| Summary: | jitCompileSIMDFunction crash during webapp load | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | sblochwehbas |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW --- | ||
| Severity: | Normal | CC: | justin_michaud, mark.lam, michael.hagar, simon.fraser, tommy.li, webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar |
| Version: | Safari 16 | ||
| Hardware: | Mac (Apple Silicon) | ||
| OS: | macOS 13 | ||
| Attachments: | |||
Created attachment 468791 [details]
Console crash report when using WebAssembly.compile on WASM SIMD
I'm seeing a similar crash when trying to use WebAssembly.compile or WebAssembly.compileStreaming on a certain WebAssembly file that uses SIMD instructions on the main thread, then passing the compiled WebAssembly module toa worker thread, and the instantiating said module.
Not using SIMD doesn't lead to a crash, and using instantiate / instantiateStreaming doesn't lead to a crash either. So it seems to be related to a combination of using SIMD and using WebAssembly.compile / WebAssembly.compileStreaming.
I attached the crash report found in the Console app.
Created attachment 469762 [details] Crash Log of build 274235@main I have also been seeing similar issues since Safari 16.4, till the latest 17.3. The latest development build 274235@main also crashes with our SIMD-enabled WebAssembly file. Our WebAssembly file is compiled from a C++ codebase with the Emscripten toolchain (Version 3.1.53, the latest as of writing). To concur with Michael, in our development, some of our WebAssembly files compiled with SIMD enabled do not actually crash Safari, only a certain other file does when extra C++ code are include. We have yet to closely examine what code is causing the crash. Created attachment 469763 [details] Translated Crash Report of build 274235@main Attached is the translated report of the crash for your information. |
Created attachment 465917 [details] Crash Report from Console.app. Safari 16.4 18615.1.26.11.23 MacOS 13.3.1 Apple M1 Max 64 GB RAM Crashing quite frequently on our web app during initial load/startup.