Backtrace

WARNING: CPU: 1 PID: 1693 at drivers/gpu/drm/ttm/ttm_bo.c:411 ttm_bo_release+0x34d/0x370 [ttm]
Modules linked in: binfmt_misc snd_seq_dummy snd_hrtimer 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 lp nft_chain_nat parport 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 ip6_tables vboxnetadp(OE) iptable_filter vboxnetflt(OE) ip_tables vboxdrv(OE) sunrpc squashfs loop dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc tifm_sd dell_rbtn iTCO_wdt iwldvm intel_pmc_bxt iTCO_vendor_support gpio_ich dell_laptop mac80211 dell_smm_hwmon intel_powerclamp coretemp libarc4 dell_wmi kvm_intel snd_hda_codec_idt snd_hda_codec_generic snd_hda_codec_hdmi ledtrig_audio
 pktcdvd kvm iwlwifi irqbypass snd_hda_intel iwlmei intel_cstate snd_intel_dspcfg snd_intel_sdw_acpi intel_uncore snd_hda_codec dell_smbios cfg80211 joydev snd_hda_core dcdbas snd_hwdep sparse_keymap dell_wmi_descriptor wmi_bmof pcspkr snd_seq snd_seq_device i2c_i801 tifm_7xx1 rfkill snd_pcm i2c_smbus i7core_edac tifm_core mei snd_timer snd lpc_ich soundcore acpi_cpufreq zram amdgpu iommu_v2 gpu_sched radeon crc32c_intel sdhci_pci cqhci serio_raw sdhci mmc_core firewire_ohci tg3 firewire_core drm_ttm_helper yenta_socket crc_itu_t ttm drm_dp_helper wmi video fuse
CPU: 1 PID: 1693 Comm: Xorg Tainted: G           OE     5.18.13-200.fc36.x86_64 #1
Hardware name: Dell Inc. Precision M6500                 /0R1203, BIOS A04 06/07/2010
RIP: 0010:ttm_bo_release+0x34d/0x370 [ttm]
Code: 00 e8 17 62 5b d5 48 8b 43 e8 eb a8 be 03 00 00 00 e8 b7 22 34 d5 e9 96 fd ff ff e8 5d 3e 5b d5 e9 8c fd ff ff 48 89 e8 eb 8a <0f> 0b e9 d6 fc ff ff e8 47 3e 5b d5 e9 dd fe ff ff be 03 00 00 00
RSP: 0018:ffffa995435d7d98 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff8efe8264d1d8 RCX: 0000000082000189
RDX: 0000000000000001 RSI: ffffca7f8421f140 RDI: ffff8efe8264d1d8
RBP: ffff8efd4ce106f0 R08: 0000000000000000 R09: 0000000082000189
R10: 0000000000000014 R11: ffff8efe8fbdc6d8 R12: ffff8efe8264d078
R13: ffff8efd401f83e0 R14: ffff8eff228d0900 R15: 0000000000000000
FS:  00007f2bb5292fc0(0000) GS:ffff8f004bc40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a32787000 CR3: 00000001198d6000 CR4: 00000000000006e0
Call Trace:
 <TASK>
 ? kobject_put+0x98/0x1c0
 ? kfree+0x2b3/0x2d0
 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+0xe0/0x250
 task_work_run+0x5c/0x90
 exit_to_user_mode_prepare+0x1c8/0x1f0
 syscall_exit_to_user_mode+0x17/0x40
 do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? exit_to_user_mode_prepare+0x180/0x1f0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2bb5b0776f
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:00007fff219fbe60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 0000556cb96edc40 RCX: 00007f2bb5b0776f
RDX: 00007fff219fbf08 RSI: 0000000040086409 RDI: 0000000000000014
RBP: 00007fff219fbf08 R08: 000000000000001c R09: 0000000000000000
R10: 00007f2bb4ea0220 R11: 0000000000000246 R12: 0000000040086409
R13: 0000000000000014 R14: 0000556cb81318c0 R15: 0000556cb80150e0
 </TASK>