Backtrace

WARNING: CPU: 6 PID: 6033 at mm/vmalloc.c:2782 vfree+0x118/0x290
Modules linked in: v4l2loopback_dc(OE) uinput rfcomm xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype nft_compat br_netfilter bridge stp llc snd_seq_dummy snd_hrtimer sunrpc 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 overlay ip_set nf_tables nfnetlink qrtr bnep binfmt_misc vfat fat iwlmvm mac80211 snd_hda_codec_realtek libarc4 snd_hda_codec_generic snd_hda_codec_hdmi ledtrig_audio intel_rapl_msr intel_rapl_common snd_hda_intel edac_mce_amd snd_intel_dspcfg snd_intel_sdw_acpi kvm_amd snd_hda_codec iwlwifi snd_usb_audio uvcvideo btusb snd_hda_core snd_usbmidi_lib btrtl kvm snd_hwdep snd_rawmidi uvc btbcm videobuf2_vmalloc snd_seq snd_seq_device btintel btmtk irqbypass snd_pcm videobuf2_memops cfg80211 videobuf2_v4l2 bluetooth rapl snd_timer videobuf2_common wmi_bmof pcspkr acpi_cpufreq snd i2c_piix4 k10temp soundcore
 rfkill joydev gpio_amdpt gpio_generic v4l2loopback(OE) videodev mc loop zram amdgpu i2c_algo_bit drm_ttm_helper ttm video crct10dif_pclmul drm_suballoc_helper crc32_pclmul nvme iommu_v2 crc32c_intel drm_buddy polyval_clmulni polyval_generic gpu_sched ghash_clmulni_intel drm_display_helper sha512_ssse3 nvme_core ccp r8169 cec sp5100_tco nvme_common wmi ip6_tables ip_tables fuse
CPU: 6 PID: 6033 Comm: VideoDevicePoll Tainted: G        W  OE      6.4.9-200.fc38.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+0x118/0x290
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 60 8c 8f a7 e8 a8 8a d5 ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e e9 69 1a c0 00 8b 48 28 85 d2 0f 84
RSP: 0018:ffff9593066d7e50 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff95931c87e000 RCX: 0000000000000027
RDX: ffff893d3e9a1548 RSI: 0000000000000001 RDI: ffff893d3e9a1540
RBP: ffff893aa5c56060 R08: 0000000000000000 R09: ffff9593066d7ce0
R10: 0000000000000003 R11: ffffffffa8146508 R12: 0000000000000000
R13: ffff893645254160 R14: ffff89380bd57140 R15: 0000000000000000
FS:  00007fec6f7fe6c0(0000) GS:ffff893d3e980000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f33db9e6000 CR3: 000000025765e000 CR4: 0000000000750ee0
PKRU: 55555558
Call Trace:
 <TASK>
 ? vfree+0x118/0x290
 ? __warn+0x81/0x130
 ? vfree+0x118/0x290
 ? report_bug+0x171/0x1a0
 ? prb_read_valid+0x1b/0x30
 ? __x86_return_thunk+0x9/0x10
 ? handle_bug+0x3c/0x80
 ? exc_invalid_op+0x17/0x70
 ? asm_exc_invalid_op+0x1a/0x20
 ? vfree+0x118/0x290
 v4l2_loopback_close+0x8e/0x110 [v4l2loopback_dc]
 v4l2_release+0xf0/0x100 [videodev]
 __fput+0x91/0x250
 task_work_run+0x5d/0x90
 exit_to_user_mode_prepare+0x1e6/0x1f0
 syscall_exit_to_user_mode+0x1b/0x40
 do_syscall_64+0x6c/0x90
 entry_SYSCALL_64_after_hwframe+0x77/0xe1
RIP: 0033:0x7feccf45486c
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 20 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 82 72 f8 ff 8b 45 fc c9
RSP: 002b:00007fec6f7fd3b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00007feccf45486c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000079
RBP: 00007fec6f7fd3c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000079
R13: 0000000000000003 R14: 00007fec717a7620 R15: 00007fec6f7fd440
 </TASK>