zkvm: add #[forbid(unsafe_op_in_unsafe_fn)] in stdlib

This also adds an additional `unsafe` block to address compiler errors.
rust-lang · Jul 16, 2024 · adddf55 · adddf55
1 parent 032be6f
commit adddf55
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diff --git a/library/std/src/sys/pal/zkvm/alloc.rs b/library/std/src/sys/pal/zkvm/alloc.rs
@@ -5,7 +5,7 @@ use crate::alloc::{GlobalAlloc, Layout, System};
 unsafe impl GlobalAlloc for System {
     #[inline]
     unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
-        abi::sys_alloc_aligned(layout.size(), layout.align())
+        unsafe{ abi::sys_alloc_aligned(layout.size(), layout.align()) }
     }
 
     #[inline]

diff --git a/library/std/src/sys/pal/zkvm/mod.rs b/library/std/src/sys/pal/zkvm/mod.rs
@@ -6,6 +6,7 @@
 //! This is all super highly experimental and not actually intended for
 //! wide/production use yet, it's still all in the experimental category. This
 //! will likely change over time.
+#![forbid(unsafe_op_in_unsafe_fn)]
 
 const WORD_SIZE: usize = core::mem::size_of::<u32>();