Backtrace

WARNING: CPU: 1 PID: 2964 at drivers/gpu/drm/ttm/ttm_bo.c:411 ttm_bo_release+0x358/0x370 [ttm]
Modules linked in: snd_seq_dummy snd_hrtimer nls_utf8 udf crc_itu_t xt_CHECKSUM ipt_MASQUERADE xt_conntrack ipt_REJECT nft_compat nf_nat_tftp nft_objref nf_conntrack_tftp nft_counter bridge stp llc nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ppdev parport_pc parport vmw_vsock_vmci_transport vsock vmw_vmci sunrpc vfat fat pktcdvd intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp eeepc_wmi kvm_intel asus_wmi sparse_keymap rfkill iTCO_wdt mxm_wmi iTCO_vendor_support wmi_bmof kvm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi irqbypass ledtrig_audio crct10dif_pclmul snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi crc32_pclmul snd_hda_codec snd_hda_core snd_hwdep ghash_clmulni_intel snd_seq snd_seq_device rapl intel_cstate
 snd_pcm intel_uncore pcspkr snd_timer i2c_i801 mei_me snd soundcore mei wmi video intel_pmc_core acpi_pad xfs libcrc32c amdgpu iommu_v2 gpu_sched uas usb_storage sr_mod sd_mod cdrom t10_pi sg radeon i2c_algo_bit drm_ttm_helper ttm drm_dp_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm libahci libata e1000e crc32c_intel dm_mirror dm_region_hash dm_log dm_mod fuse
CPU: 1 PID: 2964 Comm: Xorg Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-425.19.2.el8_7.x86_64 #1
Hardware name: System manufacturer System Product Name/B150 PRO GAMING/AURA, BIOS 3805 05/16/2018
RIP: 0010:ttm_bo_release+0x358/0x370 [ttm]
Code: e8 ad 94 0c f9 e9 a5 fd ff ff 48 8b 7b 98 b9 30 75 00 00 31 d2 be 01 00 00 00 e8 d3 b7 0c f9 48 8b 7b e8 eb a0 48 89 ef eb 9b <0f> 0b e9 db fc ff ff 0f 0b e8 2a 26 b3 f8 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffffa352c3397d98 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff8b0c50b905d8 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffff8b0cb6b5dae0 RDI: ffff8b0c50b905d8
RBP: ffff8b0c6157c6f0 R08: 000000010212acbd R09: 0000000000000000
R10: ffffa352c3397ea8 R11: ffff8b0c594e4b10 R12: ffff8b0c50b90478
R13: ffff8b0cb6b5d9a0 R14: ffff8b0c42765820 R15: ffff8b0cb6a42a80
FS:  00007f712eadbb40(0000) GS:ffff8b0f66c40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f0c96fad60 CR3: 00000001666ba003 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ? __inode_wait_for_writeback+0x7f/0xf0
 radeon_bo_unref+0x1a/0x30 [radeon]
 radeon_gem_object_free+0x30/0x50 [radeon]
 drm_gem_dmabuf_release+0x2f/0x40 [drm]
 dma_buf_release+0x3a/0x90
 __dentry_kill+0xf7/0x170
 dentry_kill+0x4d/0x1a0
 dput.part.34+0xff/0x150
 __fput+0x10f/0x250
 task_work_run+0x8a/0xb0
 exit_to_usermode_loop+0xef/0x100
 do_syscall_64+0x19c/0x1b0
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f712bd257cb
Code: 73 01 c3 48 8b 0d bd 66 38 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 8d 66 38 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc3d6a20e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 000055f0c96f8d50 RCX: 00007f712bd257cb
RDX: 00007ffc3d6a2138 RSI: 0000000040086409 RDI: 000000000000000f
RBP: 00007ffc3d6a2138 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000051 R11: 0000000000000246 R12: 0000000040086409
R13: 000000000000000f R14: 0000000000ff0000 R15: 000055f0c976acc8