Backtrace

WARNING: CPU: 0 PID: 457431 at mm/vmalloc.c:3416 vfree.part.0+0x102/0x290
Modules linked in: nvidia_uvm(OE) uinput rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device 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 qrtr bnep sunrpc intel_rapl_msr intel_rapl_common snd_sof_pci_intel_cnl snd_sof_intel_hda_generic intel_uncore_frequency intel_uncore_frequency_common binfmt_misc soundwire_intel snd_sof_intel_hda_sdw_bpt iwlmvm vfat snd_sof_intel_hda_common fat snd_soc_hdac_hda x86_pkg_temp_thermal snd_sof_intel_hda_mlink intel_powerclamp snd_sof_intel_hda coretemp soundwire_cadence snd_sof_pci kvm_intel snd_sof_xtensa_dsp nvidia_drm(OE) mac80211 snd_sof kvm nvidia_modeset(OE) snd_sof_utils snd_soc_acpi_intel_match snd_ctl_led snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation snd_soc_acpi spi_nor crc8 snd_hda_codec_alc269 soundwire_bus iTCO_wdt libarc4 intel_pmc_bxt irqbypass
 snd_hda_scodec_component ee1004 mtd iTCO_vendor_support mei_hdcp mei_pxp snd_soc_sdca rapl snd_hda_codec_realtek_lib squashfs snd_soc_avs intel_cstate btusb nvidia(OE) iwlwifi snd_hda_codec_generic snd_soc_hda_codec btrtl snd_hda_ext_core btintel uvcvideo acer_wmi btbcm snd_hda_codec_nvhdmi sparse_keymap uvc btmtk snd_hda_codec_hdmi intel_uncore cfg80211 snd_soc_core wmi_bmof intel_wmi_thunderbolt platform_profile videobuf2_vmalloc bluetooth snd_hda_intel videobuf2_memops pcspkr snd_compress videobuf2_v4l2 r8169 snd_hda_codec ac97_bus videobuf2_common i2c_i801 realtek spi_intel_pci snd_pcm_dmaengine rfkill spi_intel i2c_smbus mei_me snd_hda_core snd_intel_dspcfg mei snd_intel_sdw_acpi idma64 drm_ttm_helper intel_pmc_core snd_hwdep intel_pch_thermal pmt_telemetry pmt_discovery pmt_class intel_pmc_ssram_telemetry intel_vsec acpi_pad acer_wireless joydev v4l2loopback_dc(OE) videodev mc snd_aloop loop nfnetlink zram lz4hc_compress lz4_compress i915 i2c_algo_bit drm_buddy ttm nvme drm_display_helper nvme_core
 hid_multitouch nvme_keyring polyval_clmulni ghash_clmulni_intel nvme_auth cec i2c_hid_acpi video i2c_hid wmi intel_oc_wdt pinctrl_cannonlake serio_raw i2c_dev fuse snd_pcm snd_timer snd soundcore
CPU: 0 UID: 1000 PID: 457431 Comm: Discord Tainted: G           OE       6.17.10-100.fc41.x86_64 #1 PREEMPT(lazy) 
Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
Hardware name: Acer Nitro AN515-54/Octavia_CFS, BIOS V1.33 11/17/2020
RIP: 0010:vfree.part.0+0x102/0x290
Code: e8 73 20 02 00 48 89 df 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f e9 ad 1b 02 00 48 89 ee 48 c7 c7 10 9e 01 8a e8 1e 98 ca ff <0f> 0b 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c9 fc e1 00 8b
RSP: 0018:ffffcffe815e3af0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8970d287c000 RCX: 0000000000000027
RDX: ffff89741e21cf88 RSI: 0000000000000001 RDI: ffff89741e21cf80
RBP: ffffcffea4186000 R08: 0000000000000000 R09: 286565726676206f
R10: 286565726676206f R11: 6978656e6f6e2029 R12: ffff8970f8f2e0c0
R13: ffff8973b0633e20 R14: ffff8970c2a07600 R15: 0000000000000000
FS:  00007f6a8bcfd100(0000) GS:ffff8974927d6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563011f79340 CR3: 000000013f879001 CR4: 00000000003726f0
Call Trace:
 <TASK>
 v4l2_loopback_close+0xa3/0x110 [v4l2loopback_dc]
 v4l2_release+0xce/0xf0 [videodev]
 __fput+0xe3/0x2a0
 __x64_sys_close+0x3d/0x80
 do_syscall_64+0x84/0x250
 ? xas_load+0x16/0xf0
 ? xas_find+0x86/0x1b0
 ? next_uptodate_folio+0xa5/0x340
 ? percpu_counter_add_batch+0x4a/0xa0
 ? filemap_map_pages+0x4aa/0x5d0
 ? __video_do_ioctl+0x510/0x630 [videodev]
 ? do_read_fault+0xf5/0x220
 ? do_fault+0x140/0x250
 ? __handle_mm_fault+0x55c/0x6b0
 ? count_memcg_events+0xdd/0x1b0
 ? handle_mm_fault+0x220/0x340
 ? do_user_addr_fault+0x2c3/0x7f0
 ? clear_bhb_loop+0x50/0xa0
 ? clear_bhb_loop+0x50/0xa0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f6a8cb3500b
Code: 03 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 f3 b9 f7 ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 41 ba f7 ff 8b 44
RSP: 002b:00007ffda1088560 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007ffda1088610 RCX: 00007f6a8cb3500b
RDX: 0000000000000000 RSI: 0000000000000016 RDI: 0000000000000016
RBP: 00007ffda1088590 R08: 0000000000000000 R09: 00007ffda10886dd
R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffda10885a8
R13: 00007ffda1088610 R14: 00003b8c0004af70 R15: 00003b8c000c4d80
 </TASK>