[Fuzzing X64] [MihaZupan] Reduce Kerberos fuzzer duplication
For all the logs, see here.
Tracking issue: https://github.com/MihuBot/runtime-utils/issues/2175
Started at 2026-10-09 15-18-56 UTC, ran for 3 hours 54 minutes.
Arguments: fuzz fuzzer -short
[03:52:44] [ZipEncryptionStream 2] #131072 pulse cov: 2 ft: 3116 corp: 45/1349b lim: 1070 exec/s: 257 rss: 29Mb
[03:52:48] [ZipEncryptionStream 4] #148799 REDUCE cov: 2 ft: 3226 corp: 49/1784b lim: 1280 exec/s: 290 rss: 28Mb L: 3/172 MS: 2 EraseBytes-ShuffleBytes-
[03:52:56] [ZipEncryptionStream 1] #131072 pulse cov: 2 ft: 3325 corp: 52/2016b lim: 1100 exec/s: 251 rss: 28Mb
[03:53:02] [ZipEncryptionStream 4] #152683 REDUCE cov: 2 ft: 3226 corp: 49/1783b lim: 1310 exec/s: 289 rss: 28Mb L: 11/172 MS: 3 ShuffleBytes-ChangeBit-EraseBytes-
[03:53:07] [ZipEncryptionStream 1] #133889 REDUCE cov: 2 ft: 3325 corp: 52/2013b lim: 1120 exec/s: 251 rss: 28Mb L: 44/175 MS: 2 PersAutoDict-EraseBytes- DE: "\001\000"-
[03:53:12] [ZipEncryptionStream 1] #135018 REDUCE cov: 2 ft: 3325 corp: 52/2011b lim: 1130 exec/s: 251 rss: 28Mb L: 152/175 MS: 3 ChangeByte-CMP-EraseBytes- DE: "\377\377\377\377\377\377\377\001"-
[03:53:31] [ZipEncryptionStream 4] #160561 REDUCE cov: 2 ft: 3226 corp: 49/1778b lim: 1380 exec/s: 288 rss: 28Mb L: 159/172 MS: 5 PersAutoDict-ShuffleBytes-ChangeByte-CrossOver-ChangeBinInt- DE: "\000\000\000\000"-
[03:53:43] [ZipEncryptionStream 2] #147580 REDUCE cov: 2 ft: 3116 corp: 45/1344b lim: 1240 exec/s: 259 rss: 29Mb L: 153/153 MS: 2 EraseBytes-ChangeBit-
[03:53:48] [ZipEncryptionStream 2] #149058 REDUCE cov: 2 ft: 3116 corp: 45/1335b lim: 1250 exec/s: 259 rss: 29Mb L: 35/153 MS: 2 EraseBytes-ShuffleBytes-
[03:54:13] [ZipEncryptionStream 2] #156309 REDUCE cov: 2 ft: 3119 corp: 46/1488b lim: 1320 exec/s: 261 rss: 29Mb L: 153/153 MS: 1 ChangeASCIIInt-
[03:54:15] [ZipEncryptionStream 2] #156994 DONE cov: 2 ft: 3119 corp: 46/1488b lim: 1320 exec/s: 261 rss: 29Mb
[03:54:15] [ZipEncryptionStream 2] ###### Recommended dictionary. ######
[03:54:15] [ZipEncryptionStream 2] "\002\000\000\000\000\000\000\000" # Uses: 3368
[03:54:15] [ZipEncryptionStream 2] "\001\000\000\000\000\000\000\001" # Uses: 2402
[03:54:15] [ZipEncryptionStream 2] "\001\000" # Uses: 2571
[03:54:15] [ZipEncryptionStream 2] "\377\377\017\000\000\000\000\000" # Uses: 1896
[03:54:15] [ZipEncryptionStream 2] "\001\000\000\000" # Uses: 1906
[03:54:15] [ZipEncryptionStream 2] "\377\377\377\377\377\377\377<" # Uses: 1395
[03:54:15] [ZipEncryptionStream 2] ###### End of recommended dictionary. ######
