Backtrace

general protection fault, probably for non-canonical address 0xcfcecccecdcccbca: 0000 [#2] PREEMPT SMP NOPTI
CPU: 6 PID: 1738 Comm: dconf worker Tainted: G    B D           5.17.12-100.fc34.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./990FXA-UD3 R5, BIOS F2 04/01/2015
RIP: 0010:__rb_erase_color+0x155/0x250
Code: e6 48 89 ef 48 89 d8 5b 5d 41 5c 41 5d 41 5e e9 61 a0 90 00 cc 4d 8b 74 24 10 48 89 e8 48 83 c8 01 4c 89 75 08 49 89 6c 24 10 <49> 89 06 48 8b 45 00 49 89 04 24 4c 89 65 00 48 83 e0 fc 74 6a 48
RSP: 0018:ffffa3aa01e57c18 EFLAGS: 00010282
RAX: ffff8b8d43a0ccd9 RBX: ffffffffae2ced20 RCX: d5d4d3d2d0d2d1d0
RDX: 0000000000000000 RSI: ffff8b8d1aff0d68 RDI: ffff8b8d43a0ccd8
RBP: ffff8b8d43a0ccd8 R08: 0000000000000020 R09: 000000000040002e
R10: ffff8b8d47f2b000 R11: 0000000000037800 R12: ffff8b8d43b67120
R13: ffff8b8d1aff0d68 R14: cfcecccecdcccbca R15: ffff8b8d4f37cbb8
FS:  00007f9f3dd16640(0000) GS:ffff8b91a8d80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9f70ba7948 CR3: 000000014f048000 CR4: 00000000000406e0
Call Trace:
 <TASK>
 unlink_file_vma+0x41/0x50
 free_pgtables+0x9b/0x100
 exit_mmap+0xad/0x210
 __mmput+0x4a/0x130
 do_exit+0x2c5/0xaf0
 do_group_exit+0x2d/0x90
 get_signal+0xf9/0xa10
 ? eventfd_read+0xce/0x290
 ? wake_up_q+0x90/0x90
 arch_do_signal_or_restart+0x10e/0x750
 ? new_sync_read+0x108/0x180
 ? 0xffffffffae000000
 exit_to_user_mode_prepare+0x11a/0x230
 syscall_exit_to_user_mode+0x18/0x40
 do_syscall_64+0x48/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9f740d458f
Code: Unable to access opcode bytes at RIP 0x7f9f740d4565.
RSP: 002b:00007f9f3dd15a40 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
RAX: fffffffffffffdfc RBX: 00007f9f746d4071 RCX: 00007f9f740d458f
RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 0000555985eab440
RBP: 0000555985eab440 R08: 0000000000000000 R09: 0000000000000000
R10: 00007fffcc7f7080 R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000001 R14: 00007f9f3dd15ab0 R15: 0000555985e5b710
 </TASK>
Modules linked in: 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 nf_tables rfkill nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi edac_mce_amd snd_hda_codec_generic ledtrig_audio snd_hda_intel kvm_amd ccp snd_intel_dspcfg snd_intel_sdw_acpi kvm snd_hda_codec snd_hda_core irqbypass snd_hwdep snd_seq r8169 radeon pcspkr mxm_wmi fam15h_power k10temp i2c_piix4 snd_seq_device snd_pcm snd_timer snd soundcore acpi_cpufreq zram ip_tables amdgpu drm_ttm_helper ttm iommu_v2 gpu_sched i2c_algo_bit drm_kms_helper cec
 crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel sp5100_tco wmi ipmi_devintf ipmi_msghandler fuse