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: 1 PID: 250221 Comm: load_policy Tainted: P           OE     5.9.16-200.fc33.x86_64 #1
Hardware name: Apple Inc. MacBookAir6,1/Mac-35C1E88140C3E6CF, BIOS 110.0.0.0.0 09/17/2018
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:ffffaab583c1fc88 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffff9a53ac50 RDI: ffff904001bcc450
RBP: ffffffff9a53ac50 R08: ffffce1d44591908 R09: ffffce1d44591908
R10: 0000000000000001 R11: 0000000000000006 R12: 0000000000000000
R13: ffff904001bcc450 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f6905c95800(0000) GS:ffff90412b280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000014639c002 CR4: 00000000001706e0
Call Trace:
 policydb_destroy+0x2da/0x360
 policydb_read+0x34c/0x1fb0
 ? _cond_resched+0x16/0x40
 ? kmem_cache_alloc_trace+0xef/0x1f0
 ? security_load_policy+0x109/0x5c0
 security_load_policy+0x109/0x5c0
 ? copy_user_enhanced_fast_string+0xe/0x30
 sel_write_load+0xeb/0x1b0
 vfs_write+0xc7/0x210
 ksys_write+0x4f/0xc0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f6905e4c297
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:00007ffea80d24f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6905e4c297
RDX: 00000000007eab46 RSI: 00007f69054aa000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 00007f6905ee3040 R09: 00007ffea80d2390
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69054aa000
R13: 00000000007eab46 R14: 000000000000000f R15: 0000000000000003
Modules linked in: isofs uas usb_storage snd_seq_dummy snd_hrtimer uinput rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter tun bridge stp llc wireguard libchacha20poly1305 chacha_x86_64 poly1305_x86_64 libblake2s blake2s_x86_64 ip6_udp_tunnel udp_tunnel curve25519_x86_64 libcurve25519_generic libchacha libblake2s_generic cmac bnep btusb btrtl btbcm btintel bluetooth ecdh_generic ecc sunrpc joydev bcm5974 apple_mfi_fastcharge intel_rapl_msr iTCO_wdt mei_hdcp intel_pmc_bxt iTCO_vendor_support intel_rapl_common wl(POE) x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel nls_utf8 hfsplus kvm cfg80211 applesmc snd_hda_codec_cirrus snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel irqbypass rapl intel_cstate snd_intel_dspcfg intel_uncore snd_hda_codec snd_hda_core
 thunderbolt mei_me snd_hwdep mei snd_seq rfkill snd_seq_device snd_pcm i2c_i801 lpc_ich snd_timer snd i2c_smbus soundcore acpi_als kfifo_buf sbs industrialio spi_pxa2xx_platform sbshc dw_dmac apple_bl zram ip_tables dm_crypt i915 i2c_algo_bit drm_kms_helper cec drm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel hid_apple applespi video fuse
CR2: 0000000000000000