
7 send [function] [call site] 00374
8 pop_front [function] [call site] 00384
8 getHeader [function] [call site] 00385
8 getHeader [function] [call site] 00386
8 Socket::send [function] [call site] 00387
9 Socket::send [function] [call site] 00388
9 NetworkError [function] [call site] 00391
9 stringerror [function] [call site] 00392
10 pdns::getMessageFromErrno [function] [call site] 00393
11 strerror_r [function] [call site] 00395
11 std::string::data [function] [call site] 00396
11 std::string::length [function] [call site] 00397
11 strerror_r [function] [call site] 00398
11 std::string::data [function] [call site] 00399
11 std::string::length [function] [call site] 00400
11 std::string::c_str [function] [call site] 00401
8 getHandle [function] [call site] 00402
8 ArgvMap::begin [function] [call site] 00403
8 getHeader [function] [call site] 00405
8 getHeader [function] [call site] 00406
7 udiff [function] [call site] 00407
8 getCurrentTime [function] [call site] 00408
9 gettime [function] [call site] 00409
10 clock_gettime [function] [call site] 00410
9 unixDie [function] [call site] 00411
10 runtime_error [function] [call site] 00412
10 stringerror [function] [call site] 00413
7 update_latencies [function] [call site] 00414
7 DTime::udiffNoReset [function] [call site] 00417
7 SingleThreadDistributor::isOverloaded [function] [call site] 00419
7 question [function] [call site] 00421
8 make_unique<DNSPacket> [function] [call site] 00422
6 pdns::views::UnsignedCharView::data [function] [call site] 00426
7 reinterpret_cast<const [call site] 00427
7 pdns::views::UnsignedCharView::data [function] [call site] 00428
8 reinterpret_cast<const [call site] 00429
8 pdns::views::UnsignedCharView::data [function] [call site] 00430
6 static_cast<size_t> [function] [call site] 00434
6 stream::gcount [function] [call site] 00435
6 pdns::views::UnsignedCharView::data [function] [call site] 00436
6 lua_tostring [function] [call site] 00438
6 std::bad_alloc [function] [call site] 00440
6 std::runtime_error [function] [call site] 00441
5 getTypemap [function] [call site] 00442
5 getZmakermap [function] [call site] 00444
5 getT2Namemap [function] [call site] 00446
5 getN2Typemap [function] [call site] 00448
4 EUI48RecordContent::report [function] [call site] 00450
4 EUI48RecordContent::report [function] [call site] 00451
4 DNSRecordContent::regist [function] [call site] 00452
4 DNSRecordContent::regist [function] [call site] 00453
4 DNSRecordContent::regist [function] [call site] 00454
3 reportOtherTypes [function] [call site] 00455
4 EUI48RecordContent::report [function] [call site] 00456
4 EUI48RecordContent::report [function] [call site] 00457
4 EUI48RecordContent::report [function] [call site] 00458
4 EUI48RecordContent::report [function] [call site] 00459
4 EUI48RecordContent::report [function] [call site] 00460
4 EUI48RecordContent::report [function] [call site] 00461
4 EUI48RecordContent::report [function] [call site] 00462
4 EUI48RecordContent::report [function] [call site] 00463
4 EUI48RecordContent::report [function] [call site] 00464
4 LOCRecordContent::report [function] [call site] 00465
4 EUI48RecordContent::report [function] [call site] 00468
4 EUI48RecordContent::report [function] [call site] 00469
4 EUI48RecordContent::report [function] [call site] 00470
4 EUI48RecordContent::report [function] [call site] 00471
4 EUI48RecordContent::report [function] [call site] 00472
4 EUI48RecordContent::report [function] [call site] 00473
4 EUI48RecordContent::report [function] [call site] 00474
4 EUI48RecordContent::report [function] [call site] 00475
4 EUI48RecordContent::report [function] [call site] 00476
4 EUI48RecordContent::report [function] [call site] 00477
4 EUI48RecordContent::report [function] [call site] 00478
4 EUI48RecordContent::report [function] [call site] 00479
4 EUI48RecordContent::report [function] [call site] 00480
4 NSECRecordContent::report [function] [call site] 00481
4 NSEC3RecordContent::report [function] [call site] 00483
4 NSEC3PARAMRecordContent::report [function] [call site] 00485
4 EUI48RecordContent::report [function] [call site] 00488
4 EUI48RecordContent::report [function] [call site] 00489
4 EUI48RecordContent::report [function] [call site] 00490
4 EUI48RecordContent::report [function] [call site] 00491
4 EUI48RecordContent::report [function] [call site] 00492
4 EUI48RecordContent::report [function] [call site] 00493
4 DNSRecordContent::regist [function] [call site] 00494
4 DNSRecordContent::regist [function] [call site] 00495
4 EUI48RecordContent::report [function] [call site] 00496
4 EUI48RecordContent::report [function] [call site] 00497
4 EUI64RecordContent::report [function] [call site] 00498
4 EUI48RecordContent::report [function] [call site] 00500
4 EUI48RecordContent::report [function] [call site] 00501
4 EUI48RecordContent::report [function] [call site] 00502
4 APLRecordContent::report [function] [call site] 00503
4 EUI48RecordContent::report [function] [call site] 00505
4 CSYNCRecordContent::report [function] [call site] 00506
4 EUI48RecordContent::report [function] [call site] 00508
4 EUI48RecordContent::report [function] [call site] 00509
4 EUI48RecordContent::report [function] [call site] 00510
4 EUI48RecordContent::report [function] [call site] 00511
4 EUI48RecordContent::report [function] [call site] 00512
3 DNSRecordContent::lock [function] [call site] 00513
1 reinterpret_cast<const [call site] 00517
1 reinterpret_cast<const [call site] 00518