Fuzz introspector: pdns/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
612 1 LLVMFuzzerTestOneInput call site: 00001 GenericDNSPacketWriter ::xfrName
2 614 LLVMFuzzerTestOneInput call site: 00614

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 auto::c_str [function] [call site] 00048
10 dnsdist::logging::LoggingConfiguration::getLogTimestamps [function] [call site] 00049
10 dnsdist::logging::logTime [function] [call site] 00050
11 localtime_r [function] [call site] 00052
11 std::scoped_lock [function] [call site] 00053
11 strftime [function] [call site] 00054
11 std::array::data [function] [call site] 00055
11 std::array::size [function] [call site] 00056
11 std::array::data [function] [call site] 00057
8 stringerror [function] [call site] 00058
9 pdns::getMessageFromErrno [function] [call site] 00059
10 std::string::resize [function] [call site] 00060
10 strerror_r [function] [call site] 00061
10 std::string::data [function] [call site] 00062
10 std::string::length [function] [call site] 00063
10 strerror_r [function] [call site] 00064
10 std::string::data [function] [call site] 00065
10 std::string::length [function] [call site] 00066
10 std::string::c_str [function] [call site] 00067
8 dnsdist::logging::getTopLogger [function] [call site] 00068
9 std::atomic_load_explicit [function] [call site] 00069
9 std::runtime_error [function] [call site] 00070
9 Logging::Logger::withName [function] [call site] 00071
10 std::make_shared<Logger> [function] [call site] 00072
10 Logging::Logger::getptr [function] [call site] 00073
11 shared_from_this [function] [call site] 00074
10 std::make_shared<Logger> [function] [call site] 00076
10 Logging::Logger::getptr [function] [call site] 00077
9 std::string [function] [call site] 00078
8 Logging::Loggable [function] [call site] 00079
8 stringerror [function] [call site] 00081
8 Logging::Loggable [function] [call site] 00083
7 Distributor<Answer,Question,Backend>::Create [function] [call site] 00084
8 SingleThreadDistributor<Answer,Question,Backend>::SingleThreadDistributor<Answer,Question,Backend> [function] [call site] 00085
8 MultiThreadDistributor<Answer,Question,Backend>::MultiThreadDistributor<Answer,Question,Backend> [function] [call site] 00086
7 getPointer [function] [call site] 00088
7 getPointer [function] [call site] 00089
7 getPointer [function] [call site] 00090
7 getPointer [function] [call site] 00091
7 getPointer [function] [call site] 00092
7 getPointer [function] [call site] 00093
7 canReusePort [function] [call site] 00094
7 std::string::resize [function] [call site] 00096
7 std::string::resize [function] [call site] 00097
7 receive [function] [call site] 00098
8 getHandle [function] [call site] 00103
8 getHandle [function] [call site] 00105
8 std::array::data [function] [call site] 00106
8 std::array::size [function] [call site] 00107
8 std::array::data [function] [call site] 00109
8 static_cast<size_t> [function] [call site] 00110
8 DNSRecordContent::NumberToType [function] [call site] 00111
9 getT2Namemap [function] [call site] 00112
9 getT2Namemap [function] [call site] 00114
9 std::to_string [function] [call site] 00115
8 ArgvMap::begin [function] [call site] 00116
9 ArgvMap::begin [function] [call site] 00117
10 ArgvMap::begin [function] [call site] 00118
8 loggerBackend [function] [call site] 00119
9 Logger::Urgency [function] [call site] 00120
9 std::stringstream::str [function] [call site] 00121
9 std::quoted [function] [call site] 00122
9 std::quoted [function] [call site] 00123
9 pdns::random_minimum_acceptable_value [function] [call site] 00124
9 std::quoted [function] [call site] 00125
9 pdns::random_minimum_acceptable_value [function] [call site] 00126
9 std::quoted [function] [call site] 00127
9 std::to_string [function] [call site] 00128
9 std::quoted [function] [call site] 00129
9 Logr::Logger::toString [function] [call site] 00130
10 static_cast<unsigned [call site] 00131
10 std::array::size [function] [call site] 00132
10 std::array::at [function] [call site] 00133
9 std::quoted [function] [call site] 00134
9 Logging::toTimestampStringMilli [function] [call site] 00135
9 std::quoted [function] [call site] 00153
9 std::stringstream::str [function] [call site] 00154
8 ips::emplace_back [function] [call site] 00155
8 auto::getContent [function] [call site] 00156
8 DNSRecordContent::NumberToType [function] [call site] 00157
8 auto::getContent [function] [call site] 00158
8 push_back [function] [call site] 00159
7 DTime::udiffNoReset [function] [call site] 00160
8 DTime::udiff [function] [call site] 00161
9 gettimeofday [function] [call site] 00162
7 DNSPacket::getInnerRemote [function] [call site] 00164
7 DNSPacket::hasEDNSCookie [function] [call site] 00165
7 ringAccount [function] [call site] 00166
7 ringAccount [function] [call site] 00167
7 DNSPacket::getInnerRemote [function] [call site] 00168
