Backtrace

WARNING: CPU: 1 PID: 0 at kernel/sched/fair.c:380 enqueue_task_fair+0x23b/0x4c0
Modules linked in: xt_statistic ipt_REJECT nf_reject_ipv4 ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs xt_comment xt_mark veth uinput xt_nat xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype br_netfilter overlay tun bridge stp llc rfkill ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter vboxsf sunrpc squashfs zstd_decompress loop snd_intel8x0 snd_ac97_codec ac97_bus snd_seq intel_rapl_msr snd_seq_device snd_pcm intel_rapl_common joydev crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_timer snd intel_rapl_perf vboxguest pcspkr i2c_piix4 soundcore ip_tables vmwgfx drm_kms_helper ttm drm crc32c_intel e1000 serio_raw ata_generic pata_acpi video fuse
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.6-300.fc32.x86_64 #1
Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
RIP: 0010:enqueue_task_fair+0x23b/0x4c0
Code: 60 09 00 00 0f 84 fe fe ff ff 80 3d ec 75 6f 01 00 0f 85 f1 fe ff ff 48 c7 c7 08 92 35 84 c6 05 d8 75 6f 01 01 e8 8c 11 fc ff <0f> 0b e9 d7 fe ff ff 8b b5 80 01 00 00 85 f6 0f 85 55 fe ff ff e9
RSP: 0018:ffffb993000a4e78 EFLAGS: 00010096
RAX: 000000000000002d RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000005 RSI: ffffffff8527446d RDI: 0000000000000046
RBP: ffff997f9712af00 R08: 0000153aeb41a899 R09: 000000000000002d
R10: 0000000080000001 R11: 0000000000000001 R12: ffff997f9712ae80
R13: ffff997f9712ae80 R14: 0000000000000000 R15: ffff997ec786cd00
FS:  0000000000000000(0000) GS:ffff997f97100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f915ba07000 CR3: 00000000d3492003 CR4: 00000000000606e0
Call Trace:
 <IRQ>
 try_to_wake_up+0x227/0x770
 ? __run_timers.part.0+0x1ad/0x240
 ? __hrtimer_init+0xd0/0xd0
 hrtimer_wakeup+0x1e/0x30
 __hrtimer_run_queues+0x118/0x280
 hrtimer_interrupt+0x10e/0x280
 smp_apic_timer_interrupt+0x6e/0x130
 apic_timer_interrupt+0xf/0x20
 </IRQ>
RIP: 0010:native_safe_halt+0xe/0x10
Code: 02 20 48 8b 00 a8 08 75 c4 e9 7b ff ff ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 06 66 5d 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d f6 65 5d 00 f4 c3 cc cc 0f 1f 44 00
RSP: 0018:ffffb9930006fee8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffffffff83a31f90 RBX: ffff997f9626a680 RCX: 0000000000000240
RDX: 0000000000000001 RSI: 0000000000000082 RDI: 0000000000000082
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000202
R10: 0000153aeb24ce1c R11: 0000000000018574 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 ? __sched_text_end+0x1/0x1
 ? tick_nohz_idle_stop_tick+0xb0/0xc0
 default_idle+0x1a/0x140
 do_idle+0x1cb/0x240
 cpu_startup_entry+0x19/0x20
 secondary_startup_64+0xb6/0xc0