binder: BINDER_SET_CONTEXT_MGR already set ntfs: (device loop4): ntfs_fill_super(): Unable to determine device size. binder: 17706:17712 ioctl 40046207 0 returned -16 BUG: unable to handle kernel paging request at ffff8801c4369000 PGD bc01067 P4D bc01067 PUD 1d945f063 PMD 80000001c42001e3 Oops: 000b [#1] PREEMPT SMP KASAN CPU: 1 PID: 17713 Comm: syz-executor0 Not tainted 4.19.0-rc8-next-20181016+ #95 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__update_clear_spte_fast include/linux/compiler.h:206 [inline] RIP: 0010:mmu_spte_clear_no_track arch/x86/kvm/mmu.c:819 [inline] RIP: 0010:drop_parent_pte arch/x86/kvm/mmu.c:1998 [inline] RIP: 0010:mmu_page_zap_pte+0x295/0x390 arch/x86/kvm/mmu.c:2576 Code: 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c7 85 58 ff ff ff 00 00 00 00 48 c1 ea 03 80 3c 02 00 0f 85 d4 00 00 00 48 c1 eb 03 <49> c7 45 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 be 01 00 RSP: 0018:ffff880185d3f150 EFLAGS: 00010a02 kobject: 'loop4' (00000000370cd225): kobject_uevent_env RAX: dffffc0000000000 RBX: 1ffff10030ba7e2f RCX: ffffffff81111f5b kobject: 'loop4' (00000000370cd225): fill_kobj_path: path = '/devices/virtual/block/loop4' RDX: 1ffff1003886d200 RSI: ffffffff8111203b RDI: 0000000000000007 RBP: ffff880185d3f220 R08: ffff8801c0ab0280 R09: ffffed003b5e5b4f R10: ffffed003b5e5b4f R11: ffff8801daf2da7b R12: 1ffff10030ba7e2b R13: ffff8801c4369000 R14: 0000000000000004 R15: 0000000000000000 FS: 000000000178f940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801c4369000 CR3: 00000001d3271000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 17ef1a5176e1c63c DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_mmu_page_unlink_children arch/x86/kvm/mmu.c:2593 [inline] kvm_mmu_prepare_zap_page+0x210/0x1830 arch/x86/kvm/mmu.c:2637 kvm_zap_obsolete_pages arch/x86/kvm/mmu.c:5727 [inline] kvm_mmu_invalidate_zap_all_pages+0x343/0x7a0 arch/x86/kvm/mmu.c:5768 kvm_arch_flush_shadow_all+0x15/0x20 arch/x86/kvm/x86.c:9215 kvm_mmu_notifier_release+0x59/0x90 arch/x86/kvm/../../../virt/kvm/kvm_main.c:497 mmu_notifier_unregister+0x1fa/0x600 mm/mmu_notifier.c:365 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:747 [inline] kvm_put_kvm+0x6c0/0xff0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:772 kvm_vcpu_release+0x7b/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2406 __fput+0x3bc/0xa70 fs/file_table.c:279 ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 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+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 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:00007ffd12e055c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 0000000000731640 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffd12e054f0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 000000000000054c R15: 0000000000000000 Modules linked in: CR2: ffff8801c4369000 ---[ end trace 08ea9d4092cb323e ]--- RIP: 0010:__update_clear_spte_fast include/linux/compiler.h:206 [inline] RIP: 0010:mmu_spte_clear_no_track arch/x86/kvm/mmu.c:819 [inline] RIP: 0010:drop_parent_pte arch/x86/kvm/mmu.c:1998 [inline] RIP: 0010:mmu_page_zap_pte+0x295/0x390 arch/x86/kvm/mmu.c:2576 Code: 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c7 85 58 ff ff ff 00 00 00 00 48 c1 ea 03 80 3c 02 00 0f 85 d4 00 00 00 48 c1 eb 03 <49> c7 45 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 be 01 00 RSP: 0018:ffff880185d3f150 EFLAGS: 00010a02 RAX: dffffc0000000000 RBX: 1ffff10030ba7e2f RCX: ffffffff81111f5b RDX: 1ffff1003886d200 RSI: ffffffff8111203b RDI: 0000000000000007 RBP: ffff880185d3f220 R08: ffff8801c0ab0280 R09: ffffed003b5e5b4f R10: ffffed003b5e5b4f R11: ffff8801daf2da7b R12: 1ffff10030ba7e2b R13: ffff8801c4369000 R14: 0000000000000004 R15: 0000000000000000 FS: 000000000178f940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801c4369000 CR3: 00000001d3271000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 17ef1a5176e1c63c DR6: 00000000fffe0ff0 DR7: 0000000000000400