syzbot

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] PREEMPT SMP KASAN
CPU: 0 PID: 5556 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #285
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kvm_pv_send_ipi+0x364/0xdd0 arch/x86/kvm/lapic.c:574
Code: 45 84 ed 0f 84 da 07 00 00 e8 58 ad 65 00 48 8d 4b 14 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 89 8d 70 fe ff ff 48 c1 ea 03 <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f5
RSP: 0018:ffff8801b92a7028 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014
RDX: 0000000000000002 RSI: ffffffff8118fbf8 RDI: 0000000000000005
RBP: ffff8801b92a71c8 R08: ffff8801b91f6080 R09: 1ffffffff1273955
R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801b92a71a0
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801b92a7120
FS:  00007f3e3bdc6700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001cbf3f000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kvm_emulate_hypercall+0xa1a/0xf20 arch/x86/kvm/x86.c:6869
 handle_vmcall+0x15/0x20 arch/x86/kvm/vmx.c:7487
 vmx_handle_exit+0x2f7/0x17e0 arch/x86/kvm/vmx.c:10128
 vcpu_enter_guest+0x14a9/0x6380 arch/x86/kvm/x86.c:7667
 vcpu_run arch/x86/kvm/x86.c:7730 [inline]
 kvm_arch_vcpu_ioctl_run+0x375/0x16e0 arch/x86/kvm/x86.c:7930
 kvm_vcpu_ioctl+0x72b/0x1150 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: 0033:0x457569
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:00007f3e3bdc5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e3bdc66d4
R13: 00000000004c0027 R14: 00000000004d0108 R15: 00000000ffffffff
Modules linked in:
kobject: 'kvm' (00000000af64627b): kobject_uevent_env
kobject: 'kvm' (00000000af64627b): fill_kobj_path: path = '/devices/virtual/misc/kvm'
---[ end trace dd36b70cd0d7584f ]---
RIP: 0010:kvm_pv_send_ipi+0x364/0xdd0 arch/x86/kvm/lapic.c:574
Code: 45 84 ed 0f 84 da 07 00 00 e8 58 ad 65 00 48 8d 4b 14 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 89 8d 70 fe ff ff 48 c1 ea 03 <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f5
RSP: 0018:ffff8801b92a7028 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014
RDX: 0000000000000002 RSI: ffffffff8118fbf8 RDI: 0000000000000005
RBP: ffff8801b92a71c8 R08: ffff8801b91f6080 R09: 1ffffffff1273955
R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801b92a71a0
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801b92a7120
FS:  00007f3e3bdc6700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf0b287000 CR3: 00000001cbf3f000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400