fix: deallocate with correct amount of bytes

dlmalloc-rs bundled with recent versions of Rust (1.78.0 and later) has started to validate the size of deallocated memory blocks. alexcrichton/dlmalloc-rs@74fbdb5 rust-lang/rust@9b73db3
bytecodealliance · Apr 30, 2024 · eef1828 · eef1828
1 parent 45a4a3f
commit eef1828
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diff --git a/lib/package.wasm b/lib/package.wasm
diff --git a/lib/virtual_adapter.debug.wasm b/lib/virtual_adapter.debug.wasm
diff --git a/lib/virtual_adapter.wasm b/lib/virtual_adapter.wasm
diff --git a/virtual-adapter/src/io.rs b/virtual-adapter/src/io.rs
@@ -338,7 +338,7 @@ impl StaticIndexEntry {
                 );
                 let bytes = unsafe { slice::from_raw_parts(data, read_len) };
                 let vec = bytes.to_vec();
-                unsafe { std::alloc::dealloc(data, Layout::from_size_align(1, 4).unwrap()) };
+                unsafe { std::alloc::dealloc(data, Layout::from_size_align(read_len, 4).unwrap()) };
                 offset.set(offset.get() + read_len as u64);
                 Ok(vec)
             }