On Tue, Jan 17, 2023 at 5:35 PM Jann Horn <jannh@xxxxxxxxxx> wrote: > KASAN (except in HW_TAGS mode) tracks memory state based on virtual > addresses. The mappings of kernel stack pages in the linear mapping are > currently marked as fully accessible. > Since stack corruption issues can cause some very gnarly errors, let's be > extra careful and tell KASAN to forbid accesses to stack memory through the > linear mapping. > > Signed-off-by: Jann Horn <jannh@xxxxxxxxxx> @akpm please remove this one from your tree for now, it's unlikely to work at least for now because there's code like cifs_sg_set_buf()
