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Fix miri UB

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This commit is contained in:
Noa
2021-11-03 14:02:01 -05:00
parent 65cde9a0d6
commit 86edc72c7e
1 changed files with 4 additions and 4 deletions
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8
vm/src/pyobjectrc.rs
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@@ -57,11 +57,11 @@ type OnceBox<T> = once_cell::unsync::OnceCell<Box<T>>;
struct Erased;
struct PyObjVTable {
drop_dealloc: unsafe fn(&mut PyObject),
drop_dealloc: unsafe fn(*mut PyObject),
debug: unsafe fn(&PyObject, &mut fmt::Formatter) -> fmt::Result,
}
unsafe fn drop_dealloc_obj<T: PyObjectPayload>(x: &mut PyObject) {
Box::from_raw(x as *mut PyObject as *mut PyInner<T>);
unsafe fn drop_dealloc_obj<T: PyObjectPayload>(x: *mut PyObject) {
Box::from_raw(x as *mut PyInner<T>);
}
unsafe fn debug_obj<T: PyObjectPayload>(x: &PyObject, f: &mut fmt::Formatter) -> fmt::Result {
let x = &*(x as *const PyObject as *const PyInner<T>);
@@ -683,7 +683,7 @@ impl PyObjectRef {
}
let drop_dealloc = self.0.vtable.drop_dealloc;
unsafe { drop_dealloc(self.ptr.as_mut()) }
unsafe { drop_dealloc(self.ptr.as_ptr()) }
}
}