denoland/chromium_build
Oct 2024 – Dec 2024
2 Months active
Languages Used
GN
Technical Skills
Build System ConfigurationCompiler FlagsSecurity HardeningStatic Analysis
David Benjamin
PROFILE
David Benjamin
Worked on stabilizing and securing the denoland/chromium_build repository by addressing build failures and enhancing runtime safety for CrOS platforms. Focused on build system configuration using GN, the developer reverted problematic UBSAN vptr inference logic to prevent erroneous build behavior and improve CI reliability. They enabled pointer-overflow detection with UBSan, applying necessary suppressions and fixes for undefined behavior in object-size tests, and introduced the -fwrapv compiler flag to ensure predictable signed overflow semantics. Through targeted static analysis and careful adjustment of compiler flags, the work improved build sustainability, reduced miscompilations, and strengthened the project’s security posture with minimal disruption.
Overall Statistics
Feature vs Bugs
33%Features
Repository Contributions
4Total
Bugs
2
Commits
4
Features
1
Lines of code
16
Activity Months2
Your Network
481 peopleSame Organization
@chromium.org325
Aaron KrajeskiMember
Abhijith NairMember
Abhishek Pandit-SubediMember
Abigail KatcoffMember
Adrian TaylorMember
Adam LangleyMember
Palak AgarwalMember
Andrew GrieveMember
Andreas HaasMember
Shared Repositories
156
Adrian TaylorMember
Arthur EubanksMember
Andrew GrieveMember
Ahmed YamoutMember
Amy HuangMember
Aaron KnoblochMember
Alexander CooperMember
Alex IlinMember
Andrea OrruMember
Work History
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024: Implemented runtime overflow safety improvements for denoland/chromium_build. Key work included enabling UBSan pointer-overflow detection with necessary suppressions and fixes for an object-size test UB, and stabilizing signed overflow semantics using -fwrapv with conditional application to preserve UBSan behavior when enabled. These changes enhance runtime safety, improve CI reliability, and strengthen the project’s security posture with minimal build impact.
3 Commits • 1 Features
Dec 1, 2024December 2024: Implemented runtime overflow safety improvements for denoland/chromium_build. Key work included enabling UBSan pointer-overflow detection with necessary suppressions and fixes for an object-size test UB, and stabilizing signed overflow semantics using -fwrapv with conditional application to preserve UBSan behavior when enabled. These changes enhance runtime safety, improve CI reliability, and strengthen the project’s security posture with minimal build impact.
December 2024
October 2024
1 Commits
Oct 1, 2024In 2024-10, the denoland/chromium_build team focused on stabilizing CrOS builds by addressing UBSAN-related build failures and ensuring sustainability of the build configuration. A critical bug fix was applied to revert the CrOS UBSAN vptr inference, preventing erroneous is_ubsan_vptr behavior from causing build failures. This work emphasizes reliability of the Chromium build for CrOS platforms and reinforces a maintainable UBSAN configuration across the repository.
October 2024
1 Commits
Oct 1, 2024In 2024-10, the denoland/chromium_build team focused on stabilizing CrOS builds by addressing UBSAN-related build failures and ensuring sustainability of the build configuration. A critical bug fix was applied to revert the CrOS UBSAN vptr inference, preventing erroneous is_ubsan_vptr behavior from causing build failures. This work emphasizes reliability of the Chromium build for CrOS platforms and reinforces a maintainable UBSAN configuration across the repository.
Activity
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Quality Metrics
Correctness82.6%
Maintainability80.0%
Architecture80.0%
Performance62.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
GN
Technical Skills
Build System ConfigurationCompiler FlagsSecurity HardeningStatic Analysis
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