Backtrace

WARNING: CPU: 3 PID: 1 at drivers/gpu/drm/ttm/ttm_bo.c:356 ttm_bo_release+0x2f9/0x310 [ttm]
Modules linked in: 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 binfmt_misc sunrpc vfat fat intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel at24 mei_wdt kvm iTCO_wdt mei_hdcp intel_pmc_bxt mei_pxp iTCO_vendor_support ppdev dell_rbtn dell_laptop uvcvideo videobuf2_vmalloc dell_smm_hwmon irqbypass rapl videobuf2_memops videobuf2_v4l2 iwldvm intel_cstate intel_uncore videobuf2_common mac80211 videodev
 dell_wmi sparse_keymap mc dell_smbios wmi_bmof dcdbas libarc4 joydev dell_wmi_descriptor snd_hda_codec_idt snd_hda_codec_generic iwlwifi snd_hda_codec_hdmi ledtrig_audio pcspkr snd_hda_intel i2c_i801 snd_intel_dspcfg i2c_smbus snd_intel_sdw_acpi cfg80211 snd_hda_codec lpc_ich snd_hda_core snd_seq rfkill snd_hwdep snd_seq_device snd_pcm parport_pc parport snd_timer mei_me snd dell_smo8800 soundcore mei zram amdgpu iommu_v2 gpu_sched drm_buddy radeon crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic sdhci_pci ghash_clmulni_intel cqhci firewire_ohci sdhci firewire_core serio_raw drm_ttm_helper ttm crc_itu_t mmc_core drm_display_helper e1000e ata_generic pata_acpi cec wmi video ip6_tables ip_tables fuse
CPU: 3 PID: 1 Comm: systemd Not tainted 6.0.5-200.fc36.x86_64 #1
Hardware name: Dell Inc. Precision M4600/08V9YG, BIOS A16 12/26/2013
RIP: 0010:ttm_bo_release+0x2f9/0x310 [ttm]
Code: 00 e8 eb 49 31 e3 48 8b 43 e8 eb a7 be 03 00 00 00 e8 cb 56 09 e3 e9 03 fe ff ff e8 11 25 31 e3 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:ffffbe448002bd78 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff9fab893ba9c8 RCX: 000000008200014c
RDX: 0000000000000002 RSI: ffffeda0840da940 RDI: ffff9fab893ba9c8
RBP: ffff9fab893ba878 R08: 0000000000000000 R09: 000000008200014c
R10: 000000000000002b R11: ffff9fab8e586480 R12: ffff9fab88de86f0
R13: ffff9fab81011ce0 R14: ffff9fab983c19c0 R15: 0000000000000000
FS:  00007f8294003b40(0000) GS:ffff9faca5ac0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1307e9c548 CR3: 00000001020d2001 CR4: 00000000000606e0
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
 ? __x64_sys_epoll_ctl+0x5c/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8293f0205a
Code: b8 03 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 33 72 f8 ff 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 93 72 f8 ff 8b 44 24
RSP: 002b:00007ffd21b769e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000000001d RCX: 00007f8293f0205a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000001d
RBP: 00007f82940038f8 R08: 000055e797b04b70 R09: 000000000000003f
R10: 0000000000000000 R11: 0000000000000293 R12: 000055e7957dab20
R13: 000055e797a22470 R14: 000055e795792378 R15: 0000000000000000
 </TASK>