================================================================== BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_start write to 0xffffc900176551f8 of 8 bytes by task 3691 on cpu 1: kvm_mmu_notifier_invalidate_range_start+0x67/0x300 arch/x86/kvm/../../../virt/kvm/kvm_main.c:488 mn_hlist_invalidate_range_start mm/mmu_notifier.c:493 [inline] __mmu_notifier_invalidate_range_start+0x23a/0x390 mm/mmu_notifier.c:525 mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:453 [inline] wp_page_copy+0x3b1/0x1570 mm/memory.c:2881 do_wp_page+0x4cf/0x740 arch/x86/include/asm/atomic.h:95 handle_pte_fault mm/memory.c:4336 [inline] __handle_mm_fault mm/memory.c:4453 [inline] handle_mm_fault+0x1463/0x1840 mm/memory.c:4551 do_user_addr_fault+0x60c/0xc00 arch/x86/mm/fault.c:1390 handle_page_fault arch/x86/mm/fault.c:1475 [inline] exc_page_fault+0x94/0x2a0 arch/x86/mm/fault.c:1531 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:577 read to 0xffffc900176551f8 of 8 bytes by task 3685 on cpu 0: kvm_mmu_notifier_invalidate_range_end+0x6c/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:540 mn_hlist_invalidate_end mm/mmu_notifier.c:560 [inline] __mmu_notifier_invalidate_range_end+0x18e/0x210 mm/mmu_notifier.c:580 mmu_notifier_invalidate_range_only_end include/linux/mmu_notifier.h:486 [inline] wp_page_copy+0x9df/0x1570 mm/memory.c:2959 do_wp_page+0x4cf/0x740 arch/x86/include/asm/atomic.h:95 handle_pte_fault mm/memory.c:4336 [inline] __handle_mm_fault mm/memory.c:4453 [inline] handle_mm_fault+0x1463/0x1840 mm/memory.c:4551 do_user_addr_fault+0x60c/0xc00 arch/x86/mm/fault.c:1390 handle_page_fault arch/x86/mm/fault.c:1475 [inline] exc_page_fault+0x94/0x2a0 arch/x86/mm/fault.c:1531 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:577 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3685 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================