On Tue, Aug 12, 2025 at 6:57 PM Yeoreum Yun <yeoreum.yun@xxxxxxx> wrote: > > > Right now, KASAN tests are crafted to avoid/self-contain harmful > > memory corruptions that they do (e.g. make sure that OOB write > > accesses land in in-object kmalloc training space, etc.). If you turn > > read accesses in tests into write accesses, memory corruptions caused > > by the earlier tests will crash the kernel or the latter tests. > > That's why I run the store-only test when this mode is "sync" > In case of "async/asymm" as you mention since it reports "after", > there will be memory corruption. > > But in case of sync, when the MTE fault happens, it doesn't > write to memory so, I think it's fine. Does it not? I thought MTE gets disabled and we return from the fault handler and let the write instruction execute. But my memory on this is foggy. And I don't have a setup right now to test.
