WARNING: CPU: 0 PID: 9 at kernel/events/core.c:1833 perf_group_attach+0x3f6/0x4c0 kernel/events/core.c:1833 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.62 #36 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x263/0x507 kernel/panic.c:185 __warn.cold+0x20/0x4a kernel/panic.c:540 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1035 RIP: 0010:perf_group_attach+0x3f6/0x4c0 kernel/events/core.c:1833 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 27 ff ff ff e8 ba 37 ec ff <0f> 0b e9 5c fd ff ff e8 4e ca 22 00 e9 b9 fc ff ff 48 c7 c7 c0 f7 RSP: 0018:ffff8880ae807ea8 EFLAGS: 00010006 RAX: ffff8880aa226240 RBX: ffff8880a56fb480 RCX: ffffffff817f14f8 RDX: 0000000000010100 RSI: ffffffff817f1816 RDI: ffff8880a56fb698 RBP: ffff8880ae807ed8 R08: ffff8880aa226240 R09: ffffed1015d064c2 R10: ffffed1015d064c1 R11: ffff8880ae83260b R12: ffff88805cf685c0 R13: ffffe8ffffc143d0 R14: 0000000000000000 R15: ffff8880ae832608 add_event_to_ctx kernel/events/core.c:2391 [inline] __perf_install_in_context+0x4b5/0x960 kernel/events/core.c:2532 remote_function kernel/events/core.c:87 [inline] remote_function+0x129/0x1a0 kernel/events/core.c:67 flush_smp_call_function_queue+0x147/0x4e0 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0x9d/0x450 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:913 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:kfree+0x183/0x220 mm/slab.c:3823 Code: 60 7e 0f 85 b6 fe ff ff e8 1b af 5e ff e9 ac fe ff ff e8 20 d2 ce ff 48 83 3d a0 8c d0 06 00 0f 84 9e 00 00 00 48 89 df 57 9d <0f> 1f 44 00 00 5b 41 5c 41 5d 41 5e 5d c3 4c 89 f2 4c 89 e6 4c 89 RSP: 0018:ffff8880aa237c58 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff04 RAX: 0000000000000007 RBX: 0000000000000282 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880aa226ac0 RDI: 0000000000000282 RBP: ffff8880aa237c78 R08: ffff8880aa226240 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888088b235c0 R13: ffff88812c3f01c0 R14: ffffffff818e1a92 R15: ffffffff818e19f0 shmem_destroy_callback+0xa2/0xc0 mm/shmem.c:3605 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:653 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645 smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Kernel Offset: disabled Rebooting in 86400 seconds..