Backtrace

kernel BUG at fs/super.c:649!
invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 31757 Comm: umount Tainted: G        W          6.8.5-201.fc39.x86_64 #1
Hardware name: Dell Inc. OptiPlex 380                 /0HN7XN, BIOS A07 06/13/2012
RIP: 0010:generic_shutdown_super+0x10e/0x110
Code: cc cc e8 c5 70 f1 ff 48 8b bb 00 01 00 00 eb db 48 8b 43 28 48 8d b3 c0 03 00 00 48 c7 c7 60 27 b4 bc 48 8b 10 e8 52 cb d2 ff <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffa98c445cfe28 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff91ed0cb10000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff91ee33c618c0 RDI: ffff91ee33c618c0
RBP: ffffffffc11bad60 R08: 0000000000000000 R09: ffffa98c445cfcd0
R10: ffffa98c445cfcc8 R11: 0000000000000003 R12: ffff91ed4e535c44
R13: 00000000000000a6 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fee0b0e2800(0000) GS:ffff91ee33c40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc0168d0a0 CR3: 000000010ad2c000 CR4: 00000000000406f0
Call Trace:
 <TASK>
 ? die+0x36/0x90
 ? do_trap+0xda/0x100
 ? generic_shutdown_super+0x10e/0x110
 ? do_error_trap+0x6a/0x90
 ? generic_shutdown_super+0x10e/0x110
 ? exc_invalid_op+0x50/0x70
 ? generic_shutdown_super+0x10e/0x110
 ? asm_exc_invalid_op+0x1a/0x20
 ? generic_shutdown_super+0x10e/0x110
 ? generic_shutdown_super+0x10e/0x110
 kill_anon_super+0x16/0x40
 cifs_kill_sb+0x46/0x50 [cifs]
 deactivate_locked_super+0x33/0xb0
 cleanup_mnt+0xba/0x150
 task_work_run+0x5d/0x90
 syscall_exit_to_user_mode+0x220/0x230
 do_syscall_64+0x90/0x170
 ? __irq_exit_rcu+0x4b/0xc0
 entry_SYSCALL_64_after_hwframe+0x78/0x80
RIP: 0033:0x7fee0b30177b
Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 81 16 0c 00 f7 d8
RSP: 002b:00007ffcf0c1a0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 000055c17c80c480 RCX: 00007fee0b30177b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055c17c80d420
RBP: 00007ffcf0c1a1b0 R08: 0000000000000020 R09: 0000000000000001
R10: 0000000000000004 R11: 0000000000000246 R12: 000055c17c80c580
R13: 0000000000000000 R14: 000055c17c80d420 R15: 000055c17c80d170
 </TASK>
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 nls_utf8 cifs cifs_arc4 nls_ucs2_utils cifs_md4 dns_resolver netfs 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 iptable_mangle iptable_raw iptable_security rfkill ip_set nfnetlink ebtable_filter ebtables ip6table_filter iptable_filter qrtr sunrpc binfmt_misc snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg iTCO_wdt snd_intel_sdw_acpi snd_hda_codec coretemp intel_pmc_bxt kvm_intel iTCO_vendor_support at24 snd_hda_core gpio_ich dell_wmi kvm dell_smbios snd_hwdep ledtrig_audio ppdev dcdbas sparse_keymap wmi_bmof snd_seq irqbypass i2c_i801 dell_wmi_descriptor
 i2c_smbus pcspkr acpi_cpufreq lpc_ich snd_seq_device snd_pcm snd_timer snd parport_pc pktcdvd soundcore parport loop zram i915 i2c_algo_bit drm_buddy video ttm broadcom bcm_phy_ptp bcm_phy_lib drm_display_helper tg3 sha512_ssse3 sha256_ssse3 sha1_ssse3 cec serio_raw wmi ata_generic pata_acpi scsi_dh_rdac scsi_dh_emc scsi_dh_alua ip6_tables ip_tables dm_multipath fuse