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
616 1 LLVMFuzzerTestOneInput call site: 00001 GenericDNSPacketWriter ::xfrName
2 618 LLVMFuzzerTestOneInput call site: 00618

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 std::to_string [function] [call site] 00022
7 setThreadName [function] [call site] 00023
8 trySetThreadName [function] [call site] 00024
9 pthread_setname_np [function] [call site] 00025
9 pthread_self [function] [call site] 00026
9 pthread_set_name_np [function] [call site] 00028
9 pthread_self [function] [call site] 00029
9 pthread_set_name_np [function] [call site] 00031
9 pthread_self [function] [call site] 00032
9 pthread_setname_np [function] [call site] 00034
9 pthread_setname_np [function] [call site] 00036
9 pthread_self [function] [call site] 00037
8 trySetThreadName [function] [call site] 00040
8 warnlog [function] [call site] 00042
9 genlog [function] [call site] 00043
10 std::ostringstream::str [function] [call site] 00045
10 dnsdist::logging::LoggingConfiguration::getSyslog [function] [call site] 00046
10 rfc_str [function] [call site] 00048
11 validate [function] [call site] 00049
12 std::range_error [function] [call site] 00050
12 std::range_error [function] [call site] 00051
12 std::range_error [function] [call site] 00052
12 std::range_error [function] [call site] 00053
11 std::setfill [function] [call site] 00054
11 std::setw [function] [call site] 00055
11 std::setfill [function] [call site] 00056
11 std::setw [function] [call site] 00057
11 std::setfill [function] [call site] 00058
11 std::setw [function] [call site] 00059
11 std::setfill [function] [call site] 00060
11 std::setw [function] [call site] 00061
11 std::setfill [function] [call site] 00062
11 std::setw [function] [call site] 00063
11 std::setfill [function] [call site] 00064
11 std::setw [function] [call site] 00065
11 std::setfill [function] [call site] 00066
11 std::setw [function] [call site] 00067
11 std::ostringstream::str [function] [call site] 00068
10 dnsdist::logging::LoggingConfiguration::getLogTimestamps [function] [call site] 00069
10 dnsdist::logging::logTime [function] [call site] 00070
11 localtime_r [function] [call site] 00072
11 std::scoped_lock [function] [call site] 00073
11 strftime [function] [call site] 00074
11 std::array::data [function] [call site] 00075
11 std::array::size [function] [call site] 00076
11 std::array::data [function] [call site] 00077
8 dnsdist::logging::getTopLogger [function] [call site] 00079
9 std::atomic_load_explicit [function] [call site] 00080
9 std::runtime_error [function] [call site] 00081
9 Logging::Logger::withName [function] [call site] 00082
10 std::make_shared<Logger> [function] [call site] 00083
10 Logging::Logger::getptr [function] [call site] 00084
11 shared_from_this [function] [call site] 00085
10 std::make_shared<Logger> [function] [call site] 00087
10 Logging::Logger::getptr [function] [call site] 00088
9 std::string [function] [call site] 00089
8 Logging::Loggable [function] [call site] 00090
8 Logging::Loggable [function] [call site] 00094
7 Distributor<Answer,Question,Backend>::Create [function] [call site] 00095
8 SingleThreadDistributor<Answer,Question,Backend>::SingleThreadDistributor<Answer,Question,Backend> [function] [call site] 00096
8 MultiThreadDistributor<Answer,Question,Backend>::MultiThreadDistributor<Answer,Question,Backend> [function] [call site] 00097
7 getPointer [function] [call site] 00099
7 getPointer [function] [call site] 00100
7 getPointer [function] [call site] 00101
7 getPointer [function] [call site] 00102
7 getPointer [function] [call site] 00103
7 getPointer [function] [call site] 00104
7 canReusePort [function] [call site] 00105
7 receive [function] [call site] 00113
8 getHandle [function] [call site] 00118
8 getHandle [function] [call site] 00120
8 std::array::data [function] [call site] 00121
8 std::array::size [function] [call site] 00122
8 std::array::data [function] [call site] 00124
8 static_cast<size_t> [function] [call site] 00125
8 DNSRecordContent::NumberToType [function] [call site] 00126
9 getT2Namemap [function] [call site] 00127
9 getT2Namemap [function] [call site] 00129
9 std::to_string [function] [call site] 00130
8 ArgvMap::begin [function] [call site] 00131
9 ArgvMap::begin [function] [call site] 00132
10 ArgvMap::begin [function] [call site] 00133