[03:54:15] [ZipEncryptionStream 2] Done 156994 runs in 601 second(s)
[03:54:15] [ZipEncryptionStream 2] stat::number_of_executed_units: 156994
[03:54:15] [ZipEncryptionStream 2] stat::average_exec_per_sec: 261
[03:54:15] [ZipEncryptionStream 2] stat::new_units_added: 82
[03:54:15] [ZipEncryptionStream 2] stat::slowest_unit_time_sec: 0
[03:54:15] [ZipEncryptionStream 2] stat::peak_rss_mb: 29
[03:54:15] [ZipEncryptionStream 4] #173002 DONE cov: 2 ft: 3226 corp: 49/1778b lim: 1500 exec/s: 287 rss: 28Mb
[03:54:15] [ZipEncryptionStream 4] ###### Recommended dictionary. ######
[03:54:15] [ZipEncryptionStream 4] "\000\000" # Uses: 3501
[03:54:15] [ZipEncryptionStream 4] "\000\000\000\000" # Uses: 2955
[03:54:15] [ZipEncryptionStream 4] "\377\377\377\377" # Uses: 2920
[03:54:15] [ZipEncryptionStream 4] "\377\377\017\000\000\000\000\000" # Uses: 2521
[03:54:15] [ZipEncryptionStream 4] "\001\000" # Uses: 1727
[03:54:15] [ZipEncryptionStream 4] "\377\377" # Uses: 1372
[03:54:15] [ZipEncryptionStream 4] "\001\000\000\000" # Uses: 956
[03:54:15] [ZipEncryptionStream 4] ###### End of recommended dictionary. ######
[03:54:15] [ZipEncryptionStream 4] Done 173002 runs in 601 second(s)
[03:54:15] [ZipEncryptionStream 4] stat::number_of_executed_units: 173002
[03:54:15] [ZipEncryptionStream 4] stat::average_exec_per_sec: 287
[03:54:15] [ZipEncryptionStream 4] stat::new_units_added: 71
[03:54:15] [ZipEncryptionStream 4] stat::slowest_unit_time_sec: 0
[03:54:15] [ZipEncryptionStream 4] stat::peak_rss_mb: 28
[03:54:15] [ZipEncryptionStream 3] #161449 DONE cov: 2 ft: 3242 corp: 51/2063b lim: 1390 exec/s: 268 rss: 28Mb
[03:54:15] [ZipEncryptionStream 3] ###### Recommended dictionary. ######
[03:54:15] [ZipEncryptionStream 3] "\000\000\000\000" # Uses: 3228
[03:54:15] [ZipEncryptionStream 3] "\377\377\377\377" # Uses: 2975
[03:54:15] [ZipEncryptionStream 3] "\377\377" # Uses: 2813
[03:54:15] [ZipEncryptionStream 3] "\001\000\000\000\000\000\000\015" # Uses: 2075
[03:54:15] [ZipEncryptionStream 3] "\001\000" # Uses: 1688
[03:54:15] [ZipEncryptionStream 3] "\001\000\000\000" # Uses: 1498
[03:54:15] [ZipEncryptionStream 3] ###### End of recommended dictionary. ######
[03:54:15] [ZipEncryptionStream 3] Done 161449 runs in 601 second(s)
[03:54:15] [ZipEncryptionStream 3] stat::number_of_executed_units: 161449
[03:54:15] [ZipEncryptionStream 3] stat::average_exec_per_sec: 268
[03:54:15] [ZipEncryptionStream 3] stat::new_units_added: 76
[03:54:15] [ZipEncryptionStream 3] stat::slowest_unit_time_sec: 0
