Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 2 PID: 96721 Comm: umount Not tainted 6.0.8-300.fc37.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./A320M-HDV R4.0, BIOS P3.70 11/13/2019
RIP: 0010:locked_inode_to_wb_and_lock_list+0x1c/0x160
Code: 2a d6 ff ff e9 75 ff ff ff 0f 0b 0f 1f 00 0f 1f 44 00 00 41 55 4c 8d af 88 00 00 00 41 54 55 48 89 fd 53 48 8b 9d f8 00 00 00 <48> 8b 03 48 83 c0 60 48 39 c3 74 1d e8 f3 cb d8 ff 48 8b 83 50 02
RSP: 0018:ffffabec4c197cc0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffabec4c197d60
RDX: 0000000000000001 RSI: ffff98a748909148 RDI: ffff98a748909040
RBP: ffff98a748909040 R08: 0000000000000090 R09: 0000000000000090
R10: ffff98a406108000 R11: 0000000000000fff R12: ffff98a748909128
R13: ffff98a7489090c8 R14: ffff98a4035bdc70 R15: ffff98a4035bdc70
FS:  00007ff5483cb800(0000) GS:ffff98aa80680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000109e34000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 inode_io_list_del+0x2c/0x90
 evict+0x50/0x1d0
 dispose_list+0x48/0x70
 evict_inodes+0x151/0x190
 generic_shutdown_super+0x37/0x130
 kill_anon_super+0x14/0x30
 btrfs_kill_super+0x12/0x20
 deactivate_locked_super+0x2f/0xa0
 cleanup_mnt+0xbd/0x150
 task_work_run+0x5c/0x90
 exit_to_user_mode_prepare+0x1c8/0x1f0
 syscall_exit_to_user_mode+0x17/0x40
 do_syscall_64+0x67/0x80
 ? __do_sys_newfstatat+0x2e/0x50
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff5485deb3b
Code: fb 62 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 90 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 c1 62 0c 00 f7 d8
RSP: 002b:00007ffecf1732c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000561202f624a0 RCX: 00007ff5485deb3b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000561202f63a40
RBP: 0000561202f625b8 R08: 00007ff5486a5c90 R09: 0000000000000073
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000561202f63a40 R14: 0000561202f63a60 R15: 0000561202f624a0
 </TASK>
Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache netfs tls snd_seq_dummy snd_hrtimer rfcomm tun rpcrdma rdma_cm iw_cm ib_cm ib_core bridge stp llc qrtr bnep vfat fat intel_rapl_msr snd_hda_codec_realtek snd_hda_codec_generic intel_rapl_common ledtrig_audio snd_hda_codec_hdmi edac_mce_amd snd_hda_intel kvm_amd snd_intel_dspcfg kvm snd_intel_sdw_acpi snd_hda_codec irqbypass snd_hda_core snd_hwdep snd_seq squashfs loop rapl snd_seq_device pcspkr btusb wmi_bmof snd_pcm k10temp btrtl btbcm btintel usblp i2c_piix4 snd_timer btmtk snd bluetooth soundcore joydev rfkill gpio_amdpt gpio_generic acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd grace sunrpc zram amdgpu drm_ttm_helper ttm crct10dif_pclmul crc32_pclmul iommu_v2 gpu_sched crc32c_intel drm_buddy polyval_clmulni polyval_generic drm_display_helper nvme ghash_clmulni_intel nvme_core sp5100_tco ccp cec r8169 nvme_common video wmi ip6_tables ip_tables fuse [last unloaded: nct6775_core]
CR2: 0000000000000000