acidanthera/audk
Feb 2022 – Mar 2026
8 Months active
Languages Used
CNonePythonYAMLAssemblyC++Bash
Technical Skills
UEFIfirmware developmentsystem programmingC programmingembedded systemslow-level programming
Savva Mitrofanov
PROFILE
Savva Mitrofanov
Savva Mitrofanov contributed to the acidanthera/audk repository by developing and maintaining low-level firmware and embedded systems features, focusing on stability, memory safety, and CI/CD modernization. He addressed critical bugs in UEFI firmware, such as correcting SMM handler conventions and fixing alignment issues in network checksums, using C and assembly for robust system programming. Savva enhanced Unicode conversion reliability, improved decompression routines, and refactored code to reduce compiler warnings. He modernized CI pipelines with Azure DevOps and GitHub Actions, integrating security analysis and streamlining workflows. His disciplined approach ensured maintainable, cross-platform builds and improved reliability across diverse architectures and toolchains.
Overall Statistics
Feature vs Bugs
40%Features
Repository Contributions
37Total
Bugs
9
Commits
37
Features
6
Lines of code
3,338,961
Activity Months8
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29 peopleShared Repositories
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Hua MaMember
Work History
March 2026
2 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for acidanthera/audk: Delivered a modernized CI pipeline with enhanced security and streamlined workflows; stabilized builds for OpenDuet and Amaranth compatibility; reduced maintenance burden by removing outdated workflows; laid groundwork for faster, more secure releases.
2 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for acidanthera/audk: Delivered a modernized CI pipeline with enhanced security and streamlined workflows; stabilized builds for OpenDuet and Amaranth compatibility; reduced maintenance burden by removing outdated workflows; laid groundwork for faster, more secure releases.
March 2026
March 2025
1 Commits
Mar 1, 2025March 2025 monthly summary for acidanthera/audk: Delivered a critical fix to ensure correct checksum calculations in the NetblockChecksum function within DxeNetLib, improving networking reliability across varied data alignments and architectures. The change adheres to strict aliasing rules by iterating the buffer byte-by-byte rather than casting to a 16-bit pointer, eliminating a class of alignment-related issues in the Netblock checksum path.
March 2025
1 Commits
Mar 1, 2025March 2025 monthly summary for acidanthera/audk: Delivered a critical fix to ensure correct checksum calculations in the NetblockChecksum function within DxeNetLib, improving networking reliability across varied data alignments and architectures. The change adheres to strict aliasing rules by iterating the buffer byte-by-byte rather than casting to a 16-bit pointer, eliminating a class of alignment-related issues in the Netblock checksum path.
July 2023
1 Commits • 1 Features
Jul 1, 2023July 2023 monthly summary for acidanthera/audk focused on configuration maintenance and governance. Key feature delivered: cleanup of dependency management configuration by removing Depen dabot configuration, aligning with manual update processes and reducing automated PR churn. No major bugs fixed this month. Overall impact includes improved maintainability, clearer ownership of updates, and a streamlined CI/CD configuration.
1 Commits • 1 Features
Jul 1, 2023July 2023 monthly summary for acidanthera/audk focused on configuration maintenance and governance. Key feature delivered: cleanup of dependency management configuration by removing Depen dabot configuration, aligning with manual update processes and reducing automated PR churn. No major bugs fixed this month. Overall impact includes improved maintainability, clearer ownership of updates, and a streamlined CI/CD configuration.
July 2023
February 2023
13 Commits • 1 Features
Feb 1, 2023February 2023 monthly summary for acidanthera/audk. Focused on cross-toolchain stability, 64-bit arithmetic support, and CLANG-specific test/build reliability, delivering measurable business value through more robust builds, faster iteration, and improved developer experience.
February 2023
13 Commits • 1 Features
Feb 1, 2023February 2023 monthly summary for acidanthera/audk. Focused on cross-toolchain stability, 64-bit arithmetic support, and CLANG-specific test/build reliability, delivering measurable business value through more robust builds, faster iteration, and improved developer experience.