7 DNSPacket::getMaxReplyLen [function] [call site] 00169
7 std::shared_ptr::info [function] [call site] 00170
7 Logging::Loggable [function] [call site] 00171
7 DNSPacket::getRemoteString [function] [call site] 00172
8 DNSPacket::getRemote [function] [call site] 00173
8 toString [function] [call site] 00174
9 getnameinfo [function] [call site] 00175
9 reinterpret_cast<const [call site] 00176
9 getSocklen [function] [call site] 00177
9 std::array::data [function] [call site] 00178
9 std::array::size [function] [call site] 00179
9 std::array::data [function] [call site] 00180
9 gai_strerror [function] [call site] 00182
8 DNSPacket::hasEDNSSubnet [function] [call site] 00183
8 DNSPacket::getRealRemote [function] [call site] 00184
9 getSource [function] [call site] 00185
9 DNSPacket::getInnerRemote [function] [call site] 00186
7 Logging::Loggable [function] [call site] 00187
7 Logging::Loggable [function] [call site] 00188
7 Logging::Loggable [function] [call site] 00189
7 Logging::Loggable [function] [call site] 00190
7 DNSPacket::getMaxReplyLen [function] [call site] 00191
7 Logging::Loggable [function] [call site] 00192
7 std::shared_ptr::info [function] [call site] 00193
7 Logging::Loggable [function] [call site] 00194
7 DNSPacket::getRemoteString [function] [call site] 00195
7 Logging::Loggable [function] [call site] 00196
7 Logging::Loggable [function] [call site] 00197
7 Logging::Loggable [function] [call site] 00198
7 Logging::Loggable [function] [call site] 00199
7 DNSPacket::getMaxReplyLen [function] [call site] 00200
7 DNSPacket::getRemoteString [function] [call site] 00201
7 DNSPacket::getMaxReplyLen [function] [call site] 00202
7 DNSPacket::getMaxReplyLen [function] [call site] 00203
7 DNSPacket::couldBeCached [function] [call site] 00205
7 getViewFromNetwork [function] [call site] 00206
7 get [function] [call site] 00207
8 makeTSIGPayload [function] [call site] 00217
9 protozero::append [function] [call site] 00221
10 std::vector<char>*::end [function] [call site] 00227
9 reinterpret_cast<const [call site] 00228
9 protozero::append [function] [call site] 00229
9 protozero::append [function] [call site] 00230
9 GenericDNSPacketWriter<Container>::xfrName [function] [call site] 00235
10 push_back [function] [call site] 00238
10 GenericDNSPacketWriter<Container>::lookupName [function] [call site] 00239
11 getStorage [function] [call site] 00240
11 protozero::push_back [function] [call site] 00243
12 std::vector<char>*::push_back [function] [call site] 00244
11 makeHexDump [function] [call site] 00246
12 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00247
13 capacity [function] [call site] 00249
13 pdns::ProtoZero::RecMessage::size [function] [call site] 00250
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00251
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00252
13 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00253
14 capacity [function] [call site] 00255
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00256
14 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00257
14 capacity [function] [call site] 00258
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00259
14 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00260
13 capacity [function] [call site] 00261
13 pdns::ProtoZero::RecMessage::size [function] [call site] 00262
13 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00263
12 static_cast<size_t> [function] [call site] 00264
12 snprintf [function] [call site] 00267
12 std::array::data [function] [call site] 00268
12 std::array::size [function] [call site] 00269
12 static_cast<unsigned [call site] 00270
12 std::array::data [function] [call site] 00271
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00275
12 GenericDNSPacketWriter<Container>::size [function] [call site] 00276
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00277
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00278
11 reinterpret_cast<const [call site] 00279
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00281
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00282
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00283
11 clear [function] [call site] 00284
12 LockGuardedTryHolder::owns_lock [function] [call site] 00285
13 LockGuardedTryHolder::owns_lock [function] [call site] 00286
14 LockGuardedTryHolder::owns_lock [function] [call site] 00287
12 LockGuardedTryHolder::owns_lock [function] [call site] 00288
13 LockGuardedTryHolder::owns_lock [function] [call site] 00289
11 std::to_string [function] [call site] 00300
11 protozero::push_back [function] [call site] 00302
11 boost::container::static_vector<uint16_t, [call site] 00303
11 boost::container::static_vector<uint16_t, [call site] 00304
11 boost::container::static_vector<uint16_t, [call site] 00305
11 boost::container::static_vector<uint16_t, [call site] 00306
