IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details. kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 0 PID: 4981 Comm: syz-executor0 Not tainted 4.19.0-rc2-next-20180904+ #55 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_pv_send_ipi+0x582/0xaf0 arch/x86/kvm/lapic.c:582 Code: e0 07 83 c0 01 88 85 97 fe ff ff e8 e8 24 64 00 8b 85 b0 fe ff ff 44 01 e0 48 98 49 8d bc c7 18 02 00 00 48 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ed 03 00 00 49 8b 84 c7 18 02 00 00 48 8d b8 RSP: 0018:ffff8801cae57028 EFLAGS: 00010206 RAX: 0000000000000620 RBX: ffff8801cae57190 RCX: ffffffff8118b144 RDX: 0000000000000663 RSI: ffffffff8118b188 RDI: 0000000000003318 RBP: ffff8801cae571b8 R08: ffff8801cb78c600 R09: ffffed003b6046de R10: ffffed003b6046de R11: ffff8801db0236f3 R12: 0000000000000000 R13: ffff8801cae57110 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007feb0ac26700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001bf0aa000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_emulate_hypercall+0x9d7/0xea0 arch/x86/kvm/x86.c:6838 handle_vmcall+0x15/0x20 arch/x86/kvm/vmx.c:7478 vmx_handle_exit+0x2dd/0x1760 arch/x86/kvm/vmx.c:10115 vcpu_enter_guest+0x143c/0x61a0 arch/x86/kvm/x86.c:7630 vcpu_run arch/x86/kvm/x86.c:7693 [inline] kvm_arch_vcpu_ioctl_run+0x373/0x16d0 arch/x86/kvm/x86.c:7870 kvm_vcpu_ioctl+0x7b8/0x1280 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2590 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457099 Code: fd b4 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007feb0ac25c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007feb0ac266d4 RCX: 0000000000457099 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00000000009301e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cf730 R14: 00000000004c59b9 R15: 0000000000000002 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace eb9cef025b3714df ]--- RIP: 0010:kvm_pv_send_ipi+0x582/0xaf0 arch/x86/kvm/lapic.c:582 Code: e0 07 83 c0 01 88 85 97 fe ff ff e8 e8 24 64 00 8b 85 b0 fe ff ff 44 01 e0 48 98 49 8d bc c7 18 02 00 00 48 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ed 03 00 00 49 8b 84 c7 18 02 00 00 48 8d b8 RSP: 0018:ffff8801cae57028 EFLAGS: 00010206 RAX: 0000000000000620 RBX: ffff8801cae57190 RCX: ffffffff8118b144 RDX: 0000000000000663 RSI: ffffffff8118b188 RDI: 0000000000003318 RBP: ffff8801cae571b8 R08: ffff8801cb78c600 R09: ffffed003b6046de R10: ffffed003b6046de R11: ffff8801db0236f3 R12: 0000000000000000 R13: ffff8801cae57110 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007feb0ac26700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001bf0aa000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400