WARNING: CPU: 0 PID: 9 at kernel/events/core.c:1835 perf_group_attach+0x3fd/0x4d0 kernel/events/core.c:1835
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.1.0-rc4+ #61
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x45 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:perf_group_attach+0x3fd/0x4d0 kernel/events/core.c:1835
Code: ff 48 8d 7b 10 48 89 f8 48 c1 e8 03 42 80 3c 28 00 75 57 48 8b 5b 10 48 83 eb 10 49 39 dc 75 d4 e9 20 ff ff ff e8 43 b4 eb ff <0f> 0b e9 55 fd ff ff 48 c7 c7 d8 60 5e 89 e8 c0 bb 23 00 e9 5b fc
RSP: 0018:ffff8880ae807ea8 EFLAGS: 00010006
RAX: ffff8880aa268240 RBX: ffff88809128ad00 RCX: ffffffff8184d798
RDX: 0000000000010100 RSI: ffffffff8184dabd RDI: ffff88809128af18
RBP: ffff8880ae807ed8 R08: ffff8880aa268240 R09: ffffffff899ba008
R10: ffffffff899ba010 R11: 0000000000000001 R12: ffff8880a9822cc0
R13: ffffe8ffffc13780 R14: 0000000000000000 R15: ffff8880ae832048
 add_event_to_ctx kernel/events/core.c:2392 [inline]
 __perf_install_in_context+0x4b5/0x960 kernel/events/core.c:2533
 remote_function kernel/events/core.c:86 [inline]
 remote_function+0x12b/0x1a0 kernel/events/core.c:66
 flush_smp_call_function_queue+0x14a/0x500 kernel/smp.c:243
 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192
 smp_call_function_single_interrupt+0xa3/0x460 arch/x86/kernel/smp.c:296
 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline]
RIP: 0010:kmem_cache_free+0xab/0x260 mm/slab.c:3767
Code: e8 ea 28 00 00 84 c0 74 77 41 f7 c5 00 02 00 00 74 4f e8 a8 aa cd ff 48 83 3d 60 46 ea 06 00 0f 84 ae 01 00 00 4c 89 ef 57 9d <0f> 1f 44 00 00 4c 8b 6d 08 0f 1f 44 00 00 65 8b 05 00 31 59 7e 83
RSP: 0018:ffff8880aa277bf8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff04
RAX: 0000000000000007 RBX: ffff88808d6a0480 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880aa268ac0 RDI: 0000000000000282
RBP: ffff8880aa277c18 R08: ffff8880aa268240 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88821bc407c0
R13: 0000000000000282 R14: ffffffff81427aad R15: ffff8880aa277d28
 free_task_struct kernel/fork.c:162 [inline]
 free_task+0xdd/0x120 kernel/fork.c:457
 __put_task_struct+0x1fd/0x4e0 kernel/fork.c:730
 put_task_struct include/linux/sched/task.h:98 [inline]
 delayed_put_task_struct+0x1ec/0x340 kernel/exit.c:181
 __rcu_reclaim kernel/rcu/rcu.h:227 [inline]
 rcu_do_batch kernel/rcu/tree.c:2475 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2788 [inline]
 rcu_core+0x928/0x1390 kernel/rcu/tree.c:2769
 __do_softirq+0x266/0x95a kernel/softirq.c:293
 run_ksoftirqd kernel/softirq.c:655 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:647
 smpboot_thread_fn+0x6ab/0xa10 kernel/smpboot.c:164
 kthread+0x357/0x430 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..