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|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:10:36
|
LL | let _ptr: *const u8 = unsafe { std::mem::transmute::<usize, *const u8>(a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
= note: `#[warn(integer_to_ptr_transmutes)]` on by default
help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
|
LL - let _ptr: *const u8 = unsafe { std::mem::transmute::<usize, *const u8>(a) };
LL + let _ptr: *const u8 = unsafe { std::ptr::with_exposed_provenance::<u8>(a) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:12:34
|
LL | let _ptr: *mut u8 = unsafe { std::mem::transmute::<usize, *mut u8>(a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
|
LL - let _ptr: *mut u8 = unsafe { std::mem::transmute::<usize, *mut u8>(a) };
LL + let _ptr: *mut u8 = unsafe { std::ptr::with_exposed_provenance_mut::<u8>(a) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:14:38
|
LL | let _ref: &'static u8 = unsafe { std::mem::transmute::<usize, &'static u8>(a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
|
LL - let _ref: &'static u8 = unsafe { std::mem::transmute::<usize, &'static u8>(a) };
LL + let _ref: &'static u8 = unsafe { &*std::ptr::with_exposed_provenance::<u8>(a) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:16:42
|
LL | let _ref: &'static mut u8 = unsafe { std::mem::transmute::<usize, &'static mut u8>(a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
|
LL - let _ref: &'static mut u8 = unsafe { std::mem::transmute::<usize, &'static mut u8>(a) };
LL + let _ref: &'static mut u8 = unsafe { &mut *std::ptr::with_exposed_provenance_mut::<u8>(a) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:19:25
|
LL | let _ptr = unsafe { std::mem::transmute::<usize, *const u8>(42usize) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
|
LL - let _ptr = unsafe { std::mem::transmute::<usize, *const u8>(42usize) };
LL + let _ptr = unsafe { std::ptr::with_exposed_provenance::<u8>(42usize) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:21:25
|
LL | let _ptr = unsafe { std::mem::transmute::<usize, *const u8>(a + a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
|
LL - let _ptr = unsafe { std::mem::transmute::<usize, *const u8>(a + a) };
LL + let _ptr = unsafe { std::ptr::with_exposed_provenance::<u8>(a + a) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:26:36
|
LL | let _ptr: *const u8 = unsafe { std::mem::transmute::<usize, *const u8>(a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
|
LL - let _ptr: *const u8 = unsafe { std::mem::transmute::<usize, *const u8>(a) };
LL + let _ptr: *const u8 = unsafe { std::ptr::with_exposed_provenance::<u8>(a) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:28:34
|
LL | let _ptr: *mut u8 = unsafe { std::mem::transmute::<usize, *mut u8>(a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
|
LL - let _ptr: *mut u8 = unsafe { std::mem::transmute::<usize, *mut u8>(a) };
LL + let _ptr: *mut u8 = unsafe { std::ptr::with_exposed_provenance_mut::<u8>(a) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:30:38
|
LL | let _ref: &'static u8 = unsafe { std::mem::transmute::<usize, &'static u8>(a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
|
LL - let _ref: &'static u8 = unsafe { std::mem::transmute::<usize, &'static u8>(a) };
LL + let _ref: &'static u8 = unsafe { &*std::ptr::with_exposed_provenance::<u8>(a) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:32:42
|
LL | let _ref: &'static mut u8 = unsafe { std::mem::transmute::<usize, &'static mut u8>(a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
|
LL - let _ref: &'static mut u8 = unsafe { std::mem::transmute::<usize, &'static mut u8>(a) };
LL + let _ref: &'static mut u8 = unsafe { &mut *std::ptr::with_exposed_provenance_mut::<u8>(a) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:35:25
|
LL | let _ptr = unsafe { std::mem::transmute::<usize, *const u8>(42usize) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
|
LL - let _ptr = unsafe { std::mem::transmute::<usize, *const u8>(42usize) };
LL + let _ptr = unsafe { std::ptr::with_exposed_provenance::<u8>(42usize) };
|
warning: transmuting an integer to a pointer creates a pointer without provenance
--> $DIR/int_to_ptr.rs:37:25
|
LL | let _ptr = unsafe { std::mem::transmute::<usize, *const u8>(a + a) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this is dangerous because dereferencing the resulting pointer is undefined behavior
= note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
= help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
= help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
= help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
|
LL - let _ptr = unsafe { std::mem::transmute::<usize, *const u8>(a + a) };
LL + let _ptr = unsafe { std::ptr::with_exposed_provenance::<u8>(a + a) };
|
warning: 12 warnings emitted
|
