Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000008
#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: 19213 Comm: load_policy Tainted: G         C        5.8.18-100.fc31.x86_64 #1
Hardware name: Positivo Tecnologia SA CHT14B/CHT14B, BIOS V08.02.X 11/03/2017
RIP: 0010:cond_list_destroy.isra.0+0x31/0x70
Code: 41 55 49 89 fd 41 54 55 53 85 c0 74 3e 49 89 f4 31 db 89 da 83 c3 01 48 8d 04 d5 00 00 00 00 48 29 d0 49 8b 55 00 48 8d 2c c2 <48> 8b 7d 08 e8 b6 04 d9 ff 48 8b 7d 18 e8 ad 04 d9 ff 48 8b 7d 28
RSP: 0000:ffffbeefc2a23cb0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000020
RDX: 0000000000000000 RSI: ffff9c6e223b2d40 RDI: ffff9c6e223b2d38
RBP: 0000000000000000 R08: ffffe86c41410388 R09: ffffe86c41410388
R10: 0000000000030380 R11: 00000000ffffffff R12: ffff9c6e223b2d40
R13: ffff9c6e223b2d38 R14: ffffbeefc2a23e18 R15: ffff9c6e223b2b00
FS:  00007f14227776c0(0000) GS:ffff9c6e33280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 000000000bcb6000 CR4: 00000000001006e0
Call Trace:
 policydb_destroy+0x15d/0x260
 policydb_read+0x343/0x1b70
 ? security_load_policy+0x110/0x5c0
 security_load_policy+0x110/0x5c0
 ? copy_user_enhanced_fast_string+0xe/0x30
 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: 0033:0x7f14229264a7
Code: 64 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 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:00007fffd1b33b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f14229264a7
RDX: 0000000000850609 RSI: 00007f1421f23000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 00000000ffffffff R09: 00007fffd1b339c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1421f23000
R13: 0000000000850609 R14: 000000000000000f R15: 0000000000000003
Modules linked in: rfcomm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security tun iptable_nat nf_nat bridge iptable_mangle stp llc iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat mei_hdcp snd_soc_sst_byt_cht_es8316 iTCO_wdt intel_rapl_msr intel_pmc_bxt iTCO_vendor_support gpio_keys uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common joydev intel_powerclamp coretemp kvm_intel videodev mc r8723bs(C) kvm irqbypass intel_cstate pcspkr axp288_fuel_gauge cfg80211 axp288_adc extcon_axp288 industrialio snd_intel_sst_acpi axp288_charger axp20x_pek snd_intel_sst_core snd_soc_sst_atom_hifi2_platform
 snd_soc_acpi_intel_match snd_soc_acpi processor_thermal_device mei_txe intel_rapl_common mei snd_hdmi_lpe_audio intel_xhci_usb_role_switch lpc_ich roles intel_soc_dts_iosf snd_soc_es8316 snd_soc_core intel_atomisp2_pm hci_uart snd_compress ac97_bus snd_pcm_dmaengine snd_seq btqca btrtl snd_seq_device btbcm snd_pcm btintel bluetooth intel_hid sparse_keymap intel_cht_int33fe snd_timer snd ecdh_generic spi_pxa2xx_platform rfkill soundcore ecc dw_dmac int3400_thermal acpi_thermal_rel int3406_thermal int3403_thermal int340x_thermal_zone intel_int0002_vgpio soc_button_array acpi_pad ip_tables i915 mmc_block crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit ghash_clmulni_intel drm_kms_helper cec drm hid_ite sdhci_acpi sdhci video mmc_core pwm_lpss_platform pwm_lpss fuse
CR2: 0000000000000008