device lo left promiscuous mode BUG: unable to handle kernel paging request at 00000000fad4d185 IP: lock_release+0x195/0xda0 kernel/locking/lockdep.c:4021 PGD 5e28067 P4D 5e28067 PUD 5e2a067 PMD 0 Oops: 0002 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 18734 Comm: syz-executor6 Not tainted 4.15.0-rc1-next-20171201+ #57 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: 00000000916edbce task.stack: 00000000199d6094 RIP: 0010:lock_release+0x195/0xda0 kernel/locking/lockdep.c:4021 RSP: 0018:ffff88019433e7d8 EFLAGS: 00010046 RAX: 0000000000000007 RBX: 1ffff10032867d00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88019553ea84 RBP: ffff88019433e948 R08: 0000000000000001 R09: 000000000000275c R10: 0000000000000000 R11: ffffffff8748cd60 R12: ffff88019553e200 R13: ffff88019433e920 R14: ffff8801cef6ab58 R15: ffff88019553e200 FS: 00007fc3506d7700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff8 CR3: 000000019052a000 CR4: 00000000001426e0 Call Trace: __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock+0x1a/0x30 kernel/locking/spinlock.c:183 spin_unlock include/linux/spinlock.h:355 [inline] follow_pmd_mask mm/gup.c:297 [inline] follow_pud_mask mm/gup.c:339 [inline] follow_p4d_mask mm/gup.c:365 [inline] follow_page_mask+0x1508/0x17f0 mm/gup.c:418 __get_user_pages+0x423/0x15f0 mm/gup.c:696 __get_user_pages_locked mm/gup.c:870 [inline] __get_user_pages_unlocked mm/gup.c:984 [inline] get_user_pages_unlocked+0x2af/0x460 mm/gup.c:1009 hva_to_pfn_slow arch/x86/kvm/../../../virt/kvm/kvm_main.c:1394 [inline] hva_to_pfn arch/x86/kvm/../../../virt/kvm/kvm_main.c:1503 [inline] __gfn_to_pfn_memslot+0x657/0x10c0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1559 gfn_to_pfn_memslot arch/x86/kvm/../../../virt/kvm/kvm_main.c:1574 [inline] gfn_to_pfn+0x3f5/0x650 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1598 reexecute_instruction.part.167+0xa7/0x260 arch/x86/kvm/x86.c:5488 reexecute_instruction arch/x86/kvm/x86.c:5739 [inline] x86_emulate_instruction+0x15bc/0x1ad0 arch/x86/kvm/x86.c:5739 kvm_mmu_page_fault+0x1d3/0x2f0 arch/x86/kvm/mmu.c:4953 handle_ept_violation+0x198/0x550 arch/x86/kvm/vmx.c:6544 vmx_handle_exit+0x25d/0x1ce0 arch/x86/kvm/vmx.c:8893 vcpu_enter_guest arch/x86/kvm/x86.c:7084 [inline] vcpu_run arch/x86/kvm/x86.c:7146 [inline] kvm_arch_vcpu_ioctl_run+0x1cb4/0x5c60 arch/x86/kvm/x86.c:7314 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2574 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x4529d9 RSP: 002b:00007fc3506d6c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc3506d5810 RCX: 00000000004529d9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000017 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 000000000000001c R13: 00000000204e3000 R14: 00007fc3506d76d4 R15: 0000000000000000 Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c4 08 00 00 41 c7 87 84 08 00 00 01 00 00 00 1f 44 00 00 65 8b 05 3f d7 aa 7e 89 c0 48 0f a3 05 c5 6c 08 RIP: lock_release+0x195/0xda0 kernel/locking/lockdep.c:4021 RSP: ffff88019433e7d8 CR2: fffffffffffffff8 ---[ end trace ab23749cd7ad522a ]---