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 CPU: 1 PID: 6899 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #281 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 a9 48 7c 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 57 07 73 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 89 fd 41 54 RSP: 0018:ffff8801daf07bd8 EFLAGS: 00010006 RAX: ffff8801b8adc0c0 RBX: 1ffff1003b5e0f7f RCX: ffffffff81385bcc RDX: 0000000000010000 RSI: ffffffff810bd1f9 RDI: ffff8801daf07c18 RBP: ffff8801daf07bd8 R08: ffff8801b8adc0c0 R09: ffffed003b5e5ba0 R10: ffffed003b5e5ba0 R11: ffff8801daf2dd07 R12: ffff8801daf07c58 R13: dffffc0000000000 R14: ffff8801b9f2b000 R15: ffff8801daf07c18 FS: 00007f1e8c944700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801daf07c18 CR3: 00000001d7f27000 CR4: 00000000001426e0 Call Trace: kvm_fastop_exception+0x50b/0x5455 loaded_vmcs_init arch/x86/kvm/vmx.c:2129 [inline] __loaded_vmcs_clear+0x2d6/0x690 arch/x86/kvm/vmx.c:2212 flush_smp_call_function_queue+0x1d2/0x640 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0x12f/0x650 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:886 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: 88 f2 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d f0 71 81 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 fc fc 4f f9 eb bb 0f 0b 0f 0b e8 9a c8 11 RSP: 0018:ffff8801d33bf508 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 RDX: 1ffffffff1263e51 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffff8801d33bf518 R08: ffff8801b8adc0c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d1b08dc0 R13: ffff8801d1b08600 R14: ffff8801daf2cb40 R15: 0000000000000001 try_to_wake_up+0x10a/0x12f0 kernel/sched/core.c:2055 wake_up_process kernel/sched/core.c:2123 [inline] wake_up_q+0xa4/0x100 kernel/sched/core.c:441 futex_wake+0x61f/0x760 kernel/futex.c:1556 do_futex+0x2e4/0x26d0 kernel/futex.c:3533 __do_sys_futex kernel/futex.c:3589 [inline] __se_sys_futex kernel/futex.c:3557 [inline] __x64_sys_futex+0x472/0x6a0 kernel/futex.c:3557 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1e8c943cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 000000000072c048 RCX: 0000000000457569 RDX: 00000000004c0027 RSI: 0000000000000081 RDI: 000000000072c04c RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072c04c R13: 00007fff5e405b9f R14: 00007f1e8c9449c0 R15: 0000000000000002 Modules linked in: ---[ end trace 0103a4acfcdb11c5 ]--- RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:353 Code: 45 10 50 e8 a9 48 7c 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 57 07 73 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 89 fd 41 54 RSP: 0018:ffff8801daf07bd8 EFLAGS: 00010006 RAX: ffff8801b8adc0c0 RBX: 1ffff1003b5e0f7f RCX: ffffffff81385bcc RDX: 0000000000010000 RSI: ffffffff810bd1f9 RDI: ffff8801daf07c18 RBP: ffff8801daf07bd8 R08: ffff8801b8adc0c0 R09: ffffed003b5e5ba0 R10: ffffed003b5e5ba0 R11: ffff8801daf2dd07 R12: ffff8801daf07c58 R13: dffffc0000000000 R14: ffff8801b9f2b000 R15: ffff8801daf07c18 FS: 00007f1e8c944700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801daf07c18 CR3: 00000001d7f27000 CR4: 00000000001426e0