Backtrace

BUG: unable to handle page fault for address: ffffed66c4274548
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 436fcd067 P4D 436fcd067 PUD 0 
Oops: 0000 [#1] SMP PTI
CPU: 5 PID: 4523 Comm: gdbus Tainted: P    B      OE     5.11.22-100.fc32.x86_64 #1
Hardware name: System manufacturer System Product Name/PRIME Z270-P, BIOS 0325 12/28/2016
RIP: 0010:free_pages_and_swap_cache+0x3c/0xc0
Code: 53 e8 f8 69 fa ff 45 85 e4 0f 8e 88 00 00 00 41 8d 44 24 ff 48 89 eb 4c 8d 74 c5 08 eb 09 48 83 c3 08 49 39 de 74 70 4c 8b 2b <49> 8b 55 08 48 8d 42 ff 83 e2 01 49 0f 44 c5 48 8b 48 08 48 8d 51
RSP: 0018:ffffacadc3e9fc70 EFLAGS: 00010206
RAX: ffffed46c42cc7c0 RBX: ffffa02cfbe94100 RCX: 0000000000000000
RDX: 0017ffffc0020036 RSI: 00000000000001fe RDI: ffffa02f26d67220
RBP: ffffa02cfbe94010 R08: ffffa02f26d671a0 R09: ffffed46c5854d88
R10: 0000000000162197 R11: 0000000000000000 R12: 00000000000001fe
R13: ffffed66c4274540 R14: ffffa02cfbe95000 R15: ffffa02c601e3430
FS:  0000000000000000(0000) GS:ffffa02f26d40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed66c4274548 CR3: 0000000214a10006 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 tlb_finish_mmu+0x7a/0x1d0
 exit_mmap+0xb7/0x1c0
 mmput+0x61/0x140
 do_exit+0x30d/0xac0
 ? _copy_to_iter+0x8e/0x370
 ? try_to_wake_up+0x21b/0x570
 do_group_exit+0x33/0xa0
 get_signal+0x154/0x8a0
 ? wake_up_q+0xa0/0xa0
 arch_do_signal_or_restart+0xf2/0x700
 ? vfs_read+0x176/0x1a0
 exit_to_user_mode_prepare+0xfb/0x190
 syscall_exit_to_user_mode+0x18/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f89dd1af86f
Code: Unable to access opcode bytes at RIP 0x7f89dd1af845.
RSP: 002b:00007f89d7ffeca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
RAX: fffffffffffffdfc RBX: 00007f89dd48e290 RCX: 00007f89dd1af86f
RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 000055f3f1eebea0
RBP: 000055f3f1eebea0 R08: 0000000000000000 R09: 0000000000000014
R10: 0000000000000030 R11: 0000000000000293 R12: 0000000000000002
R13: 00007f89d7ffece4 R14: 00000000ffffffff R15: 000055f3f1ee8e40
Modules linked in: xt_nat veth nf_conntrack_netlink nfnetlink xt_addrtype br_netfilter snd_seq_dummy snd_hrtimer nfsv3 nfs_acl xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter tun bridge stp llc rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace nfs_ssc fscache vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) overlay sunrpc vfat fat squashfs loop snd_hda_codec_realtek intel_rapl_msr snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi intel_rapl_common snd_hda_intel mei_hdcp iTCO_wdt snd_intel_dspcfg intel_pmc_bxt soundwire_intel ee1004 iTCO_vendor_support soundwire_generic_allocation snd_soc_core x86_pkg_temp_thermal intel_powerclamp coretemp nvidia_drm(POE) snd_compress nvidia_modeset(POE) kvm_intel snd_pcm_dmaengine soundwire_cadence snd_hda_codec kvm snd_hda_core nvidia(POE)
 ac97_bus snd_hwdep snd_seq snd_seq_device irqbypass snd_pcm rapl eeepc_wmi intel_cstate asus_wmi sparse_keymap rfkill wmi_bmof intel_uncore drm_kms_helper snd_timer pcspkr i2c_i801 snd i2c_smbus cec soundcore mei_me ipmi_devintf ipmi_msghandler mei acpi_pad drm binfmt_misc ip_tables mxm_wmi nvme crct10dif_pclmul crc32_pclmul crc32c_intel serio_raw nvme_core ghash_clmulni_intel r8169 wmi video fuse
CR2: ffffed66c4274548