Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000088
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 8000000083a15067 P4D 8000000083a15067 PUD 83a14067 PMD 0 
Oops: 0000 [#2] SMP PTI
CPU: 4 PID: 1268111 Comm: cpptools Tainted: G    B D    OE     5.11.22-100.fc32.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. Z97-HD3/Z97-HD3, BIOS F9 07/31/2015
RIP: 0010:__mod_lruvec_page_state+0x64/0xb0
Code: 5c 48 8b 00 48 c1 e8 36 48 8b 3c c5 60 4f d5 ab 48 83 e2 fc 74 31 0f 1f 44 00 00 48 63 87 c0 a0 02 00 4c 8b 8c c2 00 0b 00 00 <49> 3b b9 88 00 00 00 75 38 44 89 c2 4c 89 cf e9 48 ff ff ff 4c 8d
RSP: 0000:ffffba0203a7bd78 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000fffffc0080027
RDX: ffff95d8d34c3008 RSI: 0000000000000011 RDI: ffff95dbdfdd5000
RBP: ffffdaa941da3780 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000013 R11: 0000000000000000 R12: ffff95d8102c1af0
R13: ffffdaa941da3780 R14: 0000000000000001 R15: ffff95d9362f2ec0
FS:  00007fc8caffd700(0000) GS:ffff95dbcff00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000088 CR3: 0000000083a94001 CR4: 00000000001706e0
Call Trace:
 page_remove_rmap+0x59/0x330
 wp_page_copy+0x2c5/0x5c0
 ? _copy_to_user+0x2d/0x40
 handle_mm_fault+0x1137/0x1960
 do_user_addr_fault+0x19f/0x480
 exc_page_fault+0x67/0x150
 ? asm_exc_page_fault+0x8/0x30
 asm_exc_page_fault+0x1e/0x30
RIP: 0033:0x7fc8d0c4c19f
Code: e8 76 d6 ff ff 49 29 ee 4c 8b 4c 24 08 49 83 fe 1f 0f 86 b7 00 00 00 49 8b 54 24 70 49 8d 04 2f 4c 39 4a 18 0f 85 70 01 00 00 <4c> 89 48 18 48 89 50 10 49 89 44 24 70 48 89 42 18 48 81 fd ff 03
RSP: 002b:00007fc8caffc340 EFLAGS: 00010246
RAX: 00007fc6eda5b020 RBX: 00000000000006c0 RCX: 00007fc6fc000020
RDX: 00007fc8bc000080 RSI: 0000000040000000 RDI: 00007fc6eda5a950
RBP: 00000000000006d0 R08: 0000000000000003 R09: 00007fc8bc000080
R10: 0000000040000000 R11: 0000000000000000 R12: 00007fc8bc000020
R13: 00000000025a5690 R14: 00000000025a4fc0 R15: 00007fc6eda5a950
Modules linked in: snd_usb_audio snd_usbmidi_lib snd_rawmidi mc snd_seq_dummy snd_hrtimer md4 cmac nls_utf8 cifs libarc4 dns_resolver fscache libdes authenc echainiv esp4 nf_conntrack_netlink xt_addrtype br_netfilter xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT tun bridge stp llc nf_nat_tftp nf_conntrack_tftp 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 overlay nfnetlink ip6table_filter ip6_tables iptable_filter vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) vfat fat intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass ppdev rapl intel_cstate mei_hdcp snd_hda_codec_realtek snd_hda_codec_generic
 ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation at24 snd_soc_rt5640 snd_soc_rl6231 soundwire_cadence snd_soc_core snd_hda_codec ftdi_sio iTCO_wdt snd_hda_core snd_compress intel_pmc_bxt iTCO_vendor_support snd_pcm_dmaengine ac97_bus snd_hwdep snd_seq intel_uncore snd_seq_device pcspkr i2c_i801 i2c_smbus snd_pcm mei_me mei lpc_ich snd_timer snd parport_pc parport acpi_pad soundcore nfsd binfmt_misc auth_rpcgss nfs_acl lockd grace sunrpc nfs_ssc ip_tables i915 crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper ghash_clmulni_intel cec serio_raw drm r8169 video fuse
CR2: 0000000000000088