WARNING: CPU: 0 PID: 20066 at arch/x86/kvm/mmu.c:830 mmu_spte_clear_track_bits+0x43a/0x500 arch/x86/kvm/mmu.c:830 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 20066 Comm: syz-executor5 Not tainted 4.20.0+ #10 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'kvm' (000000008e1c8e0f): kobject_uevent_env Call Trace: kobject: 'kvm' (000000008e1c8e0f): fill_kobj_path: path = '/devices/virtual/misc/kvm' __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 panic+0x2cb/0x589 kernel/panic.c:189 __warn.cold+0x20/0x4b kernel/panic.c:544 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:mmu_spte_clear_track_bits+0x43a/0x500 arch/x86/kvm/mmu.c:830 Code: 45 89 67 90 31 ff 44 89 e6 48 ba 00 00 00 00 00 fc ff df c6 04 10 f8 e8 94 d3 70 00 45 85 e4 0f 85 74 fd ff ff e8 06 d2 70 00 <0f> 0b e9 68 fd ff ff e8 fa d1 70 00 4c 89 f7 e8 a2 24 f7 ff 31 f6 RSP: 0018:ffff8880865d71b0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 40500000903bfc70 RCX: ffffc90009ffa000 RDX: 00000000000005a7 RSI: ffffffff811125ba RDI: 0000000000000005 RBP: ffff8880865d7288 R08: ffff88808dff24c0 R09: fffff94000481dff R10: fffff94000481dfe R11: ffffea000240eff7 R12: 0000000000000000 R13: 1ffff11010cbae38 R14: 00000000000903bf R15: ffff8880865d7260 pte_list_remove arch/x86/kvm/mmu.c:1335 [inline] kvm_zap_rmapp.constprop.0+0x78/0xe0 arch/x86/kvm/mmu.c:1727 kvm_unmap_rmapp+0x16/0x20 arch/x86/kvm/mmu.c:1738 kvm_handle_hva_range+0x42a/0x730 arch/x86/kvm/mmu.c:1894 kvm_unmap_hva_range+0x2f/0x40 arch/x86/kvm/mmu.c:1915 kvm_mmu_notifier_invalidate_range_start+0xe2/0x260 arch/x86/kvm/../../../virt/kvm/kvm_main.c:380 __mmu_notifier_invalidate_range_start+0x1e8/0x330 mm/mmu_notifier.c:179 mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:273 [inline] unmap_vmas+0x281/0x310 mm/memory.c:1337 unmap_region+0x34b/0x560 mm/mmap.c:2606 __do_munmap+0x637/0xef0 mm/mmap.c:2825 do_munmap mm/mmap.c:2836 [inline] mmap_region+0x698/0x1ca0 mm/mmap.c:1729 do_mmap+0xa09/0x1220 mm/mmap.c:1559 do_mmap_pgoff include/linux/mm.h:2378 [inline] vm_mmap_pgoff+0x20b/0x2b0 mm/util.c:350 ksys_mmap_pgoff+0x4f8/0x650 mm/mmap.c:1609 __do_sys_mmap_pgoff mm/mmap.c:1620 [inline] __se_sys_mmap_pgoff mm/mmap.c:1616 [inline] __ia32_sys_mmap_pgoff+0xdd/0x1a0 mm/mmap.c:1616 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x333/0xf98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f2f869 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5f0a0cc EFLAGS: 00000296 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000e7e000 RDX: 000000000200000e RSI: 0000000000000013 RDI: 0000000000000013 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..