fmt

Author: The Miri Conjob Bot

src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs

@@ -206,11 +206,7 @@ trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<'
         // Make sure the new permission makes sense as the initial permission of a fresh tag.
         assert!(new_perm.initial_state.is_initial());
         // Ensure we bail out if the pointer goes out-of-bounds (see miri#1050).
-        this.check_ptr_access(
-            place.ptr(),
-            ptr_size,
-            CheckInAllocMsg::InboundsTest,
-        )?;
+        this.check_ptr_access(place.ptr(), ptr_size, CheckInAllocMsg::InboundsTest)?;
 
         // It is crucial that this gets called on all code paths, to ensure we track tag creation.
         let log_creation = |this: &MiriInterpCx<'mir, 'tcx>,

src/tools/miri/src/concurrency/data_race.rs

@@ -1017,10 +1017,7 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> {
         // even if the type they wrap would be less aligned (e.g. AtomicU64 on 32bit must
         // be 8-aligned).
         let align = Align::from_bytes(place.layout.size.bytes()).unwrap();
-        this.check_ptr_align(
-            place.ptr(),
-            align,
-        )?;
+        this.check_ptr_align(place.ptr(), align)?;
         // Ensure the allocation is mutable. Even failing (read-only) compare_exchange need mutable
         // memory on many targets (i.e., they segfault if taht memory is mapped read-only), and
         // atomic loads can be implemented via compare_exchange on some targets. There could

src/tools/miri/src/helpers.rs

@@ -868,9 +868,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
         let size2 = Size::from_bytes(2);
         let this = self.eval_context_mut();
         this.check_ptr_align(ptr, Align::from_bytes(2).unwrap())?;
-        let mut alloc = this
-            .get_ptr_alloc_mut(ptr, size2 * string_length)?
-            .unwrap(); // not a ZST, so we will get a result
+        let mut alloc = this.get_ptr_alloc_mut(ptr, size2 * string_length)?.unwrap(); // not a ZST, so we will get a result
         for (offset, wchar) in wide_str.iter().copied().chain(iter::once(0x0000)).enumerate() {
             let offset = u64::try_from(offset).unwrap();
             alloc.write_scalar(alloc_range(size2 * offset, size2), Scalar::from_u16(wchar))?;

src/tools/miri/src/shims/foreign_items.rs

@@ -805,12 +805,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
                 this.ptr_get_alloc_id(ptr_dest)?;
                 this.ptr_get_alloc_id(ptr_src)?;
 
-                this.mem_copy(
-                    ptr_src,
-                    ptr_dest,
-                    Size::from_bytes(n),
-                    true,
-                )?;
+                this.mem_copy(ptr_src, ptr_dest, Size::from_bytes(n), true)?;
                 this.write_pointer(ptr_dest, dest)?;
             }
             "strcpy" => {
@@ -826,12 +821,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
                 // reason to have `strcpy` destroy pointer provenance.
                 // This reads at least 1 byte, so we are already enforcing that this is a valid pointer.
                 let n = this.read_c_str(ptr_src)?.len().checked_add(1).unwrap();
-                this.mem_copy(
-                    ptr_src,
-                    ptr_dest,
-                    Size::from_bytes(n),
-                    true,
-                )?;
+                this.mem_copy(ptr_src, ptr_dest, Size::from_bytes(n), true)?;
                 this.write_pointer(ptr_dest, dest)?;
             }
 

src/tools/miri/src/shims/unix/fs.rs

@@ -756,11 +756,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
         trace!("Reading from FD {}, size {}", fd, count);
 
         // Check that the *entire* buffer is actually valid memory.
-        this.check_ptr_access(
-            buf,
-            Size::from_bytes(count),
-            CheckInAllocMsg::MemoryAccessTest,
-        )?;
+        this.check_ptr_access(buf, Size::from_bytes(count), CheckInAllocMsg::MemoryAccessTest)?;
 
         // We cap the number of read bytes to the largest value that we are able to fit in both the
         // host's and target's `isize`. This saves us from having to handle overflows later.
@@ -809,11 +805,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
         // Isolation check is done via `FileDescriptor` trait.
 
         // Check that the *entire* buffer is actually valid memory.
-        this.check_ptr_access(
-            buf,
-            Size::from_bytes(count),
-            CheckInAllocMsg::MemoryAccessTest,
-        )?;
+        this.check_ptr_access(buf, Size::from_bytes(count), CheckInAllocMsg::MemoryAccessTest)?;
 
         // We cap the number of written bytes to the largest value that we are able to fit in both the
         // host's and target's `isize`. This saves us from having to handle overflows later.

src/tools/miri/src/shims/unix/linux/sync.rs

@@ -85,10 +85,7 @@ pub fn futex<'tcx>(
                 return Ok(());
             }
 
-            let timeout = this.deref_pointer_as(
-                &args[3],
-                this.libc_ty_layout("timespec"),
-            )?;
+            let timeout = this.deref_pointer_as(&args[3], this.libc_ty_layout("timespec"))?;
             let timeout_time = if this.ptr_is_null(timeout.ptr())? {
                 None
             } else {

src/tools/miri/src/shims/windows/sync.rs

@@ -321,8 +321,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
         this.atomic_fence(AtomicFenceOrd::SeqCst)?;
 
         let layout = this.machine.layouts.uint(size).unwrap();
-        let futex_val = this
-            .read_scalar_atomic(&this.ptr_to_mplace(ptr, layout), AtomicReadOrd::Relaxed)?;
+        let futex_val =
+            this.read_scalar_atomic(&this.ptr_to_mplace(ptr, layout), AtomicReadOrd::Relaxed)?;
         let compare_val = this.read_scalar(&this.ptr_to_mplace(compare, layout))?;
 
         if futex_val == compare_val {

src/tools/miri/src/shims/x86/sse3.rs

@@ -73,12 +73,7 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>:
                 let src_ptr = this.read_pointer(src_ptr)?;
                 let dest = dest.force_mplace(this)?;
 
-                this.mem_copy(
-                    src_ptr,
-                    dest.ptr(),
-                    dest.layout.size,
-                    /*nonoverlapping*/ true,
-                )?;
+                this.mem_copy(src_ptr, dest.ptr(), dest.layout.size, /*nonoverlapping*/ true)?;
             }
             _ => return Ok(EmulateForeignItemResult::NotSupported),
         }

src/tools/miri/tests/fail/dangling_pointers/deref_dangling_box.rs

@@ -1,7 +1,7 @@
 // Should be caught even without retagging
 //@compile-flags: -Zmiri-disable-stacked-borrows
 #![feature(strict_provenance)]
-use std::ptr::{addr_of_mut, self};
+use std::ptr::{self, addr_of_mut};
 
 // Deref'ing a dangling raw pointer is fine, but for a dangling box it is not.
 // We do this behind a pointer indirection to potentially fool validity checking.

src/tools/miri/tests/fail/dangling_pointers/deref_dangling_ref.rs

@@ -1,7 +1,7 @@
 // Should be caught even without retagging
 //@compile-flags: -Zmiri-disable-stacked-borrows
 #![feature(strict_provenance)]
-use std::ptr::{addr_of_mut, self};
+use std::ptr::{self, addr_of_mut};
 
 // Deref'ing a dangling raw pointer is fine, but for a dangling reference it is not.
 // We do this behind a pointer indirection to potentially fool validity checking.