Upstream commit d19cd4bb234383166801b5d46365282808d0c0e5. Relevant part is: arch/x86/Kconfig: select HAVE_ARCH_KASAN if X86_64 && SPARSEMEM_VMEMMAP Signed-off-by: Adam Borowski <kilobyte@angband.pl> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Change-Id: I51eff71d709b0e95962b1a5a162ed4a8b36e79fd Bug: 128674696