[03:54:15] [ZipEncryptionStream 3] stat::peak_rss_mb: 28
[03:54:15] [ZipEncryptionStream 1] #151445 DONE cov: 2 ft: 3325 corp: 52/2011b lim: 1290 exec/s: 251 rss: 28Mb
[03:54:15] [ZipEncryptionStream 1] ###### Recommended dictionary. ######
[03:54:15] [ZipEncryptionStream 1] "\000\000" # Uses: 2609
[03:54:15] [ZipEncryptionStream 1] "\377\377\017\000\000\000\000\000" # Uses: 2178
[03:54:15] [ZipEncryptionStream 1] "\001\000\000\000\000\020\000\000" # Uses: 1681
[03:54:15] [ZipEncryptionStream 1] "\377\377\377\377" # Uses: 1659
[03:54:15] [ZipEncryptionStream 1] "\014\000\000\000\000\000\000\000" # Uses: 1353
[03:54:15] [ZipEncryptionStream 1] "\000\000\000\000" # Uses: 860
[03:54:15] [ZipEncryptionStream 1] "\001\000" # Uses: 762
[03:54:15] [ZipEncryptionStream 1] "/\000\000\000\000\000\000\000" # Uses: 352
[03:54:15] [ZipEncryptionStream 1] "\377\377\377\377\377\377\377\001" # Uses: 162
[03:54:15] [ZipEncryptionStream 1] ###### End of recommended dictionary. ######
[03:54:15] [ZipEncryptionStream 1] Done 151445 runs in 601 second(s)
[03:54:15] [ZipEncryptionStream 1] stat::number_of_executed_units: 151445
[03:54:15] [ZipEncryptionStream 1] stat::average_exec_per_sec: 251
[03:54:15] [ZipEncryptionStream 1] stat::new_units_added: 72
[03:54:15] [ZipEncryptionStream 1] stat::slowest_unit_time_sec: 0
[03:54:15] [ZipEncryptionStream 1] stat::peak_rss_mb: 28
[03:54:16] [ZipEncryptionStreamFuzzer-inputs.zip] Compressing ZipEncryptionStreamFuzzer-inputs
[03:54:16] Uploading 'ZipEncryptionStreamFuzzer-inputs.zip'
[03:54:17]* Saved artifact 'ZipEncryptionStreamFuzzer-inputs.zip' to https://mihubot.xyz/r/FZ_SsSDA (44 KB)
[03:54:17] [ZipEncryptionStream coverage] Running 'powershell.exe -File "runtime/src/libraries/Fuzzing/DotnetFuzzing/deployment/../collect-coverage.ps1" ZipEncryptionStreamFuzzer ZipEncryptionStreamFuzzer-inputs -OutputDir ZipEncryptionStreamFuzzer-coverage'
[03:54:17] [ZipEncryptionStream coverage] Using dotnet: D:\runner\runtime\.dotnet\dotnet.exe
[03:54:17] [ZipEncryptionStream coverage] Checking for required tools...
[03:54:17] [ZipEncryptionStream coverage] coverlet.console: installed
[03:54:17] [ZipEncryptionStream coverage] dotnet-reportgenerator-globaltool: installed
[03:54:17] [ZipEncryptionStream coverage] Building the project...
[03:54:17] [ZipEncryptionStream coverage]
[03:54:18] [ZipEncryptionStream coverage] Determining projects to restore...
[03:54:22] [ZipEncryptionStream coverage] All projects are up-to-date for restore.
