diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index c18ac84171d6..ac380c7ac180 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -513,7 +513,7 @@ fn ptr_from_addr_transmute( _ecx: &InterpCx<$mir, $tcx, Self>, addr: u64, ) -> Pointer> { - Pointer::new(None, Size::from_bytes(addr)) + Pointer::from_addr(addr) } #[inline(always)] @@ -523,7 +523,7 @@ fn ptr_from_addr_cast( ) -> InterpResult<$tcx, Pointer>> { // Allow these casts, but make the pointer not dereferenceable. // (I.e., they behave like transmutation.) - Ok(Pointer::new(None, Size::from_bytes(addr))) + Ok(Pointer::from_addr(addr)) } #[inline(always)] diff --git a/compiler/rustc_const_eval/src/interpret/place.rs b/compiler/rustc_const_eval/src/interpret/place.rs index 98a3a50afaab..926afe757ed6 100644 --- a/compiler/rustc_const_eval/src/interpret/place.rs +++ b/compiler/rustc_const_eval/src/interpret/place.rs @@ -188,7 +188,7 @@ impl<'tcx, Tag: Provenance> MPlaceTy<'tcx, Tag> { #[inline] pub fn dangling(layout: TyAndLayout<'tcx>) -> Self { let align = layout.align.abi; - let ptr = Pointer::new(None, Size::from_bytes(align.bytes())); // no provenance, absolute address + let ptr = Pointer::from_addr(align.bytes()); // no provenance, absolute address // `Poison` this to make sure that the pointer value `ptr` is never observable by the program. MPlaceTy { mplace: MemPlace { ptr, meta: MemPlaceMeta::Poison }, layout, align } } diff --git a/compiler/rustc_middle/src/mir/interpret/error.rs b/compiler/rustc_middle/src/mir/interpret/error.rs index f30769248c07..f70727b12bae 100644 --- a/compiler/rustc_middle/src/mir/interpret/error.rs +++ b/compiler/rustc_middle/src/mir/interpret/error.rs @@ -186,7 +186,7 @@ pub enum CheckInAllocMsg { impl fmt::Display for CheckInAllocMsg { /// When this is printed as an error the context looks like this: - /// "{msg}0x01 is not a valid pointer". + /// "{msg}{pointer} is a dangling pointer". fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!( f, @@ -194,9 +194,9 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match *self { CheckInAllocMsg::DerefTest => "dereferencing pointer failed: ", CheckInAllocMsg::MemoryAccessTest => "memory access failed: ", - CheckInAllocMsg::PointerArithmeticTest => "pointer arithmetic failed: ", + CheckInAllocMsg::PointerArithmeticTest => "out-of-bounds pointer arithmetic: ", CheckInAllocMsg::OffsetFromTest => "out-of-bounds offset_from: ", - CheckInAllocMsg::InboundsTest => "", + CheckInAllocMsg::InboundsTest => "out-of-bounds pointer use: ", } ) } @@ -350,14 +350,12 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { ptr_size = ptr_size.bytes(), ptr_size_p = pluralize!(ptr_size.bytes()), ), - DanglingIntPointer(0, CheckInAllocMsg::InboundsTest) => { - write!(f, "null pointer is not a valid pointer for this operation") - } - DanglingIntPointer(0, msg) => { - write!(f, "{msg}null pointer is not a valid pointer") - } DanglingIntPointer(i, msg) => { - write!(f, "{msg}{i:#x} is not a valid pointer") + write!( + f, + "{msg}{pointer} is a dangling pointer (it has no provenance)", + pointer = Pointer::>::from_addr(*i), + ) } AlignmentCheckFailed { required, has } => write!( f, diff --git a/compiler/rustc_middle/src/mir/interpret/pointer.rs b/compiler/rustc_middle/src/mir/interpret/pointer.rs index 81d744107fd5..d4cdf45d1866 100644 --- a/compiler/rustc_middle/src/mir/interpret/pointer.rs +++ b/compiler/rustc_middle/src/mir/interpret/pointer.rs @@ -181,7 +181,17 @@ impl fmt::Debug for Pointer> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self.provenance { Some(tag) => Provenance::fmt(&Pointer::new(tag, self.offset), f), - None => write!(f, "{:#x}", self.offset.bytes()), + None => write!(f, "{:#x}[noalloc]", self.offset.bytes()), + } + } +} + +impl fmt::Display for Pointer> { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + if self.provenance.is_none() && self.offset.bytes() == 0 { + write!