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 [#1] SMP NOPTI
CPU: 2 PID: 214725 Comm: firefox Not tainted 5.11.18-300.fc34.x86_64 #1
Hardware name: System76 Lemur Pro/Lemur Pro, BIOS 2020-05-04_46a8b98 04/08/2020
RIP: 0010:__mod_lruvec_page_state+0x69/0xc0
Code: 5f 48 8b 09 48 c1 e9 36 48 8b 3c cd a0 4b d5 9a 48 83 e0 fc 74 31 0f 1f 44 00 00 48 63 8f c0 a0 02 00 4c 8b 8c c8 00 0b 00 00 <49> 3b b9 88 00 00 00 75 3b 44 89 c6 4c 89 cf e9 43 ff ff ff 4c 8d
RSP: 0018:ffff9691c4997c88 EFLAGS: 00010286
RAX: ffff8aa4c4d20200 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0017ffffc0080014 RDI: ffff8aa7de7d3000
RBP: ffffcc1ecc5caf00 R08: 0000000000000011 R09: 0000000000000000
R10: 000000000020d2f3 R11: 0000000000000000 R12: 00007f209bf72000
R13: 80000003172bc865 R14: ffff9691c4997df8 R15: 00007f209bf71000
FS:  0000000000000000(0000) GS:ffff8aa7ce480000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000088 CR3: 0000000087a10005 CR4: 00000000003706e0
Call Trace:
 page_remove_rmap+0x5d/0x330
 unmap_page_range+0x708/0xe10
 unmap_vmas+0x6a/0xd0
 exit_mmap+0x97/0x1c0
 mmput+0x61/0x140
 do_exit+0x30c/0xac0
 do_group_exit+0x33/0xa0
 __x64_sys_exit_group+0x14/0x20
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f227f239021
Code: Unable to access opcode bytes at RIP 0x7f227f238ff7.
RSP: 002b:00007f227efc28f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f227782c4c2 RCX: 00007f227f239021
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000006
RBP: 0000000000000006 R08: ffffffffffffff48 R09: 00007f2277836afc
R10: 0000000000000000 R11: 0000000000000202 R12: 00007f227efc2af0
R13: 00007f227efc29c0 R14: 0000000000000020 R15: 00007f225240f000
Modules linked in: ib_core tun cdc_acm uinput ccm rfcomm snd_seq_dummy snd_hrtimer 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 cmac iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter bnep sunrpc vfat fat squashfs loop snd_hda_codec_hdmi snd_sof_pci snd_sof_intel_hda_common snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_hda_codec_realtek snd_soc_skl snd_hda_codec_generic iwlmvm ledtrig_audio snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi mac80211 snd_hda_intel
 snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core x86_pkg_temp_thermal intel_powerclamp snd_compress snd_pcm_dmaengine coretemp btusb soundwire_cadence libarc4 btrtl kvm_intel snd_hda_codec uvcvideo btbcm btintel snd_hda_core videobuf2_vmalloc iwlwifi bluetooth iTCO_wdt videobuf2_memops kvm ac97_bus snd_hwdep intel_pmc_bxt iTCO_vendor_support intel_rapl_msr snd_seq videobuf2_v4l2 snd_seq_device videobuf2_common snd_pcm irqbypass videodev snd_timer rapl intel_cstate cfg80211 ecdh_generic mc snd intel_uncore i2c_i801 soundcore ecc joydev pcspkr processor_thermal_device processor_thermal_rfim i2c_smbus processor_thermal_mbox processor_thermal_rapl intel_rapl_common system76_acpi int340x_thermal_zone intel_hid intel_pch_thermal intel_soc_dts_iosf rfkill sparse_keymap binfmt_misc zram ip_tables dm_crypt hid_logitech_hidpp i915 rtsx_pci_sdmmc mmc_core video i2c_algo_bit drm_kms_helper crct10dif_pclmul cec crc32_pclmul crc32c_intel drm nvme hid_logitech_dj
 nvme_core rtsx_pci ghash_clmulni_intel serio_raw pinctrl_cannonlake fuse
CR2: 0000000000000088