Gregory Duck
Research Assistant Professor at National University of Singapore
Singapore, Singapore
Summary
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Rockstar🎓
Top SchoolGregory Duck is a Research Assistant Professor at the National University of Singapore with 12 years of experience bridging applied research and systems software development. He holds a PhD in Computer Science and dual undergraduate degrees in Mathematics and Computer Software Engineering from the University of Melbourne, underpinning a rigorous, analytical approach to complex problems. His career encompasses academic research roles and industry engineering, including deep work on binary-rewriting tooling—fixing subtle memory-management bugs and adding address-matching features to a powerful static binary rewriter on GitHub. Gregory combines low-level C++ systems expertise with research-led innovation, often surfacing practical fixes that improve robustness and loader behavior in real-world Linux environments. He is based in Singapore and known for translating theoretical insight into reliable, production-ready code.
12 years of coding experience
4 years of employment as a software developer
The University of Melbourne
Github Skills (7)
memory-management10
c-language10
cprogramming-language10
elf9
assembly8
assembler8
assemble8
Programming languages (7)
Github contributions (5)
GJDuck/e9patch
Apr 2020 - Jan 2023
A powerful static binary rewriting tool
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 releases, 388 commits, 27 PRs in 2 years 9 months
Contributions summary:Gregory focused on bug fixes and improvements to the static binary rewriting tool. Their contributions included preventing large mappings from overwriting segments, resolving potential uninitialized memory reads, adding support for absolute address reservations, fixing an issue that prevented certain instructions from being re-written, implementing a new function/address matching feature, and making the loader search all of /proc/self/map_files. Their work primarily involved modifying the C++ source code to address memory management issues and extend the functionality of the rewriting tool.
binary-analysisbinary-rewritingbinary-patchingrewritingelf
GJDuck/e9afl
Sep 2020 - Oct 2022
Contributions:7 releases, 44 commits, 41 pushes in 2 years 1 month
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