Backtrace

WARNING: CPU: 7 PID: 2111 at drivers/gpu/drm/ttm/ttm_bo.c:356 ttm_bo_release+0x2f9/0x310 [ttm]
Modules linked in: 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_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) qrtr sunrpc binfmt_misc iTCO_wdt dell_rbtn intel_powerclamp intel_pmc_bxt iTCO_vendor_support gpio_ich dell_laptop coretemp kvm_intel iwldvm dell_smm_hwmon mac80211 kvm snd_hda_codec_idt libarc4 irqbypass snd_hda_codec_generic snd_hda_codec_hdmi intel_cstate intel_uncore snd_hda_intel iwlwifi snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec dell_wmi dell_smbios joydev dcdbas snd_hda_core cfg80211 snd_hwdep
 dell_wmi_descriptor ledtrig_audio snd_seq pcspkr sparse_keymap wmi_bmof i2c_i801 snd_seq_device i7core_edac i2c_smbus snd_pcm tifm_7xx1 snd_timer rfkill tifm_core snd lpc_ich soundcore acpi_cpufreq zram amdgpu iommu_v2 gpu_sched drm_buddy hid_logitech_hidpp radeon crc32c_intel serio_raw sdhci_pci cqhci sdhci hid_logitech_dj firewire_ohci mmc_core firewire_core drm_ttm_helper yenta_socket uas tg3 crc_itu_t ttm drm_display_helper usb_storage cec wmi video fuse
CPU: 7 PID: 2111 Comm: Xorg Tainted: G           OE      6.0.5-200.fc36.x86_64 #1
Hardware name: Dell Inc. Precision M6500                 /0R1203, BIOS A10 06/04/2013
RIP: 0010:ttm_bo_release+0x2f9/0x310 [ttm]
Code: 00 e8 eb b9 44 c6 48 8b 43 e8 eb a7 be 03 00 00 00 e8 cb c6 1c c6 e9 03 fe ff ff e8 11 95 44 c6 e9 f9 fd ff ff 4c 89 e0 eb 89 <0f> 0b 48 83 7b 20 00 0f 84 2f fd ff ff 0f 0b e9 28 fd ff ff 0f 0b
RSP: 0018:ffffb3bfc2b1fd48 EFLAGS: 00010206
RAX: 0000000000000001 RBX: ffff9c36cee015c8 RCX: 00000000820001fe
RDX: 0000000000000003 RSI: ffffdb7ec41a5300 RDI: ffff9c36cee015c8
RBP: ffff9c36cee01478 R08: 0000000000000000 R09: 00000000820001fe
R10: 000000000000002a R11: ffff9c368f62c920 R12: ffff9c364c7006f0
R13: ffff9c3641359420 R14: ffff9c36e5027000 R15: 0000000000000000
FS:  00007fd1db204fc0(0000) GS:ffff9c3d3bdc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055afc9425000 CR3: 0000000161818000 CR4: 00000000000006e0
Call Trace:
 <TASK>
 radeon_bo_unref+0x1a/0x30 [radeon]
 radeon_gem_object_free+0x20/0x30 [radeon]
 drm_gem_dmabuf_release+0x36/0x50
 dma_buf_release+0x42/0xa0
 __dentry_kill+0xfe/0x170
 __fput+0xe2/0x250
 task_work_run+0x5c/0x90
 exit_to_user_mode_prepare+0x1c8/0x1f0
 syscall_exit_to_user_mode+0x17/0x40
 do_syscall_64+0x67/0x80
 ? radeon_drm_ioctl+0x6a/0x80 [radeon]
 ? __x64_sys_ioctl+0xa8/0xd0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd1db10748f
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffddf2db9e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 000055c35c9dd3c0 RCX: 00007fd1db10748f
RDX: 00007ffddf2dba88 RSI: 0000000040086409 RDI: 0000000000000010
RBP: 00007ffddf2dba88 R08: 000000000000000c R09: 0000000000000000
R10: 00007fd1da5f2220 R11: 0000000000000246 R12: 0000000040086409
R13: 0000000000000010 R14: 000055c35be55b90 R15: 000055c35bd38c20
 </TASK>