December 2022
14 Commits • 3 Features
Dec 1, 2022December 2022 monthly summary for acidanthera/audk: Delivered stability improvements and repository hygiene, with a focus on memory safety, correct decompression behavior, and automated CI. Key outcomes include a memory safety fix expanding the GDT alignment buffer to prevent potential memory corruption, a BrotliDecompress fix ensuring correct TotalOut by passing DestSize as a pointer, and CI/CD enhancements with Azure DevOps pipelines and compile_flags.txt ignore to standardize builds. Additional code quality improvements removed unused variables across multiple modules to reduce LLVM 15 warnings and improve maintainability. These changes reduce risk in production, accelerate contribution workflows, and improve build reliability.
14 Commits • 3 Features
Dec 1, 2022December 2022 monthly summary for acidanthera/audk: Delivered stability improvements and repository hygiene, with a focus on memory safety, correct decompression behavior, and automated CI. Key outcomes include a memory safety fix expanding the GDT alignment buffer to prevent potential memory corruption, a BrotliDecompress fix ensuring correct TotalOut by passing DestSize as a pointer, and CI/CD enhancements with Azure DevOps pipelines and compile_flags.txt ignore to standardize builds. Additional code quality improvements removed unused variables across multiple modules to reduce LLVM 15 warnings and improve maintainability. These changes reduce risk in production, accelerate contribution workflows, and improve build reliability.
December 2022
October 2022
2 Commits
Oct 1, 2022Concise monthly summary for 2022-10 focusing on business value and technical achievements for the acidanthera/audk project. Overview: October 2022 prioritized stability and correctness in Unicode handling, enabling downstream components to rely on consistent UTF-8 to UCS-2 conversions and reducing crash risk in the Unicode path.
October 2022
2 Commits
Oct 1, 2022Concise monthly summary for 2022-10 focusing on business value and technical achievements for the acidanthera/audk project. Overview: October 2022 prioritized stability and correctness in Unicode handling, enabling downstream components to rely on consistent UTF-8 to UCS-2 conversions and reducing crash risk in the Unicode path.
August 2022
2 Commits
Aug 1, 2022August 2022: Hardened PCD size retrieval in the acidanthera/audk repository by removing asserts in the no-token path. Implemented no-assert behavior so LibPcdGetSize and LibPcdGetExSize return zero when a Token does not exist, significantly improving robustness and error handling. This was achieved through refactoring in MdePkg/BasePcdLibNull, with two commits that remove ASSERTs and enforce safe default behavior. These changes reduce crash risk during PCD lookups, improve system stability in missing-token scenarios, and contribute to maintainability of the PCD handling code. Technologies demonstrated: C, UEFI firmware development, MdePkg, code refactoring for safety, and disciplined commit-signoff practices.
2 Commits
Aug 1, 2022August 2022: Hardened PCD size retrieval in the acidanthera/audk repository by removing asserts in the no-token path. Implemented no-assert behavior so LibPcdGetSize and LibPcdGetExSize return zero when a Token does not exist, significantly improving robustness and error handling. This was achieved through refactoring in MdePkg/BasePcdLibNull, with two commits that remove ASSERTs and enforce safe default behavior. These changes reduce crash risk during PCD lookups, improve system stability in missing-token scenarios, and contribute to maintainability of the PCD handling code. Technologies demonstrated: C, UEFI firmware development, MdePkg, code refactoring for safety, and disciplined commit-signoff practices.
August 2022
February 2022
2 Commits
Feb 1, 2022February 2022: Fixed SMM stability risk in audk by correcting the SmmSwDispatcher EFIAPI calling convention, ensuring reliable SMI handler invocation and registration. Implemented via two commits adding missing EFIAPI modifiers and updated documentation. Result: improved SMM reliability and reduced risk of misinvocation in UEFI firmware paths.
February 2022
2 Commits
Feb 1, 2022February 2022: Fixed SMM stability risk in audk by correcting the SmmSwDispatcher EFIAPI calling convention, ensuring reliable SMI handler invocation and registration. Implemented via two commits adding missing EFIAPI modifiers and updated documentation. Result: improved SMM reliability and reduced risk of misinvocation in UEFI firmware paths.
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Quality Metrics
Correctness96.8%
Maintainability93.0%
Architecture93.0%
Performance93.0%
AI Usage20.6%
Skills & Technologies
Programming Languages
AssemblyBashCC++NonePythonYAML
Technical Skills
Azure DevOpsC programmingC++ programmingC/C++ developmentCI/CDContinuous IntegrationDevOpsDockerEmbedded systemsGitGitHub ActionsLow-level programmingNetwork programmingPython scriptingUEFI
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