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: 1 PID: 1103 Comm: NetworkManager Tainted: P           OE     5.16.8-200.fc35.x86_64 #1
Hardware name: Micro-Star International Co., Ltd. GS66 Stealth 10UE/MS-16V3, BIOS E16V3IMS.107 01/04/2021
RIP: 0010:igmp6_group_dropped+0x24/0x230
Code: 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 48 83 ec 28 65 48 8b 04 25 28 00 00 00 48 89 44 24 20 48 8b 47 10 <4c> 8b 20 f6 47 01 0e 74 32 8b 87 a0 00 00 00 48 89 fb a8 04 75 44
RSP: 0018:ffffb774c224bc80 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff90d585d48600 RCX: 0000000000000000
RDX: ffff90d58d095280 RSI: ffffffffa76bc854 RDI: ffff90d585d48600
RBP: ffffb774c224bcc0 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000c R11: f000000000000000 R12: ffff90d5ac043a40
R13: ffff90d5ac043740 R14: ffff90d5ac043800 R15: ffff90d58b7bf600
FS:  00007fc563127c80(0000) GS:ffff90dd1e240000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000130668004 CR4: 00000000007706e0
PKRU: 55555554
Call Trace:
 <TASK>
 ? _raw_spin_lock_irqsave+0x26/0x50
 ? _raw_spin_unlock_irqrestore+0x25/0x40
 ? skb_dequeue+0x6d/0x80
 ipv6_mc_down+0x2c/0x190
 addrconf_ifdown.isra.0+0x4f8/0x6f0
 addrconf_sysctl_disable+0x102/0x180
 ? dev_disable_change+0x60/0x60
 proc_sys_call_handler+0x171/0x270
 new_sync_write+0x108/0x180
 vfs_write+0x209/0x2a0
 ksys_write+0x4f/0xc0
 do_syscall_64+0x38/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc56411e84f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 88 f8 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc 88 f8 ff 48
RSP: 002b:00007ffc73f3b8c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc56411e84f
RDX: 0000000000000002 RSI: 00007ffc73f3b8f0 RDI: 0000000000000011
RBP: 00007ffc73f3baa0 R08: 0000000000000000 R09: 00007ffc73f3b960
R10: 0000000000000000 R11: 0000000000000293 R12: 000055dfc6d04cd0
R13: 0000000000000001 R14: 00007ffc73f3b8f0 R15: 0000000000000011
 </TASK>
Modules linked in: 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 vfat fat 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 snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_codec_hdmi iwlmvm intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek iTCO_wdt intel_pmc_bxt ee1004 iTCO_vendor_support mei_hdcp intel_rapl_msr mac80211 gpio_keys snd_hda_codec_generic mei_pxp ledtrig_audio kvm_intel nvidia_drm(POE) libarc4 btusb nvidia_modeset(POE) snd_hda_intel kvm
 snd_usb_audio snd_intel_dspcfg snd_intel_sdw_acpi uvcvideo btrtl btbcm irqbypass videobuf2_vmalloc snd_hda_codec iwlwifi nvidia_uvm(POE) rapl snd_usbmidi_lib btintel videobuf2_memops snd_hda_core intel_cstate snd_rawmidi videobuf2_v4l2 snd_hwdep intel_uncore cfg80211 bluetooth pcspkr wmi_bmof snd_seq intel_wmi_thunderbolt videobuf2_common i2c_i801 msi_wmi snd_seq_device sparse_keymap i2c_smbus snd_pcm videodev thunderbolt mei_me snd_timer ecdh_generic processor_thermal_device_pci_legacy processor_thermal_device nvidia(POE) joydev mc mei rfkill snd idma64 processor_thermal_rfim processor_thermal_mbox processor_thermal_rapl intel_rapl_common soundcore intel_soc_dts_iosf intel_pch_thermal int3403_thermal int340x_thermal_zone int3400_thermal acpi_pad soc_button_array acpi_thermal_rel zram ip_tables i915 hid_multitouch i2c_algo_bit ttm drm_kms_helper cec crct10dif_pclmul mxm_wmi crc32_pclmul drm crc32c_intel igc nvme ghash_clmulni_intel nvme_core serio_raw i2c_hid_acpi i2c_hid
 wmi video pinctrl_cannonlake ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000