Libvips Function Pointer Fiasco: When Code Crashes Like a Bad Joke
In libvips v8.18.0, function pointers are like that one friend who never gets your order right at the drive-thru; they cause undefined behavior. While x86-64 is forgiving, stricter environments like AArch64/ARM64 aren’t amused, leading to potential crashes or even remote code execution. Handle with care, or your program might go boom!
Hot Take:
In the wild west of coding, libvips just got caught with its function pointers down! This library might be flipping bits and bytes like a pro on x86-64, but throw a little AArch64 into the mix, and it’s a recipe for digital disaster. Who knew that a simple callback could lead to the ultimate showdown between program stability and chaos? Hold onto your hats, folks; this one’s a rollercoaster!
Key Points:
- Libvips version 8.18.0 experiences function pointer type confusion.
- Undefined Behavior (UB) arises due to incorrect function pointer casts.
- Issues occur especially on strict ABIs like AArch64/ARM64.
- Potential for remote code execution if attackers control callback input.
- The problem is benign on x86-64 due to tolerant calling conventions.
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