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Peter Oberparleiter

PROFILE

Peter Oberparleiter

Contributed to the geerlingguy/linux repository by enhancing stability and security for s390 workloads through targeted kernel development. Addressed a memory-safety issue in the SCLP driver by introducing an inline helper in C to ensure proper NULL handling before address translation, preventing unsafe memory access during interrupt handler tracing. Improved hypfs lockdown accessibility by refining IOCTL registration logic, allowing limited read access while minimizing unnecessary interface exposure during kernel lockdown. Demonstrated expertise in device drivers, Linux kernel modules, and embedded systems, focusing on balancing security hardening with operational usability. Delivered both a critical bug fix and a feature within a one-month period.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

3Total
Bugs
1
Commits
3
Features
1
Lines of code
32
Activity Months1

Your Network

1284 people

Same Organization

@linux.ibm.com
83
Aboorva DevarajanMember
Aditya BodkheMember
Aditya GuptaMember
Abhishek DubeyMember
Alexander GordeevMember
Andrew DonnellanMember
Aleksei NikiforovMember
Farhan AliMember
Amit MachhiwalMember

Shared Repositories

1201

Work History

August 2025

3 Commits • 1 Features

Aug 1, 2025

Monthly summary for 2025-08: Focused contributions in geerlingguy/linux addressing stability, security hardening, and tool usability for s390 workloads. Delivered a critical memory-safety fix in the SCLP driver and implemented lockdown-aware hypfs access controls, balancing safety with operator tooling needs.

Activity

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Quality Metrics

Correctness93.4%
Maintainability93.4%
Architecture93.4%
Performance86.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

C

Technical Skills

Device DriversEmbedded SystemsKernel DevelopmentLinux Kernel ModulesSystem Programming

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

geerlingguy/linux

Aug 2025 Aug 2025
1 Month active

Languages Used

C

Technical Skills

Device DriversEmbedded SystemsKernel DevelopmentLinux Kernel ModulesSystem Programming