(f, "null pointer") + } else { + fmt::Debug::fmt(self, f) } } } @@ -226,9 +236,14 @@ pub fn addr(self) -> Size } impl Pointer> { + #[inline(always)] + pub fn from_addr(addr: u64) -> Self { + Pointer { provenance: None, offset: Size::from_bytes(addr) } + } + #[inline(always)] pub fn null() -> Self { - Pointer { provenance: None, offset: Size::ZERO } + Pointer::from_addr(0) } } diff --git a/src/test/ui/const-ptr/forbidden_slices.32bit.stderr b/src/test/ui/const-ptr/forbidden_slices.32bit.stderr index ce281797e566..c0092ff3be6d 100644 --- a/src/test/ui/const-ptr/forbidden_slices.32bit.stderr +++ b/src/test/ui/const-ptr/forbidden_slices.32bit.stderr @@ -4,7 +4,7 @@ error[E0080]: could not evaluate static initializer LL | &*ptr::slice_from_raw_parts(data, len) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | dereferencing pointer failed: null pointer is not a valid pointer + | dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) | inside `std::slice::from_raw_parts::` at $SRC_DIR/core/src/slice/raw.rs:LL:COL | ::: $DIR/forbidden_slices.rs:19:34 @@ -18,7 +18,7 @@ error[E0080]: could not evaluate static initializer LL | &*ptr::slice_from_raw_parts(data, len) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | dereferencing pointer failed: null pointer is not a valid pointer + | dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) | inside `std::slice::from_raw_parts::<()>` at $SRC_DIR/core/src/slice/raw.rs:LL:COL | ::: $DIR/forbidden_slices.rs:20:33 @@ -104,7 +104,7 @@ error[E0080]: could not evaluate static initializer LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | out-of-bounds offset_from: null pointer is not a valid pointer + | out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) | inside `ptr::const_ptr::::sub_ptr` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | ::: $SRC_DIR/core/src/slice/raw.rs:LL:COL @@ -144,7 +144,7 @@ error[E0080]: could not evaluate static initializer LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds + | out-of-bounds pointer arithmetic: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL ... LL | unsafe { self.offset(count as isize) } @@ -205,7 +205,7 @@ error[E0080]: could not evaluate static initializer LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds + | out-of-bounds pointer arithmetic: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL ... LL | unsafe { self.offset(count as isize) } diff --git a/src/test/ui/const-ptr/forbidden_slices.64bit.stderr b/src/test/ui/const-ptr/forbidden_slices.64bit.stderr index 6c484f7c95bf..0aa37452f1c5 100644 --- a/src/test/ui/const-ptr/forbidden_slices.64bit.stderr +++ b/src/test/ui/const-ptr/forbidden_slices.64bit.stderr @@ -4,7 +4,7 @@ error[E0080]: could not evaluate static initializer LL | &*ptr::slice_from_raw_parts(data, len) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | dereferencing pointer failed: null pointer is not a valid pointer + | dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) | inside `std::slice::from_raw_parts::` at $SRC_DIR/core/src/slice/raw.rs:LL:COL | ::: $DIR/forbidden_slices.rs:19:34 @@ -18,7 +18,7 @@ error[E0080]: could not evaluate static initializer LL | &*ptr::slice_from_raw_parts(data, len) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | dereferencing pointer failed: null pointer is not a valid pointer + | dereferencing pointer failed: null pointer is a dangling pointer (it has no provenance) | inside `std::slice::from_raw_parts::<()>` at $SRC_DIR/core/src/slice/raw.rs:LL:COL | ::: $DIR/forbidden_slices.rs:20:33 @@ -104,7 +104,7 @@ error[E0080]: could not evaluate static initializer LL | unsafe { intrinsics::ptr_offset_from_unsigned(self, origin) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | out-of-bounds offset_from: null pointer is not a valid pointer + | out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) | inside `ptr::const_ptr::::sub_ptr` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | ::: $SRC_DIR/core/src/slice/raw.rs:LL:COL @@ -144,7 +144,7 @@ error[E0080]: could not evaluate static initializer LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds + | out-of-bounds pointer arithmetic: ALLOC_ID has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL ... LL | unsafe { self.offset(count as isize) } @@ -205,7 +205,7 @@ error[E0080]: could not evaluate static initializer LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds + | out-of-bounds pointer arithmetic: ALLOC_ID has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL ... LL | unsafe { self.offset(count as isize) } diff --git a/src/test/ui/consts/const-deref-ptr.stderr b/src/test/ui/consts/const-deref-ptr.stderr index 7606afdc4ff6..22cb6451e874 100644 --- a/src/test/ui/consts/const-deref-ptr.stderr +++ b/src/test/ui/consts/const-deref-ptr.stderr @@ -2,7 +2,7 @@ error[E0080]: could not evaluate static initializer --> $DIR/const-deref-ptr.rs:4:29 | LL | static C: u64 = unsafe {*(0xdeadbeef as *const u64)}; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: 0xdeadbeef is not a valid pointer + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: 0xdeadbeef[noalloc] is a dangling pointer (it has no provenance) error: aborting due to previous error diff --git a/src/test/ui/consts/const-eval/const_raw_ptr_ops2.rs b/src/test/ui/consts/const-eval/const_raw_ptr_ops2.rs index c3f8b9f31ea8..ec5508a1e90c 100644 --- a/src/test/ui/consts/const-eval/const_raw_ptr_ops2.rs +++ b/src/test/ui/consts/const-eval/const_raw_ptr_ops2.rs @@ -5,6 +5,6 @@ fn main() {} // bad, will thus error in miri const Z2: i32 = unsafe { *(42 as *const i32) }; //~ ERROR evaluation of constant value failed -//~| is not a valid pointer +//~| is a dangling pointer const Z3: i32 = unsafe { *(44 as *const i32) }; //~ ERROR evaluation of constant value failed -//~| is not a valid pointer +//~| is a dangling pointer diff --git a/src/test/ui/consts/const-eval/const_raw_ptr_ops2.stderr b/src/test/ui/consts/const-eval/const_raw_ptr_ops2.stderr index df8a80be72cb..e41dea873ac1 100644 --- a/src/test/ui/consts/const-eval/const_raw_ptr_ops2.stderr +++ b/src/test/ui/consts/const-eval/const_raw_ptr_ops2.stderr @@ -2,13 +2,13 @@ error[E0080]: evaluation of constant value failed --> $DIR/const_raw_ptr_ops2.rs:7:26 | LL | const Z2: i32 = unsafe { *(42 as *const i32) }; - | ^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: 0x2a is not a valid pointer + | ^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: 0x2a[noalloc] is a dangling pointer (it has no provenance) error[E0080]: evaluation of constant value failed --> $DIR/const_raw_ptr_ops2.rs:9:26 | LL | const Z3: i32 = unsafe { *(44 as *const i32) }; - | ^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: 0x2c is not a valid pointer + | ^^^^^^^^^^^^^^^^^^^ dereferencing pointer failed: 0x2c[noalloc] is a dangling pointer (it has no provenance) error: aborting due to 2 previous errors diff --git a/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr b/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr index 74f21c7c34fc..2fd98ea322b0 100644 --- a/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr +++ b/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr @@ -319,7 +319,7 @@ error[E0080]: could not evaluate static initializer --> $DIR/ub-wide-ptr.rs:147:5 | LL | mem::transmute::<_, &dyn Trait>((&92u8, 0usize)) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is not a valid pointer + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) error[E0080]: could not evaluate static initializer --> $DIR/ub-wide-ptr.rs:151:5 diff --git a/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr b/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr index 1775b0dc2ed9..bae249076598 100644 --- a/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr +++ b/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr @@ -319,7 +319,7 @@ error[E0080]: could not evaluate static initializer --> $DIR/ub-wide-ptr.rs:147:5 | LL | mem::transmute::<_, &dyn Trait>((&92u8, 0usize)) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is