[03:54:22] [ZipEncryptionStream coverage] ILLink.RoslynAnalyzer -> D:\runner\runtime\artifacts\bin\ILLink.RoslynAnalyzer\Debug\netstandard2.0\ILLink.RoslynAnalyzer.dll
[03:54:22] [ZipEncryptionStream coverage] ILLink.CodeFixProvider -> D:\runner\runtime\artifacts\bin\ILLink.CodeFixProvider\Debug\netstandard2.0\ILLink.CodeFixProvider.dll
[03:54:22] [ZipEncryptionStream coverage] Mono.Linker -> D:\runner\runtime\artifacts\bin\Mono.Linker\ref\Debug\net11.0\illink.dll
[03:54:23] [ZipEncryptionStream coverage] Mono.Linker -> D:\runner\runtime\artifacts\bin\Mono.Linker\Debug\net11.0\illink.dll
[03:54:23] [ZipEncryptionStream coverage] ILLink.Tasks -> D:\runner\runtime\artifacts\bin\ILLink.Tasks\Debug\net\ILLink.Tasks.dll
[03:54:23] [ZipEncryptionStream coverage] System.Formats.Nrbf -> D:\runner\runtime\artifacts\bin\System.Formats.Nrbf\ref\Debug\net11.0\System.Formats.Nrbf.dll
[03:54:23] [ZipEncryptionStream coverage] System.Formats.Nrbf -> D:\runner\runtime\artifacts\bin\System.Formats.Nrbf\Debug\net11.0\System.Formats.Nrbf.dll
[03:54:23] [ZipEncryptionStream coverage] DotnetFuzzing -> D:\runner\runtime\artifacts\bin\DotnetFuzzing\Debug\net11.0\win-x64\DotnetFuzzing.dll
[03:54:23] [ZipEncryptionStream coverage]
[03:54:23] [ZipEncryptionStream coverage] Build succeeded.
[03:54:23] [ZipEncryptionStream coverage] 0 Warning(s)
[03:54:23] [ZipEncryptionStream coverage] 0 Error(s)
[03:54:23] [ZipEncryptionStream coverage]
[03:54:23] [ZipEncryptionStream coverage] Time Elapsed 00:00:05.47
[03:54:23] [ZipEncryptionStream coverage] Found assembly: D:\runner\runtime\artifacts\bin\DotnetFuzzing\Debug\net11.0\win-x64\DotnetFuzzing.dll
[03:54:23] [ZipEncryptionStream coverage] Getting instrumented assemblies for ZipEncryptionStreamFuzzer...
[03:54:27] [ZipEncryptionStream coverage] Instrumented assemblies:
[03:54:27] [ZipEncryptionStream coverage] - System.IO.Compression.dll
[03:54:27] [ZipEncryptionStream coverage] Copying PDB files for instrumented assemblies...
[03:54:27] [ZipEncryptionStream coverage] Using runtime directory: D:\runner\runtime\artifacts\bin\runtime\net11.0-windows-Debug-x64
[03:54:27] [ZipEncryptionStream coverage] Using CoreCLR directory: D:\runner\runtime\artifacts\bin\coreclr\windows.x64.Checked\IL
[03:54:27] [ZipEncryptionStream coverage] Copied System.IO.Compression.pdb
[03:54:27] [ZipEncryptionStream coverage]
[03:54:27] [ZipEncryptionStream coverage] Collecting coverage...
[03:54:27] [ZipEncryptionStream coverage] Running: coverlet D:\runner\runtime\artifacts\bin\DotnetFuzzing\Debug\net11.0\win-x64\DotnetFuzzing.dll --target D:\runner\runtime\.dotnet\dotnet.exe --targetargs run --project D:\runner\runtime\src\libraries\Fuzzing\DotnetFuzzing --no-build -- ZipEncryptionStreamFuzzer ZipEncryptionStreamFuzzer-inputs --output ZipEncryptionStreamFuzzer-coverage/ --format opencover --use-source-link --does-not-return-attribute DoesNotReturn --exclude-by-file D:\runne ...
[03:54:27] [ZipEncryptionStream coverage]
[03:54:32] [ZipEncryptionStream coverage] PID: 11364
[03:54:34] [ZipEncryptionStream coverage]
[03:54:34] [ZipEncryptionStream coverage] Calculating coverage result...
