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ELF x64 wrong decompilation, vpxorq instruction not detected #6458

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k4lizen opened this issue Apr 23, 2024 · 0 comments
Open

ELF x64 wrong decompilation, vpxorq instruction not detected #6458

k4lizen opened this issue Apr 23, 2024 · 0 comments
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@GhidorahRex
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Feature: Processor/x86 Status: Internal This is being tracked internally by the Ghidra team

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@k4lizen
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k4lizen commented Apr 23, 2024

Decompile the binary attached with ghidra.
thewilderness.zip
See ghidra output for function run_code:
image
See dogbolt comparison:
image
See gdb disassembly:
image

Conclusion:
ghidra is cutting of because of the vpxorq instruction.

Environment (please complete the following information):

  • OS: Linux kali 6.6.9-amd64
  • Java Version: 17.0
  • Ghidra Version: 11.0
  • Ghidra Origin: apt
@GhidorahRex GhidorahRex self-assigned this Apr 24, 2024
@GhidorahRex GhidorahRex added Feature: Processor/x86 Status: Internal This is being tracked internally by the Ghidra team labels Apr 24, 2024
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@GhidorahRex GhidorahRex

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Feature: Processor/x86 Status: Internal This is being tracked internally by the Ghidra team
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@GhidorahRex @k4lizen