Backtrace

BUG: kernel NULL pointer dereference, address: 00000000000002d8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#2] PREEMPT SMP PTI
CPU: 2 PID: 641 Comm: systemd-journal Tainted: G      D           5.17.12-100.fc34.x86_64 #1
Hardware name: LENOVO 2356CN1/2356CN1, BIOS G7ET91WW (2.51 ) 01/22/2013
RIP: 0010:task_nr_scan_windows.isra.0+0x5/0x60
Code: 48 89 c6 e8 bd d3 05 00 48 8b 73 60 48 8b 53 58 48 89 ef 5b b9 02 00 00 00 5d 48 29 f2 41 5c e9 c1 df 05 00 90 0f 1f 44 00 00 <48> 8b 87 d8 02 00 00 8b 0d 02 fc d3 01 48 8b b7 e0 02 00 00 48 8b
RSP: 0018:ffffacfa802dfd38 EFLAGS: 00010246
RAX: 0000000000000064 RBX: ffffa012c8ef0000 RCX: 000000000000000a
RDX: 0000000000000000 RSI: ffffa012c0cb8000 RDI: 0000000000000000
RBP: 0000000000000064 R08: 00000000000003e8 R09: 0000000000000080
R10: 00000000000000f2 R11: 00000000d7656347 R12: 00000000000003e8
R13: ffffa012c7373fc0 R14: 0000000000000000 R15: ffffacfa802dfed0
FS:  00007f3f0903ab40(0000) GS:ffffa013d6680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000002d8 CR3: 000000010375a003 CR4: 00000000001706e0
Call Trace:
 <TASK>
 task_scan_max+0x4c/0x1a0
 init_numa_balancing+0xbb/0x190
 __sched_fork+0x127/0x140
 sched_fork+0xe/0x1b0
 copy_process+0x9d4/0x1c50
 kernel_clone+0x87/0x3b0
 ? __seccomp_filter+0xb9/0x5a0
 __do_sys_clone+0x52/0x60
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3f09c61315
Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00
RSP: 002b:00007ffd70cd8f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f3f067f5640 RCX: 00007f3f09c61315
RDX: 00007f3f067f5910 RSI: 00007f3f067f4af0 RDI: 00000000003d0f00
RBP: 00007ffd70cd9010 R08: 00007f3f067f5640 R09: 00007f3f067f5640
R10: 00007f3f067f5910 R11: 0000000000000206 R12: 00007ffd70cd900e
R13: 00007ffd70cd900f R14: 0000000000000000 R15: 00007f3f067f5640
 </TASK>
Modules linked in: uinput snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc wireguard curve25519_x86_64 libcurve25519_generic ip6_udp_tunnel udp_tunnel nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat iptable_mangle iptable_raw iptable_security ip_set ip6table_filter ip6_tables iptable_filter bnep sunrpc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel mei_hdcp mei_wdt mei_pxp btusb at24 iTCO_wdt intel_pmc_bxt iTCO_vendor_support btrtl snd_hda_codec_hdmi kvm snd_ctl_led btbcm snd_hda_codec_realtek btintel snd_hda_codec_generic iwldvm btmtk bluetooth mac80211 snd_hda_intel irqbypass rapl intel_cstate intel_uncore libarc4 snd_intel_dspcfg snd_intel_sdw_acpi uvcvideo snd_hda_codec videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 pcspkr
 videobuf2_common ecdh_generic joydev wmi_bmof iwlwifi videodev snd_hda_core mc iwlmei think_lmi snd_hwdep firmware_attributes_class cfg80211 snd_seq snd_seq_device i2c_i801 snd_pcm mei_me lpc_ich i2c_smbus thinkpad_acpi ledtrig_audio snd_timer platform_profile mei rfkill snd soundcore nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink zram ip_tables i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec ttm ghash_clmulni_intel serio_raw drm sdhci_pci cqhci sdhci e1000e mmc_core wmi video ipmi_devintf ipmi_msghandler fuse
CR2: 00000000000002d8