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: 3 PID: 127287 Comm: load_policy Tainted: P          IOE     5.11.18-300.fc34.x86_64 #1
Hardware name: TOSHIBA Satellite C55-C/06F2                            , BIOS 5.10 09/11/2015
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:ffffb860c6eb3c08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004
RDX: 0000000000000000 RSI: ffffffff8f565480 RDI: ffff9a2a8f49a208
RBP: ffffffff8f565480 R08: ffffea3a80a5c608 R09: ffffea3a80a5c608
R10: 0000000000009c50 R11: 0000000000000000 R12: 0000000000000000
R13: ffff9a2a8f49a208 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f78d47b9200(0000) GS:ffff9a2ce6d80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000025bed0001 CR4: 00000000003706e0
Call Trace:
 policydb_destroy+0x2da/0x360
 policydb_read+0x34f/0x1f90
 ? kmem_cache_alloc_trace+0xef/0x1e0
 ? security_load_policy+0x80/0x4b0
 security_load_policy+0x80/0x4b0
 ? copy_user_enhanced_fast_string+0xe/0x40
 sel_write_load+0x11b/0xac0
 ? selinux_file_permission+0x104/0x150
 vfs_write+0xbf/0x270
 ksys_write+0x4f/0xc0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f78d4949387
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:00007fff266cb108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000021 RCX: 00007f78d4949387
RDX: 0000000000346786 RSI: 00007f78c6f41000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fff266cafa0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000346786
R13: 00007f78c6f41000 R14: 00007f78d4a501a0 R15: 0000000000000003
Modules linked in: uinput bnep 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 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 sunrpc vfat fat squashfs loop btusb btrtl btbcm btintel bluetooth uvcvideo ecdh_generic videobuf2_vmalloc ecc videobuf2_memops snd_hda_codec_conexant snd_hda_codec_generic snd_hda_codec_hdmi videobuf2_v4l2 ledtrig_audio intel_rapl_msr snd_hda_intel intel_rapl_common videobuf2_common snd_intel_dspcfg soundwire_intel soundwire_generic_allocation videodev x86_pkg_temp_thermal intel_powerclamp snd_soc_core coretemp
 kvm_intel mei_hdcp iTCO_wdt at24 intel_pmc_bxt iTCO_vendor_support mc kvm snd_compress snd_pcm_dmaengine soundwire_cadence snd_hda_codec wl(POE) irqbypass rapl cfg80211 snd_hda_core intel_cstate ac97_bus intel_uncore snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr wmi_bmof toshiba_acpi snd_timer sparse_keymap i2c_i801 mei_me snd industrialio lpc_ich i2c_smbus soundcore mei toshiba_bluetooth rfkill acpi_pad zram ip_tables i915 i2c_algo_bit rtsx_pci_sdmmc drm_kms_helper mmc_core cec drm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel rtsx_pci serio_raw r8169 wmi video fuse
CR2: 0000000000000000