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Handle overflow errors in Bytes -> Pages conversion

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This commit is contained in:
Simon Warta
2020-12-10 14:53:24 +01:00
parent 0d2396bd3c
commit 59fb850181
6 changed files with 55 additions and 6 deletions
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4
lib/vm/src/memory.rs
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@@ -318,7 +318,7 @@ impl Memory for LinearMemory {
unsafe {
let md_ptr = self.get_vm_memory_definition();
let md = md_ptr.as_ref();
Bytes::from(md.current_length).into()
Bytes::from(md.current_length).try_into().unwrap()
}
}
@@ -376,7 +376,7 @@ impl Memory for LinearMemory {
.checked_add(guard_bytes)
.ok_or_else(|| MemoryError::CouldNotGrow {
current: new_pages,
attempted_delta: Bytes(guard_bytes).into(),
attempted_delta: Bytes(guard_bytes).try_into().unwrap(),
})?;
let mut new_mmap =