Backtrace

WARNING: CPU: 0 PID: 226784 at fs/proc/generic.c:362 proc_register+0x125/0x1b0
Modules linked in: md4 cmac nls_utf8 cifs dns_resolver fscache libdes lp snd_usb_audio snd_usbmidi_lib snd_rawmidi hid_jabra snd_seq_dummy snd_hrtimer uinput xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc ccm 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_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_mangle iptable_raw iptable_security ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter bnep sunrpc intel_rapl_msr mei_hdcp mei_wdt iTCO_wdt iTCO_vendor_support ppdev intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp dell_laptop kvm_intel dell_smm_hwmon kvm irqbypass rapl intel_cstate intel_uncore btusb iwlmvm btrtl btbcm
 btintel bluetooth uvcvideo mac80211 ecdh_generic ecc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_realtek videobuf2_common snd_hda_codec_generic videodev ledtrig_audio mc snd_hda_codec_hdmi libarc4 snd_hda_intel snd_intel_dspcfg iwlwifi snd_hda_codec snd_hda_core dell_wmi snd_hwdep snd_seq dell_smbios dcdbas snd_seq_device joydev snd_pcm cfg80211 pcspkr wmi_bmof dell_wmi_descriptor sparse_keymap mei_me snd_timer i2c_i801 lpc_ich snd mei parport_pc soundcore parport dell_smo8800 dell_rbtn rfkill ip_tables dm_crypt i915 mmc_block i2c_algo_bit cec drm_kms_helper drm crct10dif_pclmul crc32_pclmul crc32c_intel sdhci_pci cqhci sdhci ghash_clmulni_intel serio_raw mmc_core e1000e wmi video fuse
CPU: 0 PID: 226784 Comm: mount Not tainted 5.7.15-200.fc32.x86_64 #1
Hardware name: Dell Inc. Latitude E5540/0C1C28, BIOS A23 10/08/2018
RIP: 0010:proc_register+0x125/0x1b0
Code: 01 00 48 83 c4 08 48 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 49 8b b5 a0 00 00 00 4c 89 f2 48 c7 c7 d0 5e 39 8e e8 62 08 d2 ff <0f> 0b c6 05 fa ff f3 01 00 8b 45 5c 48 c7 c7 e0 af 92 8e 8d b0 00
RSP: 0000:ffffb7a4c048bcd8 EFLAGS: 00010296
RAX: 0000000000000034 RBX: ffff9304c266bb08 RCX: 0000000000000007
RDX: 00000000fffffff8 RSI: 0000000000000092 RDI: ffff9304cea19cc0
RBP: ffff93046aff4900 R08: 00000000000005a3 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000000b
R13: ffff9304cc366900 R14: ffff93046aff49ac R15: 000000000000000b
FS:  00007f2fd702ec80(0000) GS:ffff9304cea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62ba95a0b0 CR3: 0000000400026002 CR4: 00000000001606f0
Call Trace:
 proc_mkdir+0x4b/0x50
 jbd2_journal_init_inode+0xbf/0x100
 ext4_fill_super+0x2f44/0x37c0
 ? mount_bdev+0x176/0x1a0
 mount_bdev+0x176/0x1a0
 ? ext4_calculate_overhead+0x4d0/0x4d0
 legacy_get_tree+0x27/0x40
 vfs_get_tree+0x25/0xb0
 do_mount+0x7b7/0xad0
 ? memdup_user+0x4e/0x90
 __x64_sys_mount+0x8e/0xd0
 do_syscall_64+0x5b/0xf0
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f2fd728157e
Code: 48 8b 0d 1d 09 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d ea 08 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007fffa80ec0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2fd73a8204 RCX: 00007f2fd728157e
RDX: 0000556cd2e29690 RSI: 0000556cd2e29b50 RDI: 0000556cd2e29b90
RBP: 0000556cd2e29460 R08: 0000000000000000 R09: 00007f2fd7342a40
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000556cd2e29b90 R14: 0000556cd2e29690 R15: 0000556cd2e29460