radareorg/radare2
Aug 2025 – Feb 2026
4 Months active
Languages Used
CMakeMarkdown
Technical Skills
Binary AnalysisDisassembler DevelopmentELF ParsingEmbedded SystemsLow-Level ProgrammingReverse Engineering
Ignacio Sanmillan
PROFILE
Ignacio Sanmillan
Ulexec developed advanced Solana BPF (sBPF) analysis capabilities for the radareorg/radare2 repository, focusing on ELF parsing, relocations, and a dedicated disassembly plugin. Their work included multi-version sBPF support, robust syscall identification, and integration with core ESIL plugin flows, all implemented primarily in C with supporting Make and Markdown for build and documentation. Ulexec refactored architecture and analysis plugins for maintainability, improved decoding accuracy, and expanded test coverage to ensure reliability. They also addressed critical bugs, such as IO cache truncation and documentation inconsistencies, demonstrating depth in binary analysis, plugin development, and system programming throughout the four-month period.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
9Total
Bugs
2
Commits
9
Features
4
Lines of code
3,754
Activity Months4
Your Network
77 peopleShared Repositories
77
Work History
February 2026
1 Commits
Feb 1, 2026February 2026 (radare2 repo) focused on targeted documentation cleanup to improve user guidance and reduce confusion in Radius2 usage. Key bug fixed: Radius2 link in the README was repaired and the esilsolve reference was removed to streamline the docs and reflect the current codebase. No new features were released this month; the main delivery was documentation quality improvements tied to the Radius2 area, supporting smoother onboarding and reduced support inquiries.
1 Commits
Feb 1, 2026February 2026 (radare2 repo) focused on targeted documentation cleanup to improve user guidance and reduce confusion in Radius2 usage. Key bug fixed: Radius2 link in the README was repaired and the esilsolve reference was removed to streamline the docs and reflect the current codebase. No new features were released this month; the main delivery was documentation quality improvements tied to the Radius2 area, supporting smoother onboarding and reduced support inquiries.
February 2026
November 2025
3 Commits • 2 Features
Nov 1, 2025November 2025: Focused on expanding S.BPF support and improving reliability in radare2's analysis pipeline. Key outcomes include ELF-level S.BPF support with rebaseable relocations and test coverage; multi-version S.BPF analysis (v1/v2/v3) with corrected decoding and robust version detection; refactoring of S.BPF architecture and analysis plugins for maintainability; and targeted bug fixes around callx decoding and Rust string handling. The work broadens platform compatibility, enhances analysis accuracy, and accelerates adoption of S.BPF tooling, with stronger test coverage and measurable business value through reduced validation effort and improved correctness. Key achievements: - Exposed S.BPF version via asm.cpu and added tests for ELF rebaseable relocations (commit f9d487...) - Added multi-version S.BPF support in the analyzer (v1/v2/v3) with improved decoding, version identification, and related tests (commit 1140238..., and follow-ups) - Refactored S.BPF architecture and analysis plugins for readability and maintainability (commit d7af6a65...) - Fixed decoding edge cases and string handling in S.BPF plugins (e.g., callx opcode for sbpfv0/v1; Rust string fixes for sbpfv2+) - Enhanced internal grep support in the S.BPF analysis plugin and expanded test coverage
November 2025
3 Commits • 2 Features
Nov 1, 2025November 2025: Focused on expanding S.BPF support and improving reliability in radare2's analysis pipeline. Key outcomes include ELF-level S.BPF support with rebaseable relocations and test coverage; multi-version S.BPF analysis (v1/v2/v3) with corrected decoding and robust version detection; refactoring of S.BPF architecture and analysis plugins for maintainability; and targeted bug fixes around callx decoding and Rust string handling. The work broadens platform compatibility, enhances analysis accuracy, and accelerates adoption of S.BPF tooling, with stronger test coverage and measurable business value through reduced validation effort and improved correctness. Key achievements: - Exposed S.BPF version via asm.cpu and added tests for ELF rebaseable relocations (commit f9d487...) - Added multi-version S.BPF support in the analyzer (v1/v2/v3) with improved decoding, version identification, and related tests (commit 1140238..., and follow-ups) - Refactored S.BPF architecture and analysis plugins for readability and maintainability (commit d7af6a65...) - Fixed decoding edge cases and string handling in S.BPF plugins (e.g., callx opcode for sbpfv0/v1; Rust string fixes for sbpfv2+) - Enhanced internal grep support in the S.BPF analysis plugin and expanded test coverage
September 2025
4 Commits • 1 Features
Sep 1, 2025September 2025 performance highlights for radare2 (radareorg/radare2): Focused delivery on Solana BPF support and sBPF analysis tooling, plus a critical IO cache truncation fix. This combination strengthened Solana program analysis, reduced data-loss risk in caching, and reinforced a plugin-driven analysis framework to support faster debugging and higher reliability for developers targeting Solana on BPF.
4 Commits • 1 Features
Sep 1, 2025September 2025 performance highlights for radare2 (radareorg/radare2): Focused delivery on Solana BPF support and sBPF analysis tooling, plus a critical IO cache truncation fix. This combination strengthened Solana program analysis, reduced data-loss risk in caching, and reinforced a plugin-driven analysis framework to support faster debugging and higher reliability for developers targeting Solana on BPF.
September 2025
August 2025
1 Commits • 1 Features
Aug 1, 2025August 2025 monthly summary for radare2: Delivered Solana BPF (sBPF) support with ELF parsing, relocations, and a dedicated disassembly plugin. Created an sBPF arch/plugin to enable targeted analysis of sBPF binaries, including syscall identification and accurate ELF binary interpretation. No major bugs fixed this month; focus was on feature expansion and robustness of sBPF analysis. Business value: enables developers to analyze Solana programs directly in radare2, improving debugging, auditing, and vulnerability research.
August 2025
1 Commits • 1 Features
Aug 1, 2025August 2025 monthly summary for radare2: Delivered Solana BPF (sBPF) support with ELF parsing, relocations, and a dedicated disassembly plugin. Created an sBPF arch/plugin to enable targeted analysis of sBPF binaries, including syscall identification and accurate ELF binary interpretation. No major bugs fixed this month; focus was on feature expansion and robustness of sBPF analysis. Business value: enables developers to analyze Solana programs directly in radare2, improving debugging, auditing, and vulnerability research.
Activity
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Quality Metrics
Correctness87.8%
Maintainability84.4%
Architecture86.6%
Performance80.0%
AI Usage22.2%
Skills & Technologies
Programming Languages
CMakeMarkdown
Technical Skills
Binary AnalysisC programmingData structuresDisassembler DevelopmentELF ParsingESILEmbedded SystemsLow-Level ProgrammingLow-level programmingMemory managementPlugin DevelopmentReverse EngineeringRust (for context)SolanaSolana BPF
Repositories Contributed To
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