Backtrace

BUG: unable to handle page fault for address: ffff985a577467f0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#2] SMP NOPTI
CPU: 0 PID: 103 Comm: kswapd0 Tainted: G    B D           5.11.12-300.fc34.x86_64 #1
Hardware name: Google Reef/Reef, BIOS  07/09/2019
RIP: 0010:page_vma_mapped_walk+0x32d/0x890
Code: f8 0f 1f 40 00 48 8b 35 49 27 1f 01 48 89 f1 48 81 e6 00 00 00 c0 48 81 e1 00 f0 ff ff 48 21 c8 48 01 c2 48 03 15 cb cc 1d 01 <48> 8b 3a 49 89 f8 41 81 e0 80 00 00 00 48 0f 45 ce 48 f7 d1 48 21
RSP: 0000:ffffa6fe0011b990 EFLAGS: 00010286
RAX: 0000007317746000 RBX: ffff97e87956c880 RCX: 000ffffffffff000
RDX: ffff985a577467f0 RSI: 000fffffc0000000 RDI: 000000731774656b
RBP: ffffa6fe0011b9c8 R08: fffff0ab01539588 R09: 0000000000000007
R10: ffff97e8496d0d58 R11: 00000000000005e0 R12: fffff0ab01ac3240
R13: 00007f3f8f21d000 R14: ffff97e78fdef640 R15: 00007f3f8f21d000
FS:  0000000000000000(0000) GS:ffff97e8bbc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff985a577467f0 CR3: 0000000069104000 CR4: 00000000003506f0
Call Trace:
 page_referenced_one+0x8b/0x160
 rmap_walk_file+0x13f/0x2b0
 page_referenced+0xe1/0x150
 ? rmap_walk_file+0x2b0/0x2b0
 ? page_get_anon_vma+0x80/0x80
 shrink_page_list+0x7e6/0x1000
 shrink_inactive_list+0x132/0x3a0
 shrink_lruvec+0x496/0x6c0
 ? super_cache_count+0x79/0xf0
 shrink_node+0x2b3/0x6e0
 balance_pgdat+0x2fa/0x620
 kswapd+0x1e6/0x360
 ? finish_wait+0x80/0x80
 ? balance_pgdat+0x620/0x620
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x22/0x30
Modules linked in: uinput snd_seq_dummy rfcomm snd_hrtimer ccm 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 nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter snd_soc_skl_ssp_clk snd_sof_pci snd_sof_intel_hda_common snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_soc_sst_bxt_da7219_max98357a snd_sof intel_telemetry_debugfs intel_telemetry_pltdrv snd_soc_hdac_hdmi intel_punit_ipc snd_soc_dmic intel_telemetry_core snd_sof_xtensa_dsp cmac ledtrig_audio bnep snd_soc_skl x86_pkg_temp_thermal coretemp kvm_intel snd_soc_hdac_hda iwlmvm snd_hda_ext_core mac80211 iTCO_wdt intel_rapl_msr iTCO_vendor_support libarc4 snd_soc_sst_ipc sunrpc snd_soc_sst_dsp
 snd_soc_acpi_intel_match snd_soc_acpi snd_hda_intel kvm snd_intel_dspcfg soundwire_intel iwlwifi soundwire_generic_allocation soundwire_cadence snd_soc_da7219 snd_hda_codec snd_soc_max98357a btusb irqbypass rapl intel_cstate snd_soc_core btrtl btbcm btintel bluetooth cfg80211 uvcvideo snd_hda_core snd_compress snd_hwdep snd_pcm_dmaengine ac97_bus pcspkr snd_seq videobuf2_vmalloc snd_seq_device videobuf2_memops videobuf2_v4l2 snd_pcm i2c_i801 videobuf2_common i2c_smbus mei_me videodev joydev spi_pxa2xx_platform lpc_ich dw_dmac ecdh_generic mc mei ecc rfkill intel_xhci_usb_role_switch idma64 roles acpi_als snd_timer kfifo_buf industrialio intel_th_gth snd elan_i2c processor_thermal_device intel_th_pci int3403_thermal int3400_thermal processor_thermal_rfim elants_i2c soundcore processor_thermal_mbox processor_thermal_rapl intel_th acpi_thermal_rel intel_rapl_common intel_pmc_bxt chromeos_pstore int340x_thermal_zone intel_soc_dts_iosf zram ip_tables i915 mmc_block sdhci_pci
 crct10dif_pclmul cqhci crc32_pclmul crc32c_intel sdhci video i2c_algo_bit ghash_clmulni_intel drm_kms_helper mmc_core cec serio_raw drm i2c_hid pinctrl_broxton fuse
CR2: ffff985a577467f0