device gre0 entered promiscuous mode
BUG: unable to handle kernel paging request at 00000000a8f11c76
IP: __get_user_4+0x1e/0x30 arch/x86/lib/getuser.S:72
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: 11085 Comm: syz-executor2 Not tainted 4.15.0-rc1-mm1+ #29
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: 00000000f161c77a task.stack: 0000000004801df2
RIP: 0010:__get_user_4+0x1e/0x30 arch/x86/lib/getuser.S:72
RSP: 0018:ffff8801c1097c98 EFLAGS: 00010283
RAX: 0000000020000007 RBX: fffffffffffffff2 RCX: ffffffff8199eeb8
RDX: 0000000000000078 RSI: ffffc90001fc6000 RDI: 0000000000000282
RBP: ffff8801c1097f10 R08: 0000000000000000 R09: 1ffff10038212f68
R10: ffff8801942ee500 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000020000000 R14: ffff8801c1097e48 R15: 0000000000000000
FS:  00007fe79f86c700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001d92ae000 CR4: 00000000001426e0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 00000000000b0602
Call Trace:
 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9832
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x4529d9
RSP: 002b:00007fe79f86bc58 EFLAGS: 00000212 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 00000000004529d9
RDX: fffffdffffffffff RSI: 0000000000000000 RDI: 0000000020000000
RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000212 R12: 00000000006f2728
R13: 00000000ffffffff R14: 00007fe79f86c6d4 R15: 0000000000000000
Code: 00 c3 90 66 2e 0f 1f 84 00 00 00 00 00 48 83 c0 03 72 4f 65 48 8b 14 25 40 65 01 00 48 3b 82 a0 15 00 00 73 3d 0f 1f 00 8b 50 fd <31> c0 0f 1f 00 c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 83 c0 
RIP: __get_user_4+0x1e/0x30 arch/x86/lib/getuser.S:72 RSP: ffff8801c1097c98
CR2: fffffffffffffff8
---[ end trace 252c2d6e55c9290b ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..