not a valid pointer + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) error[E0080]: could not evaluate static initializer --> $DIR/ub-wide-ptr.rs:151:5 diff --git a/src/test/ui/consts/const-mut-refs/mut_ref_in_final_dynamic_check.rs b/src/test/ui/consts/const-mut-refs/mut_ref_in_final_dynamic_check.rs index e0704e24a2e6..074beaab2c4d 100644 --- a/src/test/ui/consts/const-mut-refs/mut_ref_in_final_dynamic_check.rs +++ b/src/test/ui/consts/const-mut-refs/mut_ref_in_final_dynamic_check.rs @@ -11,7 +11,7 @@ const fn helper() -> Option<&'static mut i32> { unsafe { // Undefined behaviour (integer as pointer), who doesn't love tests like this. // This code never gets executed, because the static checks fail before that. Some(&mut *(42 as *mut i32)) //~ ERROR evaluation of constant value failed - //~| 0x2a is not a valid pointer + //~| 0x2a[noalloc] is a dangling pointer } } // The error is an evaluation error and not a validation error, so the error is reported // directly at the site where it occurs. diff --git a/src/test/ui/consts/const-mut-refs/mut_ref_in_final_dynamic_check.stderr b/src/test/ui/consts/const-mut-refs/mut_ref_in_final_dynamic_check.stderr index f2aec37a7292..234e55e3a96c 100644 --- a/src/test/ui/consts/const-mut-refs/mut_ref_in_final_dynamic_check.stderr +++ b/src/test/ui/consts/const-mut-refs/mut_ref_in_final_dynamic_check.stderr @@ -4,7 +4,7 @@ error[E0080]: evaluation of constant value failed LL | Some(&mut *(42 as *mut i32)) | ^^^^^^^^^^^^^^^^^^^^^^ | | - | dereferencing pointer failed: 0x2a is not a valid pointer + | dereferencing pointer failed: 0x2a[noalloc] is a dangling pointer (it has no provenance) | inside `helper` at $DIR/mut_ref_in_final_dynamic_check.rs:13:10 ... LL | const A: Option<&mut i32> = helper(); diff --git a/src/test/ui/consts/offset_from_ub.rs b/src/test/ui/consts/offset_from_ub.rs index 10e368ba1339..db2d421427c3 100644 --- a/src/test/ui/consts/offset_from_ub.rs +++ b/src/test/ui/consts/offset_from_ub.rs @@ -34,14 +34,14 @@ struct Struct { pub const OFFSET_FROM_NULL: isize = { let ptr = 0 as *const u8; unsafe { ptr_offset_from(ptr, ptr) } //~ERROR evaluation of constant value failed - //~| null pointer is not a valid pointer + //~| null pointer is a dangling pointer }; pub const DIFFERENT_INT: isize = { // offset_from with two different integers: like DIFFERENT_ALLOC let ptr1 = 8 as *const u8; let ptr2 = 16 as *const u8; unsafe { ptr_offset_from(ptr2, ptr1) } //~ERROR evaluation of constant value failed - //~| 0x8 is not a valid pointer + //~| 0x8[noalloc] is a dangling pointer }; const OUT_OF_BOUNDS_1: isize = { diff --git a/src/test/ui/consts/offset_from_ub.stderr b/src/test/ui/consts/offset_from_ub.stderr index eb7f1d7a6b25..daa1d736758c 100644 --- a/src/test/ui/consts/offset_from_ub.stderr +++ b/src/test/ui/consts/offset_from_ub.stderr @@ -28,13 +28,13 @@ error[E0080]: evaluation of constant value failed --> $DIR/offset_from_ub.rs:36:14 | LL | unsafe { ptr_offset_from(ptr, ptr) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds offset_from: null pointer is not a valid pointer + | ^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds offset_from: null pointer is a dangling pointer (it has no provenance) error[E0080]: evaluation of constant value failed --> $DIR/offset_from_ub.rs:43:14 | LL | unsafe { ptr_offset_from(ptr2, ptr1) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds offset_from: 0x8 is not a valid pointer + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds offset_from: 0x8[noalloc] is a dangling pointer (it has no provenance) error[E0080]: evaluation of constant value failed --> $DIR/offset_from_ub.rs:52:14 diff --git a/src/test/ui/consts/offset_ub.stderr b/src/test/ui/consts/offset_ub.stderr index 4d3e7ee24111..5a792bba50cb 100644 --- a/src/test/ui/consts/offset_ub.stderr +++ b/src/test/ui/consts/offset_ub.stderr @@ -18,7 +18,7 @@ error[E0080]: evaluation of constant value failed LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: