My WasmCon 2023 Talk

By admin
I recently gave a talk at WasmCon

2023
DATE

about the measures we take to ensure security and correctness in

Wasmtime
PERSON

and

Cranelift
PERSON

. Very similar content to this blog post.

Here is the abstract:

WebAssembly programs are sandboxed and isolated from one another and from the host, so they can’t read or write external regions of memory, transfer control to arbitrary code in the process, or freely access the network and filesystem. This makes it safe to run untrusted

WebAssembly
ORG

programs: they cannot escape the sandbox to steal private data from elsewhere on your laptop or run a botnet on your servers. But these security properties only hold true if the

WebAssembly
ORG

runtime’s implementation is correct. This talk will explore the ways we are ensuring correctness in

the Wasmtime WebAssembly
ORG

runtime and in its compiler,

Cranelift
PERSON

.

The slides are available here and the recording is up on

YouTube
ORG

, although unfortunately they missed

the first 30 seconds
TIME

or so: