8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 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. ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:353! invalid opcode: 0000 [#1] PREEMPT SMP KASAN kobject: 'kvm' (0000000068ccc868): kobject_uevent_env CPU: 0 PID: 7560 Comm: syz-executor0 Not tainted 4.19.0-rc7-next-20181010+ #91 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:353 kobject: 'kvm' (0000000068ccc868): fill_kobj_path: path = '/devices/virtual/misc/kvm' Code: 45 10 50 e8 b9 db 7b 00 58 5a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 d7 81 72 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 49 89 f5 41 54 RSP: 0018:ffff8801ccf9f548 EFLAGS: 00010293 RAX: ffff8801cb482040 RBX: ffff8801ccf9f5c8 RCX: ffffffff8138fcac RDX: 0000000000000000 RSI: ffffffff810be879 RDI: ffff8801ccf9f588 kobject: 'loop5' (000000008dbe3967): kobject_uevent_env RBP: ffff8801ccf9f548 R08: ffff8801cb482040 R09: fffff520003f1046 R10: fffff520003f1046 R11: ffffc90001f88237 R12: 1ffff100399f3ead R13: ffff8801ccf9f588 R14: ffff8801d956f000 R15: ffff8801ba8cd000 FS: 00007f6822324700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop5' (000000008dbe3967): fill_kobj_path: path = '/devices/virtual/block/loop5' CR2: ffff8801ccf9f588 CR3: 00000001b9150000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_fastop_exception+0x49c/0x54da kobject: 'kvm' (0000000068ccc868): kobject_uevent_env vmx_vcpu_load+0x496/0x1030 arch/x86/kvm/vmx.c:3079 kobject: 'kvm' (0000000068ccc868): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000068ccc868): kobject_uevent_env kobject: 'kvm' (0000000068ccc868): kobject_uevent_env kvm_arch_vcpu_load+0x1d4/0x960 arch/x86/kvm/x86.c:3109 kobject: 'kvm' (0000000068ccc868): fill_kobj_path: path = '/devices/virtual/misc/kvm' vcpu_load+0x35/0x70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:164 kvm_arch_vcpu_ioctl_set_sregs+0x1a/0x40 arch/x86/kvm/x86.c:8269 kobject: 'kvm' (0000000068ccc868): fill_kobj_path: path = '/devices/virtual/misc/kvm' kvm_vcpu_ioctl+0x951/0x1150 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2645 ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:353! 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: 0033:0x457579 Code: 1d 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6822323c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 RDX: 00000000200003c0 RSI: 000000004138ae84 RDI: 0000000000000005 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68223246d4 R13: 00000000004c0273 R14: 00000000004d0378 R15: 00000000ffffffff Modules linked in: invalid opcode: 0000 [#2] PREEMPT SMP KASAN ---[ end trace 7f7607493917c8a1 ]--- CPU: 1 PID: 7567 Comm: syz-executor5 Tainted: G D 4.19.0-rc7-next-20181010+ #91 RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:353 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:353 Code: 45 10 50 e8 b9 db 7b 00 58 5a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 d7 81 72 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 49 89 f5 41 54 RSP: 0018:ffff8801ba69f380 EFLAGS: 00010093 Code: 45 10 50 e8 b9 db 7b 00 58 5a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 d7 81 72 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 49 89 f5 41 54 RAX: ffff8801cbfec240 RBX: 1ffff100374d3e74 RCX: ffffffff8138fcac RDX: 0000000000000000 RSI: ffffffff810be879 RDI: ffff8801ba69f3c0 RBP: ffff8801ba69f380 R08: ffff8801cbfec240 R09: fffff520003f9847 R10: fffff520003f9847 R11: ffffc90001fcc23b R12: ffff8801ba69f400 R13: dffffc0000000000 R14: ffff8801d916e000 R15: ffff8801ba69f3c0 FS: 0000000001af0940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RSP: 0018:ffff8801ccf9f548 EFLAGS: 00010293 CR2: ffff8801ba69f3c0 CR3: 00000001cf1a8000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_fastop_exception+0x484/0x54da loaded_vmcs_init arch/x86/kvm/vmx.c:2129 [inline] __loaded_vmcs_clear+0x2d6/0x690 arch/x86/kvm/vmx.c:2212 RAX: ffff8801cb482040 RBX: ffff8801ccf9f5c8 RCX: ffffffff8138fcac RDX: 0000000000000000 RSI: ffffffff810be879 RDI: ffff8801ccf9f588 RBP: ffff8801ccf9f548 R08: ffff8801cb482040 R09: fffff520003f1046 generic_exec_single+0x379/0x5f0 kernel/smp.c:153 R10: fffff520003f1046 R11: ffffc90001f88237 R12: 1ffff100399f3ead R13: ffff8801ccf9f588 R14: ffff8801d956f000 R15: ffff8801ba8cd000 smp_call_function_single+0x25a/0x660 kernel/smp.c:299 FS: 00007f6822324700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801ccf9f588 CR3: 00000001b9150000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 loaded_vmcs_clear arch/x86/kvm/vmx.c:2221 [inline] free_loaded_vmcs+0x13c/0x1b0 arch/x86/kvm/vmx.c:4746 vmx_free_vcpu+0x211/0x2f0 arch/x86/kvm/vmx.c:10982 kvm_arch_vcpu_free arch/x86/kvm/x86.c:8457 [inline] kvm_free_vcpus arch/x86/kvm/x86.c:8909 [inline] kvm_arch_destroy_vm+0x365/0x7c0 arch/x86/kvm/x86.c:9006 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400