================================================================== BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_start write to 0xffffc90016842158 of 8 bytes by task 31425 on cpu 1: kvm_mmu_notifier_invalidate_range_start+0x6b/0x170 arch/x86/kvm/../../../virt/kvm/kvm_main.c:417 mn_hlist_invalidate_range_start mm/mmu_notifier.c:464 [inline] __mmu_notifier_invalidate_range_start+0x27e/0x350 mm/mmu_notifier.c:493 mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:440 [inline] mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:433 [inline] wp_page_copy+0xd3d/0xfa0 mm/memory.c:2436 do_wp_page+0x192/0xd20 mm/memory.c:2724 handle_pte_fault mm/memory.c:3961 [inline] __handle_mm_fault+0x1d16/0x2e00 mm/memory.c:4075 handle_mm_fault+0x21b/0x530 mm/memory.c:4112 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline] __do_page_fault+0x456/0x8d0 arch/x86/mm/fault.c:1506 do_page_fault+0x38/0x194 arch/x86/mm/fault.c:1530 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203 read to 0xffffc90016842158 of 8 bytes by task 31437 on cpu 0: kvm_mmu_notifier_invalidate_range_end+0x7b/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:456 mn_hlist_invalidate_end mm/mmu_notifier.c:526 [inline] __mmu_notifier_invalidate_range_end+0x19c/0x250 mm/mmu_notifier.c:544 mmu_notifier_invalidate_range_only_end include/linux/mmu_notifier.h:473 [inline] wp_page_copy+0xe8c/0xfa0 mm/memory.c:2513 do_wp_page+0x192/0xd20 mm/memory.c:2724 handle_pte_fault mm/memory.c:3961 [inline] __handle_mm_fault+0x1d16/0x2e00 mm/memory.c:4075 handle_mm_fault+0x21b/0x530 mm/memory.c:4112 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline] __do_page_fault+0x456/0x8d0 arch/x86/mm/fault.c:1506 do_page_fault+0x38/0x194 arch/x86/mm/fault.c:1530 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 31437 Comm: syz-executor.0 Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================