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: 209255 Comm: load_policy Tainted: P        W  OE     5.11.14-300.fc34.x86_64 #1
Hardware name: Apple Inc. MacBookAir7,1/Mac-9F18E312C5C2BF0B, BIOS MBA71.88Z.0178.B00.1806051659 06/05/2018
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:ffffb54e01367c08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004
RDX: 0000000000000000 RSI: ffffffffbc564e00 RDI: ffff9cc3e58d2e08
RBP: ffffffffbc564e00 R08: fffff91b81271a08 R09: fffff91b81271a08
R10: 0000000000076f08 R11: 0000000000000000 R12: 0000000000000000
R13: ffff9cc3e58d2e08 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fdc44afd200(0000) GS:ffff9cc4e6c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001035e2004 CR4: 00000000003706f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000080 DR6: 00000000fffe0ff0 DR7: 0000000020000400
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: 0033:0x7fdc44c8d7a7
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:00007ffff77fbb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000021 RCX: 00007fdc44c8d7a7
RDX: 000000000035089c RSI: 00007fdc447ab000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffff77fba20
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000035089c
R13: 00007fdc447ab000 R14: 00007fdc44d941a0 R15: 0000000000000003
Modules linked in: tun isofs loop vfat fat uas usb_storage uinput snd_seq_dummy rfcomm 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 cmac bnep sunrpc nls_utf8 hfsplus intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_cirrus snd_hda_codec_generic ledtrig_audio coretemp snd_hda_codec_hdmi kvm_intel snd_hda_intel snd_intel_dspcfg kvm soundwire_intel soundwire_generic_allocation snd_soc_core btusb btrtl joydev mei_hdcp btbcm btintel iTCO_wdt intel_pmc_bxt iTCO_vendor_support
 bluetooth applesmc snd_compress snd_pcm_dmaengine soundwire_cadence snd_hda_codec irqbypass rapl intel_cstate intel_uncore snd_hda_core ecdh_generic ecc pcspkr ac97_bus bcm5974 snd_hwdep thunderbolt snd_seq apple_mfi_fastcharge snd_seq_device snd_pcm i2c_i801 mei_me intel_pch_thermal snd_timer i2c_smbus mei lpc_ich spi_pxa2xx_pci snd soundcore acpi_als sbs kfifo_buf industrialio sbshc spi_pxa2xx_platform dw_dmac apple_bl wl(POE) cfg80211 rfkill zram ip_tables xfs dm_crypt i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec drm ghash_clmulni_intel nvme nvme_core video applespi hid_apple fuse
CR2: 0000000000000000