Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 5 PID: 4162 Comm: kworker/u16:14 Tainted: P           OE     5.17.2-300.fc36.x86_64 #1
Hardware name: Acer Nitro AN515-55/Stonic_CMS, BIOS V2.06 08/20/2021
Workqueue: netns cleanup_net
RIP: 0010:xlate_dir+0x2f/0xa0
Code: 55 48 89 f5 53 48 8d 5f 08 48 83 ec 08 48 8b 76 38 48 85 f6 74 4a e8 e0 ff ff ff 48 89 c3 48 3d 00 f0 ff ff 77 3a 48 8b 45 00 <48> 8b 28 48 89 ef e8 c6 b1 2d 00 48 8b 73 50 48 89 ea 89 c1 48 89
RSP: 0018:ffffa00401ef3d38 EFLAGS: 00010287
RAX: 0000000000000000 RBX: ffffffff97019428 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff97019420
RBP: ffff90cc22318800 R08: ffff90cc22319350 R09: 0000000000000000
R10: ffff90cc223199d0 R11: 0000000000000000 R12: ffff90cc0188fa00
R13: ffff90cc0188fa00 R14: ffff90cc22318800 R15: ffff90cc0aefa1e0
FS:  0000000000000000(0000) GS:ffff90cd56540000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001c4e10001 CR4: 00000000007706e0
PKRU: 55555554
Call Trace:
 <TASK>
 put_links+0x35/0xe0
 drop_sysctl_table+0x38/0x150
 ? kmem_cache_free+0x278/0x2a0
 unregister_sysctl_table.part.0+0x3b/0x90
 ipv6_sysctl_net_exit+0x40/0x70
 ops_exit_list+0x30/0x70
 cleanup_net+0x20d/0x390
 process_one_work+0x1c4/0x380
 worker_thread+0x4d/0x380
 ? process_one_work+0x380/0x380
 kthread+0xe6/0x110
 ? kthread_complete_and_exit+0x20/0x20
 ret_from_fork+0x1f/0x30
 </TASK>
Modules linked in: tls uinput rfcomm snd_seq_dummy snd_hrtimer nvidia_drm(POE) nvidia_modeset(POE) nvidia_uvm(POE) nvidia(POE) 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 qrtr bnep sunrpc snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof soundwire_bus snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core iwlmvm intel_tcc_cooling snd_soc_sst_ipc x86_pkg_temp_thermal snd_soc_sst_dsp intel_powerclamp coretemp snd_soc_acpi_intel_match iTCO_wdt snd_soc_acpi mac80211 intel_pmc_bxt ee1004 mei_hdcp kvm_intel mei_pxp iTCO_vendor_support vfat snd_soc_core intel_rapl_msr fat kvm libarc4 snd_hda_codec_realtek snd_compress snd_hda_codec_generic irqbypass ledtrig_audio
 snd_hda_codec_hdmi ac97_bus rapl intel_cstate snd_pcm_dmaengine iwlwifi intel_uncore uvcvideo snd_hda_intel btusb iwlmei snd_intel_dspcfg snd_intel_sdw_acpi pcspkr btrtl intel_wmi_thunderbolt snd_hda_codec videobuf2_vmalloc btbcm acer_wmi videobuf2_memops btintel videobuf2_v4l2 sparse_keymap cfg80211 snd_hda_core wmi_bmof videobuf2_common btmtk i2c_i801 i2c_smbus r8169 bluetooth snd_hwdep videodev mei_me snd_seq snd_seq_device mei mc snd_pcm idma64 snd_timer joydev processor_thermal_device_pci_legacy ecdh_generic processor_thermal_device rfkill intel_pch_thermal snd processor_thermal_rfim processor_thermal_mbox processor_thermal_rapl soundcore intel_rapl_common intel_soc_dts_iosf int3400_thermal acer_wireless acpi_thermal_rel int3403_thermal int340x_thermal_zone acpi_pad zram i915 crct10dif_pclmul nvme crc32_pclmul hid_multitouch crc32c_intel nvme_core ghash_clmulni_intel serio_raw ttm i2c_hid_acpi i2c_hid wmi video pinctrl_cannonlake ip6_tables ip_tables ipmi_devintf
 ipmi_msghandler fuse
CR2: 0000000000000000