Backtrace

WARNING: CPU: 3 PID: 158309 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 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 ip_set 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 sunrpc snd_sof snd_sof_utils snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks iwlmvm soundwire_generic_allocation snd_soc_acpi soundwire_bus snd_soc_sdca intel_uncore_frequency intel_uncore_frequency_common snd_soc_avs snd_soc_hda_codec snd_hda_ext_core intel_tcc_cooling snd_hda_codec_hdmi x86_pkg_temp_thermal jc42 mac80211 snd_soc_core snd_hda_codec_generic intel_powerclamp coretemp snd_compress ac97_bus snd_pcm_dmaengine
 snd_hda_intel kvm_intel snd_intel_dspcfg iTCO_wdt snd_intel_sdw_acpi intel_pmc_bxt snd_hda_codec iTCO_vendor_support mei_hdcp libarc4 intel_rapl_msr mei_pxp ee1004 snd_hda_core kvm btusb btrtl snd_hwdep snd_seq btintel uvcvideo snd_seq_device iwlwifi snd_pcm irqbypass btbcm btmtk asus_nb_wmi rapl processor_thermal_device_pci_legacy snd_timer uvc asus_wmi sparse_keymap videobuf2_vmalloc intel_cstate processor_thermal_device bluetooth snd intel_uncore videobuf2_memops cfg80211 processor_thermal_wt_hint processor_thermal_rfim videobuf2_v4l2 pcspkr platform_profile vfat wmi_bmof soundcore i2c_i801 fat videobuf2_common i2c_smbus rfkill processor_thermal_rapl intel_rapl_common processor_thermal_wt_req mei_me idma64 mei processor_thermal_power_floor intel_pch_thermal processor_thermal_mbox int340x_thermal_zone intel_soc_dts_iosf intel_xhci_usb_role_switch intel_pmc_core pmt_telemetry pmt_class int3400_thermal intel_vsec acpi_thermal_rel asus_wireless acpi_pad joydev loop nfnetlink zram lz4hc_compress
 lz4_compress i915 i2c_algo_bit drm_buddy polyval_clmulni ttm polyval_generic ghash_clmulni_intel hid_multitouch sha512_ssse3 sha256_ssse3 sha1_ssse3 drm_display_helper i2c_hid_acpi spi_pxa2xx_platform dw_dmac spi_pxa2xx_core cec i2c_hid video wmi serio_raw fuse v4l2loopback_dc(OE) videodev mc
CPU: 3 UID: 1000 PID: 158309 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 8f 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:ffffd38ac06c3b60 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8c9449dac000 RCX: 0000000000000027
RDX: ffff8c978eda1948 RSI: 0000000000000001 RDI: ffff8c978eda1940
RBP: ffffd38afa288000 R08: 0000000000000000 R09: ffffd38ac06c3a08
R10: ffffffff909368e8 R11: 00000000ffffdfff R12: ffff8c94416e1328
R13: ffff8c945da04620 R14: ffff8c9440450480 R15: 0000000000000000
FS:  00007f24ae017500(0000) GS:ffff8c978ed80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc0e647000 CR3: 0000000106a18001 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
 ? __check_object_size.part.0+0x34/0xc0
 ? video_usercopy+0x1bd/0x610 [videodev]
 ? avc_has_extended_perms+0x197/0x600
 ? v4l_queryctrl+0x23/0x90 [videodev]
 ? __video_do_ioctl+0x507/0x620 [videodev]
 ? __check_object_size.part.0+0x34/0xc0
 ? video_usercopy+0x1bd/0x610 [videodev]
 ? __pfx___video_do_ioctl+0x10/0x10 [videodev]
 ? v4l2_ioctl+0x67/0xb0 [videodev]
 ? __x64_sys_ioctl+0x56/0xc0
 ? syscall_exit_to_user_mode+0x10/0x210
 ? do_syscall_64+0x87/0x160
 ? exc_page_fault+0x7e/0x1a0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f24aeb6e9cc
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:00007ffce2bdda00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007ffce2bddab0 RCX: 00007f24aeb6e9cc
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000016
RBP: 00007ffce2bdda10 R08: 0000000000000001 R09: 00002a4c00000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffce2bdda48
R13: 00007ffce2bddab0 R14: 00002a4c00043050 R15: 00002a4c000a04c0
 </TASK>