================================================================== BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_start write to 0xffffc900030ee1b8 of 8 bytes by task 10505 on cpu 1: kvm_mmu_notifier_invalidate_range_start+0x63/0x200 arch/x86/kvm/../../../virt/kvm/kvm_main.c:485 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+0x3b4/0x1560 mm/memory.c:2875 do_wp_page+0x48d/0x6d0 arch/x86/include/asm/atomic.h:95 handle_pte_fault mm/memory.c:4405 [inline] __handle_mm_fault mm/memory.c:4522 [inline] handle_mm_fault+0x144d/0x1810 mm/memory.c:4620 faultin_page mm/gup.c:851 [inline] __get_user_pages+0xa42/0x1000 mm/gup.c:1070 populate_vma_page_range mm/gup.c:1403 [inline] __mm_populate+0x24d/0x380 mm/gup.c:1451 do_mlock+0x3ad/0x460 mm/mlock.c:688 __do_sys_mlock mm/mlock.c:696 [inline] __se_sys_mlock mm/mlock.c:694 [inline] __x64_sys_mlock+0x32/0x40 mm/mlock.c:694 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffffc900030ee1b8 of 8 bytes by task 10483 on cpu 0: kvm_mmu_notifier_invalidate_range_end+0x6c/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:519 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/0x1560 mm/memory.c:2954 do_wp_page+0x48d/0x6d0 arch/x86/include/asm/atomic.h:95 handle_pte_fault mm/memory.c:4405 [inline] __handle_mm_fault mm/memory.c:4522 [inline] handle_mm_fault+0x144d/0x1810 mm/memory.c:4620 do_user_addr_fault+0x43e/0x830 arch/x86/mm/fault.c:1393 handle_page_fault arch/x86/mm/fault.c:1450 [inline] exc_page_fault+0x94/0x2a0 arch/x86/mm/fault.c:1506 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:580 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 10483 Comm: syz-executor.1 Not tainted 5.11.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================