Backtrace

WARNING: CPU: 0 PID: 4415 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 snd_sof sunrpc snd_sof_utils snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks 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 intel_tcc_cooling snd_hda_ext_core x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_hdmi snd_soc_core snd_hda_codec_generic coretemp jc42 snd_compress iwlmvm ac97_bus snd_pcm_dmaengine
 snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec kvm_intel snd_hda_core iTCO_wdt intel_pmc_bxt mac80211 ee1004 iTCO_vendor_support mei_pxp mei_hdcp btusb snd_hwdep intel_rapl_msr kvm libarc4 btrtl snd_seq snd_seq_device irqbypass iwlwifi snd_pcm btintel asus_nb_wmi rapl btbcm asus_wmi snd_timer intel_cstate sparse_keymap btmtk intel_uncore platform_profile pcspkr snd cfg80211 wmi_bmof uvcvideo bluetooth processor_thermal_device_pci_legacy uvc videobuf2_vmalloc videobuf2_memops vfat soundcore videobuf2_v4l2 i2c_i801 mei_me fat processor_thermal_device i2c_smbus rfkill processor_thermal_wt_hint videobuf2_common mei processor_thermal_rfim processor_thermal_rapl intel_rapl_common idma64 processor_thermal_wt_req processor_thermal_power_floor processor_thermal_mbox int340x_thermal_zone intel_pch_thermal intel_xhci_usb_role_switch intel_soc_dts_iosf intel_pmc_core int3400_thermal pmt_telemetry pmt_class acpi_thermal_rel acpi_pad intel_vsec asus_wireless joydev loop nfnetlink zram lz4hc_compress
 lz4_compress i915 i2c_algo_bit polyval_clmulni drm_buddy polyval_generic ghash_clmulni_intel ttm sha512_ssse3 hid_multitouch spi_pxa2xx_platform sha256_ssse3 dw_dmac drm_display_helper sha1_ssse3 spi_pxa2xx_core i2c_hid_acpi i2c_hid cec video wmi serio_raw fuse v4l2loopback_dc(OE) videodev mc
CPU: 0 UID: 1000 PID: 4415 Comm: Discord Tainted: G           OE      6.14.9-300.fc42.x86_64 #1
Tainted: [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 96 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:ffffd34d476bfc90 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8b68893c9000 RCX: 0000000000000027
RDX: ffff8b6bcec21948 RSI: 0000000000000001 RDI: ffff8b6bcec21940
RBP: ffffd34d55859000 R08: 0000000000000000 R09: ffffd34d476bfb38
R10: ffffffff979368e8 R11: 00000000ffffdfff R12: ffff8b68890d8cf8
R13: ffff8b68c40041a0 R14: ffff8b688060f6c0 R15: 0000000000000000
FS:  00007fc00e904500(0000) GS:ffff8b6bcec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00003c840f2e0200 CR3: 00000001c40e2004 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
 ? v4l2_ioctl+0x67/0xb0 [videodev]
 ? __x64_sys_ioctl+0x56/0xc0
 ? syscall_exit_to_user_mode+0x10/0x210
 ? do_syscall_64+0x87/0x160
 ? v4l2_ioctl+0x67/0xb0 [videodev]
 ? __x64_sys_ioctl+0x56/0xc0
 ? syscall_exit_to_user_mode+0x10/0x210
 ? do_syscall_64+0x87/0x160
 ? do_syscall_64+0x87/0x160
 ? do_syscall_64+0x87/0x160
 ? do_syscall_64+0x87/0x160
 ? __irq_exit_rcu+0x4c/0xf0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc00f4559cc
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:00007ffd7ff2a0c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007ffd7ff2a170 RCX: 00007fc00f4559cc
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000015
RBP: 00007ffd7ff2a0d0 R08: 0000000000000001 R09: 0000336400000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffd7ff2a108
R13: 00007ffd7ff2a170 R14: 0000336400043830 R15: 00003364000a8380
 </TASK>