Backtrace

WARNING: CPU: 0 PID: 381622 at mm/vmalloc.c:2826 vfree.part.0+0x106/0x230
Modules linked in: cdc_acm v4l2loopback_dc(OE) veth xt_nat xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype nft_compat br_netfilter bridge stp llc overlay 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 ip_set nf_tables nfnetlink qrtr bnep sunrpc binfmt_misc vfat fat snd_sof_pci_intel_tgl iwlmvm snd_sof_intel_hda_common soundwire_intel snd_sof_intel_hda_mlink soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof mac80211 snd_sof_utils snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match intel_tcc_cooling snd_soc_acpi x86_pkg_temp_thermal soundwire_generic_allocation intel_powerclamp soundwire_bus coretemp kvm_intel snd_soc_core libarc4 spi_nor iTCO_wdt intel_pmc_bxt mtd ee1004 mei_pxp mei_hdcp btusb pmt_telemetry iTCO_vendor_support snd_hda_codec_hdmi
 kvm snd_compress ac97_bus btrtl pmt_class intel_rapl_msr snd_pcm_dmaengine btintel uvcvideo snd_usb_audio iwlwifi snd_hda_intel irqbypass uvc snd_intel_dspcfg rapl videobuf2_vmalloc snd_intel_sdw_acpi btbcm intel_cstate snd_usbmidi_lib btmtk snd_hda_codec snd_ump processor_thermal_device_pci_legacy cfg80211 videobuf2_memops bluetooth intel_uncore wmi_bmof videobuf2_v4l2 processor_thermal_device pcspkr snd_rawmidi processor_thermal_wt_hint snd_hda_core mei_me processor_thermal_rfim i2c_i801 videobuf2_common processor_thermal_rapl i2c_smbus spi_intel_pci intel_rapl_common snd_hwdep mei idma64 rfkill spi_intel snd_seq_device processor_thermal_wt_req processor_thermal_power_floor processor_thermal_mbox intel_soc_dts_iosf intel_vsec igen6_edac int3403_thermal int340x_thermal_zone intel_hid sparse_keymap int3400_thermal acpi_thermal_rel acpi_pad joydev squashfs snd_aloop loop zram i915 i2c_algo_bit drm_buddy crct10dif_pclmul crc32_pclmul ttm crc32c_intel nvme polyval_clmulni polyval_generic sdhci_pci
 drm_display_helper nvme_core ghash_clmulni_intel cqhci sha512_ssse3 sdhci sha256_ssse3 hid_multitouch e1000e mmc_core sha1_ssse3 nvme_auth cec i2c_hid_acpi i2c_hid video wmi pinctrl_tigerlake serio_raw ip6_tables ip_tables fuse snd_pcm snd_timer snd soundcore videodev mc
CPU: 0 PID: 381622 Comm: Discord Tainted: G        W  OE      6.7.6-200.fc39.x86_64 #1
Hardware name: Avell B.ON/B.ON, BIOS 1.07.08TBN1 03/08/2022
RIP: 0010:vfree.part.0+0x106/0x230
Code: fb ff 4c 89 e7 5b 5d 41 5c 41 5d 41 5e e9 62 2c fc ff 48 83 e8 01 e9 5a ff ff ff 48 89 de 48 c7 c7 98 db b3 ae e8 8a 96 d3 ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc 8b 48 28 85 d2 0f 84
RSP: 0018:ffffb0e90600bda0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffb0e94e796000 RCX: 0000000000000027
RDX: ffff8bbf914215c8 RSI: 0000000000000001 RDI: ffff8bbf914215c0
RBP: ffff8bbc6ae15280 R08: 0000000000000000 R09: ffffb0e90600bc28
R10: 0000000000000003 R11: ffffffffaf524250 R12: 0000000000000000
R13: ffff8bb8235f0660 R14: ffff8bbc35bbf9c0 R15: 0000000000000000
FS:  00007fb1198a8440(0000) GS:ffff8bbf91400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d11ca88c10 CR3: 000000023a418003 CR4: 0000000000f70ef0
PKRU: 55555554
Call Trace:
 <TASK>
 ? vfree.part.0+0x106/0x230
 ? __warn+0x81/0x130
 ? vfree.part.0+0x106/0x230
 ? report_bug+0x171/0x1a0
 ? console_unlock+0x78/0x120
 ? handle_bug+0x3c/0x80
 ? exc_invalid_op+0x17/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? vfree.part.0+0x106/0x230
 v4l2_loopback_close+0x8e/0x110 [v4l2loopback_dc]
 v4l2_release+0xf0/0x100 [videodev]
 __fput+0x97/0x2c0
 __x64_sys_close+0x3d/0x80
 do_syscall_64+0x61/0xe0
 ? __count_memcg_events+0x42/0x90
 ? count_memcg_events.constprop.0+0x1a/0x30
 ? handle_mm_fault+0xa2/0x360
 ? do_user_addr_fault+0x304/0x670
 ? exc_page_fault+0x7f/0x180
 entry_SYSCALL_64_after_hwframe+0x6e/0x76
RIP: 0033:0x7fb11ac19a3c
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 80 65 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 e2 65 f8 ff 8b 45 fc c9
RSP: 002b:00007fffed363fb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fffed364040 RCX: 00007fb11ac19a3c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000017
RBP: 00007fffed363fc0 R08: 0000333c0026a220 R09: 0000333c002011c0
R10: 0000000000000008 R11: 0000000000000293 R12: 00007fffed364040
R13: 00007fffed3640d0 R14: 0000333c003090e0 R15: 0000333c0021e490
 </TASK>