Vector35 / Vector35/binaryninja-api

Split variable unavailable in Pseudo-C view

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#4,488 6 comments 1 reaction 0 assignees View on GitHub

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Component: UI Effort: Low Impact: Medium
Dominant language
C++
Stars
1.3k
Forks
298
Avg merge
5d 5h
Merged PRs (30d)
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Description

Version and Platform (required):

  • Binary Ninja Version: 3.5.4388-dev Personal (a010e068)
  • OS: Windows
  • OS Version: 10.0.25375.1
  • CPU Architecture: x64

Bug Description:
In these cases, context is reassigned to a completely different type, confusing subsequent analysis and xrefs:

image
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Issues like these can be found in hundreds of places where S1Context::Singleton is referenced, but it has ~23k references, so you may have better things to do than dig through all of those. 🙂

Steps To Reproduce:

  1. Grab this BNDB.
  2. Navigate to the addresses seen in the screenshots.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked BNDB and navigate to the addresses shown in the screenshots in the Pseudo-C view. Trace the relevant S1Context::Singleton references to understand where context changes type; done means split variables remain available and subsequent analysis and xrefs are no longer confused.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
reverse-engineering
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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