netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'. ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:7182! netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'. invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 9974 Comm: syz-executor3 Not tainted 4.14.0-rc8+ #165 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d655c500 task.stack: ffff8801d5318000 RIP: 0010:complete_emulated_mmio+0x5c2/0x6f0 arch/x86/kvm/x86.c:7182 RSP: 0018:ffff8801d531f620 EFLAGS: 00010216 RAX: 0000000000010000 RBX: ffff8801bec00900 RCX: ffffc90001fae000 RDX: 0000000000000097 RSI: ffffffff810d5db2 RDI: ffff8801bec00b20 RBP: ffff8801d531f660 R08: 0000000000000000 R09: ffffed003aa63f2c R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff810d57f0 R13: ffff8801c9124000 R14: ffff8801dad4e000 R15: ffff8801bec00900 FS: 00007f97d5a7a700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020f9e000 CR3: 00000001c912b000 CR4: 00000000001426f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: kvm_arch_vcpu_ioctl_run+0x2e07/0x5c70 arch/x86/kvm/x86.c:7261 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2551 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x452869 RSP: 002b:00007f97d5a79be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452869 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 000000000000001b R13: 0000000020005000 R14: 00007f97d5a7a6d4 R15: 0000000000000002 Code: 01 00 00 00 48 89 df e8 0d 9a 47 00 44 89 e6 4c 89 f7 45 31 e4 e8 8f 3f 4d 00 45 85 ed 41 0f 94 c4 e9 5f fc ff ff e8 1e 64 60 00 <0f> 0b e8 d7 2c 95 00 e9 9c fa ff ff 89 45 c8 e8 ca 2c 95 00 8b RIP: complete_emulated_mmio+0x5c2/0x6f0 arch/x86/kvm/x86.c:7182 RSP: ffff8801d531f620 ---[ end trace 4793b8cc47a61483 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..