Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000088
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#4] SMP PTI
CPU: 3 PID: 4711 Comm: gdbus Tainted: G      D           5.14.10-300.fc35.x86_64 #1
Hardware name: Dell Inc. Latitude E7240/05PTPV, BIOS A29 06/13/2019
RIP: 0010:__mod_lruvec_page_state+0x4a/0x90
Code: 48 c1 e8 36 4c 8b 2c c5 a0 34 16 8e 4c 89 c7 e8 6c d3 ff ff 48 85 c0 74 37 66 90 49 63 95 c0 a0 02 00 48 8b bc d0 b8 0f 00 00 <4c> 3b af 88 00 00 00 75 34 44 89 e2 89 ee e8 63 ff ff ff 5d 41 5c
RSP: 0018:ffffa7790121fb30 EFLAGS: 00010282
RAX: ffff968ef3e8c008 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000000
RBP: 0000000000000011 R08: ffffe65585377900 R09: ffffffffffffffeb
R10: 0000000000158e17 R11: 0000000000000000 R12: 00000000ffffffff
R13: ffff968fdedd5000 R14: 00007f299bc00000 R15: ffffa7790121fcc0
FS:  0000000000000000(0000) GS:ffff968fd6b80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000088 CR3: 0000000175e10001 CR4: 00000000001706e0
Call Trace:
 page_remove_rmap+0x55/0x330
 unmap_page_range+0x6f0/0xe40
 unmap_vmas+0x6a/0xd0
 exit_mmap+0x86/0x1c0
 mmput+0x61/0x140
 do_exit+0x2e9/0xa90
 ? reweight_entity+0xfe/0x120
 do_group_exit+0x33/0xa0
 get_signal+0x16b/0x890
 ? update_process_times+0xb0/0xc0
 arch_do_signal_or_restart+0xfd/0x730
 ? __hrtimer_run_queues+0x146/0x250
 ? __sys_sendmsg+0x68/0x80
 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: 0033:0x7f29ae5cd7ff
Code: Unable to access opcode bytes at RIP 0x7f29ae5cd7d5.
RSP: 002b:00007f2994a33a40 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
RAX: fffffffffffffdfc RBX: 00007f29ae93c071 RCX: 00007f29ae5cd7ff
RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00005609fcbf0270
RBP: 00005609fcbf0270 R08: 0000000000000000 R09: 00007f2994a338d0
R10: 00007fffa1576080 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000003 R14: 00007f2994a33ab0 R15: 00005609fcbee6b0
Modules linked in: uinput snd_seq_dummy snd_hrtimer 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr ns bnep iwlmvm intel_rapl_msr pn544_mei mei_phy mac80211 sunrpc pn544 hci intel_rapl_common nfc libarc4 x86_pkg_temp_thermal intel_powerclamp coretemp iTCO_wdt intel_pmc_bxt at24 iTCO_vendor_support kvm_intel iwlwifi mei_hdcp mei_wdt ppdev kvm uvcvideo dell_laptop snd_ctl_led snd_hda_codec_realtek btusb dell_smm_hwmon videobuf2_vmalloc btrtl snd_hda_codec_generic snd_hda_codec_hdmi videobuf2_memops btbcm videobuf2_v4l2 btintel videobuf2_common snd_hda_intel snd_intel_dspcfg irqbypass snd_intel_sdw_acpi bluetooth rapl snd_hda_codec intel_cstate videodev intel_uncore dell_wmi snd_hda_core snd_hwdep ledtrig_audio snd_seq dell_smbios snd_seq_device dcdbas
 sparse_keymap snd_pcm joydev i2c_i801 pcspkr wmi_bmof cfg80211 dell_wmi_descriptor i2c_smbus mc snd_timer lpc_ich ecdh_generic mei_me snd mei soundcore parport_pc parport dell_rbtn rfkill zram ip_tables i915 crct10dif_pclmul crc32_pclmul sdhci_pci crc32c_intel i2c_algo_bit ttm cqhci sdhci drm_kms_helper mmc_core e1000e cec ghash_clmulni_intel drm serio_raw wmi video fuse
CR2: 0000000000000088