Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000048
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 2 PID: 23385 Comm: tiny_tubular_ta Tainted: G          I        6.0.7-301.fc37.x86_64 #1
Hardware name: ASUSTeK COMPUTER INC. X556UA/X556UA, BIOS X556UA.410 01/24/2019
RIP: 0010:v4l2_release+0x27/0xd0 [videodev]
Code: 1f 40 00 0f 1f 44 00 00 41 54 45 31 e4 55 53 48 8b 46 20 8b 40 4c 25 ff ff 0f 00 48 8b 1c c5 e0 4e b9 c0 48 8b 83 a8 01 00 00 <48> 8b 40 48 48 85 c0 74 5f 48 8b 93 b0 04 00 00 48 89 f5 48 8b 7a
RSP: 0018:ffffbcd301773df8 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff9f6aeddf52b8 RCX: 000000f900000000
RDX: 00000000000000f9 RSI: ffff9f6996c76700 RDI: ffff9f6a63c1a860
RBP: 00000000000e001b R08: 0000000000000064 R09: 00000000002dc6c0
R10: ffffbcd301773e18 R11: 00000000fa83b2da R12: 0000000000000000
R13: ffff9f6a40eaa7a0 R14: ffff9f697dd949c0 R15: 0000000000000000
FS:  00007feff17fa6c0(0000) GS:ffff9f6bb1d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000048 CR3: 00000001026e4002 CR4: 00000000003706e0
Call Trace:
 <TASK>
 __fput+0x8e/0x250
 task_work_run+0x59/0x90
 exit_to_user_mode_prepare+0x1c8/0x1f0
 syscall_exit_to_user_mode+0x17/0x40
 do_syscall_64+0x67/0x80
 ? __vm_munmap+0x80/0x100
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff02712776d
Code: 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 93 e6 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007feff17f9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 00007fefad8c4e20 RCX: 00007ff02712776d
RDX: 00000000000039b1 RSI: 00007fefa405aac0 RDI: 000000000000001b
RBP: 000000000000001b R08: 0000000000000000 R09: 0000000000000004
R10: 00007fefa403c8c0 R11: 0000000000000246 R12: 00007fefad8c1000
R13: 0000000000000000 R14: 00007fefad8c1000 R15: 0000000000000000
 </TASK>
Modules linked in: cx231xx_alsa cx25840 cx231xx cx2341x tveeprom i2c_mux tls uinput 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 qrtr bnep sunrpc vfat fat snd_soc_avs snd_soc_hda_codec 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_hda_codec_hdmi snd_soc_core ath10k_pci snd_compress snd_hda_codec_realtek snd_hda_codec_generic ac97_bus ath10k_core snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi btusb snd_hda_codec intel_tcc_cooling btrtl mac80211 uvcvideo btbcm btintel x86_pkg_temp_thermal intel_powerclamp snd_hda_core coretemp btmtk videobuf2_vmalloc snd_hwdep videobuf2_memops videobuf2_v4l2 kvm_intel bluetooth snd_seq snd_seq_device
 videobuf2_common snd_pcm iTCO_wdt kvm intel_pmc_bxt iTCO_vendor_support processor_thermal_device_pci_legacy snd_timer videodev processor_thermal_device libarc4 processor_thermal_rfim mei_hdcp mei_pxp asus_nb_wmi snd asus_wmi joydev ath processor_thermal_mbox i2c_i801 mei_me processor_thermal_rapl ledtrig_audio intel_rapl_msr sparse_keymap rtsx_usb_ms intel_rapl_common irqbypass cfg80211 memstick rapl intel_cstate intel_uncore platform_profile pcspkr soundcore i2c_smbus rfkill mei mc idma64 intel_xhci_usb_role_switch intel_pch_thermal intel_soc_dts_iosf elan_i2c int3403_thermal int340x_thermal_zone acpi_pad int3400_thermal asus_wireless acpi_thermal_rel zram i915 rtsx_usb_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic drm_buddy uas drm_display_helper r8169 ghash_clmulni_intel serio_raw usb_storage cec rtsx_usb ttm wmi i2c_hid_acpi i2c_hid video ip6_tables ip_tables fuse
CR2: 0000000000000048