On Tue, 3 Sep 2019, Matthew Wilcox wrote > > Its enabled in all full debug session as far as I know. Fedora for > > example has been running this for ages to find breakage in device drivers > > etc etc. > > Are you telling me nobody uses the ramdisk driver on fedora? Because > that's one of the affected drivers. How do I know? I dont run these tests. > > decade now) I am having a hard time believing the stories of great > > breakage here. These drivers were not tested with debugging on before? > > Never ran with a debug kernel? > > Whatever is being done is clearly not enough to trigger the bug. So how > about it? Create an option to slab/slub to always return misaligned > memory. It already exists Add "slub_debug" on the kernel command line.