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* Enable ruff isort rule * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
56 lines
1.8 KiB
Python
Executable file
56 lines
1.8 KiB
Python
Executable file
#!/usr/bin/env python3
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from __future__ import annotations
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__package__ = __package__ or "tests.sim.options" # pylint:disable=redefined-builtin
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import os
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import sys
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import unittest
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import claripy
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import angr
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from tests.common import bin_location
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test_location = os.path.join(bin_location, "tests")
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# pylint: disable=missing-class-docstring
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# pylint: disable=no-self-use
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@unittest.skipIf(sys.platform == "win32", "broken on windows")
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class Test0Div(unittest.TestCase):
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def _run_0div(self, arch):
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# check that we run in unicorn up to the zero-div site, fall back, try again in angr, and error correctly.
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p = angr.Project(os.path.join(test_location, arch, "test_0div"), auto_load_libs=False)
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s = p.factory.entry_state(add_options=angr.options.unicorn)
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simgr = p.factory.simulation_manager(s)
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simgr.run(n=5)
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assert len(simgr.active) == 1
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simgr.step()
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assert len(simgr.errored) == 1
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assert isinstance(simgr.errored[0].error, angr.errors.SimZeroDivisionException)
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def test_0div_i386(self):
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self._run_0div("i386")
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def test_0div_x86_64(self):
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self._run_0div("x86_64")
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def test_symbolic_0div(self):
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p = angr.load_shellcode(b"X", arch="amd64")
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s = p.factory.blank_state()
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s.regs.rax = claripy.BVS("rax", 64)
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s.regs.rcx = claripy.BVS("rcx", 64)
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s.regs.rdx = claripy.BVS("rdx", 64)
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s.options.add(angr.options.PRODUCE_ZERODIV_SUCCESSORS)
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successors = s.step(insn_bytes=b"\x48\xf7\xf1") # div rcx
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assert len(successors.flat_successors) == 2
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s.options.discard(angr.options.PRODUCE_ZERODIV_SUCCESSORS)
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successors = s.step(insn_bytes=b"\x48\xf7\xf1") # div rcx
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assert len(successors.flat_successors) == 1
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if __name__ == "__main__":
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unittest.main()
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