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Fix check for symbolic syscall argument #1452

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merged 1 commit into from
Jun 4, 2019
Merged

Fix check for symbolic syscall argument #1452

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6 changes: 5 additions & 1 deletion manticore/native/cpu/abstractcpu.py
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Original file line number Diff line number Diff line change
Expand Up @@ -439,7 +439,11 @@ def invoke(self, model, prefix_args=None):

args = []
for arg in self._last_arguments:
arg_s = unsigned_hexlify(arg) if abs(arg) > min_hex_expansion else f"{arg}"
arg_s = (
unsigned_hexlify(arg)
if not issymbolic(arg) and abs(arg) > min_hex_expansion
else f"{arg}"
)
if self._cpu.memory.access_ok(arg, "r") and model.__func__.__name__ not in {
"sys_mprotect",
"sys_mmap",
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