8 loggerBackend [function] [call site] 00134
9 Logger::Urgency [function] [call site] 00135
9 std::stringstream::str [function] [call site] 00136
9 std::quoted [function] [call site] 00137
9 std::quoted [function] [call site] 00138
9 pdns::random_minimum_acceptable_value [function] [call site] 00139
9 std::quoted [function] [call site] 00140
9 pdns::random_minimum_acceptable_value [function] [call site] 00141
9 std::quoted [function] [call site] 00142
9 std::to_string [function] [call site] 00143
9 std::quoted [function] [call site] 00144
9 Logr::Logger::toString [function] [call site] 00145
10 static_cast<unsigned [call site] 00146
10 std::array::size [function] [call site] 00147
10 std::array::at [function] [call site] 00148
9 std::quoted [function] [call site] 00149
9 Logging::toTimestampStringMilli [function] [call site] 00150
9 std::quoted [function] [call site] 00168
9 std::stringstream::str [function] [call site] 00169
8 ips::emplace_back [function] [call site] 00170
8 auto::getContent [function] [call site] 00171
8 DNSRecordContent::NumberToType [function] [call site] 00172
8 auto::getContent [function] [call site] 00173
8 push_back [function] [call site] 00174
7 DTime::udiffNoReset [function] [call site] 00175
8 DTime::udiff [function] [call site] 00176
9 gettimeofday [function] [call site] 00177
7 DNSPacket::getInnerRemote [function] [call site] 00179
7 DNSPacket::hasEDNSCookie [function] [call site] 00180
7 ringAccount [function] [call site] 00181
7 ringAccount [function] [call site] 00182
7 DNSPacket::getInnerRemote [function] [call site] 00183
7 DNSPacket::getMaxReplyLen [function] [call site] 00184
7 std::shared_ptr::info [function] [call site] 00185
7 Logging::Loggable [function] [call site] 00186
7 DNSPacket::getRemoteString [function] [call site] 00187
8 DNSPacket::getRemote [function] [call site] 00188
8 toString [function] [call site] 00189
9 getnameinfo [function] [call site] 00190
9 reinterpret_cast<const [call site] 00191
9 getSocklen [function] [call site] 00192
9 std::array::data [function] [call site] 00193
9 std::array::size [function] [call site] 00194
9 std::array::data [function] [call site] 00195
9 gai_strerror [function] [call site] 00197
8 DNSPacket::hasEDNSSubnet [function] [call site] 00198
8 DNSPacket::getRealRemote [function] [call site] 00199
9 getSource [function] [call site] 00200
9 DNSPacket::getInnerRemote [function] [call site] 00201
7 Logging::Loggable [function] [call site] 00202
7 Logging::Loggable [function] [call site] 00203
7 Logging::Loggable [function] [call site] 00204
7 Logging::Loggable [function] [call site] 00205
7 DNSPacket::getMaxReplyLen [function] [call site] 00206
7 Logging::Loggable [function] [call site] 00207
7 std::shared_ptr::info [function] [call site] 00208
7 Logging::Loggable [function] [call site] 00209
7 DNSPacket::getRemoteString [function] [call site] 00210
7 Logging::Loggable [function] [call site] 00211
7 Logging::Loggable [function] [call site] 00212
7 Logging::Loggable [function] [call site] 00213
7 Logging::Loggable [function] [call site] 00214
7 DNSPacket::getMaxReplyLen [function] [call site] 00215
7 DNSPacket::getRemoteString [function] [call site] 00216
7 DNSPacket::getMaxReplyLen [function] [call site] 00217
7 DNSPacket::getMaxReplyLen [function] [call site] 00218
7 DNSPacket::couldBeCached [function] [call site] 00220
7 getViewFromNetwork [function] [call site] 00221
7 get [function] [call site] 00222
8 makeTSIGPayload [function] [call site] 00232
9 protozero::append [function] [call site] 00236
10 std::vector<char>*::end [function] [call site] 00242
9 reinterpret_cast<const [call site] 00243
9 protozero::append [function] [call site] 00244
9 protozero::append [function] [call site] 00245
9 GenericDNSPacketWriter<Container>::xfrName [function] [call site] 00250
10 push_back [function] [call site] 00253
10 GenericDNSPacketWriter<Container>::lookupName [function] [call site] 00254
11 getStorage [function] [call site] 00255
11 protozero::push_back [function] [call site] 00258
12 std::vector<char>*::push_back [function] [call site] 00259
11 makeHexDump [function] [call site] 00261
12 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00262
13 capacity [function] [call site] 00264
13 pdns::ProtoZero::RecMessage::size [function] [call site] 00265
