WasmCon 2023 has ended
September 6-7, 2023
Bellevue, Washington
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Thursday, September 7 • 3:30pm - 4:05pm
Security and Correctness in Wasmtime - Nick Fitzgerald, Bytecode Alliance

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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 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 runtime’s implementation is correct. This talk will explore the ways we are ensuring correctness in the Wasmtime WebAssembly runtime and in its compiler, Cranelift.

avatar for Nick Fitzgerald

Nick Fitzgerald

Technical Steering Committee Chair, Bytecode Alliance
Nick hacks on the Wasmtime WebAssembly runtime, its compiler Cranelift, and related projects at Fastly and is an elected member of the Bytecode Alliance's Technical Steering Committee. He cares deeply about software correctness and bug squashing. In his free time, Nick is obsessed... Read More →

Thursday September 7, 2023 3:30pm - 4:05pm PDT
Grand Ballroom I