Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000010
#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: 1422 Comm: pulseaudio Not tainted 5.5.13-200.fc31.x86_64 #1
Hardware name: LENOVO 80R7/Lenovo 100-14IBY, BIOS CCCN19WW(V2.05) 01/12/2016
RIP: 0010:sock_has_perm+0x33/0xa0
Code: 48 89 fa b9 07 00 00 00 4c 8b 9f 88 02 00 00 65 48 8b 04 25 28 00 00 00 48 89 44 24 58 31 c0 4c 8d 4c 24 20 4c 89 cf f3 48 ab <45> 8b 53 10 41 83 fa 01 74 47 48 89 54 24 28 41 89 f0 41 0f b7 4b
RSP: 0018:ffff9ae341017c50 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000040000040 RCX: 0000000000000000
RDX: ffff8f7e64b4ac00 RSI: 0000000000000002 RDI: ffff9ae341017ca8
RBP: 0000000000000800 R08: 0000000040000000 R09: ffff9ae341017c70
R10: 0000000000000800 R11: 0000000000000000 R12: ffff9ae341017ec0
R13: ffff8f7e3446ad80 R14: ffffffffb57392a0 R15: 0000000000000000
FS:  00007f6aa6bb1dc0(0000) GS:ffff8f7e77c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000010 CR3: 0000000271130000 CR4: 00000000001006f0
Call Trace:
 security_socket_recvmsg+0x40/0x60
 sock_recvmsg+0x1d/0x70
 ____sys_recvmsg+0x83/0x180
 ? import_iovec+0x37/0xf0
 ? copy_msghdr_from_user+0xd6/0x150
 ___sys_recvmsg+0x80/0xc0
 ? __seccomp_filter+0x7b/0x670
 __sys_recvmsg+0x56/0xa0
 do_syscall_64+0x5b/0x1c0
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f6aa75f076d
Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 8a ed ff ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2f 44 89 c7 48 89 44 24 08 e8 be ed ff ff 48
RSP: 002b:00007ffeecc2bc00 EFLAGS: 00000293 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6aa75f076d
RDX: 0000000040000000 RSI: 00007ffeecc2bcd0 RDI: 0000000000000009
RBP: 00007ffeecc2bd40 R08: 0000000000000000 R09: 0000000000000009
R10: 0000000000000fa0 R11: 0000000000000293 R12: 00007ffeecc2bcd0
R13: 000055f2bf7b26e8 R14: 00007ffeecc2bd74 R15: 0000000000000000
Modules linked in: vfat fat uas usb_storage uinput rfcomm ccm 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 iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c tun bridge stp llc ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc squashfs zstd_decompress loop rtl8723be btcoexist rtl8723_common rtl_pci intel_soc_dts_thermal rtlwifi intel_powerclamp mac80211 coretemp kvm_intel snd_hda_codec_hdmi kvm uvcvideo snd_usb_audio videobuf2_vmalloc videobuf2_memops snd_hda_codec_realtek snd_hda_codec_generic videobuf2_v4l2 cfg80211 ledtrig_audio irqbypass iTCO_wdt btusb videobuf2_common snd_hda_intel mei_hdcp btrtl btbcm iTCO_vendor_support
 crct10dif_pclmul snd_intel_dspcfg btintel intel_rapl_msr snd_usbmidi_lib crc32_pclmul bluetooth videodev joydev snd_hda_codec snd_rawmidi ghash_clmulni_intel ecdh_generic mc libarc4 ecc intel_cstate snd_hda_core snd_hwdep wmi_bmof pcspkr snd_seq snd_seq_device snd_pcm ideapad_laptop sparse_keymap snd_timer rfkill snd soundcore mei_txe processor_thermal_device intel_rapl_common int3400_thermal intel_soc_dts_iosf mei int3403_thermal int340x_thermal_zone lpc_ich acpi_thermal_rel i2c_i801 binfmt_misc ip_tables i915 i2c_algo_bit drm_kms_helper rtsx_pci_sdmmc mmc_core drm crc32c_intel rtsx_pci serio_raw r8169 wmi video fuse
CR2: 0000000000000010