------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at kernel/events/core.c:1691 perf_group_attach kernel/events/core.c:1691 [inline]
WARNING: CPU: 0 PID: 0 at kernel/events/core.c:1691 add_event_to_ctx+0x84a/0xa70 kernel/events/core.c:2292
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.155-syzkaller #0
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xe5/0x154 lib/dump_stack.c:58
 panic+0x1f1/0x3da kernel/panic.c:183
 __warn.cold+0x2f/0x33 kernel/panic.c:547
 report_bug+0x20a/0x248 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bf/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:perf_group_attach kernel/events/core.c:1691 [inline]
RIP: 0010:add_event_to_ctx+0x84a/0xa70 kernel/events/core.c:2292
RSP: 0018:ffff8881db807ec8 EFLAGS: 00010006
RAX: ffffffff91430d40 RBX: ffff88819e324400 RCX: 1ffff1103b705b1f
RDX: 0000000000010000 RSI: 00000000ffffffff RDI: ffff88819e324608
RBP: ffff8881a2ab8880 R08: 00000000000020e5 R09: ffffed103b705b02
R10: ffffed103b705b01 R11: ffff8881db82d80b R12: ffff8881db830fc0
R13: ffff8881a2ab890c R14: ffff8881db82d8f0 R15: ffff8881db82d8f0
 __perf_install_in_context+0x241/0x2f0 kernel/events/core.c:2439
 remote_function kernel/events/core.c:87 [inline]
 remote_function+0x110/0x190 kernel/events/core.c:67
 flush_smp_call_function_queue+0xae/0x320 kernel/smp.c:243
 smp_call_function_single_interrupt+0xc7/0x530 arch/x86/kernel/smp.c:304
 call_function_single_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:814
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x2b/0x50 kernel/locking/spinlock.c:200
RSP: 0018:ffffffff91407c18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04
RAX: 0000000000000007 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff9143156c
RBP: ffff8881db829240 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881db829240
R13: ffff8881d4d2c680 R14: 0000000000000000 R15: ffffffff91430d40
 finish_lock_switch kernel/sched/sched.h:1487 [inline]
 finish_task_switch+0x204/0x660 kernel/sched/core.c:2734
 context_switch kernel/sched/core.c:2870 [inline]
 __schedule+0x894/0x1f80 kernel/sched/core.c:3455
 schedule_idle+0x58/0x80 kernel/sched/core.c:3526
 do_idle+0x22a/0x390 kernel/sched/idle.c:292
 cpu_startup_entry+0xc6/0xd0 kernel/sched/idle.c:374
 start_kernel+0x858/0x890 init/main.c:733
 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240
Kernel Offset: 0xe000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..