Backtrace

WARNING: CPU: 3 PID: 7188 at fs/proc/generic.c:371 proc_register+0x11c/0x160
Modules linked in: vfat fat mmc_block rfcomm pl2303 ccm xt_CHECKSUM xt_MASQUERADE tun bridge stp llc nf_nat_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_tftp xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink ebtable_filter ebtables cmac bnep ip6table_filter ip6_tables iptable_filter snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi ath10k_pci snd_soc_core ath10k_core snd_compress btusb ac97_bus snd_hda_codec_hdmi snd_pcm_dmaengine mac80211 btrtl btbcm snd_hda_codec_realtek btintel snd_hda_codec_generic ledtrig_audio bluetooth snd_hda_intel ath ecdh_generic cfg80211 ecc snd_intel_dspcfg iTCO_wdt uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common
 videodev intel_pmc_bxt snd_hda_codec mc intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal mei_hdcp pcspkr iTCO_vendor_support intel_powerclamp libarc4 ee1004 i2c_i801 intel_xhci_usb_role_switch snd_hda_core snd_hwdep coretemp kvm_intel kvm irqbypass rapl intel_cstate intel_uncore snd_seq snd_seq_device snd_pcm pktcdvd i2c_smbus roles idma64 snd_timer acer_wmi snd sparse_keymap joydev rfkill wmi_bmof intel_wmi_thunderbolt soundcore intel_pch_thermal mei_me mei acpi_pad nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables i915 nouveau rtsx_pci_sdmmc mmc_core hid_multitouch mxm_wmi ttm crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper ghash_clmulni_intel serio_raw cec r8169 rtsx_pci drm i2c_hid video wmi fuse
CPU: 3 PID: 7188 Comm: mount Not tainted 5.8.18-100.fc31.x86_64 #1
Hardware name: Acer Aspire E5-575G/Ironman_SK  , BIOS V1.23 01/16/2017
RIP: 0010:proc_register+0x11c/0x160
Code: 21 08 1a 02 00 5b 48 89 e8 5d 41 5c 41 5d 41 5e 41 5f c3 49 8b b4 24 a0 00 00 00 4c 89 fa 48 c7 c7 d0 0d 3f 92 e8 66 eb d1 ff <0f> 0b c6 05 f3 07 1a 02 00 8b 45 5c 48 c7 c7 d0 aa b2 92 8d b0 00
RSP: 0018:ffffb99482bf3ca8 EFLAGS: 00010296
RAX: 0000000000000034 RBX: ffff9770ab2af5c8 RCX: 0000000000000027
RDX: 0000000000000027 RSI: 0000000000000096 RDI: ffff9770e6d98d08
RBP: ffff976f8de8ec00 R08: ffff9770e6d98d00 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: ffff9770e530af00
R13: ffff9770e530af80 R14: 000000000000000b R15: ffff976f8de8ecac
FS:  00007fe078bb4c80(0000) GS:ffff9770e6d80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056455c7284b8 CR3: 000000025af54005 CR4: 00000000003606e0
Call Trace:
 proc_mkdir_data+0x59/0x60
 jbd2_stats_proc_init+0x1c/0x50
 jbd2_journal_init_inode+0xb4/0xc0
 ext4_fill_super+0x2fe6/0x3b30
 ? bdev_name.isra.0+0xc9/0xe0
 ? mount_bdev+0x176/0x1a0
 mount_bdev+0x176/0x1a0
 ? ext4_calculate_overhead+0x4a0/0x4a0
 legacy_get_tree+0x27/0x40
 vfs_get_tree+0x25/0xb0
 do_mount+0x72b/0xa30
 ? memdup_user+0x4e/0x90
 __x64_sys_mount+0x8e/0xd0
 do_syscall_64+0x4d/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fe078e0535e
Code: 48 8b 0d 2d fb 0b 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 fa fa 0b 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc59af1058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe078f2e1e4 RCX: 00007fe078e0535e
RDX: 000056455c723a90 RSI: 000056455c71d960 RDI: 000056455c71ac50
RBP: 000056455c71aa40 R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000056455c71ac50 R14: 000056455c723a90 R15: 000056455c71aa40