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00266
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00267
13 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00268
14 capacity [function] [call site] 00270
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00271
14 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00272
14 capacity [function] [call site] 00273
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00274
14 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00275
13 capacity [function] [call site] 00276
13 pdns::ProtoZero::RecMessage::size [function] [call site] 00277
13 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00278
12 static_cast<size_t> [function] [call site] 00279
12 snprintf [function] [call site] 00282
12 std::array::data [function] [call site] 00283
12 std::array::size [function] [call site] 00284
12 static_cast<unsigned [call site] 00285
12 std::array::data [function] [call site] 00286
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00290
12 GenericDNSPacketWriter<Container>::size [function] [call site] 00291
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00292
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00293
11 reinterpret_cast<const [call site] 00294
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00296
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00297
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00298
11 clear [function] [call site] 00299
12 LockGuardedTryHolder::owns_lock [function] [call site] 00300
13 LockGuardedTryHolder::owns_lock [function] [call site] 00301
14 LockGuardedTryHolder::owns_lock [function] [call site] 00302
12 LockGuardedTryHolder::owns_lock [function] [call site] 00303
13 LockGuardedTryHolder::owns_lock [function] [call site] 00304
11 std::to_string [function] [call site] 00315
11 protozero::push_back [function] [call site] 00317
11 boost::container::static_vector<uint16_t, [call site] 00318
11 boost::container::static_vector<uint16_t, [call site] 00319
11 boost::container::static_vector<uint16_t, [call site] 00320
11 boost::container::static_vector<uint16_t, [call site] 00321
11 strncasecmp [function] [call site] 00322
11 boost::container::static_vector<uint16_t, [call site] 00329
10 getStorage [function] [call site] 00330
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00331
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00332
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00333
10 push_back [function] [call site] 00334
10 makeHexDump [function] [call site] 00335
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00339
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00344
10 push_back [function] [call site] 00345
10 push_back [function] [call site] 00346
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00347
10 push_back [function] [call site] 00348
10 make_unique<DNSName> [function] [call site] 00349
10 makeLowerCase [function] [call site] 00350
10 getStorage [function] [call site] 00351
10 makeHexDump [function] [call site] 00352
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00361
9 makeLowerCase [function] [call site] 00362
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00363
10 pdns::max [function] [call site] 00364
11 pdns::max [function] [call site] 00365
10 runtime_error [function] [call site] 00366
10 static_cast<uint16_t> [function] [call site] 00368
10 reinterpret_cast<uint8_t*> [function] [call site] 00369
9 GenericDNSPacketWriter<Container>::xfr32BitInt [function] [call site] 00372
10 pdns::max [function] [call site] 00373
10 runtime_error [function] [call site] 00374
10 static_cast<uint32_t> [function] [call site] 00376
10 reinterpret_cast<uint8_t*> [function] [call site] 00377
9 GenericDNSPacketWriter<Container>::xfrName [function] [call site] 00380
9 DNSName::makeLowerCase [function] [call site] 00381
10 DNSName::makeUsLowerCase [function] [call site] 00382
11 dns_tolower [function] [call site] 00383
9 PacketReader::xfr48BitInt [function] [call site] 00384
10 static_cast<uint8_t> [function] [call site] 00385
10 static_cast<uint8_t> [function] [call site] 00387
10 static_cast<uint8_t> [function] [call site] 00389
10 static_cast<uint8_t> [function] [call site] 00391
10 static_cast<uint8_t> [function] [call site] 00393
10 static_cast<uint8_t> [function] [call site] 00395
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00397
