Unknown ioctl 35090
BUG: unable to handle kernel paging request at ffff8880a4fdd000
kobject: 'kvm' (00000000116e8c46): kobject_uevent_env
#PF error: [PROT] [WRITE] [RSVD]
PGD c201067 P4D c201067 PUD 21ffff067 PMD 80000000a4e001e3 
kobject: 'kvm' (00000000116e8c46): fill_kobj_path: path = '/devices/virtual/misc/kvm'
Oops: 000b [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10056 Comm: syz-executor5 Not tainted 5.0.0-rc4+ #50
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__write_once_size include/linux/compiler.h:220 [inline]
RIP: 0010:__update_clear_spte_fast arch/x86/kvm/mmu.c:547 [inline]
RIP: 0010:mmu_spte_clear_no_track arch/x86/kvm/mmu.c:848 [inline]
RIP: 0010:drop_parent_pte arch/x86/kvm/mmu.c:2040 [inline]
RIP: 0010:mmu_page_zap_pte+0x2b8/0x3b0 arch/x86/kvm/mmu.c:2618
Code: 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 d1 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 eb 03 <49> c7 04 24 00 00 00 00 c6 04 03 f8 b8 01 00 00 00 e9 2d fe ff ff
RSP: 0018:ffff88804cebf208 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: 1ffff110099d7e47 RCX: ffffc90010a85000
RDX: 1ffff110149fba00 RSI: ffffffff81114034 RDI: 0000000000000007
RBP: ffff88804cebf2c0 R08: ffff888091546200 R09: ffffed1015cc5b90
R10: ffffed1015cc5b8f R11: ffff8880ae62dc7b R12: ffff8880a4fdd000
R13: 1ffff110099d7e43 R14: 0000000000000000 R15: ffff88804cebf298
FS:  00007fde6df4c700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880a4fdd000 CR3: 000000008866a000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kvm_mmu_page_unlink_children arch/x86/kvm/mmu.c:2635 [inline]
 kvm_mmu_prepare_zap_page+0x19d/0x1440 arch/x86/kvm/mmu.c:2679
 kvm_zap_obsolete_pages arch/x86/kvm/mmu.c:5844 [inline]
 kvm_mmu_invalidate_zap_all_pages+0x53e/0x710 arch/x86/kvm/mmu.c:5885
 kvm_arch_flush_shadow_all+0x16/0x20 arch/x86/kvm/x86.c:9458
 kvm_mmu_notifier_release+0x5c/0x90 arch/x86/kvm/../../../virt/kvm/kvm_main.c:494
 mmu_notifier_unregister+0x1dd/0x5e0 mm/mmu_notifier.c:356
Unknown ioctl 44545
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:744 [inline]
 kvm_put_kvm+0x6aa/0xff0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:769
 kvm_vcpu_release+0x7b/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2495
 __fput+0x3c5/0xb10 fs/file_table.c:278
 ____fput+0x16/0x20 fs/file_table.c:309
 task_work_run+0x1f4/0x2b0 kernel/task_work.c:113
 get_signal+0x168d/0x19b0 kernel/signal.c:2347
 do_signal+0x91/0x1ea0 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop+0x2f7/0x3b0 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x696/0x800 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458089
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fde6df4bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000458089
RDX: 0000000000000000 RSI: 000000000000ae9a RDI: 0000000000000005
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fde6df4c6d4
R13: 00000000004c0f7c R14: 00000000004d2c68 R15: 00000000ffffffff
Unknown ioctl 1077957908
Modules linked in:
CR2: ffff8880a4fdd000
---[ end trace 9707dea237844eab ]---
RIP: 0010:__write_once_size include/linux/compiler.h:220 [inline]
RIP: 0010:__update_clear_spte_fast arch/x86/kvm/mmu.c:547 [inline]
RIP: 0010:mmu_spte_clear_no_track arch/x86/kvm/mmu.c:848 [inline]
RIP: 0010:drop_parent_pte arch/x86/kvm/mmu.c:2040 [inline]
RIP: 0010:mmu_page_zap_pte+0x2b8/0x3b0 arch/x86/kvm/mmu.c:2618
Code: 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 d1 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 eb 03 <49> c7 04 24 00 00 00 00 c6 04 03 f8 b8 01 00 00 00 e9 2d fe ff ff
RSP: 0018:ffff88804cebf208 EFLAGS: 00010a06
Unknown ioctl 1076391951
RAX: dffffc0000000000 RBX: 1ffff110099d7e47 RCX: ffffc90010a85000
RDX: 1ffff110149fba00 RSI: ffffffff81114034 RDI: 0000000000000007
RBP: ffff88804cebf2c0 R08: ffff888091546200 R09: ffffed1015cc5b90
R10: ffffed1015cc5b8f R11: ffff8880ae62dc7b R12: ffff8880a4fdd000
Unknown ioctl 35090
R13: 1ffff110099d7e43 R14: 0000000000000000 R15: ffff88804cebf298
FS:  00007fde6df4c700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880a4fdd000 CR3: 000000008866a000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400