Backtrace

kernel BUG at fs/inode.c:1668!
invalid opcode: 0000 [#1] SMP PTI
CPU: 1 PID: 6430 Comm: umount Not tainted 5.8.15-301.fc33.x86_64 #1
Hardware name: LENOVO 80YE/LNVNB161216, BIOS 4WCN40WW 04/13/2018
RIP: 0010:iput+0x19/0x20
Code: 01 ff ff ff 0f 0b e9 5d ff ff ff 66 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 0e f6 87 98 00 00 00 40 75 06 e9 28 fe ff ff c3 <0f> 0b 0f 1f 44 00 00 0f 1f 44 00 00 41 54 4c 8d a7 88 00 00 00 55
RSP: 0018:ffffa6c581d33eb0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff89d438088000 RSI: 00000000820001a5 RDI: ffff89d3d0399ad8
RBP: ffff89d434370000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffffc1a02000
R13: ffff89d438088000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f9a423eac40(0000) GS:ffff89d43be80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00003187eef7e0e0 CR3: 0000000038e80001 CR4: 00000000003606e0
Call Trace:
 deactivate_locked_super+0x36/0xa0
 cleanup_mnt+0x12d/0x190
 task_work_run+0x65/0xa0
 __prepare_exit_to_usermode+0x184/0x1a0
 do_syscall_64+0x59/0x90
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f9a4261ab3b
Code: 33 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 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 09 33 0c 00 f7 d8
RSP: 002b:00007fffec905ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000563d3ba6df60 RCX: 00007f9a4261ab3b
RDX: 0000000000000017 RSI: 0000000000000002 RDI: 0000563d3ba6de20
RBP: 0000563d3ba68460 R08: 0000000000000000 R09: 00007f9a426dea60
R10: 0000563d3ba6ea10 R11: 0000000000000202 R12: 0000000000000002
R13: 0000563d3ba6de20 R14: 0000563d3ba68570 R15: 0000563d3ba68460
Modules linked in: nls_utf8 isofs pktcdvd uas usb_storage ccm rfcomm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp 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 tun bridge stp ip6table_nat llc 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 cmac bnep snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_hdmi ath10k_pci snd_hda_codec_generic snd_soc_core ath10k_core sunrpc ledtrig_audio intel_rapl_msr intel_rapl_common snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel x86_pkg_temp_thermal snd_intel_dspcfg intel_powerclamp snd_hda_codec coretemp snd_hda_core kvm_intel snd_hwdep mac80211 snd_seq snd_seq_device iTCO_wdt
 intel_pmc_bxt kvm joydev mei_hdcp iTCO_vendor_support irqbypass rapl intel_cstate intel_uncore snd_pcm uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_v4l2 ath videobuf2_common btrtl btbcm btintel videodev cfg80211 pcspkr snd_timer bluetooth intel_wmi_thunderbolt wmi_bmof i2c_i801 mc snd i2c_smbus soundcore ecdh_generic libarc4 ecc intel_xhci_usb_role_switch mei_me idma64 mei roles intel_pch_thermal elan_i2c ideapad_laptop sparse_keymap rfkill acpi_pad vfat fat zram ip_tables amdgpu i915 iommu_v2 gpu_sched ttm i2c_algo_bit drm_kms_helper cec drm crct10dif_pclmul crc32_pclmul crc32c_intel r8169 ghash_clmulni_intel serio_raw wmi i2c_hid pinctrl_sunrisepoint video pinctrl_intel fuse