Backtrace

WARNING: CPU: 3 PID: 110496 at mm/vmalloc.c:2826 vfree+0x115/0x280
Modules linked in: snd_usb_audio snd_usbmidi_lib snd_ump snd_rawmidi rfcomm 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 ip_set nf_tables nfnetlink qrtr bnep sunrpc binfmt_misc rtw88_8822ce rtw88_8822c snd_sof_amd_vangogh rtw88_pci snd_sof_amd_rembrandt snd_sof_amd_renoir rtw88_core snd_sof_amd_acp snd_hda_codec_realtek snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_hda_codec_generic snd_sof_utils ledtrig_audio snd_hda_codec_hdmi mac80211 snd_soc_core snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi intel_rapl_msr snd_compress intel_rapl_common btusb ac97_bus snd_hda_codec snd_pcm_dmaengine edac_mce_amd btrtl snd_pci_ps uvcvideo btintel snd_rpl_pci_acp6x kvm_amd snd_hda_core snd_pci_acp6x btbcm uvc vfat snd_hwdep videobuf2_vmalloc btmtk fat libarc4 snd_seq videobuf2_memops kvm videobuf2_v4l2 bluetooth
 snd_seq_device irqbypass videobuf2_common snd_pcm rapl snd_pci_acp5x cfg80211 wmi_bmof snd_timer ideapad_laptop pcspkr snd_rn_pci_acp3x sparse_keymap snd snd_acp_config snd_soc_acpi platform_profile snd_pci_acp3x soundcore i2c_piix4 k10temp rfkill joydev v4l2loopback_dc(OE) videodev mc loop zram amdgpu i2c_algo_bit drm_ttm_helper ttm drm_exec drm_suballoc_helper amdxcp drm_buddy nvme gpu_sched nvme_core drm_display_helper crct10dif_pclmul video crc32_pclmul hid_multitouch crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 ccp cec sp5100_tco nvme_common i2c_hid_acpi wmi i2c_hid serio_raw ip6_tables ip_tables fuse
CPU: 3 PID: 110496 Comm: VideoDevicePoll Tainted: G           OE      6.6.2-201.fc39.x86_64 #1
Hardware name: LENOVO 82MF/LNVNB161216, BIOS GLCN50WW 07/04/2022
RIP: 0010:vfree+0x115/0x280
Code: 75 9c 48 8b 13 83 e2 40 74 94 48 8b 53 48 48 8d 42 ff 83 e2 01 48 0f 44 c3 eb 83 48 89 de 48 c7 c7 a8 41 92 b9 e8 1b 21 d4 ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e e9 4c 4e c2 00 8b 48 28 85 d2 0f 84
RSP: 0018:ffffc9001014fe68 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffc90014319000 RCX: 0000000000000027
RDX: ffff88849bee15c8 RSI: 0000000000000001 RDI: ffff88849bee15c0
RBP: ffff888099119300 R08: 0000000000000000 R09: ffffc9001014fcf0
R10: 0000000000000003 R11: ffffffffba346088 R12: 0000000000000000
R13: ffff88835650f2e0 R14: ffff88810053db40 R15: 0000000000000000
FS:  00007fecdc1ee6c0(0000) GS:ffff88849bec0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000de8036d3c58 CR3: 000000017389a000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 ? vfree+0x115/0x280
 ? __warn+0x81/0x130
 ? vfree+0x115/0x280
 ? report_bug+0x171/0x1a0
 ? prb_read_valid+0x1b/0x30
 ? srso_return_thunk+0x5/0x10
 ? handle_bug+0x3c/0x80
 ? exc_invalid_op+0x17/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? vfree+0x115/0x280
 ? vfree+0x115/0x280
 v4l2_loopback_close+0x8e/0x110 [v4l2loopback_dc]
 v4l2_release+0xf3/0x100 [videodev]
 __fput+0xf5/0x290
 __x64_sys_close+0x3d/0x80
 do_syscall_64+0x60/0x90
 ? do_syscall_64+0x6c/0x90
 ? do_syscall_64+0x6c/0x90
 ? do_syscall_64+0x6c/0x90
 ? do_syscall_64+0x6c/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fed2a2689fc
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 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 22 66 f8 ff 8b 45 fc c9
RSP: 002b:00007fecdc1ed630 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000034 RCX: 00007fed2a2689fc
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000034
RBP: 00007fecdc1ed640 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fecdec526d0 R15: 00007fecdc1ed730
 </TASK>