IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
------------[ cut here ]------------
Bad or missing usercopy whitelist? Kernel memory exposure attempt detected from SLAB object 'kvm_vcpu' (offset 23192, size 8)!
WARNING: CPU: 0 PID: 5529 at mm/usercopy.c:81 usercopy_warn+0xdb/0x100 mm/usercopy.c:76
Kernel panic - not syncing: panic_on_warn set ...

IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
CPU: 0 PID: 5529 Comm: syz-executor1 Not tainted 4.16.0-rc5+ #355
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x24d lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
 report_bug+0x1f4/0x2b0 lib/bug.c:186
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986
RIP: 0010:usercopy_warn+0xdb/0x100 mm/usercopy.c:76
RSP: 0018:ffff8801bbc7f108 EFLAGS: 00010282
RAX: dffffc0000000008 RBX: ffffffff86c67f7f RCX: ffffffff815acd3e
RDX: 0000000000005d74 RSI: ffffc90002536000 RDI: 1ffff1003778fda6
RBP: ffff8801bbc7f160 R08: 1ffff1003778fd68 R09: 0000000000000000
R10: 0000000000002070 R11: 0000000000000000 R12: ffffffff86217a40
R13: ffffffff86321f80 R14: 0000000000005a98 R15: 0000000000000008
 __check_heap_object+0x89/0xc0 mm/slab.c:4426
 check_heap_object mm/usercopy.c:236 [inline]
 __check_object_size+0x272/0x530 mm/usercopy.c:259
 check_object_size include/linux/thread_info.h:112 [inline]
 __copy_to_user include/linux/uaccess.h:104 [inline]
 __kvm_write_guest_page+0x7f/0x130 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1828
 kvm_vcpu_write_guest_page arch/x86/kvm/../../../virt/kvm/kvm_main.c:1849 [inline]
 kvm_vcpu_write_guest+0x65/0xc0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1883
 kvm_write_guest_virt_system+0x7f/0x150 arch/x86/kvm/x86.c:4759
 handle_vmptrst+0x188/0x200 arch/x86/kvm/vmx.c:7929
 vmx_handle_exit+0x25d/0x1ce0 arch/x86/kvm/vmx.c:8965
 vcpu_enter_guest arch/x86/kvm/x86.c:7320 [inline]
 vcpu_run arch/x86/kvm/x86.c:7382 [inline]
 kvm_arch_vcpu_ioctl_run+0x1c93/0x5c80 arch/x86/kvm/x86.c:7549
 kvm_vcpu_ioctl+0x6f1/0xff0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2560
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x453e69
RSP: 002b:00007f66930dac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f66930db6d4 RCX: 0000000000453e69
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016
RBP: 000000000072c010 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000024a R14: 00000000006f3790 R15: 0000000000000002
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
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.16.0-rc5+ #355
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76
RSP: 0018:ffff8801db307e88 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 00000000001606e0 RCX: 0000000000000001
RDX: 1ffffffff0dd935c RSI: 0000000000000000 RDI: 00000000001606e0
RBP: ffff8801db307e88 R08: ffff8801db307f40 R09: ffff8801db307f80
R10: ffff88021fff8050 R11: ffff88021fff805d R12: 0000000000000082
R13: 1ffff1003b660fd4 R14: ffff8801d9b12300 R15: ffff8801db307fc0
FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000a44a40 CR3: 0000000006e22006 CR4: 00000000001626e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __write_cr4 arch/x86/include/asm/paravirt.h:77 [inline]
 __cr4_set arch/x86/include/asm/tlbflush.h:254 [inline]
 cr4_clear_bits arch/x86/include/asm/tlbflush.h:277 [inline]
 cpu_vmxoff arch/x86/include/asm/virtext.h:44 [inline]
 __cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:59 [inline]
 cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:67 [inline]
 smp_reboot_interrupt+0x3ea/0x510 arch/x86/kernel/smp.c:179
 reboot_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:850
 </IRQ>
RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54
RSP: 0018:ffff8801d9b1fcb0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff07
RAX: dffffc0000000000 RBX: 1ffff1003b363f99 RCX: ffffffff840fd025
RDX: 1ffffffff0dd9380 RSI: 0000000000000001 RDI: ffffffff86ec9c00
RBP: ffff8801d9b1fcb0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8801d9b1fd68 R14: ffffffff876e7e20 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0xbf/0x430 arch/x86/kernel/process.c:354
 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:345
 default_idle_call+0x36/0x90 kernel/sched/idle.c:98
 cpuidle_idle_call kernel/sched/idle.c:156 [inline]
