Vector35 / Vector35/binaryninja-api
Optimized modulus fails to simplify
Open
Nobody has claimed this yet.
Component: Core
Core: HLIL
Effort: Low
IL Optimization
Impact: Medium
- Dominant language
- C++
- Stars
- 1.3k
- Forks
- 298
- Avg merge
- 5d 5h
- Merged PRs (30d)
- 19
Description
Version and Platform (required):
- Binary Ninja 5.3.9017-dev
- Edition: Non-Commercial
- OS: macOS
- OS Version: Sequoia 15
- CPU Architecture: M3
Bug Description:
Binja's result:
IDA's result:
Expected Behavior:
Like IDA's decompilation (the mod operation).
Binary:
vortex hexagon weaves gently
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the reported Binary Ninja decompilation from the attached issue details and compare it with the shown IDA result. Investigate the optimized modulus simplification behavior; the work is done when the decompiler preserves the mod operation as expected.
Written by the indexing model from the issue text.
Assessment
- Domain
- reverse-engineering
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100