Vector35 / Vector35/binaryninja-api
"Display As->Pointer" on a DataVariable should modify the type of the DataVariable
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Description
Version and Platform (required):
- Binary Ninja Version: 4272-dev
- OS: Windows
- OS Version:: 22h2
- CPU Architecture: x64
Bug Description:
Function pointer xrefs disappear at times. For example, I have a global containing a function pointer
0090d870 int64_t data_90d870 = clock_gettime_and_convert
However, when I go to that function pointer and look at the xrefs:
Steps To Reproduce:
Please provide all steps required to reproduce the behavior:
- RE for a while
- Notice this
Expected Behavior:
I expect xrefs to show up for functions. Feel free to contact me for a bndb.
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 issue with the global function-pointer example containing clock_gettime_and_convert, then inspect how “Display As->Pointer” changes the DataVariable type and how xrefs are calculated. Compare the function’s xrefs before and after the display change; done means function-pointer xrefs remain visible for the affected data variable.
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
- Mostly clear
- Newbie friendliness
- 35/100