Backtrace

WARNING: CPU: 3 PID: 1462 at drivers/gpu/drm/ttm/ttm_bo.c:356 ttm_bo_release+0x2f9/0x310 [ttm]
Modules linked in: tun tls 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 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 cfg80211 nf_tables rfkill nfnetlink ip6table_filter iptable_filter qrtr sunrpc binfmt_misc squashfs loop vfat fat intel_rapl_msr intel_rapl_common intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio kvm_intel snd_hda_codec_hdmi uvcvideo snd_hda_intel iTCO_wdt snd_intel_dspcfg snd_intel_sdw_acpi intel_pmc_bxt videobuf2_vmalloc videobuf2_memops snd_usb_audio mei_hdcp mei_pxp iTCO_vendor_support ee1004 kvm snd_hda_codec videobuf2_v4l2 snd_usbmidi_lib snd_hda_core snd_rawmidi snd_hwdep irqbypass videobuf2_common rapl snd_seq snd_seq_device videodev intel_cstate
 r8188eu(C) mc intel_uncore snd_pcm libarc4 i2c_i801 mei_me snd_timer joydev snd mei soundcore i2c_smbus pcspkr gigabyte_wmi wmi_bmof acpi_tad acpi_pad zram amdgpu iommu_v2 gpu_sched drm_buddy radeon drm_ttm_helper crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ttm ghash_clmulni_intel drm_display_helper sha512_ssse3 r8169 cec video wmi ip6_tables ip_tables fuse
CPU: 3 PID: 1462 Comm: Xorg Tainted: G         C         6.1.14-100.fc36.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. H310M H 2.0/H310M H 2.0, BIOS F12 08/13/2019
RIP: 0010:ttm_bo_release+0x2f9/0x310 [ttm]
Code: 00 e8 5b 1f 28 f0 48 8b 43 e8 eb a7 be 03 00 00 00 e8 7b 3a 01 f0 e9 03 fe ff ff e8 b1 fc 27 f0 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:ffffafaec9247d60 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff90ad429799e0 RCX: 000000042c9dc003
RDX: 0000000000000004 RSI: 32bac4022e8b25ef RDI: ffff90ad429799e0
RBP: ffff90ad42979878 R08: 0000000000000000 R09: 00000000002a0025
R10: 0000000000000007 R11: ffff90ad77890ff8 R12: ffff90ad49e846f0
R13: ffff90ad411bc020 R14: ffff90ad601ca480 R15: ffff90ad84e3dec0
FS:  0000000000000000(0000) GS:ffff90b05ecc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd7f4001368 CR3: 00000001cb010004 CR4: 00000000003706e0
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+0x56/0x90
 do_exit+0x338/0xb00
 do_group_exit+0x2d/0x80
 __x64_sys_exit_group+0x14/0x20
 do_syscall_64+0x58/0x80
 ? exit_to_user_mode_prepare+0x180/0x1f0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7c4f2dd4d1
Code: Unable to access opcode bytes at 0x7f7c4f2dd4a7.
RSP: 002b:00007ffca282a9d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f7c4f3f49e0 RCX: 00007f7c4f2dd4d1
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: fffffffffffffc70 R09: 00007f7c4f3ffb20
R10: 00007f7c4f205fd0 R11: 0000000000000246 R12: 00007f7c4f3f49e0
R13: 0000000000000000 R14: 00007f7c4f3f9ee8 R15: 00007f7c4f3f9f00
 </TASK>