Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000630
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#2] PREEMPT SMP NOPTI
CPU: 6 PID: 9483 Comm: ThreadPoolForeg Tainted: G      D W          6.1.8-100.fc36.x86_64 #1
Hardware name: Micro-Star International Co., Ltd. GF63 Thin 10SCXR/MS-16R4, BIOS E16R4IMS.10B 12/25/2020
RIP: 0010:__mod_lruvec_page_state+0x90/0x1a0
Code: 48 83 e0 fc 80 e6 02 0f 85 fa 00 00 00 48 85 c0 0f 84 b5 00 00 00 0f 1f 44 00 00 49 63 96 00 a2 02 00 48 8b bc d0 90 08 00 00 <4c> 3b b7 30 06 00 00 0f 85 e1 00 00 00 89 da 89 ee e8 1a ff ff ff
RSP: 0018:ffff95d48d7f3b78 EFLAGS: 00010286
RAX: ffff89bfb42be000 RBX: 00000000ffffffff RCX: ffffffffffffffff
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000000
RBP: 0000000000000011 R08: ffff89c1c92ba720 R09: 000000000035e800
R10: 0000000000000000 R11: 0000000000000901 R12: ffffee018debed80
R13: ffffee018debed80 R14: ffff89c25e7d3000 R15: 0000000000000000
FS:  00007f9b99773640(0000) GS:ffff89c24e380000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000630 CR3: 00000002b000a005 CR4: 00000000007706e0
PKRU: 55555558
Call Trace:
 <TASK>
 page_remove_rmap+0x5c/0x550
 unmap_page_range+0x88d/0x1270
 zap_page_range_single+0xf4/0x180
 do_madvise+0xa50/0xef0
 __x64_sys_madvise+0x28/0x30
 do_syscall_64+0x58/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9bf2d0b56b
Code: c3 66 0f 1f 44 00 00 48 8b 15 b1 c8 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 85 c8 0e 00 f7 d8 64 89 01 48
RSP: 002b:00007f9b99771ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 000006ac00219108 RCX: 00007f9bf2d0b56b
RDX: 0000000000000004 RSI: 0000000000040000 RDI: 0000112e0d500000
RBP: 00007f9b99771f60 R08: 000006ac08c6c201 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000006ac00219100
R13: 000006ac055b25b0 R14: 0000000000040000 R15: 0000112e0d500000
 </TASK>
Modules linked in: binfmt_misc uinput rfcomm snd_seq_dummy 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 sunrpc snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof intel_rapl_msr intel_rapl_common snd_sof_utils soundwire_bus iwlmvm snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_hda_codec_hdmi snd_soc_sst_ipc snd_soc_sst_dsp intel_tcc_cooling snd_soc_acpi_intel_match snd_soc_acpi x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek snd_soc_core mac80211 snd_hda_codec_generic coretemp snd_compress ledtrig_audio vfat ac97_bus snd_pcm_dmaengine fat kvm_intel snd_hda_intel squashfs snd_intel_dspcfg snd_intel_sdw_acpi libarc4
 loop iTCO_wdt snd_hda_codec kvm ee1004 intel_pmc_bxt iTCO_vendor_support snd_hda_core irqbypass mei_hdcp btusb mei_pxp gpio_keys snd_hwdep btrtl rapl iwlwifi uvcvideo snd_seq btbcm intel_cstate videobuf2_vmalloc btintel snd_seq_device videobuf2_memops intel_uncore snd_pcm videobuf2_v4l2 btmtk videobuf2_common cfg80211 pcspkr snd_timer bluetooth videodev wmi_bmof snd i2c_i801 mei_me i2c_smbus msi_wmi sparse_keymap soundcore mei mc joydev idma64 rfkill intel_pch_thermal soc_button_array acpi_pad zram i915 nouveau nvme nvme_core drm_buddy drm_ttm_helper drm_display_helper hid_multitouch crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel cec mxm_wmi r8169 sha512_ssse3 serio_raw nvme_common ttm i2c_hid_acpi i2c_hid video wmi pinctrl_cannonlake ip6_tables ip_tables fuse
CR2: 0000000000000630