Backtrace

BUG: kernel NULL pointer dereference, address: 00000000000003a0
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP PTI
CPU: 7 PID: 1844 Comm: kworker/7:3 Not tainted 6.3.8-200.fc38.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. Default string/X99-SLI-CF, BIOS F24c 06/15/2018
Workqueue: inode_switch_wbs inode_switch_wbs_work_fn
RIP: 0010:down_read+0x1e/0xb0
Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 53 48 89 fb e8 9e c5 ff ff 65 ff 05 0f 16 08 59 be 00 01 00 00 <f0> 48 0f c1 33 48 81 c6 00 01 00 00 78 53 48 b8 07 00 00 00 00 00
RSP: 0018:ffffac0bc334fda8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 00000000000003a0 RCX: ffff950a5fbf3428
RDX: 0000000080000000 RSI: 0000000000000100 RDI: 00000000000003a0
RBP: ffff950a5fbf3400 R08: 7261765e67627368 R09: ffff95047b3aa674
R10: 0000000000000011 R11: fefefefefefefeff R12: ffff950a5fbfdc00
R13: 00000000000003a0 R14: ffff950a0f3bd860 R15: ffff9503930fb000
FS:  0000000000000000(0000) GS:ffff950a5fbc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000003a0 CR3: 000000075c4ca002 CR4: 00000000001706e0
Call Trace:
 <TASK>
 ? __die+0x23/0x70
 ? page_fault_oops+0x171/0x4e0
 ? exc_page_fault+0x7c/0x180
 ? asm_exc_page_fault+0x26/0x30
 ? down_read+0x1e/0xb0
 ? down_read+0x12/0xb0
 inode_switch_wbs_work_fn+0x61/0x7a0
 ? psi_task_switch+0xd6/0x230
 ? __switch_to_asm+0x3e/0x80
 ? finish_task_switch.isra.0+0x94/0x2f0
 ? __schedule+0x451/0x14a0
 ? mod_memcg_lruvec_state+0x15/0x30
 process_one_work+0x1c7/0x3d0
 worker_thread+0x51/0x390
 ? __pfx_worker_thread+0x10/0x10
 kthread+0xde/0x110
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x2c/0x50
 </TASK>
Modules linked in: uas usb_storage uinput snd_seq_dummy snd_hrtimer nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib rfkill ip_set qrtr sunrpc binfmt_misc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal coretemp kvm_intel snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi ledtrig_audio snd_hda_intel kvm iTCO_wdt snd_intel_dspcfg snd_intel_sdw_acpi intel_pmc_bxt iTCO_vendor_support irqbypass snd_hda_codec snd_hda_core rapl snd_hwdep intel_cstate snd_seq pktcdvd snd_seq_device vfat snd_pcm fat intel_uncore mei_me intel_wmi_thunderbolt pcspkr mxm_wmi snd_timer i2c_i801 mei snd lpc_ich i2c_smbus soundcore joydev 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 loop zram r8152 mii amdgpu i2c_algo_bit drm_ttm_helper ttm video iommu_v2 drm_buddy crct10dif_pclmul crc32_pclmul nvme crc32c_intel gpu_sched polyval_clmulni polyval_generic nvme_core
 drm_display_helper ghash_clmulni_intel e1000e sha512_ssse3 serio_raw cec nvme_common wmi ip6_tables ip_tables fuse
CR2: 00000000000003a0