Bearer <> rejected, not supported in standalone mode
kvm: pic: non byte read
BUG: unable to handle kernel paging request at 000000009bac8456
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:
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Modules linked in:
CPU: 0 PID: 5282 Comm: syz-executor4 Not tainted 4.15.0-rc1-next-20171201+ #57
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: 00000000aec8ff4d task.stack: 00000000b2f5be93
RIP: 0010:__get_user_4+0x1e/0x30 arch/x86/lib/getuser.S:72
RSP: 0018:ffff8801c69f7c98 EFLAGS: 00010283
RAX: 0000000020000007 RBX: fffffffffffffff2 RCX: ffffffff8199e758
RDX: 0000000000000078 RSI: ffffc9000376d000 RDI: 0000000000000282
RBP: ffff8801c69f7f10 R08: ffff8801db41f740 R09: 1ffff10038d3ef68
R10: ffff8801919ec4c0 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000020000000 R14: ffff8801c69f7e48 R15: 0000000000000000
FS:  00007f8945789700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001cc3af000 CR4: 00000000001426f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 00000000000b0602
Call Trace:
 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9825
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x4529d9
RSP: 002b:00007f8945788c58 EFLAGS: 00000212 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 00000000004529d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00000000000005a8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000212 R12: 00000000006f5860
R13: 00000000ffffffff R14: 00007f89457896d4 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: ffff8801c69f7c98
CR2: fffffffffffffff8
---[ end trace 8461d08d2284fad0 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..