Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000020
#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: 0 PID: 77057 Comm: vim Not tainted 5.18.6-100.fc35.x86_64 #1
Hardware name: BIOSTAR Group A68MD PRO/A68MD PRO, BIOS 4.6.5 10/08/2018
RIP: 0010:afs_getattr+0x119/0x160 [kafs]
Code: 41 5d c3 cc 83 ea 01 41 89 54 24 08 85 c0 74 8a 4c 8d ad a0 04 00 00 4c 89 ef e8 82 60 9c ce 31 c0 eb d5 48 8b 85 90 02 00 00 <48> 8b 78 20 e8 ae 8f 00 00 49 89 c5 48 3d 00 f0 ff ff 0f 87 62 ff
RSP: 0018:ffffb4fe4933fd30 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000000007ff
RDX: ffffb4fe4933fdd8 RSI: ffffb4fe4933fd68 RDI: ffffffff90e557a0
RBP: ffff97e4cc193dc0 R08: 0000000000000000 R09: ffffb4fe4933fdd8
R10: ffffb4fe4933fd68 R11: 0000000000000001 R12: ffffb4fe4933fdd8
R13: ffff97e54519c000 R14: 0000000000000900 R15: 0000000000000000
FS:  00007f151ea46f80(0000) GS:ffff97e81c800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000020 CR3: 000000033b516000 CR4: 00000000000506f0
Call Trace:
 <TASK>
 vfs_statx+0x9e/0x110
 vfs_fstatat+0x54/0x70
 __do_sys_newfstatat+0x13/0x30
 do_syscall_64+0x5c/0x80
 ? exit_to_user_mode_prepare+0x149/0x1f0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x69/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x69/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x69/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f151e73dcbe
Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 07 00 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 0b 31 c0 c3 0f 1f 84 00 00 00 00 00 48 8b 15 29
RSP: 002b:00007ffe8cf3bfe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007ffe8cf3ca00 RCX: 00007f151e73dcbe
RDX: 00007ffe8cf3bff0 RSI: 000055bdbf48bc90 RDI: 00000000ffffff9c
RBP: 00007ffe8cf3c400 R08: 0000000000000007 R09: 00000000000000ff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe8cf3ca00
R13: 000055bdbf4bfe80 R14: 00007ffe8cf3ca00 R15: 000055bdbf4bfe80
 </TASK>
Modules linked in: uinput ntfs3 snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nft_compat bridge stp llc tun rfkill nf_nat_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast nft_objref nf_conntrack_tftp 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 ebtable_nat ebtable_broute ip_set ebtable_filter ebtables nf_tables nfnetlink qrtr sunrpc kafs fcrypt pcbc rxrpc ip6_udp_tunnel udp_tunnel dns_resolver fscache binfmt_misc netfs vfat fat squashfs loop edac_mce_amd snd_hda_codec_realtek kvm_amd snd_hda_codec_generic snd_hda_codec_hdmi ledtrig_audio ccp kvm pktcdvd irqbypass snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec fam15h_power k10temp pcspkr snd_usb_audio snd_hda_core snd_usbmidi_lib i2c_piix4 snd_rawmidi uvcvideo snd_hwdep videobuf2_vmalloc videobuf2_memops snd_seq videobuf2_v4l2 joydev
 videobuf2_common snd_seq_device snd_pcm videodev snd_timer mc snd soundcore acpi_cpufreq zram ip_tables xfs amdgpu iommu_v2 gpu_sched radeon i2c_algo_bit drm_ttm_helper ttm crct10dif_pclmul drm_dp_helper crc32_pclmul crc32c_intel drm_kms_helper ghash_clmulni_intel sp5100_tco uas drm usb_storage r8169 cec video ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000020