Backtrace

WARNING: CPU: 1 PID: 31917 at mm/vmalloc.c:3367 vfree.part.0+0x113/0x260
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer xt_conntrack xt_MASQUERADE bridge stp llc xt_set ip_set xt_addrtype nft_compat overlay 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 qrtr bnep snd_sof_pci_intel_skl snd_sof_intel_hda_generic soundwire_intel soundwire_cadence snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation sunrpc snd_soc_acpi soundwire_bus snd_soc_sdca snd_soc_avs intel_uncore_frequency intel_uncore_frequency_common snd_soc_hda_codec snd_hda_ext_core snd_hda_codec_hdmi intel_tcc_cooling snd_soc_core x86_pkg_temp_thermal snd_hda_codec_generic intel_powerclamp iwlmvm snd_compress ac97_bus coretemp snd_pcm_dmaengine jc42 kvm_intel
 snd_hda_intel iTCO_wdt snd_intel_dspcfg intel_pmc_bxt snd_intel_sdw_acpi mei_hdcp iTCO_vendor_support mei_pxp ee1004 mac80211 snd_hda_codec snd_hda_core kvm intel_rapl_msr libarc4 snd_hwdep snd_seq snd_seq_device irqbypass snd_pcm btusb rapl uvcvideo btrtl iwlwifi btintel asus_nb_wmi uvc btbcm asus_wmi btmtk videobuf2_vmalloc videobuf2_memops intel_cstate vfat videobuf2_v4l2 processor_thermal_device_pci_legacy snd_timer sparse_keymap wmi_bmof processor_thermal_device fat intel_uncore videobuf2_common cfg80211 bluetooth snd processor_thermal_wt_hint platform_profile pcspkr i2c_i801 soundcore mei_me processor_thermal_rfim i2c_smbus mei intel_pch_thermal idma64 processor_thermal_rapl rfkill intel_rapl_common processor_thermal_wt_req processor_thermal_power_floor processor_thermal_mbox int340x_thermal_zone intel_xhci_usb_role_switch intel_soc_dts_iosf int3400_thermal intel_pmc_core acpi_pad acpi_thermal_rel pmt_telemetry pmt_class intel_vsec asus_wireless joydev v4l2loopback(OE) 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 spi_pxa2xx_platform hid_multitouch sha256_ssse3 dw_dmac spi_pxa2xx_core sha1_ssse3 cec i2c_hid_acpi i2c_hid video wmi serio_raw fuse v4l2loopback_dc(OE) videodev mc
CPU: 1 UID: 1000 PID: 31917 Comm: Discord Tainted: G        W  OE      6.14.9-300.fc42.x86_64 #1
Tainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
Hardware name: ASUSTeK COMPUTER INC. X510UA/X510UA, BIOS X510UA.312 04/29/2020
RIP: 0010:vfree.part.0+0x113/0x260
Code: 48 8b 7b 20 e8 ae ac fa ff 48 89 df 48 83 c4 20 5b 5d 41 5c 41 5e e9 cc 04 02 00 48 89 ee 48 c7 c7 f0 e8 e4 a2 e8 7d 2f cb 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:ffffd20545757c90 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88d644d5e000 RCX: 0000000000000027
RDX: ffff88d98eca1948 RSI: 0000000000000001 RDI: ffff88d98eca1940
RBP: ffffd20570001000 R08: 0000000000000000 R09: ffffd20545757b38
R10: ffffffffa39368e8 R11: 00000000ffffdfff R12: ffff88d64947e8d0
R13: ffff88d73ac4cda0 R14: ffff88d642469f00 R15: 0000000000000000
FS:  00007fd238b68ec0(0000) GS:ffff88d98ec80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056498035f930 CR3: 0000000037658002 CR4: 00000000003726f0
Call Trace:
 <TASK>
 v4l2_loopback_close+0x8b/0xf0 [v4l2loopback_dc]
 v4l2_release+0xd1/0x100 [videodev]
 __fput+0xe3/0x2a0
 __x64_sys_close+0x3c/0x80
 do_syscall_64+0x7b/0x160
 ? do_read_fault+0x105/0x230
 ? pte_offset_map_rw_nolock+0x1f/0x90
 ? do_fault+0x146/0x220
 ? __handle_mm_fault+0x3ac/0x710
 ? v4l2_ioctl+0x67/0xb0 [videodev]
 ? __count_memcg_events+0xc0/0x1e0
 ? count_memcg_events.constprop.0+0x1a/0x30
 ? handle_mm_fault+0x227/0x340
 ? do_user_addr_fault+0x36c/0x640
 ? exc_page_fault+0x7e/0x1a0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fd2396839cc
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:00007fff99d5dec0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fff99d5df70 RCX: 00007fd2396839cc
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000016
RBP: 00007fff99d5ded0 R08: 0000000000000001 R09: 0000288c00000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fff99d5df08
R13: 00007fff99d5df70 R14: 0000288c00043848 R15: 0000288c000a84c0
 </TASK>