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: 13 PID: 1150 Comm: NetworkManager Tainted: P        W  OE     5.16.8-200.fc35.x86_64 #1
Hardware name: Dell Inc. XPS 15 9510/0C6CP1, BIOS 1.7.0 12/09/2021
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:ffffad05818e3c80 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8abdfb6c6600 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffffa26bc854 RDI: ffff8abdfb6c6600
RBP: ffffad05818e3cc0 R08: 0000000000000001 R09: ffff8acd0f760cf0
R10: 0000000000000010 R11: f000000000000000 R12: ffff8abdcafc6a40
R13: ffff8abdcafc6740 R14: ffff8abdcafc6800 R15: ffff8abdcb7d0a00
FS:  00007f83d39c7c80(0000) GS:ffff8acd0f740000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001457b2004 CR4: 0000000000770ee0
PKRU: 55555554
Call Trace:
 <TASK>
 ? _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: 0033:0x7f83d49be84f
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:00007ffefaa97dc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83d49be84f
RDX: 0000000000000002 RSI: 00007ffefaa97df0 RDI: 0000000000000011
RBP: 00007ffefaa97fa0 R08: 0000000000000000 R09: 00007ffefaa97e60
R10: 0000000000000000 R11: 0000000000000293 R12: 0000560decc55cd0
R13: 0000000000000001 R14: 00007ffefaa97df0 R15: 0000000000000011
 </TASK>
Modules linked in: nfnetlink ip6table_filter ip6_tables iptable_filter qrtr bnep sunrpc vfat fat snd_hda_codec_hdmi snd_sof_pci_intel_tgl 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 snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi soundwire_bus snd_ctl_led snd_soc_core snd_hda_codec_realtek snd_hda_codec_generic snd_compress ac97_bus snd_pcm_dmaengine intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp dell_laptop ee1004 coretemp mei_hdcp mei_pxp snd_hda_intel iTCO_wdt pmt_telemetry intel_pmc_bxt snd_intel_dspcfg kvm_intel iTCO_vendor_support pmt_class intel_rapl_msr iwlmvm snd_intel_sdw_acpi snd_hda_codec kvm hci_uart snd_hda_core snd_hwdep mac80211 irqbypass btusb nvidia_drm(POE) btqca snd_seq intel_cstate nvidia_modeset(POE) btrtl snd_seq_device libarc4 nvidia_uvm(POE) intel_uncore uvcvideo btbcm snd_pcm videobuf2_vmalloc btintel videobuf2_memops
 videobuf2_v4l2 dell_wmi videobuf2_common ledtrig_audio hid_sensor_als snd_timer hid_sensor_trigger pcspkr dell_smbios iwlwifi dell_wmi_sysman bluetooth hid_sensor_iio_common dcdbas videodev firmware_attributes_class snd mei_me industrialio_triggered_buffer kfifo_buf cfg80211 i2c_i801 dell_wmi_descriptor processor_thermal_device_pci_legacy wmi_bmof soundcore i2c_smbus joydev thunderbolt mc nvidia(POE) industrialio mei idma64 processor_thermal_device processor_thermal_rfim processor_thermal_mbox intel_pmt processor_thermal_rapl intel_rapl_common ecdh_generic intel_soc_dts_iosf rfkill int3403_thermal soc_button_array dptf_power int340x_thermal_zone intel_skl_int3472 int3400_thermal intel_hid acpi_tad acpi_thermal_rel acpi_pad sparse_keymap zram ip_tables hid_sensor_hub intel_ishtp_hid r8152 mii i915 i2c_algo_bit hid_multitouch ttm drm_kms_helper rtsx_pci_sdmmc nvme mmc_core nvme_core cec crct10dif_pclmul crc32_pclmul crc32c_intel drm intel_ish_ipc ucsi_acpi ghash_clmulni_intel
 serio_raw rtsx_pci intel_ishtp vmd typec_ucsi typec wmi i2c_hid_acpi i2c_hid video pinctrl_tigerlake ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000000