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00398
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00399
9 pdns::views::UnsignedCharView::length [function] [call site] 00400
10 pdns::views::UnsignedCharView::length [function] [call site] 00401
11 pdns::views::UnsignedCharView::length [function] [call site] 00402
9 protozero::append [function] [call site] 00403
9 ArgvMap::begin [function] [call site] 00404
10 ArgvMap::begin [function] [call site] 00405
9 loggerBackend [function] [call site] 00406
10 Logger::Urgency [function] [call site] 00407
10 std::stringstream::str [function] [call site] 00408
10 std::quoted [function] [call site] 00409
10 std::quoted [function] [call site] 00410
10 pdns::random_minimum_acceptable_value [function] [call site] 00411
10 std::quoted [function] [call site] 00412
10 pdns::random_minimum_acceptable_value [function] [call site] 00413
10 std::quoted [function] [call site] 00414
10 std::to_string [function] [call site] 00415
10 std::quoted [function] [call site] 00416
10 Logr::Logger::toString [function] [call site] 00417
10 std::quoted [function] [call site] 00418
10 Logging::toTimestampStringMilli [function] [call site] 00419
10 std::quoted [function] [call site] 00420
10 std::stringstream::str [function] [call site] 00421
8 loggerBackend [function] [call site] 00431
9 Logger::Urgency [function] [call site] 00432
9 std::stringstream::str [function] [call site] 00433
9 std::quoted [function] [call site] 00434
9 std::quoted [function] [call site] 00435
9 pdns::random_minimum_acceptable_value [function] [call site] 00436
9 std::quoted [function] [call site] 00437
9 pdns::random_minimum_acceptable_value [function] [call site] 00438
9 std::quoted [function] [call site] 00439
9 std::to_string [function] [call site] 00440
9 std::quoted [function] [call site] 00441
9 Logr::Logger::toString [function] [call site] 00442
9 std::quoted [function] [call site] 00443
9 Logging::toTimestampStringMilli [function] [call site] 00444
9 std::quoted [function] [call site] 00445
9 std::stringstream::str [function] [call site] 00446
8 std::stoull [function] [call site] 00447
7 std::shared_ptr::info [function] [call site] 00449
7 DNSPacket::setSocket [function] [call site] 00455
7 DNSPacket::getSocket [function] [call site] 00456
7 DNSPacket::setMaxReplyLen [function] [call site] 00457
7 DNSPacket::getMaxReplyLen [function] [call site] 00458
7 DNSPacket::commitD [function] [call site] 00459
7 DTime::udiffNoReset [function] [call site] 00461
7 send [function] [call site] 00463
8 getHeader [function] [call site] 00466
9 std::runtime_error [function] [call site] 00468
9 std::to_string [function] [call site] 00469
9 dnsheader_aligned [function] [call site] 00471
8 pop_front [function] [call site] 00474
8 getHeader [function] [call site] 00475
8 getHeader [function] [call site] 00476
8 Socket::send [function] [call site] 00477
9 Socket::send [function] [call site] 00478
9 NetworkError [function] [call site] 00481
9 stringerror [function] [call site] 00482
10 pdns::getMessageFromErrno [function] [call site] 00483
11 strerror_r [function] [call site] 00485
11 std::string::data [function] [call site] 00486
11 std::string::length [function] [call site] 00487
11 strerror_r [function] [call site] 00488
11 std::string::data [function] [call site] 00489
11 std::string::length [function] [call site] 00490
11 std::string::c_str [function] [call site] 00491
8 getHandle [function] [call site] 00492
8 ArgvMap::begin [function] [call site] 00493
8 getHeader [function] [call site] 00495
8 getHeader [function] [call site] 00496
7 udiff [function] [call site] 00497
8 getCurrentTime [function] [call site] 00498
9 gettime [function] [call site] 00499
10 clock_gettime [function] [call site] 00500
9 unixDie [function] [call site] 00501
10 runtime_error [function] [call site] 00502
10 stringerror [function] [call site] 00503
7 update_latencies [function] [call site] 00504
7 DTime::udiffNoReset [function] [call site] 00507
7 SingleThreadDistributor::isOverloaded [function] [call site] 00509
7 std::shared_ptr::info [function] [call site] 00511
7 std::shared_ptr::info [function] [call site] 00514
7 question [function] [call site] 00515
8 make_unique<DNSPacket> [function] [call site] 00516
7 std::shared_ptr::error [function] [call site] 00520
