Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000030
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] SMP NOPTI
CPU: 3 PID: 1147 Comm: systemd-logind Not tainted 5.9.16-200.fc33.x86_64 #1
Hardware name: Micro-Star International Co., Ltd. GE75 Raider 10SFS/MS-17E9, BIOS E17E9IMS.10D 11/17/2020
RIP: 0010:down_write+0x15/0x40
Code: 00 00 e9 6e fe ff ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 55 48 89 fd e8 d2 e3 ff ff 31 c0 ba 01 00 00 00 <f0> 48 0f b1 55 00 75 0f 65 48 8b 04 25 c0 7b 01 00 48 89 45 08 5d
RSP: 0018:ffffa56a00ce7d50 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff984a45b064b0 RCX: ffff984a89fd0248
RDX: 0000000000000001 RSI: ffff984a45b064b0 RDI: 0000000000000030
RBP: 0000000000000030 R08: 00000000000000c8 R09: 0000000000000000
R10: 0000000000011d30 R11: 0000000000000000 R12: ffff984a839e6e80
R13: 0000000000000030 R14: ffff9849cf759478 R15: ffff9849cf758640
FS:  00007f2c75fb0080(0000) GS:ffff984a8e2c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000030 CR3: 000000040710a002 CR4: 00000000007706e0
PKRU: 55555554
Call Trace:
 dup_mm+0x22c/0x550
 copy_process+0x1966/0x1b30
 _do_fork+0x87/0x3a0
 __do_sys_clone+0x52/0x60
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f2c76f4adcf
Code: ed 0f 85 f4 00 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 8d 00 00 00 41 89 c5 85 c0 0f 85 9a 00 00
RSP: 002b:00007fff9e5e5490 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000056 RCX: 00007f2c76f4adcf
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f2c75fb0080
R10: 00007f2c75fb0350 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff9e5e5560 R14: 0000000000000040 R15: 00007fff9e5e54e0
Modules linked in: uinput rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc ccm cmac 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 nouveau bnep btusb btrtl btbcm btintel bluetooth ttm rtsx_usb_ms memstick ecdh_generic ecc binfmt_misc intel_rapl_msr intel_rapl_common snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda sunrpc snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match x86_pkg_temp_thermal snd_soc_acpi iTCO_wdt vfat intel_powerclamp fat
 coretemp snd_soc_core snd_hda_codec_realtek intel_pmc_bxt iTCO_vendor_support ee1004 ucsi_ccg snd_hda_codec_generic typec_ucsi mei_hdcp typec gpio_keys ledtrig_audio snd_hda_codec_hdmi iwlmvm kvm_intel snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg mac80211 kvm snd_hda_codec snd_hda_core irqbypass libarc4 rapl snd_hwdep snd_seq intel_cstate iwlwifi snd_seq_device intel_uncore msi_wmi snd_pcm i2c_i801 sparse_keymap wmi_bmof snd_timer pcspkr i2c_smbus cfg80211 joydev snd mei_me mei idma64 soundcore rfkill i2c_nvidia_gpu intel_pch_thermal acpi_pad soc_button_array zram ip_tables rtsx_usb_sdmmc mmc_core rtsx_usb hid_multitouch i915 i2c_algo_bit drm_kms_helper mxm_wmi cec crct10dif_pclmul crc32_pclmul crc32c_intel nvme drm ghash_clmulni_intel nvme_core alx serio_raw mdio i2c_hid pinctrl_cannonlake video wmi pinctrl_intel fuse
CR2: 0000000000000030