================================================================== BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_start write to 0xffffc9000278a160 of 8 bytes by task 20462 on cpu 1: kvm_mmu_notifier_invalidate_range_start+0x62/0x160 arch/x86/kvm/../../../virt/kvm/kvm_main.c:412 mn_hlist_invalidate_range_start mm/mmu_notifier.c:493 [inline] __mmu_notifier_invalidate_range_start+0x27e/0x350 mm/mmu_notifier.c:525 mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:446 [inline] mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:439 [inline] wp_page_copy+0xcd0/0x1060 mm/memory.c:2689 do_wp_page+0x224/0xca0 mm/memory.c:2982 handle_pte_fault mm/memory.c:4231 [inline] __handle_mm_fault+0x2a65/0x2ec0 mm/memory.c:4345 handle_mm_fault+0x21c/0x540 mm/memory.c:4382 do_user_addr_fault arch/x86/mm/fault.c:1464 [inline] do_page_fault+0x48a/0xa96 arch/x86/mm/fault.c:1535 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203 read to 0xffffc9000278a160 of 8 bytes by task 20452 on cpu 0: kvm_mmu_notifier_invalidate_range_end+0x77/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:451 mn_hlist_invalidate_end mm/mmu_notifier.c:560 [inline] __mmu_notifier_invalidate_range_end+0x19e/0x250 mm/mmu_notifier.c:580 mmu_notifier_invalidate_range_only_end include/linux/mmu_notifier.h:479 [inline] wp_page_copy+0xe28/0x1060 mm/memory.c:2766 do_wp_page+0x224/0xca0 mm/memory.c:2982 handle_pte_fault mm/memory.c:4231 [inline] __handle_mm_fault+0x2a65/0x2ec0 mm/memory.c:4345 handle_mm_fault+0x21c/0x540 mm/memory.c:4382 do_user_addr_fault arch/x86/mm/fault.c:1464 [inline] do_page_fault+0x48a/0xa96 arch/x86/mm/fault.c:1535 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 20452 Comm: syz-executor.5 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================