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: 11 PID: 119283 Comm: load_policy Tainted: P          IOE     5.11.14-200.fc33.x86_64 #1
Hardware name: Dell Inc. Precision WorkStation T3500  /09KPNV, BIOS A13 10/30/2011
RIP: 0010:hashtab_map+0x27/0x70
Code: 00 00 00 66 66 66 66 90 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:ffffb8494a5d3c18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffff8d5698f0 RDI: ffff9a513a78a208
RBP: ffffffff8d5698f0 R08: fffffcb5c51ac708 R09: fffffcb5c51ac708
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: ffff9a513a78a208 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f29800c2800(0000) GS:ffff9a51918c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001132f8004 CR4: 00000000000206e0
Call Trace:
 policydb_destroy+0x2da/0x360
 policydb_read+0x34c/0x1fb0
 ? security_load_policy+0x62/0x440
 ? security_load_policy+0x80/0x440
 security_load_policy+0x80/0x440
 ? copy_user_generic_string+0x2c/0x40
 sel_write_load+0x11b/0xac0
 ? 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: 0033:0x7f29802794e7
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:00007ffd1e538be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f29802794e7
RDX: 00000000007fd67d RSI: 00007f2972394000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 00007f2980310040 R09: 00007ffd1e538a80
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2972394000
R13: 00000000007fd67d R14: 000000000000000f R15: 0000000000000003
Modules linked in: nls_utf8 isofs snd_seq_dummy snd_hrtimer uas usb_storage bluetooth ecdh_generic ecc 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 vmnet(OE) vmw_vsock_vmci_transport vsock vmw_vmci vmmon(OE) sunrpc snd_hda_codec_analog snd_hda_codec_generic intel_powerclamp iTCO_wdt ledtrig_audio snd_hda_codec_hdmi ppdev intel_pmc_bxt nvidia_drm(POE) coretemp iTCO_vendor_support gpio_ich snd_hda_intel nvidia_modeset(POE) snd_intel_dspcfg soundwire_intel iwlmvm kvm_intel dell_smm_hwmon soundwire_generic_allocation snd_soc_core kvm mac80211 snd_compress dell_wmi irqbypass snd_pcm_dmaengine dell_smbios
 soundwire_cadence intel_cstate dcdbas libarc4 snd_hda_codec intel_uncore sparse_keymap nvidia(POE) snd_hda_core video pcspkr wmi_bmof dell_wmi_descriptor i2c_i801 iwlwifi ac97_bus snd_hwdep i2c_smbus snd_seq joydev snd_seq_device snd_pcm cfg80211 snd_timer drm_kms_helper snd parport_pc cec soundcore parport rfkill lpc_ich i7core_edac acpi_cpufreq drm zram ip_tables hid_logitech_hidpp crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw tg3 wmi hid_logitech_dj fuse
CR2: 0000000000000000