[03:54:35] [ZipEncryptionStream coverage] Generating report 'ZipEncryptionStreamFuzzer-coverage\coverage.opencover.xml'
[03:54:35] [ZipEncryptionStream coverage] +-----------------------+--------+--------+--------+
[03:54:35] [ZipEncryptionStream coverage] | Module | Line | Branch | Method |
[03:54:35] [ZipEncryptionStream coverage] +-----------------------+--------+--------+--------+
[03:54:35] [ZipEncryptionStream coverage] | System.IO.Compression | 36.32% | 29.49% | 34.16% |
[03:54:35] [ZipEncryptionStream coverage] +-----------------------+--------+--------+--------+
[03:54:35] [ZipEncryptionStream coverage]
[03:54:35] [ZipEncryptionStream coverage] +---------+--------+--------+--------+
[03:54:35] [ZipEncryptionStream coverage] | | Line | Branch | Method |
[03:54:35] [ZipEncryptionStream coverage] +---------+--------+--------+--------+
[03:54:35] [ZipEncryptionStream coverage] | Total | 36.32% | 29.49% | 34.16% |
[03:54:35] [ZipEncryptionStream coverage] +---------+--------+--------+--------+
[03:54:35] [ZipEncryptionStream coverage] | Average | 36.32% | 29.49% | 34.15% |
[03:54:35] [ZipEncryptionStream coverage] +---------+--------+--------+--------+
[03:54:35] [ZipEncryptionStream coverage]
[03:54:35] [ZipEncryptionStream coverage]
[03:54:35] [ZipEncryptionStream coverage] Coverage report generated in: ZipEncryptionStreamFuzzer-coverage
[03:54:35] [ZipEncryptionStream coverage] - OpenCover report: D:\runner\ZipEncryptionStreamFuzzer-coverage\coverage.opencover.xml
[03:54:35] [ZipEncryptionStream coverage]
[03:54:35] [ZipEncryptionStream coverage] Generating HTML report...
[03:54:35] [ZipEncryptionStream coverage] 2026-10-09T19:13:32: Arguments
[03:54:35] [ZipEncryptionStream coverage] 2026-10-09T19:13:32: -reports:D:\runner\ZipEncryptionStreamFuzzer-coverage\coverage.opencover.xml
[03:54:35] [ZipEncryptionStream coverage] 2026-10-09T19:13:32: -targetdir:ZipEncryptionStreamFuzzer-coverage\html
[03:54:35] [ZipEncryptionStream coverage] 2026-10-09T19:13:32: -reporttypes:Html
[03:54:36] [ZipEncryptionStream coverage] 2026-10-09T19:13:33: Error during reading file 'https://raw.githubusercontent.com/dotnet/runtime/811a7eabb75c42db53440e8ba3f60c07511cfd1f/artifacts/obj/System.IO.Compression/Debug/net11.0-windows/System.SR.cs': Response status code does not indicate success: 404 (Not Found).
[03:54:36] [ZipEncryptionStream coverage] 2026-10-09T19:13:33: Writing report file 'ZipEncryptionStreamFuzzer-coverage\html\index.html'
[03:54:36] [ZipEncryptionStream coverage] 2026-10-09T19:13:33: Report generation took 0.7 seconds
[03:54:36] [ZipEncryptionStream coverage]
[03:54:36] [ZipEncryptionStream coverage] HTML report generated: ZipEncryptionStreamFuzzer-coverage\html\index.html
[03:54:36] [ZipEncryptionStreamFuzzer-coverage.zip] Compressing ZipEncryptionStreamFuzzer-coverage
[03:54:36] Uploading 'ZipEncryptionStreamFuzzer-coverage.zip'
[03:54:37]* Saved artifact 'ZipEncryptionStreamFuzzer-coverage.zip' to https://mihubot.xyz/r/FZ_SxOGA (1 MB)
[03:54:37] Average overall CPU usage estimate: 92 %
[03:54:37] Average overall memory usage estimate: 26 %
[03:54:40]* Saved artifact 'logs.txt' to https://mihubot.xyz/r/FZ_Sx7ZA (14 MB)