11 std::string_view [function] [call site] 00307
11 std::string_view [function] [call site] 00309
11 pdns_ilexicographical_compare_three_way [function] [call site] 00310
12 std::string_view::data [function] [call site] 00311
12 std::string_view::data [function] [call site] 00312
12 std::string_view::length [function] [call site] 00313
12 std::string_view::length [function] [call site] 00314
12 dns_tolower [function] [call site] 00315
12 dns_tolower [function] [call site] 00316
11 boost::container::static_vector<uint16_t, [call site] 00318
10 getStorage [function] [call site] 00319
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00320
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00321
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00322
10 push_back [function] [call site] 00323
10 makeHexDump [function] [call site] 00324
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00328
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00333
10 push_back [function] [call site] 00334
10 push_back [function] [call site] 00335
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00336
10 push_back [function] [call site] 00337
10 make_unique<DNSName> [function] [call site] 00338
10 makeLowerCase [function] [call site] 00339
10 getStorage [function] [call site] 00340
10 makeHexDump [function] [call site] 00341
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00350
9 makeLowerCase [function] [call site] 00351
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00352
10 pdns::max [function] [call site] 00353
11 pdns::max [function] [call site] 00354
10 runtime_error [function] [call site] 00355
10 static_cast<uint16_t> [function] [call site] 00357
10 reinterpret_cast<uint8_t*> [function] [call site] 00358
9 GenericDNSPacketWriter<Container>::xfr32BitInt [function] [call site] 00361
10 pdns::max [function] [call site] 00362
10 runtime_error [function] [call site] 00363
10 static_cast<uint32_t> [function] [call site] 00365
10 reinterpret_cast<uint8_t*> [function] [call site] 00366
9 GenericDNSPacketWriter<Container>::xfrName [function] [call site] 00369
9 DNSName::makeLowerCase [function] [call site] 00370
10 DNSName::makeUsLowerCase [function] [call site] 00371
11 dns_tolower [function] [call site] 00372
9 PacketReader::xfr48BitInt [function] [call site] 00373
10 static_cast<uint8_t> [function] [call site] 00374
10 static_cast<uint8_t> [function] [call site] 00376
10 static_cast<uint8_t> [function] [call site] 00378
10 static_cast<uint8_t> [function] [call site] 00380
10 static_cast<uint8_t> [function] [call site] 00382
10 static_cast<uint8_t> [function] [call site] 00384
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00386
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00387
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00388
9 pdns::views::UnsignedCharView::length [function] [call site] 00389
10 pdns::views::UnsignedCharView::length [function] [call site] 00390
11 pdns::views::UnsignedCharView::length [function] [call site] 00391
9 protozero::append [function] [call site] 00392
9 ArgvMap::begin [function] [call site] 00393
10 ArgvMap::begin [function] [call site] 00394
9 loggerBackend [function] [call site] 00395
10 Logger::Urgency [function] [call site] 00396
10 std::stringstream::str [function] [call site] 00397
10 std::quoted [function] [call site] 00398
10 std::quoted [function] [call site] 00399
10 pdns::random_minimum_acceptable_value [function] [call site] 00400
10 std::quoted [function] [call site] 00401
10 pdns::random_minimum_acceptable_value [function] [call site] 00402
10 std::quoted [function] [call site] 00403
10 std::to_string [function] [call site] 00404
10 std::quoted [function] [call site] 00405
10 Logr::Logger::toString [function] [call site] 00406
10 std::quoted [function] [call site] 00407
10 Logging::toTimestampStringMilli [function] [call site] 00408
10 std::quoted [function] [call site] 00409
10 std::stringstream::str [function] [call site] 00410
8 loggerBackend [function] [call site] 00420
9 Logger::Urgency [function] [call site] 00421
9 std::stringstream::str [function] [call site] 00422
9 std::quoted [function] [call site] 00423
9 std::quoted [function] [call site] 00424
9 pdns::random_minimum_acceptable_value [function] [call site] 00425
9 std::quoted [function] [call site] 00426
9 pdns::random_minimum_acceptable_value [function] [call site] 00427
9 std::quoted [function] [call site] 00428
9 std::to_string [function] [call site] 00429
9 std::quoted [function] [call site] 00430
9 Logr::Logger::toString [function] [call site] 00431
9 std::quoted [function] [call site] 00432
9 Logging::toTimestampStringMilli [function] [call site] 00433
9 std::quoted [function] [call site] 00434
9 std::stringstream::str [function] [call site] 00435
8 std::stoull [function] [call site] 00436
7 std::shared_ptr::info [function] [call site] 00438