 do_idle+0x24a/0x3b0 kernel/sched/idle.c:246
 cpu_startup_entry+0x104/0x120 kernel/sched/idle.c:351
 start_secondary+0x40a/0x590 arch/x86/kernel/smpboot.c:267
 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:239
Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d 
RIP: native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76 RSP: ffff8801db307e88
---[ end trace 09711cabb03cb058 ]---
Shutting down cpus with NMI
invalid opcode: 0000 [#2] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D          4.16.0-rc5+ #355
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:smp_stop_nmi_callback+0x279/0x560 arch/x86/kernel/smp.c:170
RSP: 0018:fffffe000003bb40 EFLAGS: 00010002
RAX: 00000000001626e0 RBX: 1fffffc000007769 RCX: 0000000000000020
RDX: dffffc0000000000 RSI: fffffe000003bbe8 RDI: fffffe000003bba8
RBP: fffffe000003bcd0 R08: fffffe000003bc28 R09: fffffe000003bc68
R10: ffff88021fff8050 R11: ffff88021fff805d R12: 1fffffc000007785
R13: fffffe000003bca8 R14: 1fffffc000007775 R15: 1fffffc00000777d
FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000a44a40 CR3: 0000000006e22006 CR4: 00000000001626e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 nmi_handle+0x23b/0x5f0 arch/x86/kernel/nmi.c:137
 default_do_nmi+0x6d/0x150 arch/x86/kernel/nmi.c:335
 do_nmi+0x205/0x2c0 arch/x86/kernel/nmi.c:521
 end_repeat_nmi+0x16/0x1a
RIP: 0010:panic_smp_self_stop+0xb/0x80
RSP: 0018:ffff8801db307c68 EFLAGS: 00000006
RAX: ffff8801d9b12300 RBX: ffffffff86c4488b RCX: ffffffff8141a0e9
RDX: 0000000000010000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8801db307c68 R08: 0000000000000000 R09: 1ffff1003b660f68
R10: ffff8801db307d40 R11: ffffffff86f42dc0 R12: ffff8801db307d40
R13: ffff8801db307d00 R14: dffffc0000000000 R15: 0000000000000000
 </NMI>
 <IRQ>
 panic+0xec/0x41c kernel/panic.c:170
 oops_end+0xd2/0xe0 arch/x86/kernel/dumpstack.c:293
 die+0x3d/0x50 arch/x86/kernel/dumpstack.c:356
 do_general_protection+0x34e/0x3e0 arch/x86/kernel/traps.c:560
 general_protection+0x25/0x50 arch/x86/entry/entry_64.S:1150
RIP: 0010:native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76
RSP: 0018:ffff8801db307e88 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 00000000001606e0 RCX: 0000000000000001
RDX: 1ffffffff0dd935c RSI: 0000000000000000 RDI: 00000000001606e0
RBP: ffff8801db307e88 R08: ffff8801db307f40 R09: ffff8801db307f80
R10: ffff88021fff8050 R11: ffff88021fff805d R12: 0000000000000082
R13: 1ffff1003b660fd4 R14: ffff8801d9b12300 R15: ffff8801db307fc0
 __write_cr4 arch/x86/include/asm/paravirt.h:77 [inline]
 __cr4_set arch/x86/include/asm/tlbflush.h:254 [inline]
 cr4_clear_bits arch/x86/include/asm/tlbflush.h:277 [inline]
 cpu_vmxoff arch/x86/include/asm/virtext.h:44 [inline]
 __cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:59 [inline]
 cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:67 [inline]
 smp_reboot_interrupt+0x3ea/0x510 arch/x86/kernel/smp.c:179
 reboot_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:850
 </IRQ>
RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54
RSP: 0018:ffff8801d9b1fcb0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff07
RAX: dffffc0000000000 RBX: 1ffff1003b363f99 RCX: ffffffff840fd025
RDX: 1ffffffff0dd9380 RSI: 0000000000000001 RDI: ffffffff86ec9c00
RBP: ffff8801d9b1fcb0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8801d9b1fd68 R14: ffffffff876e7e20 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0xbf/0x430 arch/x86/kernel/process.c:354
 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:345
 default_idle_call+0x36/0x90 kernel/sched/idle.c:98
 cpuidle_idle_call kernel/sched/idle.c:156 [inline]
 do_idle+0x24a/0x3b0 kernel/sched/idle.c:246
 cpu_startup_entry+0x104/0x120 kernel/sched/idle.c:351
 start_secondary+0x40a/0x590 arch/x86/kernel/smpboot.c:267
 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:239
Code: 00 00 00 00 48 83 e7 f8 48 29 fb 8d 4b 2c c1 e9 03 f3 48 ab 48 81 c4 68 01 00 00 b8 01 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 01 c4 48 c7 c7 e0 9b ec 86 48 89 f8 48 c1 e8 03 80 3c 10 00 
RIP: smp_stop_nmi_callback+0x279/0x560 arch/x86/kernel/smp.c:170 RSP: fffffe000003bb40
Dumping ftrace buffer:
---[ end trace 09711cabb03cb059 ]---
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..