Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] SMP PTI
CPU: 0 PID: 125790 Comm: load_policy Tainted: P        W IOE     5.10.12-200.fc33.x86_64 #1
Hardware name: Hewlett-Packard HP EliteBook 8570p/17A7, BIOS 68ICF Ver. F.74 04/11/2019
RIP: 0010:hashtab_map+0x27/0x70
Code: 00 00 00 0f 1f 44 00 00 8b 47 08 85 c0 74 60 41 56 45 31 f6 41 55 49 89 fd 41 54 49 89 d4 55 48 89 f5 53 49 8b 55 00 44 89 f0 <48> 8b 1c c2 48 85 db 75 0b eb 25 48 8b 5b 10 48 85 db 74 1c 48 8b
RSP: 0018:ffffa8bec4f1fc08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffffac557580 RDI: ffff9cff98303e08
RBP: ffffffffac557580 R08: fffff251c1fc6208 R09: fffff251c1fc6208
R10: 0000000000000001 R11: 00000000000303c0 R12: 0000000000000000
R13: ffff9cff98303e08 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fcd468f4800(0000) GS:ffff9d0136a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001040b8006 CR4: 00000000001706f0
Call Trace:
 policydb_destroy+0x2da/0x360
 policydb_read+0x34c/0x1fb0
 ? kmem_cache_alloc_trace+0xef/0x1e0
 ? security_load_policy+0x80/0x400
 security_load_policy+0x80/0x400
 ? copy_user_enhanced_fast_string+0xe/0x40
 sel_write_load+0x11b/0xac0
 ? inode_security+0x22/0x60
 ? selinux_file_permission+0xe2/0x120
 vfs_write+0xc3/0x270
 ksys_write+0x4f/0xc0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fcd46aab297
Code: 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
RSP: 002b:00007ffde549a0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcd46aab297
RDX: 00000000007eab52 RSI: 00007fcd38bd9000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 00007fcd46b42040 R09: 00007ffde5499f70
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd38bd9000
R13: 00000000007eab52 R14: 000000000000000f R15: 0000000000000003
Modules linked in: nls_utf8 udf snd_seq_dummy snd_hrtimer rfcomm wl(POE) cfg80211 xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun 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 nf_tables ebtable_nat ebtable_broute 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 nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation btusb btrtl btbcm btintel intel_rapl_msr snd_soc_core bluetooth intel_rapl_common snd_compress x86_pkg_temp_thermal
 snd_pcm_dmaengine intel_powerclamp ecdh_generic ecc soundwire_cadence coretemp snd_hda_codec kvm_intel uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc kvm snd_hda_core ac97_bus snd_hwdep snd_seq iTCO_wdt mei_hdcp snd_seq_device intel_pmc_bxt iTCO_vendor_support irqbypass snd_pcm rapl mei_wdt ppdev intel_cstate snd_timer snd pcspkr intel_uncore joydev mei_me soundcore tpm_infineon parport_pc parport lpc_ich mei hp_wmi sparse_keymap rfkill hp_accel lis3lv02d hp_wireless wmi_bmof binfmt_misc fuse zram ip_tables i915 crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit ghash_clmulni_intel drm_kms_helper sdhci_pci cec cqhci serio_raw firewire_ohci drm sdhci firewire_core e1000e mmc_core crc_itu_t wmi video
CR2: 0000000000000000