7 DNSPacket::setSocket [function] [call site] 00444
7 DNSPacket::getSocket [function] [call site] 00445
7 DNSPacket::setMaxReplyLen [function] [call site] 00446
7 DNSPacket::getMaxReplyLen [function] [call site] 00447
7 DNSPacket::commitD [function] [call site] 00448
7 DTime::udiffNoReset [function] [call site] 00450
7 udiff [function] [call site] 00477
8 getCurrentTime [function] [call site] 00478
9 gettime [function] [call site] 00479
10 clock_gettime [function] [call site] 00480
9 unixDie [function] [call site] 00481
10 runtime_error [function] [call site] 00482
10 stringerror [function] [call site] 00483
7 update_latencies [function] [call site] 00484
7 DTime::udiffNoReset [function] [call site] 00487
7 SingleThreadDistributor::isOverloaded [function] [call site] 00489
7 std::shared_ptr::info [function] [call site] 00491
7 std::shared_ptr::info [function] [call site] 00494
7 question [function] [call site] 00495
8 make_unique<DNSPacket> [function] [call site] 00496
7 std::shared_ptr::error [function] [call site] 00500
7 std::shared_ptr::error [function] [call site] 00503
6 pdns::views::UnsignedCharView::data [function] [call site] 00505
7 reinterpret_cast<const [call site] 00506
7 pdns::views::UnsignedCharView::data [function] [call site] 00507
8 reinterpret_cast<const [call site] 00508
8 pdns::views::UnsignedCharView::data [function] [call site] 00509
6 static_cast<size_t> [function] [call site] 00513
6 stream::gcount [function] [call site] 00514
6 pdns::views::UnsignedCharView::data [function] [call site] 00515
6 lua_load [function] [call site] 00516
7 lua_loadx [function] [call site] 00517
8 lj_buf_init [function] [call site] 00518
8 lj_vm_cpcall [function] [call site] 00520
8 lj_lex_cleanup [function] [call site] 00521
9 lj_mem_freevec [function] [call site] 00523
9 lj_mem_freevec [function] [call site] 00524
9 lj_buf_free [function] [call site] 00525
8 lj_gc_check [function] [call site] 00532
6 lua_tostring [function] [call site] 00533
6 std::bad_alloc [function] [call site] 00535
6 std::runtime_error [function] [call site] 00536
5 getTypemap [function] [call site] 00537
5 getZmakermap [function] [call site] 00539
5 getT2Namemap [function] [call site] 00541
5 getN2Typemap [function] [call site] 00543
4 EUI48RecordContent::report [function] [call site] 00545
4 EUI48RecordContent::report [function] [call site] 00546
4 DNSRecordContent::regist [function] [call site] 00547
4 DNSRecordContent::regist [function] [call site] 00548
4 DNSRecordContent::regist [function] [call site] 00549
3 reportOtherTypes [function] [call site] 00550
4 EUI48RecordContent::report [function] [call site] 00551
4 EUI48RecordContent::report [function] [call site] 00552
4 EUI48RecordContent::report [function] [call site] 00553
4 EUI48RecordContent::report [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 LOCRecordContent::report [function] [call site] 00560
4 EUI48RecordContent::report [function] [call site] 00563
4 EUI48RecordContent::report [function] [call site] 00564
4 EUI48RecordContent::report [function] [call site] 00565
4 EUI48RecordContent::report [function] [call site] 00566
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 NSECRecordContent::report [function] [call site] 00576
4 NSEC3RecordContent::report [function] [call site] 00578
4 NSEC3PARAMRecordContent::report [function] [call site] 00580
4 EUI48RecordContent::report [function] [call site] 00583
4 EUI48RecordContent::report [function] [call site] 00584
4 EUI48RecordContent::report [function] [call site] 00585
4 EUI48RecordContent::report [function] [call site] 00586
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 DNSRecordContent::regist [function] [call site] 00591
4 DNSRecordContent::regist [function] [call site] 00592
4 EUI48RecordContent::report [function] [call site] 00593
4 EUI48RecordContent::report [function] [call site] 00594
4 EUI64RecordContent::report [function] [call site] 00595
4 EUI48RecordContent::report [function] [call site] 00597
4 EUI48RecordContent::report [function] [call site] 00598
4 EUI48RecordContent::report [function] [call site] 00599
4 EUI48RecordContent::report [function] [call site] 00600
4 APLRecordContent::report [function] [call site] 00601
4 EUI48RecordContent::report [function] [call site] 00603
4 CSYNCRecordContent::report [function] [call site] 00604
4 EUI48RecordContent::report [function] [call site] 00606
4 EUI48RecordContent::report [function] [call site] 00607
4 EUI48RecordContent::report [function] [call site] 00608
4 EUI48RecordContent::report [function] [call site] 00609
4 EUI48RecordContent::report [function] [call site] 00610
4 EUI48RecordContent::report [function] [call site] 00611
3 DNSRecordContent::lock [function] [call site] 00612
1 pdns::max [function] [call site] 00614
1 reinterpret_cast<const [call site] 00615
1 reinterpret_cast<const [call site] 00616