Backtrace

WARNING: CPU: 0 PID: 15007 at mm/vmalloc.c:3367 vfree.part.0+0x113/0x260
Modules linked in: v4l2loopback(OE) binfmt_misc uinput rfcomm snd_seq_dummy snd_hrtimer snd_seq 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 nf_tables nvidia_drm(POE) nvidia_modeset(POE) qrtr nvidia_uvm(POE) uhid bnep sunrpc nvidia(POE) snd_sof_pci_intel_skl snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_soc_acpi_intel_match iwlmvm snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation snd_soc_acpi crc8 soundwire_bus snd_soc_sdca snd_soc_avs snd_soc_hda_codec snd_hda_ext_core snd_soc_core mac80211 iTCO_wdt intel_uncore_frequency mei_hdcp snd_compress intel_pmc_bxt intel_uncore_frequency_common ee1004 iTCO_vendor_support mei_pxp ac97_bus
 snd_pcm_dmaengine intel_tcc_cooling x86_pkg_temp_thermal libarc4 intel_rapl_msr intel_powerclamp snd_hda_codec_hdmi btusb snd_hda_codec_generic btrtl coretemp iwlwifi btintel snd_hda_intel rapl intel_cstate asus_nb_wmi asus_wmi snd_intel_dspcfg btbcm sparse_keymap intel_uncore platform_profile wmi_bmof mei_me snd_intel_sdw_acpi btmtk cfg80211 snd_hda_codec i2c_i801 pcspkr drm_ttm_helper bluetooth i2c_smbus snd_hda_core snd_usb_audio processor_thermal_device_pci_legacy processor_thermal_device processor_thermal_wt_hint processor_thermal_rfim mei snd_usbmidi_lib processor_thermal_rapl rfkill snd_hwdep intel_rapl_common snd_ump processor_thermal_wt_req processor_thermal_power_floor snd_rawmidi vfat idma64 intel_pch_thermal snd_seq_device processor_thermal_mbox fat intel_xhci_usb_role_switch intel_soc_dts_iosf acpi_als industrialio_triggered_buffer int3403_thermal int340x_thermal_zone kfifo_buf industrialio intel_pmc_core pmt_telemetry pmt_class acpi_pad int3400_thermal intel_vsec asus_wireless
 acpi_thermal_rel joydev snd_aloop loop nfnetlink zram lz4hc_compress lz4_compress i915 i2c_algo_bit drm_buddy ttm drm_display_helper polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 hid_multitouch sha256_ssse3 mxm_wmi sha1_ssse3 cec i2c_hid_acpi i2c_hid video wmi serio_raw i2c_dev fuse snd_pcm snd_timer snd soundcore v4l2loopback_dc(OE) videodev mc
CPU: 0 UID: 1000 PID: 15007 Comm: VideoDevicePoll Tainted: P           OE       6.15.4-200.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
Hardware name: ASUSTeK COMPUTER INC. UX410UQK/UX410UQK, BIOS UX410UQK.311 04/17/2019
RIP: 0010:vfree.part.0+0x113/0x260
Code: 48 8b 7b 20 e8 7e 13 02 00 48 89 df 48 83 c4 20 5b 5d 41 5c 41 5e e9 5c 0e 02 00 48 89 ee 48 c7 c7 00 c4 a5 b6 e8 ed 92 ca ff <0f> 0b 48 83 c4 20 5b 5d 41 5c 41 5e c3 cc cc cc cc 85 c0 0f 84 21
RSP: 0018:ffffcfc085f6bc70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff893f41acd000 RCX: 0000000000000027
RDX: ffff89429ec1cb88 RSI: 0000000000000001 RDI: ffff89429ec1cb80
RBP: ffffcfc096e23000 R08: 0000000000000000 R09: ffffcfc085f6bb18
R10: ffffffffb753bb88 R11: 00000000ffffdfff R12: ffff893f42c065b8
R13: ffff8940d5bd13a0 R14: ffff893f4041fb40 R15: 0000000000000000
FS:  00007fdae8d4b6c0(0000) GS:ffff8942e6871000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd916bf0000 CR3: 00000001a3194005 CR4: 00000000003706f0
Call Trace:
 <TASK>
 v4l2_loopback_close+0x8b/0xf0 [v4l2loopback_dc]
 v4l2_release+0xd1/0x100 [videodev]
 __fput+0xe3/0x2a0
 __x64_sys_close+0x3d/0x80
 do_syscall_64+0x7b/0x160
 ? do_filp_open+0xd8/0x180
 ? alloc_fd+0xbd/0x110
 ? do_sys_openat2+0xa2/0xe0
 ? __x64_sys_openat+0x61/0xa0
 ? syscall_exit_to_user_mode+0x10/0x210
 ? do_syscall_64+0x87/0x160
 ? __x64_sys_openat+0x61/0xa0
 ? syscall_exit_to_user_mode+0x10/0x210
 ? do_syscall_64+0x87/0x160
 ? common_interrupt+0x47/0xa0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fdb71e559cc
Code: 0f 05 48 3d 00 f0 ff ff 77 3c c3 0f 1f 00 55 48 89 e5 48 83 ec 10 89 7d fc e8 f0 98 f8 ff 8b 7d fc 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2c 89 d7 89 45 fc e8 52 99 f8 ff 8b 45 fc c9
RSP: 002b:00007fdae8d4a3f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00000000000000e6 RCX: 00007fdb71e559cc
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000e6
RBP: 00007fdae8d4a400 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdaea5f62f0 R15: 00007fdae8d4a4f0
 </TASK>