Backtrace

BUG: kernel NULL pointer dereference, address: 0000000000000050
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 8000000167c1b067 P4D 8000000167c1b067 PUD 0 
Oops: 0000 [#1] SMP PTI
CPU: 1 PID: 2899 Comm: Cache2 I/O Tainted: G         C        5.14.15-300.fc35.x86_64 #1
Hardware name: Hewlett-Packard HP Compaq Elite 8300 SFF/3397, BIOS K01 v03.08 04/10/2019
RIP: 0010:inode_permission+0x6b/0x170
Code: 41 5d 41 5e c3 8b 75 4c 0f b7 45 00 85 f6 0f 85 92 00 00 00 5b 44 89 e6 48 89 ef 5d 41 5c 41 5d 41 5e e9 48 10 22 00 0f b7 16 <f6> 40 50 01 74 1f 89 d0 66 25 00 f0 66 3d 00 40 74 0c 66 81 e2 00
RSP: 0018:ffffa2c04109fcd8 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000009000
RDX: 000000000000929b RSI: ffff8bcac09f2cf8 RDI: ffffffff8ae57ae0
RBP: ffff8bcac09f2cf8 R08: 0000000000000001 R09: 0000000000000064
R10: ffff8bca22a34840 R11: 0000000000000030 R12: 0000000000000026
R13: ffffffff8ae57ae0 R14: ffff8bca57cc1500 R15: 0000000000000006
FS:  00007f2ea4336640(0000) GS:ffff8bd07ea80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000050 CR3: 0000000156256001 CR4: 00000000001706e0
Call Trace:
 may_open+0x6a/0x140
 path_openat+0x1d6/0x1030
 ? __alloc_pages+0xd6/0x200
 ? __mod_lruvec_page_state+0x5d/0x90
 do_filp_open+0x9f/0x130
 ? __check_object_size+0x136/0x150
 ? alloc_fd+0x50/0x170
 do_sys_openat2+0x7a/0x130
 __x64_sys_openat+0x45/0x70
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f2ebfafd5e4
Code: 24 20 eb 8f 66 90 44 89 54 24 0c e8 36 8b f8 ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 78 8b f8 ff 8b 44
RSP: 002b:00007f2ea4335ab0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ebfafd5e4
RDX: 0000000000000002 RSI: 00007f2e554c2608 RDI: 00000000ffffff9c
RBP: 00007f2e554c2608 R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000180 R14: 00007f2ea4336580 R15: 00007f2ea4204dc0
Modules linked in: uinput snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter qrtr ns sunrpc vfat fat snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio intel_rapl_msr intel_rapl_common snd_hda_intel x86_pkg_temp_thermal snd_intel_dspcfg intel_powerclamp snd_intel_sdw_acpi coretemp snd_hda_codec kvm_intel snd_hda_core kvm hp_wmi irqbypass rapl intel_cstate r8188eu(C) intel_uncore lib80211 cfg80211 snd_hwdep platform_profile ppdev mei_hdcp joydev at24 sparse_keymap snd_seq
 iTCO_wdt intel_pmc_bxt snd_seq_device iTCO_vendor_support pktcdvd mei_wdt snd_pcm usblp rfkill snd_timer pcspkr snd soundcore parport_pc parport i2c_i801 mei_me mei lpc_ich i2c_smbus tpm_infineon wmi_bmof binfmt_misc zram ip_tables i915 crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit ttm drm_kms_helper ghash_clmulni_intel serio_raw cec drm e1000e wmi video ipmi_devintf ipmi_msghandler fuse
CR2: 0000000000000050