On Thu, Dec 23, 2021 at 12:01 PM Ard Biesheuvel <ardb@xxxxxxxxxx> wrote: > On Thu, 23 Dec 2021 at 11:16, Lecopzer Chen <lecopzer.chen@xxxxxxxxxxxx> wrote: > > > > When we run out of module space address with ko insertion, > > and with MODULE_PLTS, module would turn to try to find memory > > from VMALLOC address space. > > > > Unfortunately, with KASAN enabled, VMALLOC doesn't work without > > VMALLOC_KASAN which is unimplemented in ARM. (...) > This is not the right place to fix this. If module PLTs are > incompatible with KAsan, they should not be selectable in Kconfig at > the same time. > > But ideally, we should implement KASAN_VMALLOC for ARM as well - we > also need this for the vmap'ed stacks. I also need it for my kernel-in-vmalloc patch, I guess it's the reason why I can't seem to get it to work. So a lot depends on this. Yours, Linus Walleij
