[issue26694] Disasembler fall with Key Error while disassemble obfuscated code.

Serhiy Storchaka added the comment: The dis module is not supposed to support invalid bytecode. This is a new feature, and 2.7 can give only bug fixes. -- nosy: +serhiy.storchaka resolution: -> not a bug stage: -> resolved status: open -> closed

[issue26694] Disasembler fall with Key Error while disassemble obfuscated code.

Changes by Steven D'Aprano : -- nosy: +steven.daprano ___ Python tracker ___ ___

[issue26694] Disasembler fall with Key Error while disassemble obfuscated code.

Changes by SilentGhost : -- nosy: +ncoghlan, yselivanov ___ Python tracker ___ ___

[issue26694] Disasembler fall with Key Error while disassemble obfuscated code.

New submission from Szymon Kuliński: Many obfuscators use simple technice for block disasemblation. Add broken instructions (for example unknown op codes) and use flow control (SETUP_EXCEPT or JUMP_FORWARD) to skip broken instructions. Interpreter work in right way skipping broken instruction