allocN has size 1, so pointer to 2 bytes starting at offset 0 is out-of-bounds + | out-of-bounds pointer arithmetic: allocN has size 1, so pointer to 2 bytes starting at offset 0 is out-of-bounds | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | ::: $DIR/offset_ub.rs:8:43 @@ -32,7 +32,7 @@ error[E0080]: evaluation of constant value failed LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: allocN has size 100, so pointer to 101 bytes starting at offset 0 is out-of-bounds + | out-of-bounds pointer arithmetic: allocN has size 100, so pointer to 101 bytes starting at offset 0 is out-of-bounds | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | ::: $DIR/offset_ub.rs:9:45 @@ -102,7 +102,7 @@ error[E0080]: evaluation of constant value failed LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: allocN has size 1, so pointer to 2 bytes starting at offset -4 is out-of-bounds + | out-of-bounds pointer arithmetic: allocN has size 1, so pointer to 2 bytes starting at offset -4 is out-of-bounds | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | ::: $DIR/offset_ub.rs:15:49 @@ -116,7 +116,7 @@ error[E0080]: evaluation of constant value failed LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: allocN has size 0, so pointer to 1 byte starting at offset 0 is out-of-bounds + | out-of-bounds pointer arithmetic: allocN has size 0, so pointer to 1 byte starting at offset 0 is out-of-bounds | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | ::: $DIR/offset_ub.rs:17:50 @@ -130,7 +130,7 @@ error[E0080]: evaluation of constant value failed LL | unsafe { intrinsics::offset(self, count) as *mut T } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: 0x1 is not a valid pointer + | out-of-bounds pointer arithmetic: 0x1[noalloc] is a dangling pointer (it has no provenance) | inside `ptr::mut_ptr::::offset` at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL | ::: $DIR/offset_ub.rs:18:42 @@ -144,7 +144,7 @@ error[E0080]: evaluation of constant value failed LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: null pointer is not a valid pointer + | out-of-bounds pointer arithmetic: null pointer is a dangling pointer (it has no provenance) | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | ::: $DIR/offset_ub.rs:21:50 @@ -158,7 +158,7 @@ error[E0080]: evaluation of constant value failed LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: 0x7f..f is not a valid pointer + | out-of-bounds pointer arithmetic: 0x7f..f[noalloc] is a dangling pointer (it has no provenance) | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | ::: $DIR/offset_ub.rs:24:47 diff --git a/src/test/ui/consts/ptr_comparisons.stderr b/src/test/ui/consts/ptr_comparisons.stderr index 69936ee6c13e..67b9fec4a0e1 100644 --- a/src/test/ui/consts/ptr_comparisons.stderr +++ b/src/test/ui/consts/ptr_comparisons.stderr @@ -4,7 +4,7 @@ error[E0080]: evaluation of constant value failed LL | unsafe { intrinsics::offset(self, count) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | | - | pointer arithmetic failed: alloc3 has size $WORD, so pointer to $TWO_WORDS bytes starting at offset 0 is out-of-bounds + | out-of-bounds pointer arithmetic: alloc3 has size $WORD, so pointer to $TWO_WORDS bytes starting at offset 0 is out-of-bounds | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | ::: $DIR/ptr_comparisons.rs:58:34 diff --git a/src/test/ui/error-codes/E0396-fixed.stderr b/src/test/ui/error-codes/E0396-fixed.stderr index 3eb291f0f701..2efbd6989ad6 100644 --- a/src/test/ui/error-codes/E0396-fixed.stderr +++ b/src/test/ui/error-codes/E0396-fixed.stderr @@ -2,7 +2,7 @@ error[E0080]: evaluation of constant value failed --> $DIR/E0396-fixed.rs:5:28 | LL | const VALUE: u8 = unsafe { *REG_ADDR }; - | ^^^^^^^^^ dereferencing pointer failed: 0x5f3759df is not a valid pointer + | ^^^^^^^^^ dereferencing pointer failed: 0x5f3759df[noalloc] is a dangling pointer (it has no provenance) error: aborting due to previous error