Backtrace

WARNING: CPU: 7 PID: 10924 at mm/vmalloc.c:2826 vfree+0x118/0x280
Modules linked in: wireguard curve25519_x86_64 libcurve25519_generic ip6_udp_tunnel udp_tunnel uinput rfcomm snd_seq_dummy snd_hrtimer nvidia_drm(POE) nvidia_modeset(POE) nvidia_uvm(POE) nvidia(POE) qrtr bnep sunrpc binfmt_misc vfat fat rtw89_8852ae rtw89_8852a snd_sof_amd_rembrandt snd_sof_amd_renoir rtw89_pci snd_sof_amd_acp snd_sof_pci intel_rapl_msr intel_rapl_common snd_sof_xtensa_dsp snd_hda_codec_realtek rtw89_core snd_sof snd_hda_codec_generic edac_mce_amd ledtrig_audio snd_sof_utils kvm_amd snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio mac80211 snd_soc_core snd_hda_codec snd_usbmidi_lib snd_ump kvm snd_hda_core btusb snd_rawmidi snd_compress btrtl ac97_bus snd_hwdep snd_pcm_dmaengine btbcm snd_seq snd_pci_ps btintel libarc4 snd_seq_device snd_rpl_pci_acp6x btmtk irqbypass snd_pci_acp6x snd_pci_acp5x uvcvideo bluetooth snd_pcm rapl cfg80211 uvc snd_rn_pci_acp3x videobuf2_vmalloc snd_timer snd_acp_config videobuf2_memops wmi_bmof snd_soc_acpi videobuf2_v4l2 snd pcspkr
 nvidia_wmi_ec_backlight ideapad_laptop sparse_keymap videobuf2_common i2c_piix4 k10temp snd_pci_acp3x soundcore platform_profile cm32181 rfkill industrialio joydev nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_masq nft_ct nft_chain_nat nf_nat v4l2loopback(OE) nf_conntrack v4l2loopback_dc(OE) nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink loop zram amdgpu i2c_algo_bit drm_ttm_helper ttm drm_suballoc_helper amdxcp iommu_v2 drm_buddy nvme gpu_sched nvme_core drm_display_helper crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni hid_multitouch ucsi_acpi polyval_generic ccp cec video ghash_clmulni_intel sha512_ssse3 wdat_wdt typec_ucsi sp5100_tco r8169 typec nvme_common wmi i2c_hid_acpi i2c_hid serio_raw ip6_tables ip_tables fuse videodev mc
CPU: 7 PID: 10924 Comm: workflowy Tainted: P           OE      6.5.8-200.fc38.x86_64 #1
Hardware name: LENOVO 82JW/LNVNB161216, BIOS HHCN30WW 09/15/2022
RIP: 0010:vfree+0x118/0x280
Code: 8b 13 f7 c2 00 00 01 00 74 91 48 8b 53 48 48 8d 42 ff 83 e2 01 48 0f 44 c3 eb 80 48 89 de 48 c7 c7 50 03 91 b8 e8 78 cb d4 ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e e9 29 06 c1 00 8b 48 28 85 d2 0f 84
RSP: 0018:ffff9aa9d2543e50 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff9aa9e4712000 RCX: 0000000000000027
RDX: ffff8da21ffe1548 RSI: 0000000000000001 RDI: ffff8da21ffe1540
RBP: ffff8da000e143c0 R08: 0000000000000000 R09: ffff9aa9d2543ce0
R10: 0000000000000003 R11: ffffffffb9345d28 R12: 0000000000000000
R13: ffff8d9f8ae53a60 R14: ffff8d9f8df3e780 R15: 0000000000000000
FS:  00007f7242eb5280(0000) GS:ffff8da21ffc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00003b26003a8200 CR3: 0000000336330000 CR4: 0000000000750ee0
PKRU: 55555554
Call Trace:
 <TASK>
 ? vfree+0x118/0x280
 ? __warn+0x81/0x130
 ? vfree+0x118/0x280
 ? report_bug+0x171/0x1a0
 ? prb_read_valid+0x1b/0x30
 ? srso_alias_return_thunk+0x5/0x7f
 ? handle_bug+0x3c/0x80
 ? exc_invalid_op+0x17/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? vfree+0x118/0x280
 v4l2_loopback_close+0x8e/0x110 [v4l2loopback_dc]
 v4l2_release+0xf3/0x100 [videodev]
 __fput+0xf5/0x2a0
 task_work_run+0x5d/0x90
 exit_to_user_mode_prepare+0x1eb/0x1f0
 syscall_exit_to_user_mode+0x1b/0x40
 do_syscall_64+0x6c/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f7244cb785c
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 70 72 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 d2 72 f8 ff 8b 45 fc c9
RSP: 002b:00007fff2638ff50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 00007fff2638ff90 RCX: 00007f7244cb785c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000016
RBP: 00007fff2638ff60 R08: 0222222222222222 R09: 00007fff26390068
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fff2638ff90
R13: 00003b2600264b68 R14: 0000000000000000 R15: 00003b2600264c70
 </TASK>