Override call type dialog should show current call type at first time open

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#4,833 opened on Dec 14, 2023 3 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 42/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Stale
Tech stack: cpp
Domain: reverse-engineering

Research direction

Reproduce the issue by opening the call-type override dialog for a call whose inferred signature is visible in linear view. Trace the dialog's initial value and compare it with the call type Binary Ninja has already detected. Done means the first-open value reflects the detected signature instead of the generic void calltarget() placeholder.

Written by the indexing model from the issue text.

Description

Component: Core Effort: Low Impact: Low UI: Dialogs

Version and Platform (required):

Binary Ninja Version: 3.6.4719-dev, dec72a07
OS: macos
OS Version: 14.2
CPU Architecture: arm64

Bug Description:

Let's say there is a function call in linear view like this:

job->callback(job, config, job->field_10)

When I try to override call type for this call, dialog show me this as default call type: void calltarget(). But obviously there is different call type detected by BN. Instead of void calltarget(), BN should show me current call type which is something like this: void (* callback)(struct my_job*, struct config*, int64_t).

If BN do so and it predicts it correctly, I can easily copy that and set structure member type to that.

Dominant language: C++
Stars: 1.3k
Forks: 298
Avg merge: 5d 5h
Merged PRs (30d): 19

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