Backtrace

WARNING: CPU: 1 PID: 37887 at drivers/gpu/drm/ttm/ttm_bo.c:409 ttm_bo_release+0x2d2/0x300 [ttm]
Modules linked in: binfmt_misc xfs tun loop vfat fat isofs uas usb_storage uinput 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 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 rfkill nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc intel_powerclamp coretemp kvm_intel kvm snd_hda_codec_via snd_hda_codec_generic iTCO_wdt snd_hda_codec_hdmi ledtrig_audio intel_pmc_bxt mei_wdt ppdev iTCO_vendor_support snd_hda_intel gpio_ich snd_intel_dspcfg irqbypass snd_intel_sdw_acpi snd_hda_codec intel_cstate intel_uncore snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr lpc_ich
 i2c_i801 snd_timer i2c_smbus snd mei_me mei soundcore parport_pc asus_atk0110 parport acpi_cpufreq zram ip_tables ata_generic pata_acpi radeon i2c_algo_bit drm_ttm_helper ttm drm_kms_helper crct10dif_pclmul crc32_pclmul cec crc32c_intel ghash_clmulni_intel drm r8169 pata_jmicron serio_raw fuse
CPU: 1 PID: 37887 Comm: cat Not tainted 5.14.11-200.fc34.x86_64 #1
Hardware name: System manufacturer System Product Name/P7H55-M BR, BIOS 0602    05/11/2011
RIP: 0010:ttm_bo_release+0x2d2/0x300 [ttm]
Code: 8d b6 b8 fe ff ff e8 dd 0a 04 00 49 8b 76 08 48 89 ef e8 91 21 00 00 49 8b 7e 98 e9 6f fd ff ff e8 93 e6 4e cc e9 a4 fd ff ff <0f> 0b e9 4f fd ff ff e8 c2 e4 4e cc e9 f6 fe ff ff be 03 00 00 00
RSP: 0018:ffffad43c115fbd8 EFLAGS: 00010206
RAX: 0000000000000001 RBX: ffffad43c115fc20 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffff9c61682839d8
RBP: ffff9c6147e0c6f0 R08: ffff9c61682839d8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff9c617c8cb800
R13: ffff9c6168283878 R14: ffff9c61682839d8 R15: ffff9c6159166090
FS:  00007fb39d8d15c0(0000) GS:ffff9c6257a40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79c6da0c88 CR3: 0000000103204005 CR4: 00000000000206e0
Call Trace:
 radeon_bo_unref+0x1a/0x30 [radeon]
 radeon_gem_object_free+0x20/0x30 [radeon]
 drm_gem_object_release_handle+0x6b/0x80 [drm]
 ? drm_gem_object_handle_put_unlocked+0xd0/0xd0 [drm]
 idr_for_each+0x4e/0xc0
 ? call_rcu+0xcb/0x620
 drm_gem_release+0x1c/0x30 [drm]
 drm_file_free.part.0+0x1e3/0x250 [drm]
 drm_release+0x65/0x110 [drm]
 __fput+0x94/0x240
 task_work_run+0x65/0xa0
 do_exit+0x33d/0xa90
 ? prepare_to_wait_event+0x5d/0x170
 do_group_exit+0x33/0xa0
 get_signal+0x16b/0x890
 ? finish_wait+0x80/0x80
 arch_do_signal_or_restart+0xfd/0x730
 exit_to_user_mode_prepare+0x11a/0x240
 syscall_exit_to_user_mode+0x18/0x40
 do_syscall_64+0x48/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb39d7f22e2
Code: Unable to access opcode bytes at RIP 0x7fb39d7f22b8.
RSP: 002b:00007ffc7da69da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000020000 RCX: 00007fb39d7f22e2
RDX: 0000000000020000 RSI: 00007fb3901ae000 RDI: 0000000000000000
RBP: 00007fb3901ae000 R08: 00007fb3901ad010 R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000022000
R13: 0000000000000000 R14: 0000000000020000 R15: 0000000000020000