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 [#2] PREEMPT SMP PTI
CPU: 1 PID: 6083 Comm: ThreadPoolForeg Tainted: G      D           5.17.12-300.fc36.x86_64 #1
Hardware name: POSITIVO                        POSITIVO MOBILE                /M14                            , BIOS 1.27    12/05/2011
RIP: 0010:free_unref_page_list+0xe2/0x2c0
Code: 00 04 00 48 39 f1 73 67 48 8b 35 11 66 8b 02 48 85 f6 74 13 48 8b 34 ce 48 85 f6 74 0a 83 e0 7f 48 c1 e0 05 48 01 c6 4c 89 f8 <48> 8b 76 08 48 c1 e8 09 83 e0 3f 8d 0c 85 00 00 00 00 48 c1 e8 04
RSP: 0018:ffffa311c2133cc8 EFLAGS: 00010246
RAX: 00000000fedc1f5a RBX: ffffa311c2133d38 RCX: 00000000000003fb
RDX: 0007ffffc0000000 RSI: 0000000000000000 RDI: fffff599410f1080
RBP: fffff599410f1088 R08: fffff599422c0508 R09: 0000000000003d76
R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000100
R13: fffff599410f1080 R14: fffff599422c0500 R15: 00000000fedc1f5a
FS:  00007f1cc49b6640(0000) GS:ffff9669bbd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 00000000b6f6c000 CR4: 00000000000406e0
Call Trace:
 <TASK>
 release_pages+0xdd/0x500
 tlb_finish_mmu+0x7a/0x1a0
 zap_page_range+0xf5/0x140
 do_madvise.part.0+0xaa7/0xda0
 __x64_sys_madvise+0x57/0x70
 do_syscall_64+0x3a/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f1cd739954b
Code: c3 66 0f 1f 44 00 00 48 8b 15 d1 b8 0e 00 f7 d8 64 89 02 b8 ff ff ff ff eb bc 0f 1f 44 00 00 f3 0f 1e fa b8 1c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a5 b8 0e 00 f7 d8 64 89 01 48
RSP: 002b:00007f1cc49b4688 EFLAGS: 00000206 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1cd739954b
RDX: 0000000000000004 RSI: 000000000000c000 RDI: 00003160040e0000
RBP: 00007f1cc49b46b0 R08: 0000000000000000 R09: 00007f1cc49b433f
R10: 00000000000000c3 R11: 0000000000000206 R12: 0000000000000000
R13: 0000316004001700 R14: 000000000000c000 R15: 00003160040e0000
 </TASK>
Modules linked in: tls ntfs3 uas usb_storage uinput hidp snd_seq_dummy rfcomm snd_hrtimer 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_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr bnep iTCO_wdt intel_pmc_bxt iTCO_vendor_support gpio_ich at24 sunrpc snd_hda_codec_hdmi btusb snd_hda_codec_idt snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec binfmt_misc snd_hda_core rtl8192ce rtl_pci snd_hwdep snd_seq rtl8192c_common btrtl rtlwifi btbcm asus_wmi coretemp mac80211 snd_seq_device btintel snd_pcm sparse_keymap platform_profile btmtk joydev bluetooth i2c_i801 libarc4 i2c_smbus pcspkr cfg80211 snd_timer ecdh_generic snd lpc_ich jmb38x_ms jme rfkill mii memstick soundcore acpi_cpufreq zram i915 sdhci_pci cqhci sdhci mmc_core serio_raw ttm wmi video ip6_tables
 ip_tables ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000008