Backtrace

WARNING: CPU: 1 PID: 6952 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110
Modules linked in: tls uinput exfat rfcomm snd_seq_dummy snd_hrtimer nft_objref 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 nvidia_drm(PO) nvidia_modeset(PO) nvidia_uvm(PO) vfat fat nvidia(PO) snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi iTCO_wdt snd_hda_codec intel_pmc_bxt snd_hda_core snd_hwdep ideapad_laptop sparse_keymap snd_seq platform_profile snd_seq_device iTCO_vendor_support snd_pcm mei_hdcp snd_timer wmi_bmof snd mei_pxp mei_me uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 intel_rapl_msr videobuf2_common intel_rapl_common videodev intel_tcc_cooling mc uas xpad usb_storage ff_memless soundcore x86_pkg_temp_thermal btusb btrtl btbcm btintel btmtk
 intel_powerclamp ee1004 coretemp bluetooth wl(PO) rapl i2c_i801 rtl8821ae intel_cstate btcoexist rtl_pci mei rtlwifi intel_uncore mac80211 intel_pch_thermal libarc4 pcspkr cfg80211 joydev rfkill i2c_smbus acpi_pad zram i915 crct10dif_pclmul crc32_pclmul crc32c_intel sdhci_pci polyval_clmulni nvme cqhci polyval_generic sdhci r8169 nvme_core drm_buddy ghash_clmulni_intel serio_raw mmc_core drm_display_helper cec nvme_common ttm wmi video pinctrl_sunrisepoint ip6_tables ip_tables fuse
CPU: 1 PID: 6952 Comm: UnityGfxDeviceW Tainted: P        W  O       6.0.18-300.fc37.x86_64 #1
Hardware name: LENOVO 80WK/LNVNB161216, BIOS 4KCN45WW 01/11/2019
RIP: 0010:refcount_warn_saturate+0xba/0x110
Code: 01 01 e8 92 64 66 00 0f 0b c3 cc cc cc cc 80 3d fd b6 bd 01 00 75 85 48 c7 c7 88 5a 7c 8b c6 05 ed b6 bd 01 01 e8 6f 64 66 00 <0f> 0b c3 cc cc cc cc 80 3d d8 b6 bd 01 00 0f 85 5e ff ff ff 48 c7
RSP: 0018:ffffb03b848d7970 EFLAGS: 00010296
RAX: 0000000000000026 RBX: ffff97f06e4f50d0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff8b7ac5aa RDI: 00000000ffffffff
RBP: ffffb03b848d7978 R08: 0000000000000000 R09: ffffb03b848d7810
R10: 0000000000000003 R11: ffffffff8c1463e8 R12: ffff97f1b2f358e0
R13: 0000000000000001 R14: ffff97f06e4f5108 R15: ffff97f2791f7d00
FS:  00007f05a7fef6c0(0000) GS:ffff97f46ec80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2fb7e00010 CR3: 00000002eaa08006 CR4: 00000000003706e0
Call Trace:
 <TASK>
 dma_buf_poll_add_cb+0xda/0x120
 dma_buf_poll+0x177/0x270
 do_sys_poll+0x2b9/0x5e0
 ? poll_initwait+0x40/0x40
 ? __pollwait+0xe0/0xe0
 __x64_sys_poll+0x3a/0x120
 do_syscall_64+0x58/0x80
 ? __x64_sys_poll+0x93/0x120
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f068be4205f
Code: 54 24 1c 48 89 74 24 10 48 89 7c 24 08 e8 99 85 f8 ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 48 8b 7c 24 08 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 08 e8 ed 85 f8 ff 8b 44
RSP: 002b:00007f05a7fee080 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
RAX: ffffffffffffffda RBX: 00007f05a7fee0b8 RCX: 00007f068be4205f
RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f05a7fee0b8
RBP: 0000000001a9e3d8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000004e730630 R11: 0000000000000293 R12: 000000000171ec00
R13: 0000000001a9e480 R14: 000000000124f6c0 R15: 00000000037f1570
 </TASK>