7 std::shared_ptr::error [function] [call site] 00523
6 pdns::views::UnsignedCharView::data [function] [call site] 00525
7 reinterpret_cast<const [call site] 00526
7 pdns::views::UnsignedCharView::data [function] [call site] 00527
8 reinterpret_cast<const [call site] 00528
8 pdns::views::UnsignedCharView::data [function] [call site] 00529
6 static_cast<size_t> [function] [call site] 00533
6 stream::gcount [function] [call site] 00534
6 pdns::views::UnsignedCharView::data [function] [call site] 00535
6 lua_tostring [function] [call site] 00537
6 std::bad_alloc [function] [call site] 00539
6 std::runtime_error [function] [call site] 00540
5 getTypemap [function] [call site] 00541
5 getZmakermap [function] [call site] 00543
5 getT2Namemap [function] [call site] 00545
5 getN2Typemap [function] [call site] 00547
4 EUI48RecordContent::report [function] [call site] 00549
4 EUI48RecordContent::report [function] [call site] 00550
4 DNSRecordContent::regist [function] [call site] 00551
4 DNSRecordContent::regist [function] [call site] 00552
4 DNSRecordContent::regist [function] [call site] 00553
3 reportOtherTypes [function] [call site] 00554
4 EUI48RecordContent::report [function] [call site] 00555
4 EUI48RecordContent::report [function] [call site] 00556
4 EUI48RecordContent::report [function] [call site] 00557
4 EUI48RecordContent::report [function] [call site] 00558
4 EUI48RecordContent::report [function] [call site] 00559
4 EUI48RecordContent::report [function] [call site] 00560
4 EUI48RecordContent::report [function] [call site] 00561
4 EUI48RecordContent::report [function] [call site] 00562
4 EUI48RecordContent::report [function] [call site] 00563
4 LOCRecordContent::report [function] [call site] 00564
4 EUI48RecordContent::report [function] [call site] 00567
4 EUI48RecordContent::report [function] [call site] 00568
4 EUI48RecordContent::report [function] [call site] 00569
4 EUI48RecordContent::report [function] [call site] 00570
4 EUI48RecordContent::report [function] [call site] 00571
4 EUI48RecordContent::report [function] [call site] 00572
4 EUI48RecordContent::report [function] [call site] 00573
4 EUI48RecordContent::report [function] [call site] 00574
4 EUI48RecordContent::report [function] [call site] 00575
4 EUI48RecordContent::report [function] [call site] 00576
4 EUI48RecordContent::report [function] [call site] 00577
4 EUI48RecordContent::report [function] [call site] 00578
4 EUI48RecordContent::report [function] [call site] 00579
4 NSECRecordContent::report [function] [call site] 00580
4 NSEC3RecordContent::report [function] [call site] 00582
4 NSEC3PARAMRecordContent::report [function] [call site] 00584
4 EUI48RecordContent::report [function] [call site] 00587
4 EUI48RecordContent::report [function] [call site] 00588
4 EUI48RecordContent::report [function] [call site] 00589
4 EUI48RecordContent::report [function] [call site] 00590
4 EUI48RecordContent::report [function] [call site] 00591
4 EUI48RecordContent::report [function] [call site] 00592
4 EUI48RecordContent::report [function] [call site] 00593
4 EUI48RecordContent::report [function] [call site] 00594
4 DNSRecordContent::regist [function] [call site] 00595
4 DNSRecordContent::regist [function] [call site] 00596
4 EUI48RecordContent::report [function] [call site] 00597
4 EUI48RecordContent::report [function] [call site] 00598
4 EUI64RecordContent::report [function] [call site] 00599
4 EUI48RecordContent::report [function] [call site] 00601
4 EUI48RecordContent::report [function] [call site] 00602
4 EUI48RecordContent::report [function] [call site] 00603
4 EUI48RecordContent::report [function] [call site] 00604
4 APLRecordContent::report [function] [call site] 00605
4 EUI48RecordContent::report [function] [call site] 00607
4 CSYNCRecordContent::report [function] [call site] 00608
4 EUI48RecordContent::report [function] [call site] 00610
4 EUI48RecordContent::report [function] [call site] 00611
4 EUI48RecordContent::report [function] [call site] 00612
4 EUI48RecordContent::report [function] [call site] 00613
4 EUI48RecordContent::report [function] [call site] 00614
4 EUI48RecordContent::report [function] [call site] 00615
3 DNSRecordContent::lock [function] [call site] 00616
1 pdns::max [function] [call site] 00618
1 reinterpret_cast<const [call site] 00619
1 reinterpret_cast<const [call site] 00620