*** Guest State ***
BUG: unable to handle kernel paging request at fffffffffffffff8
IP: __get_user_1+0x1c/0x30 arch/x86/lib/getuser.S:44
PGD 5e28067 P4D 5e28067 PUD 5e2a067 PMD 0 
Oops: 0002 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 22104 Comm: syz-executor0 Not tainted 4.15.0-rc1-mm1+ #28
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c3de0000 task.stack: ffff8801c3cc0000
RIP: 0010:__get_user_1+0x1c/0x30 arch/x86/lib/getuser.S:44
RSP: 0018:ffff8801c3cc7880 EFLAGS: 00010283
RAX: 0000000020001038 RBX: 0000000020001038 RCX: ffffffff8199d708
RDX: 00000000000000d6 RSI: ffffc90001827000 RDI: 0000000000000282
RBP: ffff8801c3cc78b0 R08: 0000000000000000 R09: 1ffff10038798ee5
R10: ffff8801c3de0000 R11: 0000000000000000 R12: 00000000000001a9
R13: 0000000020001199 R14: ffffffff852f3f40 R15: 00007ffffffff000
FS:  00007f1d54b4e700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001d8927000 CR4: 00000000001426e0
DR0: 0000000020001038 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 00000000000b0602
Call Trace:
 SYSC_bpf kernel/bpf/syscall.c:1693 [inline]
 SyS_bpf+0x276/0x4410 kernel/bpf/syscall.c:1685
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x4529d9
RSP: 002b:00007f1d54b4dc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 00000000004529d9
RDX: 00000000000001a9 RSI: 0000000020000ff0 RDI: 0000000000000007
RBP: 0000000000000390 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2620
R13: 00000000ffffffff R14: 00007f1d54b4e6d4 R15: 0000000000000005
Code: 28 92 fc 48 8b 45 f0 eb df 90 90 90 90 90 90 65 48 8b 14 25 40 65 01 00 48 3b 82 a0 15 00 00 0f 83 9f 00 00 00 0f 1f 00 0f b6 10 <31> c0 0f 1f 00 c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 48 
RIP: __get_user_1+0x1c/0x30 arch/x86/lib/getuser.S:44 RSP: ffff8801c3cc7880
CR2: fffffffffffffff8
---[ end trace a982291abc5d4902 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..