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.
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kernel BUG at arch/x86/kvm/x86.c:353!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
kobject: 'kvm' (00000000ec16bd8a): kobject_uevent_env
CPU: 0 PID: 7560 Comm: syz-executor5 Not tainted 4.19.0-rc7-next-20181010+ #91
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'kvm' (00000000ec16bd8a): fill_kobj_path: path = '/devices/virtual/misc/kvm'
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:ffff8801cc52f380 EFLAGS: 00010093
RAX: ffff8801b9da4040 RBX: 1ffff100398a5e74 RCX: ffffffff8138fcac
kobject: 'loop3' (000000007be0666d): kobject_uevent_env
RDX: 0000000000000000 RSI: ffffffff810be879 RDI: ffff8801cc52f3c0
kobject: 'loop3' (000000007be0666d): fill_kobj_path: path = '/devices/virtual/block/loop3'
RBP: ffff8801cc52f380 R08: ffff8801b9da4040 R09: fffff520003f5047
R10: fffff520003f5047 R11: ffffc90001fa823b R12: ffff8801cc52f400
R13: dffffc0000000000 R14: ffff8801d3589000 R15: ffff8801cc52f3c0
FS:  0000000000c61940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8801cc52f3c0 CR3: 00000001d2612000 CR4: 00000000001426f0
kobject: 'loop2' (0000000006dc3d3b): kobject_uevent_env
Call Trace:
 kvm_fastop_exception+0x484/0x54da
kobject: 'loop2' (0000000006dc3d3b): fill_kobj_path: path = '/devices/virtual/block/loop2'
 loaded_vmcs_init arch/x86/kvm/vmx.c:2129 [inline]
 __loaded_vmcs_clear+0x2d6/0x690 arch/x86/kvm/vmx.c:2212
 generic_exec_single+0x379/0x5f0 kernel/smp.c:153
kobject: 'loop4' (00000000acb6d9a8): kobject_uevent_env
 smp_call_function_single+0x25a/0x660 kernel/smp.c:299
kobject: 'loop4' (00000000acb6d9a8): fill_kobj_path: path = '/devices/virtual/block/loop4'
 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
kobject: 'loop0' (00000000aa7d0825): kobject_uevent_env
kobject: 'loop0' (00000000aa7d0825): fill_kobj_path: path = '/devices/virtual/block/loop0'
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:751 [inline]
 kvm_put_kvm+0x6c8/0xff0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:772
 kvm_vcpu_release+0x7b/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2406
 __fput+0x3bc/0xa70 fs/file_table.c:279
 ____fput+0x15/0x20 fs/file_table.c:312
 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
kobject: 'loop1' (00000000ead8e8f5): kobject_uevent_env
kobject: 'loop1' (00000000ead8e8f5): fill_kobj_path: path = '/devices/virtual/block/loop1'
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x411051
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffccfac4320 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411051
RDX: 0000000000000000 RSI: 0000000000731ac8 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffccfac4250 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000005
kobject: 'kvm' (00000000ec16bd8a): kobject_uevent_env
Modules linked in:
---[ end trace 5206591a5b615e59 ]---
RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:353
kobject: 'kvm' (00000000ec16bd8a): 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:ffff8801cc52f380 EFLAGS: 00010093
RAX: ffff8801b9da4040 RBX: 1ffff100398a5e74 RCX: ffffffff8138fcac
RDX: 0000000000000000 RSI: ffffffff810be879 RDI: ffff8801cc52f3c0
RBP: ffff8801cc52f380 R08: ffff8801b9da4040 R09: fffff520003f5047
kobject: 'kvm' (00000000ec16bd8a): kobject_uevent_env
R10: fffff520003f5047 R11: ffffc90001fa823b R12: ffff8801cc52f400
R13: dffffc0000000000 R14: ffff8801d3589000 R15: ffff8801cc52f3c0
FS:  0000000000c61940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8801cc52f3c0 CR3: 00000001d2612000 CR4: 00000000001426f0