Backtrace

WARNING: CPU: 2 PID: 3062 at drivers/gpu/drm/ttm/ttm_bo.c:409 ttm_bo_release+0x2de/0x2f0 [ttm]
Modules linked in: snd_seq_dummy snd_hrtimer dm_snapshot dm_bufio uas usb_storage rfcomm xt_CHECKSUM ipt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc nft_counter xt_LOG nf_log_syslog xt_owner nft_compat 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 nf_tables_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink cmac bnep binfmt_misc sunrpc rtl8xxxu btusb btrtl btbcm btintel bluetooth mac80211 intel_rapl_msr intel_rapl_common sb_edac cfg80211 ecdh_generic libarc4 rfkill snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio x86_pkg_temp_thermal intel_powerclamp coretemp radeon snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core snd_hwdep snd_seq kvm_intel i2c_algo_bit drm_ttm_helper snd_seq_device snd_pcm ttm snd_timer drm_kms_helper
 pktcdvd snd syscopyarea sysfillrect sysimgblt fb_sys_fops kvm drm soundcore iTCO_wdt mei_wdt iTCO_vendor_support dcdbas dell_smm_hwmon irqbypass wmi_bmof dell_smbios dell_wmi_descriptor intel_wmi_thunderbolt mxm_wmi rapl e1000e intel_cstate intel_uncore r8169 mei_me mei pcspkr nvme lpc_ich realtek nvme_core i2c_i801 wmi xfs libcrc32c dm_crypt sr_mod cdrom sd_mod t10_pi sg crct10dif_pclmul crc32_pclmul ahci crc32c_intel libahci ata_generic libata ghash_clmulni_intel dm_mirror dm_region_hash dm_log dm_mod ipmi_devintf ipmi_msghandler fuse
CPU: 2 PID: 3062 Comm: Xorg Kdump: loaded Not tainted 4.18.0-372.26.1.el8_6.x86_64 #1
Hardware name: Dell Inc. Precision Tower 7810/0GWHMW, BIOS A34 10/19/2020
RIP: 0010:ttm_bo_release+0x2de/0x2f0 [ttm]
Code: 00 48 8b 7b 98 e9 78 fd ff ff 48 8b 7b 98 b9 30 75 00 00 31 d2 be 01 00 00 00 e8 2d e8 da c4 48 8b 7b e8 eb ab 48 89 ef eb a6 <0f> 0b e9 43 fd ff ff 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00
RSP: 0018:ffffae0045f0bdc8 EFLAGS: 00010202
RAX: ffff9cf4d9b489d8 RBX: ffff9cf4d9b489d8 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffff9cf5b28550a0 RDI: ffff9cf4d9b489d8
RBP: ffff9cf4885b06f0 R08: 0000000101e16260 R09: 0000000000000000
R10: ffffae0045f0bea8 R11: ffff9cf3d5822110 R12: ffff9cf4a309e718
R13: ffff9cf5b2854f60 R14: ffff9cf4d9b48878 R15: ffff9cf4a309e6c0
FS:  00007fd4c1bacb40(0000) GS:ffff9cfb8fa80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005600c9f84d74 CR3: 00000001402ec006 CR4: 00000000001706e0
Call Trace:
 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/0x190
 dput.part.34+0xf7/0x140
 __fput+0x10f/0x250
 task_work_run+0x8a/0xb0
 exit_to_usermode_loop+0xeb/0xf0
 do_syscall_64+0x198/0x1a0
 entry_SYSCALL_64_after_hwframe+0x65/0xca
RIP: 0033:0x7fd4bedf872b
Code: 73 01 c3 48 8b 0d 5d 57 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 2d 57 38 00 f7 d8 64 89 01 48
RSP: 002b:00007fff3aa07998 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00005600c8cff7c0 RCX: 00007fd4bedf872b
RDX: 00007fff3aa079e8 RSI: 0000000040086409 RDI: 0000000000000010
RBP: 00007fff3aa079e8 R08: 0000000000000000 R09: 0000000000000007
R10: 0000000000000001 R11: 0000000000003246 R12: 0000000040086409
R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000000000