Backtrace

WARNING: CPU: 5 PID: 196897 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110
Modules linked in: exfat uas usb_storage cdc_acm tls uinput 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 nvidia_drm(PO) nvidia_modeset(PO) nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nvidia_uvm(PO) nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink nvidia(PO) qrtr snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation bnep soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils soundwire_bus snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_codec_hdmi snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_hda_codec_realtek sunrpc snd_hda_codec_generic snd_compress ac97_bus snd_pcm_dmaengine intel_rapl_msr iwlmvm intel_rapl_common snd_hda_intel snd_intel_dspcfg intel_tcc_cooling snd_intel_sdw_acpi snd_hda_codec
 x86_pkg_temp_thermal intel_powerclamp snd_hda_core mac80211 snd_hwdep coretemp snd_seq vfat libarc4 kvm_intel iTCO_wdt intel_pmc_bxt fat mei_pxp mei_hdcp snd_seq_device iTCO_vendor_support kvm btusb uvcvideo btrtl iwlwifi snd_pcm btbcm irqbypass videobuf2_vmalloc rapl btintel intel_cstate asus_wmi videobuf2_memops snd_timer btmtk videobuf2_v4l2 ledtrig_audio sparse_keymap intel_uncore pcspkr snd platform_profile videobuf2_common cfg80211 wmi_bmof bluetooth videodev soundcore mei_me i2c_i801 i2c_smbus joydev mc mei idma64 rfkill intel_pch_thermal acpi_pad acpi_tad zram i915 drm_buddy drm_display_helper cec nvme hid_multitouch crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni mxm_wmi polyval_generic nvme_core ghash_clmulni_intel r8169 serio_raw i2c_hid_acpi ttm i2c_hid nvme_common wmi video pinctrl_cannonlake ip6_tables ip_tables fuse
CPU: 5 PID: 196897 Comm: UnityGfxDeviceW Tainted: P    B   W  O       6.0.10-200.fc36.x86_64 #1
Hardware name: SLIMBOOK PROX14/SLIMBOOK, BIOS N.1.01 06/21/2019
RIP: 0010:refcount_warn_saturate+0xba/0x110
Code: 01 01 e8 61 58 66 00 0f 0b c3 cc cc cc cc 80 3d ee c3 bd 01 00 75 85 48 c7 c7 d0 9d 7c b2 c6 05 de c3 bd 01 01 e8 3e 58 66 00 <0f> 0b c3 cc cc cc cc 80 3d c9 c3 bd 01 00 0f 85 5e ff ff ff 48 c7
RSP: 0018:ffffaf28413a39c0 EFLAGS: 00010296
RAX: 0000000000000026 RBX: ffff89666c34e010 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffffb27b08f2 RDI: 00000000ffffffff
RBP: ffffaf28413a39c8 R08: 0000000000000000 R09: ffffaf28413a3860
R10: 0000000000000003 R11: ffffffffb3146328 R12: ffff896604aca4e0
R13: 0000000000000001 R14: ffff89666c34e048 R15: ffff89642f013a00
FS:  00007fae5bfff640(0000) GS:ffff89666dd40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0940b4000 CR3: 0000000265dbe001 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
 ? irqtime_account_irq+0x81/0xd0
 ? __do_softirq+0x1d5/0x319
 ? __irq_exit_rcu+0x3d/0x140
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7faf9df0c03d
Code: e5 48 83 ec 20 89 55 ec 48 89 75 f0 48 89 7d f8 e8 18 f4 f7 ff 8b 55 ec 48 8b 75 f0 41 89 c0 48 8b 7d f8 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2b 44 89 c7 89 45 f8 e8 70 f4 f7 ff 8b 45 f8
RSP: 002b:00007fae5bffe150 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007faf9df0c03d
RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007fae5bffe188
RBP: 00007fae5bffe170 R08: 0000000000000000 R09: 00007fae50c81800
R10: 8fefd33b99e5dc16 R11: 0000000000000293 R12: 000000000245e860
R13: 00007fae50452088 R14: 00007fae50452280 R15: 00000000010c1180
 </TASK>