BUG: unable to handle kernel paging request at 00000000bd3d80c6
IP: ttwu_do_wakeup+0xa4/0x710 kernel/sched/core.c:1677
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: 7527 Comm: syz-executor6 Not tainted 4.15.0-rc1-next-20171130+ #56
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: 000000003eb77d02 task.stack: 00000000d1417f62
RIP: 0010:ttwu_do_wakeup+0xa4/0x710 kernel/sched/core.c:1677
RSP: 0018:ffff8801db507820 EFLAGS: 00010046
RAX: 1ffff10038891891 RBX: ffff8801db527900 RCX: ffff8801db5282e8
RDX: 1ffff1003b6a5062 RSI: ffff8801db527918 RDI: ffff8801c448c488
RBP: ffff8801db507900 R08: ffff8801db5279c0 R09: ffff8801c26b0230
R10: 1ffff1003b6a0edf R11: 1ffff100388918d1 R12: 1ffff1003b6a0f07
R13: ffff8801c448c480 R14: ffff8801db5078d8 R15: dffffc0000000000
FS:  00007fed5a4d1700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001c447d000 CR4: 00000000001426e0
Call Trace:
 <IRQ>
 ttwu_do_activate+0x151/0x200 kernel/sched/core.c:1722
 ttwu_queue kernel/sched/core.c:1866 [inline]
 try_to_wake_up+0xa8d/0x1600 kernel/sched/core.c:2079
 wake_up_process+0x10/0x20 kernel/sched/core.c:2152
 hrtimer_wakeup+0x48/0x60 kernel/time/hrtimer.c:1598
 __run_hrtimer kernel/time/hrtimer.c:1348 [inline]
 __hrtimer_run_queues+0x373/0xea0 kernel/time/hrtimer.c:1411
 hrtimer_interrupt+0x2a5/0x6f0 kernel/time/hrtimer.c:1469
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline]
 smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050
 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:907
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline]
RIP: 0010:text_poke+0x36c/0x530 arch/x86/kernel/alternative.c:731
RSP: 0018:ffff8801c1cb6990 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff11
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000006
RDX: 1ffffffff0bd9741 RSI: 1ffff100384d6155 RDI: 0000000000000282
RBP: ffff8801c1cb69d0 R08: 1ffff10038396d00 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff814c61d4
R13: ffff8801c1cb6a10 R14: 0000000000000001 R15: ffffffff85bec518
 text_poke_bp+0xa8/0x170 arch/x86/kernel/alternative.c:805
 __jump_label_transform.isra.0+0x6a5/0x8a0 arch/x86/kernel/jump_label.c:102
 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:110
 __jump_label_update+0x207/0x2d0 kernel/jump_label.c:368
 jump_label_update+0x22c/0x2b0 kernel/jump_label.c:735
 static_key_slow_dec_cpuslocked+0x176/0x1d0 kernel/jump_label.c:204
 __static_key_slow_dec kernel/jump_label.c:214 [inline]
 static_key_slow_dec+0x56/0x90 kernel/jump_label.c:228
 tracepoint_remove_func kernel/tracepoint.c:252 [inline]
 tracepoint_probe_unregister+0x70d/0x870 kernel/tracepoint.c:323
 trace_event_reg+0xed/0x320 kernel/trace/trace_events.c:309
 perf_trace_event_unreg.isra.2+0xad/0x1f0 kernel/trace/trace_event_perf.c:155
 perf_trace_destroy+0xbc/0x100 kernel/trace/trace_event_perf.c:236
 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:7940
 _free_event+0x3bd/0x10f0 kernel/events/core.c:4104
 put_event+0x24/0x30 kernel/events/core.c:4187
 perf_event_release_kernel+0x407/0xc10 kernel/events/core.c:4288
 perf_release+0x37/0x50 kernel/events/core.c:4298
 __fput+0x333/0x7f0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ae0 kernel/exit.c:869
 do_group_exit+0x149/0x400 kernel/exit.c:972
 get_signal+0x73f/0x16c0 kernel/signal.c:2335
 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264
 entry_SYSCALL_64_fastpath+0x94/0x96
RIP: 0033:0x4529d9
RSP: 002b:00007fed5a4d0ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00000000007581b8 RCX: 00000000004529d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000007581b8
RBP: 00000000007581b8 R08: 0000000000000457 R09: 0000000000758190
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000a6f7ff R14: 00007fed5a4d19c0 R15: 0000000000000016
Code: f2 c7 40 10 f3 f3 f3 f3 e8 2a fc ff ff 49 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 46 06 00 00 49 c7 45 08 00 00 00 00 <cc> a0 01 00 00 65 8b 05 30 cf b4 7e 89 c0 48 0f a3 05 36 64 12 
RIP: ttwu_do_wakeup+0xa4/0x710 kernel/sched/core.c:1677 RSP: ffff8801db507820
CR2: fffffffffffffff8
---[ end trace 6b715e05119fafe7 ]---