Backtrace

WARNING: CPU: 9 PID: 1155 at drivers/gpu/drm/ttm/ttm_bo.c:356 ttm_bo_release+0x2f9/0x310 [ttm]
Modules linked in: snd_seq_dummy snd_hrtimer 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 qrtr nfnetlink amdgpu iommu_v2 gpu_sched sunrpc snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation 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 intel_rapl_msr snd_soc_sst_ipc intel_rapl_common snd_soc_sst_dsp snd_ctl_led snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core intel_tcc_cooling snd_hda_codec_realtek x86_pkg_temp_thermal snd_compress intel_powerclamp coretemp ac97_bus snd_hda_codec_generic snd_hda_codec_hdmi snd_pcm_dmaengine snd_hda_intel vfat kvm_intel snd_intel_dspcfg fat snd_intel_sdw_acpi iTCO_wdt intel_pmc_bxt xfs snd_hda_codec mei_pxp mei_hdcp mei_wdt ee1004 iTCO_vendor_support kvm
 snd_hda_core rfkill irqbypass snd_hwdep snd_seq rapl intel_cstate snd_seq_device dell_wmi radeon intel_uncore snd_pcm dell_smbios dcdbas dell_wmi_aio dell_wmi_sysman ledtrig_audio snd_timer wmi_bmof dell_wmi_descriptor sparse_keymap pcspkr firmware_attributes_class snd mei_me i2c_i801 mei drm_ttm_helper idma64 soundcore i2c_smbus intel_pch_thermal acpi_pad zram i915 crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni drm_buddy polyval_generic e1000e drm_display_helper ghash_clmulni_intel ax88179_178a cec usbnet mii ttm wmi video pinctrl_cannonlake fuse
CPU: 9 PID: 1155 Comm: Xorg Not tainted 6.0.5-200.fc36.x86_64 #1
Hardware name: Dell Inc. OptiPlex 5060/0654JC, BIOS 1.8.0 07/10/2020
RIP: 0010:ttm_bo_release+0x2f9/0x310 [ttm]
Code: 00 e8 eb 89 31 ef 48 8b 43 e8 eb a7 be 03 00 00 00 e8 cb 96 09 ef e9 03 fe ff ff e8 11 65 31 ef 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:ffff9eb7c16c3d58 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff8d1960f2d9c8 RCX: 00000000820001fb
RDX: 0000000000000002 RSI: ffffed0a04042bc0 RDI: ffff8d1960f2d9c8
RBP: ffff8d1960f2d878 R08: 0000000000000000 R09: 00000000820001fb
R10: 000000000000001c R11: ffff8d1962e73478 R12: ffff8d19449c46f0
R13: ffff8d1940202de0 R14: ffff8d197ee46d80 R15: 0000000000000000
FS:  00007fef55206fc0(0000) GS:ffff8d205c440000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055eee74fb8b0 CR3: 000000011f834005 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0x3f/0xa0
 __dentry_kill+0xfb/0x170
 __fput+0xe2/0x250
 task_work_run+0x59/0x90
 exit_to_user_mode_prepare+0x1c8/0x1f0
 syscall_exit_to_user_mode+0x17/0x40
 do_syscall_64+0x67/0x80
 ? exit_to_user_mode_prepare+0x180/0x1f0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fef5510748f
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:00007ffd9fb3c5b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 000055eee74f67e0 RCX: 00007fef5510748f
RDX: 00007ffd9fb3c658 RSI: 0000000040086409 RDI: 0000000000000012
RBP: 00007ffd9fb3c658 R08: 00007fef551f8c88 R09: 000000055eee7ea0
R10: 00007fef5453ff48 R11: 0000000000000246 R12: 0000000040086409
R13: 0000000000000012 R14: 0000000100020000 R15: 000055eee8278b80
 </TASK>