Backtrace

WARNING: CPU: 2 PID: 29273 at mm/vmalloc.c:2826 vfree+0x118/0x280
Modules linked in: tun uinput rfcomm snd_seq_dummy snd_hrtimer xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype nft_compat br_netfilter bridge stp llc 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 sunrpc ip_set nf_tables nfnetlink qrtr bnep binfmt_misc vfat fat iwlmvm mac80211 snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_usb_audio libarc4 snd_hda_codec intel_rapl_msr intel_rapl_common snd_usbmidi_lib snd_hda_core edac_mce_amd btusb snd_ump uvcvideo snd_rawmidi snd_hwdep btrtl kvm_amd btbcm snd_seq btintel iwlwifi snd_seq_device uvc btmtk videobuf2_vmalloc kvm videobuf2_memops videobuf2_v4l2 irqbypass cfg80211 bluetooth snd_pcm rapl videobuf2_common snd_timer snd k10temp wmi_bmof pcspkr i2c_piix4 acpi_cpufreq soundcore rfkill
 joydev gpio_amdpt gpio_generic squashfs v4l2loopback(OE) v4l2loopback_dc(OE) loop zram amdgpu i2c_algo_bit drm_ttm_helper ttm video r8169 drm_suballoc_helper amdxcp iommu_v2 drm_buddy crct10dif_pclmul gpu_sched crc32_pclmul crc32c_intel polyval_clmulni polyval_generic drm_display_helper nvme ghash_clmulni_intel ccp sha512_ssse3 cec nvme_core sp5100_tco nvme_common wmi ip6_tables ip_tables fuse videodev mc
CPU: 2 PID: 29273 Comm: VideoDevicePoll Tainted: G        W  OE     -------  ---  6.5.0-0.rc6.43.fc39.x86_64 #1
Hardware name: Micro-Star International Co., Ltd. MS-7C90/MPG B550 GAMING CARBON WIFI (MS-7C90), BIOS 1.E0 06/27/2023
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 e0 fd 90 92 e8 48 d1 d4 ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e e9 59 dd c0 00 8b 48 28 85 d2 0f 84
RSP: 0018:ffffa403d3433e38 EFLAGS: 00010296
RAX: 0000000000000000 RBX: ffffa40c49bc3000 RCX: 0000000000000027
RDX: ffff906d7eaa1548 RSI: 0000000000000001 RDI: ffff906d7eaa1540
RBP: ffff906a663f2780 R08: 0000000000000000 R09: ffffa403d3433cc8
R10: 0000000000000003 R11: ffffffff9331a720 R12: 0000000000000000
R13: ffff90668c9ff7e0 R14: ffff906682d1e0c0 R15: 0000000000000000
FS:  00007f12555fe6c0(0000) GS:ffff906d7ea80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00003430056d9000 CR3: 000000076cd1e000 CR4: 0000000000750ee0
PKRU: 55555558
Call Trace:
 <TASK>
 ? vfree+0x118/0x280
 ? __warn+0x81/0x130
 ? vfree+0x118/0x280
 ? report_bug+0x171/0x1a0
 ? handle_bug+0x3c/0x80
 ? exc_invalid_op+0x17/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? vfree+0x118/0x280
 ? 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+0x1e6/0x1f0
 syscall_exit_to_user_mode+0x1b/0x40
 do_syscall_64+0x6c/0x90
 ? __x86_return_thunk+0x9/0x10
 ? do_syscall_64+0x6c/0x90
 ? do_syscall_64+0x6c/0x90
 entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7f12b81037dc
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 30 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 92 72 f8 ff 8b 45 fc c9
RSP: 002b:00007f12555fd330 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000068 RCX: 00007f12b81037dc
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000068
RBP: 00007f12555fd340 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f12571a7620 R15: 00007f12555fd430
 </TASK>