Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000030
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#2] SMP PTI
CPU: 2 PID: 2146 Comm: (fprintd) Tainted: G      D           5.14.18-100.fc33.x86_64 #1
Hardware name: LENOVO 1037                            /Base Board Product Name, BIOS 40CN09WW(V3.08) 10/07/2011
RIP: 0010:ops_init+0x12/0x130
Code: 01 00 00 00 e8 7f d7 c5 ff eb cb 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 41 57 41 56 41 55 41 54 49 89 f4 55 53 <48> 8b 6f 30 48 89 fb 48 85 ed 74 0b 48 8b 7f 38 31 ed 48 85 ff 75
RSP: 0018:ffffa034c1087de0 EFLAGS: 00010203
RAX: 0000000000000000 RBX: ffff92fcd7d0b0c0 RCX: ffff92fce352bd90
RDX: ffff92fce352bcb1 RSI: ffff92fcd7d0b0c0 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff92fbcf60ac78
R10: ffff92fbcf60ac00 R11: ffffe9c6848d4a88 R12: ffff92fcd7d0b0c0
R13: 0000000000000000 R14: ffffa034c1087e18 R15: 0000000000000000
FS:  00007f12e946fb80(0000) GS:ffff92fcfba80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000030 CR3: 0000000023df4005 CR4: 00000000000606e0
Call Trace:
 setup_net+0x108/0x280
 copy_net_ns+0x131/0x2a0
 create_new_namespaces+0x113/0x2e0
 unshare_nsproxy_namespaces+0x55/0xa0
 ksys_unshare+0x16c/0x350
 __x64_sys_unshare+0xe/0x20
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f12ea37c2eb
Code: 73 01 c3 48 8b 0d 8d 1b 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 5d 1b 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffd366d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 000055ccaf4e8dc8 RCX: 00007f12ea37c2eb
RDX: 0000000000000000 RSI: 00007ffd366d0be0 RDI: 0000000040000000
RBP: 00007ffd366d0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00000000fffffff5 R15: 000055ccaf4d5c10
Modules linked in: 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 nf_tables ebtable_nat ebtable_broute 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 nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter bnep sunrpc ath9k uvcvideo ath9k_common videobuf2_vmalloc ath9k_hw snd_hda_codec_hdmi snd_hda_codec_conexant mac80211 snd_hda_codec_generic videobuf2_memops videobuf2_v4l2 videobuf2_common ledtrig_audio snd_hda_intel videodev btusb ath btrtl btbcm btintel bluetooth snd_intel_dspcfg cfg80211 mc snd_intel_sdw_acpi snd_hda_codec snd_hda_core ecdh_generic rtsx_usb_ms memstick snd_hwdep
 snd_seq snd_seq_device intel_rapl_msr iTCO_wdt mei_hdcp at24 intel_pmc_bxt iTCO_vendor_support snd_pcm intel_rapl_common ideapad_laptop x86_pkg_temp_thermal intel_powerclamp coretemp rapl intel_cstate intel_uncore platform_profile sparse_keymap snd_timer snd libarc4 joydev rfkill wmi soundcore mei_me mei i2c_i801 lpc_ich pcspkr i2c_smbus zram ip_tables i915 i2c_algo_bit ttm drm_kms_helper rtsx_usb_sdmmc mmc_core cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel uas usb_storage serio_raw rtsx_usb atl1c video fuse
CR2: 0000000000000030