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: 76061 Comm: load_policy Tainted: P           OE     5.8.15-301.fc33.x86_64 #1
Hardware name: Parallels Software International Inc. Parallels Virtual Platform/Parallels Virtual Platform, BIOS 16.1.3 (49160) 01/27/2021
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:ffffa66241333c98 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffffb55564c0 RDI: ffff8adba8a0dda0
RBP: ffffffffb55564c0 R08: fffff17640015c08 R09: fffff17640015c08
R10: 0000000000000001 R11: 0000000000000006 R12: 0000000000000000
R13: ffff8adba8a0dda0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f61c822f800(0000) GS:ffff8adbfd600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000078d60001 CR4: 00000000003606f0
Call Trace:
 policydb_destroy+0x2da/0x360
 policydb_read+0x357/0x1b80
 ? kvm_sched_clock_read+0xd/0x20
 ? exc_page_fault+0x81/0x1a0
 ? _cond_resched+0x16/0x40
 ? security_load_policy+0x109/0x5c0
 security_load_policy+0x109/0x5c0
 ? copy_user_generic_unrolled+0x32/0xc0
 sel_write_load+0xeb/0x1b0
 vfs_write+0xc7/0x1f0
 ksys_write+0x4f/0xc0
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f61c83e64e7
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:00007fffdb9fdcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f61c83e64e7
RDX: 00000000007e8fff RSI: 00007f61c7a46000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 00007f61c847d040 R09: 00007fffdb9fdb70
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f61c7a46000
R13: 00000000007e8fff R14: 000000000000000f R15: 0000000000000003
Modules linked in: prl_vid(POE) prl_tg(POE) nls_utf8 isofs 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 nf_tables ip6table_filter ip6_tables iptable_filter ip_tables uinput ip_set rfkill nfnetlink sunrpc snd_hda_codec_generic ledtrig_audio snd_hda_intel intel_rapl_msr snd_intel_dspcfg gpio_ich snd_hda_codec intel_rapl_common x86_pkg_temp_thermal snd_hda_core snd_hwdep coretemp snd_seq rapl snd_seq_device uvcvideo snd_pcm videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common joydev videodev snd_timer mc snd i2c_i801 pcspkr soundcore i2c_smbus virtio_balloon lpc_ich sbs sbshc pvpanic zram crct10dif_pclmul crc32_pclmul crc32c_intel virtio_gpu drm_kms_helper
 ghash_clmulni_intel cec serio_raw drm ata_generic pata_acpi virtio_net net_failover failover fuse [last unloaded: ip_tables]
CR2: 0000000000000000