Backtrace

BUG: unable to handle page fault for address: ffff9215f74cbda0
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP PTI
CPU: 0 PID: 2785 Comm: dconf worker Not tainted 5.17.12-100.fc34.x86_64 #1
Hardware name: Micro-Star International Co., Ltd. MS-7B29/H310M PRO-VDH (MS-7B29), BIOS 1.10 02/26/2018
RIP: 0010:__rb_erase_color+0x1a2/0x250
Code: 89 ef 4d 89 f4 e8 7e a0 90 00 e9 a0 fe ff ff 4c 89 60 10 eb e7 4d 8b 74 24 08 48 89 e8 48 83 c8 01 4c 89 75 10 49 89 6c 24 08 <49> 89 06 48 8b 45 00 49 89 04 24 4c 89 65 00 48 83 e0 fc 74 23 48
RSP: 0018:ffffb7c1c1367c18 EFLAGS: 00010282
RAX: ffff9295f761eb49 RBX: ffffffff852ced20 RCX: 0000000000000140
RDX: ffff9296101ada80 RSI: ffff9295da652798 RDI: ffff92960ef40c10
RBP: ffff9295f761eb48 R08: 00000000000000ac R09: 0000000000000000
R10: ffff92960ef40c10 R11: 0000000000000000 R12: ffff9295c5bc1760
R13: ffff9295da652798 R14: ffff9215f74cbda0 R15: ffff9296168c9578
FS:  0000000000000000(0000) GS:ffff929d0dc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff9215f74cbda0 CR3: 000000053fe10001 CR4: 00000000003706f0
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
 ? 0xffffffff85000000
 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: 0033:0x7fa93d09858f
Code: Unable to access opcode bytes at RIP 0x7fa93d098565.
RSP: 002b:00007fa91fe9aa40 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
RAX: fffffffffffffdfc RBX: 00007fa93d68a071 RCX: 00007fa93d09858f
RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00005614da372420
RBP: 00005614da372420 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffc5e3e5080 R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000001 R14: 00007fa91fe9aab0 R15: 00005614da30a0d0
 </TASK>
Modules linked in: uinput snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc rpcsec_gss_krb5 auth_rpcgss nls_utf8 nfsv4 cifs nfs cifs_arc4 cifs_md4 lockd dns_resolver grace fscache netfs 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 rfkill ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc vfat fat snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof soundwire_bus snd_soc_skl snd_soc_hdac_hda intel_rapl_msr intel_rapl_common snd_hda_ext_core snd_soc_sst_ipc
 intel_tcc_cooling x86_pkg_temp_thermal snd_soc_sst_dsp intel_powerclamp snd_soc_acpi_intel_match coretemp snd_soc_acpi kvm_intel snd_soc_core snd_hda_codec_realtek snd_hda_codec_generic snd_compress ac97_bus ledtrig_audio kvm snd_hda_codec_hdmi snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec irqbypass ee1004 snd_hda_core snd_hwdep snd_seq rapl joydev iTCO_wdt snd_seq_device intel_cstate intel_pmc_bxt mei_hdcp mei_pxp snd_pcm iTCO_vendor_support intel_uncore snd_timer wmi_bmof snd pcspkr soundcore i2c_i801 i2c_smbus mei_me mei intel_pch_thermal acpi_pad zram ip_tables nouveau raid1 crct10dif_pclmul drm_ttm_helper ttm crc32_pclmul i2c_algo_bit mxm_wmi crc32c_intel drm_kms_helper ghash_clmulni_intel cec r8169 drm wmi video ipmi_devintf ipmi_msghandler fuse
CR2: ffff9215f74cbda0