Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000028
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 3 PID: 115 Comm: kswapd0 Tainted: G           OE     5.11.22-100.fc32.x86_64 #1
Hardware name: HP HP ProBook 440 G4/822E, BIOS P85 Ver. 01.06 06/18/2017
RIP: 0010:locks_free_lock_context+0x20/0x70
Code: 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 56 41 55 41 54 55 48 8b af 70 01 00 00 48 85 ed 75 08 5d 41 5c 41 5d 41 5e c3 <48> 8b 45 08 4c 8d 75 08 4c 8d 6d 18 4c 8d 65 28 49 39 c6 0f 85 0e
RSP: 0018:ffffb9f8001fbb68 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff93476480af80 RCX: 000000000000044f
RDX: 0000000000031c00 RSI: 0000000000000000 RDI: ffff93476480af80
RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000
R10: ffff934945940e88 R11: 0000000000000000 R12: ffff93476480af80
R13: ffff934847d96000 R14: ffff934847d96070 R15: 0000000000000132
FS:  0000000000000000(0000) GS:ffff934968380000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000028 CR3: 000000014c020004 CR4: 00000000003706e0
Call Trace:
 __destroy_inode+0x80/0x170
 destroy_inode+0x2a/0x70
 dispose_list+0x48/0x60
 prune_icache_sb+0x44/0x50
 super_cache_scan+0x161/0x1e0
 do_shrink_slab+0x145/0x240
 shrink_slab+0x164/0x280
 shrink_node+0x2c2/0x6f0
 balance_pgdat+0x2ff/0x620
 kswapd+0x1e6/0x360
 ? finish_wait+0x80/0x80
 ? balance_pgdat+0x620/0x620
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30
Modules linked in: binfmt_misc snd_seq_dummy snd_hrtimer uinput rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) cmac bnep tun sunrpc vfat fat squashfs loop snd_hda_codec_hdmi snd_soc_skl snd_hda_codec_conexant snd_hda_codec_generic snd_soc_hdac_hda ledtrig_audio snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_hda_intel uvcvideo snd_intel_dspcfg videobuf2_vmalloc videobuf2_memops intel_rapl_msr soundwire_intel videobuf2_v4l2
 intel_rapl_common soundwire_generic_allocation btusb iwlmvm videobuf2_common iTCO_wdt snd_soc_core mei_hdcp intel_pmc_bxt x86_pkg_temp_thermal intel_powerclamp coretemp ee1004 iTCO_vendor_support mac80211 videodev btrtl btbcm btintel kvm_intel libarc4 bluetooth iwlwifi snd_compress snd_pcm_dmaengine soundwire_cadence mc kvm snd_hda_codec irqbypass rapl intel_cstate snd_hda_core intel_uncore ecdh_generic ecc ac97_bus snd_hwdep snd_seq cfg80211 pcspkr snd_seq_device snd_pcm joydev snd_timer hp_wmi sparse_keymap snd wmi_bmof i2c_i801 soundcore i2c_smbus rfkill mei_me intel_xhci_usb_role_switch mei roles intel_pch_thermal hp_accel hp_wireless lis3lv02d acpi_pad ip_tables dm_crypt i915 i2c_algo_bit rtsx_pci_sdmmc mmc_core drm_kms_helper crct10dif_pclmul crc32_pclmul cec crc32c_intel drm ghash_clmulni_intel serio_raw rtsx_pci r8169 wmi video fuse
CR2: 0000000000000028