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There are still RWX pages in Chrome, something to do with WASM I think. I don’t know about Safari. Old MS Edge used to solve the remapping of the W JIT page to
by helloooooooo 4y ago
There are still RWX pages in Chrome, something to do with WASM I think. I don’t know about Safari. Old MS Edge used to solve the remapping of the W JIT page to X by moving JITTing to another process and then having it RW in there, but only ever be RX in the primary process.
- JonathonW 4y agoIt doesn't have RWX pages on macOS; macOS on Apple Silicon (and under the Hardened Runtime on Intel, although I'm not sure whether or not Chrome's adopted that) strictly enforces W^X. https://developer.apple.com/documentation/apple-silicon/porting-just-in-time-compilers-to-apple-silicon https://developer.apple.com/documentation/apple-silicon/port...