Lecopzer Chen is working on this: https://lore.kernel.org/linux-arm-kernel/20210206083552.24394-1-lecopzer.chen@mediatek.com/
GENERIC mode supports CONFIG_KASAN_VMALLOC as of [1] and related commits. SW/HW_TAGS mode have their own bug tracker items [2, 3]. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acc3042d62cb92c3776767f09f665511c903ef2d [2] https://bugzilla.kernel.org/show_bug.cgi?id=211775 [3] https://bugzilla.kernel.org/show_bug.cgi?id=211777