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Fix ValueError when parsing empty hex offset in disassembly #1919

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Fix ValueError when parsing empty hex offset in disassembly #1919

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6 changes: 5 additions & 1 deletion mythril/disassembler/disassembly.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
#mythril/disassembler/disassembly.py
"""This module contains the class used to represent disassembly code."""

from typing import Dict, List, Tuple
Expand Down Expand Up @@ -106,7 +107,10 @@ def get_function_info(
offset = instruction_list[index + 2]["argument"]
if isinstance(offset, tuple):
offset = bytes(offset).hex()
entry_point = int(offset, 16)
if offset and len(offset) > 2:
entry_point = int(offset, 16)
else:
entry_point = 0
except (KeyError, IndexError):
return function_hash, None, None

Expand Down