Backtrace

WARNING: CPU: 1 PID: 35068 at mm/vmalloc.c:3361 vfree.part.0+0x11b/0x260
Modules linked in: uinput snd_seq_dummy snd_hrtimer 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 rfkill ip_set nf_tables vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) qrtr nvidia_drm(POE) nvidia_modeset(POE) nvidia_uvm(POE) sunrpc binfmt_misc nvidia(POE) vfat fat intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common intel_tcc_cooling snd_soc_avs x86_pkg_temp_thermal snd_soc_hda_codec intel_powerclamp snd_hda_ext_core iTCO_wdt intel_pmc_bxt ee1004 iTCO_vendor_support coretemp mei_hdcp mei_pxp snd_hda_codec_realtek snd_soc_core snd_hda_codec_generic kvm_intel snd_hda_scodec_component snd_compress snd_hda_codec_hdmi ac97_bus snd_pcm_dmaengine snd_usb_audio snd_hda_intel snd_intel_dspcfg kvm snd_intel_sdw_acpi snd_usbmidi_lib snd_hda_codec snd_hda_core snd_ump rapl snd_rawmidi snd_hwdep snd_seq intel_cstate
 snd_seq_device intel_uncore snd_pcm pktcdvd joydev snd_timer drm_ttm_helper r8169 pcspkr snd ttm i2c_i801 realtek soundcore i2c_smbus mei_me mei intel_pmc_core intel_vsec pmt_telemetry pmt_class acpi_pad v4l2loopback(OE) v4l2loopback_dc(OE) loop nfnetlink zram lz4hc_compress lz4_compress mxm_wmi crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 sha256_ssse3 sha1_ssse3 video wmi fuse videodev mc i2c_dev
CPU: 1 UID: 1000 PID: 35068 Comm: Discord Tainted: P           OE      6.12.11-200.fc41.x86_64 #1
Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
Hardware name: Micro-Star International Co., Ltd. MS-7C09/H310M PRO-VDH PLUS (MS-7C09), BIOS 1.10 11/12/2018
RIP: 0010:vfree.part.0+0x11b/0x260
Code: e8 ea d7 fa ff 48 89 df 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f e9 f4 e1 01 00 48 89 ee 48 c7 c7 48 68 e7 aa e8 95 63 cd ff <0f> 0b 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 8b
RSP: 0018:ffffadb8880e3db0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffa0e40a31e000 RCX: 0000000000000027
RDX: ffffa0e75eaa1908 RSI: 0000000000000001 RDI: ffffa0e75eaa1900
RBP: ffffadb8a43a2000 R08: 0000000000000000 R09: 0000000000000000
R10: 3730303030303030 R11: 2930383566636237 R12: 0000000000000000
R13: ffffa0e453158f20 R14: ffffa0e40c62ecc0 R15: 0000000000000000
FS:  00007f144ef64e80(0000) GS:ffffa0e75ea80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000008d400140070 CR3: 000000012ebe2004 CR4: 00000000003726f0
Call Trace:
 <TASK>
 ? vfree.part.0+0x11b/0x260
 ? __warn.cold+0x93/0xfa
 ? vfree.part.0+0x11b/0x260
 ? report_bug+0xff/0x140
 ? handle_bug+0x58/0x90
 ? exc_invalid_op+0x17/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? vfree.part.0+0x11b/0x260
 v4l2_loopback_close+0x8b/0xf0 [v4l2loopback_dc]
 v4l2_release+0xcb/0xf0 [videodev]
 __fput+0xde/0x2a0
 __x64_sys_close+0x3c/0x80
 do_syscall_64+0x82/0x160
 ? do_sys_openat2+0x9c/0xe0
 ? syscall_exit_to_user_mode+0x10/0x210
 ? do_syscall_64+0x8e/0x160
 ? do_syscall_64+0x8e/0x160
 ? do_syscall_64+0x8e/0x160
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f14500f148c
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 c0 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 22 99 f8 ff 8b 45 fc c9
RSP: 002b:00007ffe667b4a50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007ffe667b4b00 RCX: 00007f14500f148c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013
RBP: 00007ffe667b4a60 R08: 0000000000000001 R09: 00007ffe667b4bcd
R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffe667b4a98
R13: 00007ffe667b4b00 R14: 0000009400017680 R15: 00000094000dc4e0
 </TASK>