Backtrace

WARNING: CPU: 4 PID: 1092 at kernel/rcu/tree_plugin.h:316 rcu_note_context_switch+0x591/0x5d0
Modules linked in: ib_core tun uas usb_storage ftdi_sio rfcomm snd_seq_dummy snd_hrtimer nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) qrtr bnep binfmt_misc nct6775 hwmon_vid sunrpc squashfs loop snd_hda_codec_realtek intel_rapl_msr intel_rapl_common snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi iwlmvm snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio uvcvideo snd_hda_codec mac80211 videobuf2_vmalloc joydev snd_hda_core videobuf2_memops snd_usbmidi_lib btusb edac_mce_amd btrtl snd_rawmidi btbcm snd_hwdep videobuf2_v4l2 kvm_amd btintel videobuf2_common libarc4 snd_seq kvm bluetooth snd_seq_device iwlwifi irqbypass videodev snd_pcm rapl mc ecdh_generic cfg80211 snd_timer snd wmi_bmof i2c_piix4 k10temp
 pcspkr soundcore rfkill zram ip_tables hid_logitech_hidpp hid_logitech_dj amdgpu drm_ttm_helper ttm iommu_v2 gpu_sched i2c_algo_bit drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel nvme sp5100_tco r8169 ccp nvme_core wmi video ipmi_devintf ipmi_msghandler fuse
CPU: 4 PID: 1092 Comm: systemd-resolve Tainted: G      D    OE     5.16.19-200.fc35.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./A300M-STX, BIOS P3.60 10/28/2019
RIP: 0010:rcu_note_context_switch+0x591/0x5d0
Code: 08 4d 89 be 40 08 00 00 49 89 b6 48 08 00 00 48 89 3e e9 6f fd ff ff 48 c7 c7 d0 3a 5e 93 c6 05 a7 50 fb 01 01 e8 59 5d ad 00 <0f> 0b e9 c6 fa ff ff 0f 0b e9 a2 fc ff ff 0f 0b e9 a1 fd ff ff 0f
RSP: 0018:ffffad01806efd28 EFLAGS: 00010092
RAX: 000000000000003f RBX: ffff91a9c0b32400 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffffffff936356f5 RDI: 00000000ffffffff
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffad01806efb68
R10: ffffad01806efb60 R11: ffffffff93f462a8 R12: ffffad01806efe40
R13: ffff91a2eb1aa880 R14: ffff91a9c0b31640 R15: ffff91a2eb1aa880
FS:  00007f3b66fdcb40(0000) GS:ffff91a9c0b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000033a01ed9a000 CR3: 000000022ce10000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ? check_preempt_curr+0x55/0x70
 __schedule+0x9e/0xfa0
 ? preempt_count_add+0x68/0xa0
 ? _raw_spin_lock_irqsave+0x26/0x50
 schedule+0x4e/0xc0
 synchronize_rcu_expedited+0x1ec/0x320
 ? kvfree_call_rcu+0x2b0/0x2b0
 ? do_wait_intr_irq+0xa0/0xa0
 ? umount_tree+0x227/0x320
 namespace_unlock+0xaa/0x170
 put_mnt_ns+0x67/0x90
 free_nsproxy+0x17/0x1b0
 do_exit+0x35f/0xb40
 ? ksys_write+0x87/0xc0
 rewind_stack_do_exit+0x17/0x17
RIP: 0033:0x7f3b67c68817
Code: Unable to access opcode bytes at RIP 0x7f3b67c687ed.
RSP: 002b:00007fff9b455d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055867fdd98d0 RCX: 00007f3b67c68817
RDX: 000000000000002c RSI: 000055867fdd9980 RDI: 0000000000000015
RBP: 0000558680308390 R08: 00007fff9b455ce4 R09: 000055867fd75420
R10: 00000000000005dc R11: 0000000000000246 R12: 0000000000000015
R13: 0000000000000002 R14: 000000000000002c R15: 000055867fdd9980
 </TASK>