Backtrace

WARNING: CPU: 1 PID: 1957 at drivers/gpu/drm/ttm/ttm_bo.c:356 ttm_bo_release+0x2f9/0x310 [ttm]
Modules linked in: tls snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 iptable_filter qrtr sunrpc b43 cordic bcma mac80211 libarc4 cfg80211 coretemp kvm_intel at24 rfkill iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd_usb_audio dcdbas dell_smm_hwmon kvm uvcvideo snd_hda_codec_realtek joydev irqbypass snd_hda_codec_generic videobuf2_vmalloc snd_hda_codec_hdmi videobuf2_memops videobuf2_v4l2 ledtrig_audio videobuf2_common snd_hda_intel videodev snd_intel_dspcfg
 snd_intel_sdw_acpi snd_usbmidi_lib snd_hda_codec snd_rawmidi snd_hda_core snd_hwdep snd_seq mc snd_seq_device pcspkr snd_pcm ssb lpc_ich mmc_core snd_timer i2c_i801 i2c_smbus snd soundcore acpi_cpufreq zram amdgpu iommu_v2 gpu_sched drm_buddy radeon hid_logitech_hidpp drm_ttm_helper ttm serio_raw uas drm_display_helper usb_storage r8169 ata_generic pata_acpi cec hid_logitech_dj ip6_tables ip_tables fuse
CPU: 1 PID: 1957 Comm: Xorg Not tainted 6.0.5-200.fc36.x86_64 #1
Hardware name: Dell Inc. Inspiron 545/0N826N, BIOS A11 09/07/2009
RIP: 0010:ttm_bo_release+0x2f9/0x310 [ttm]
Code: 00 e8 eb 29 6a f0 48 8b 43 e8 eb a7 be 03 00 00 00 e8 cb 36 42 f0 e9 03 fe ff ff e8 11 05 6a f0 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:ffff9cea025e7d30 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff906f230ed5c8 RCX: 00000000467e4001
RDX: 0000000000000002 RSI: 92afde2d0ab73b94 RDI: ffff906f230ed5c8
RBP: ffff906f230ed478 R08: 0000000000000000 R09: 00000000802a0028
R10: 000000000000001f R11: ffff906f26ff9da8 R12: ffff90700b9546f0
R13: ffff90700085bde0 R14: ffff906f35ccdb40 R15: 0000000000000000
FS:  00007f7086005fc0(0000) GS:ffff90702bc80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000125f00d70000 CR3: 0000000016088000 CR4: 00000000000406e0
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
 ? fpregs_restore_userregs+0x53/0xe0
 ? exit_to_user_mode_prepare+0x18f/0x1f0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? __irq_exit_rcu+0x3d/0x140
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7085f0748f
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:00007ffc0aee0890 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00005633cf8aa400 RCX: 00007f7085f0748f
RDX: 00007ffc0aee0938 RSI: 0000000040086409 RDI: 0000000000000010
RBP: 00007ffc0aee0938 R08: 0000000000000009 R09: 0000000000000000
R10: 00007ffc0aee0a60 R11: 0000000000000246 R12: 0000000040086409
R13: 0000000000000010 R14: 00005633ce93a6f8 R15: 0000000000000001
 </TASK>