BUG: unable to handle kernel paging request at ffff888099317000 kobject: 'kvm' (0000000006b53930): kobject_uevent_env #PF error: [PROT] [WRITE] [RSVD] PGD b201067 P4D b201067 PUD 21ffff067 PMD 8ae48063 PTE 8000000099317163 Oops: 000b [#1] PREEMPT SMP KASAN CPU: 0 PID: 17020 Comm: syz-executor.0 Not tainted 5.0.0-rc5+ #65 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'kvm' (0000000006b53930): kobject_uevent_env 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+0x18a/0x250 arch/x86/kvm/mmu.c:2618 Code: 8b 73 28 4c 89 e7 48 83 c6 48 e8 b1 3f ff ff 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 a4 00 00 00 <49> c7 04 24 00 00 00 00 41 be 01 00 00 00 e9 fd fe ff ff e8 7e 4b kobject: 'kvm' (0000000006b53930): fill_kobj_path: path = '/devices/virtual/misc/kvm' RSP: 0018:ffff888099217b40 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffea00023a3100 RCX: ffffffff810ed4eb kobject: 'kvm' (0000000006b53930): fill_kobj_path: path = '/devices/virtual/misc/kvm' RDX: 1ffff11013262e00 RSI: ffffffff810ed514 RDI: 0000000000000007 RBP: ffff888099217b68 R08: ffff8880a5b2c4c0 R09: ffffed1015d05bd0 R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: ffff888099317000 R13: 0000000000000004 R14: ffffc90015961000 R15: 0000000000000000 FS: 00000000022f2940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888099317000 CR3: 0000000054751000 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+0x163/0x1170 arch/x86/kvm/mmu.c:2679 kvm_zap_obsolete_pages arch/x86/kvm/mmu.c:5844 [inline] kvm_mmu_invalidate_zap_all_pages+0x3ca/0x550 arch/x86/kvm/mmu.c:5885 kvm_arch_flush_shadow_all+0x16/0x20 arch/x86/kvm/x86.c:9465 kvm_mmu_notifier_release+0x5c/0x90 arch/x86/kvm/../../../virt/kvm/kvm_main.c:494 mmu_notifier_unregister+0x137/0x410 mm/mmu_notifier.c:356 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:744 [inline] kvm_put_kvm+0x553/0xc70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:769 kvm_vcpu_release+0x7b/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2495 __fput+0x2df/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411d41 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 94 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:0000000000a4fd90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411d41 RDX: 0000000000000000 RSI: 0000000000740970 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000140a16 R09: 0000000000140a16 R10: 0000000000a4fcc0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000008ad R15: 0000000000000000 Modules linked in: CR2: ffff888099317000 ---[ end trace 8585f713725a3691 ]--- 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+0x18a/0x250 arch/x86/kvm/mmu.c:2618 Code: 8b 73 28 4c 89 e7 48 83 c6 48 e8 b1 3f ff ff 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 a4 00 00 00 <49> c7 04 24 00 00 00 00 41 be 01 00 00 00 e9 fd fe ff ff e8 7e 4b RSP: 0018:ffff888099217b40 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffea00023a3100 RCX: ffffffff810ed4eb RDX: 1ffff11013262e00 RSI: ffffffff810ed514 RDI: 0000000000000007 RBP: ffff888099217b68 R08: ffff8880a5b2c4c0 R09: ffffed1015d05bd0 R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: ffff888099317000 R13: 0000000000000004 R14: ffffc90015961000 R15: 0000000000000000 FS: 00000000022f2940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888099317000 CR3: 0000000054751000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400