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 NOPTI
CPU: 2 PID: 141964 Comm: load_policy Tainted: G        W  OE     5.9.16-200.fc33.x86_64 #1
Hardware name: HP HP Laptop 14s-cf3xxx/868C, BIOS F.09 07/27/2020
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:ffffa90e459dbc88 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffff9c53ac50 RDI: ffff9ce18c30ac50
RBP: ffffffff9c53ac50 R08: ffffd1e48033fd08 R09: ffffd1e48033fd08
R10: 0000000000000001 R11: 0000000000000006 R12: 0000000000000000
R13: ffff9ce18c30ac50 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fae7a825800(0000) GS:ffff9ce2bbb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001758ca005 CR4: 0000000000770ee0
PKRU: 55555554
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: 0033:0x7fae7a9dc297
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:00007ffcc9e9caf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fae7a9dc297
RDX: 00000000007fe30e RSI: 00007fae6caf6000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 00007fae7aa73040 R09: 00007ffcc9e9c990
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fae6caf6000
R13: 00000000007fe30e R14: 000000000000000f R15: 0000000000000003
Modules linked in: veth nf_conntrack_netlink xt_addrtype br_netfilter overlay snd_seq_dummy snd_hrtimer uinput rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun 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 snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_hda_codec_hdmi snd_soc_hdac_hda snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core 8821ce(OE) snd_compress cmac ac97_bus snd_hda_codec_realtek snd_hda_codec_generic snd_pcm_dmaengine bnep ledtrig_audio snd_hda_intel
 snd_intel_dspcfg snd_hda_codec snd_hda_core iTCO_wdt snd_hwdep snd_seq snd_seq_device rtw88_8821ce rtw88_8821c rtw88_pci rtw88_core x86_pkg_temp_thermal intel_pmc_bxt intel_powerclamp coretemp sunrpc mei_hdcp iTCO_vendor_support intel_rapl_msr kvm_intel mac80211 kvm btusb btrtl uvcvideo btbcm irqbypass snd_pcm vfat fat btintel rapl intel_cstate squashfs videobuf2_vmalloc videobuf2_memops bluetooth intel_uncore snd_timer cfg80211 loop hp_wmi videobuf2_v4l2 videobuf2_common pcspkr snd sparse_keymap i2c_i801 wmi_bmof i2c_smbus soundcore videodev libarc4 ecdh_generic rfkill processor_thermal_device ecc joydev mc idma64 intel_rapl_common mei_me int340x_thermal_zone intel_soc_dts_iosf mei hp_wireless acpi_pad acpi_tad int3400_thermal acpi_thermal_rel zram ip_tables dm_crypt i915 hid_multitouch i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec drm nvme ghash_clmulni_intel serio_raw nvme_core r8169 wmi i2c_hid video pinctrl_icelake pinctrl_intel fuse
CR2: 0000000000000000