Info

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Function
lookup_fast
First occurrence
2026-09-30
Last occurrence
2026-09-30
State
NEW
Components
kernel
Quality
-40

Statistics

Operating system Count
Fedora 42 2
Architecture Count
x86_64 2
Related packages Count
kernel-core 2
 0:6.19.14-108.fc42 2

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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No reports in the last 20 days.

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Complete report #1424093
Frame # Function Binary Source or offset Line
1
lookup_fast
vmlinux 0x2e
2
cifs_kill_sb
cifs 0x65
3
lookup_fast
vmlinux 0x2e
4
lookup_fast
vmlinux 0x2e
5
lookup_fast
vmlinux 0x2e
6
lookup_fast
vmlinux 0x2e
7
lookup_fast
vmlinux 0x2e
8
lookup_fast
vmlinux 0x2e
9
lookup_fast
vmlinux 0x2e
10
lookup_fast
vmlinux 0x2e
11
? lookup_fast
vmlinux 0x2e
12
? lookup_fast
vmlinux 0x2e
13
? lookup_fast
vmlinux 0x2e
14
? lookup_fast
vmlinux 0x2e
15
? lookup_fast
vmlinux 0x2e
16
? lookup_fast
vmlinux 0x2e
17
? lookup_fast
vmlinux 0x2e
18
lookup_fast
vmlinux 0x2e
kernel BUG at fs/super.c:651!
Oops: invalid opcode: 0000 [#1] SMP PTI
CPU: 3 UID: 1000 PID: 84241 Comm: bwrap Tainted: G        W           6.19.14-108.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [W]=WARN
Hardware name: LENOVO 20L8S2N80D/20L8S2N80D, BIOS N22ET48W (1.25 ) 07/18/2018
RIP: 0010:generic_shutdown_super.cold+0x1a/0x1c
Code: c7 c7 20 1d a6 ab 48 8b 31 e8 e2 2d fe ff 0f 0b 48 8b 43 28 48 8d b3 c0 03 00 00 48 c7 c7 90 1d a6 ab 48 8b 10 e8 c6 2d fe ff <0f> 0b 48 c7 c7 e8 1d a6 ab 48 89 0c 24 89 74 24 0c e8 b0 2d fe ff
RSP: 0018:ffffd4f4c06ffc60 EFLAGS: 00010246
RAX: 000000000000002d RBX: ffff8ef9bf267800 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8efbce39d440
RBP: ffffffffc235e7e0 R08: 0000000000000000 R09: ffffd4f4c06ffb10
R10: ffffffffac53c948 R11: 00000000ffffdfff R12: ffff8ef8969c0a80
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8efc20f6d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff620cc3484 CR3: 000000015022e002 CR4: 00000000003726f0
Call Trace:
 <TASK>
 kill_anon_super+0x16/0x40
 cifs_kill_sb+0x65/0x80 [cifs]
 deactivate_locked_super+0x33/0xb0
 cleanup_mnt+0xdc/0x140
 task_work_run+0x5d/0x90
 do_exit+0x1fe/0x480
 do_group_exit+0x2d/0xc0
 __x64_sys_exit_group+0x18/0x20
 x64_sys_call+0x14fd/0x1510
 do_syscall_64+0x7e/0x690
 ? do_fault+0x157/0x230
 ? __handle_mm_fault+0x45d/0x6f0
 ? count_memcg_events+0xd6/0x210
 ? handle_mm_fault+0x212/0x340
 ? do_user_addr_fault+0x2b4/0x7b0
 ? irqentry_exit+0x6d/0x540
 ? exc_page_fault+0x7e/0x1a0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff620db4108
Code: Unable to access opcode bytes at 0x7ff620db40de.
RSP: 002b:00007fffe479c448 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff620edcfe8 RCX: 00007ff620db4108
RDX: 00007ff620c44b48 RSI: fffffffffffffeb0 RDI: 0000000000000000
RBP: 00007fffe479c4a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 00007ff620edb680 R15: 00007ff620edd000
 </TASK>
Modules linked in: nls_utf8 cifs nls_ucs2_utils cifs_md4 dns_resolver netfs uinput rfcomm snd_seq_dummy snd_hrtimer 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_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables qrtr uhid sunrpc bnep snd_hda_codec_intelhdmi snd_hda_codec_alc269 snd_hda_scodec_component snd_hda_codec_realtek_lib snd_hda_codec_generic snd_hda_intel snd_sof_pci_intel_skl snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_hda_codec_hdmi soundwire_cadence intel_uncore_frequency snd_sof_pci snd_sof_xtensa_dsp intel_uncore_frequency_common iwlmvm intel_pmc_core_pltdrv intel_pmc_core snd_sof pmt_telemetry pmt_discovery pmt_class intel_pmc_ssram_telemetry intel_vsec snd_sof_utils intel_tcc_cooling snd_soc_acpi_intel_match x86_pkg_temp_thermal
 snd_soc_acpi_intel_sdca_quirks intel_powerclamp soundwire_generic_allocation coretemp snd_soc_sdw_utils elan_i2c mac80211 snd_soc_acpi crc8 soundwire_bus snd_soc_sdca iTCO_wdt ee1004 kvm_intel snd_soc_avs snd_soc_hda_codec intel_pmc_bxt snd_hda_ext_core iTCO_vendor_support mei_hdcp mei_wdt libarc4 mei_pxp intel_rapl_msr snd_hda_codec kvm ch341 snd_hda_core snd_intel_dspcfg snd_intel_sdw_acpi irqbypass iwlwifi snd_usb_audio vfat snd_soc_core fat rapl intel_cstate intel_uncore think_lmi snd_usbmidi_lib snd_compress cfg80211 snd_hwdep pcspkr snd_ump intel_wmi_thunderbolt ac97_bus snd_rawmidi snd_pcm_dmaengine wmi_bmof firmware_attributes_class snd_seq snd_seq_device i2c_i801 e1000e uvcvideo uvc i2c_smbus snd_pcm videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_timer btusb videobuf2_common btmtk btrtl videodev btbcm btintel processor_thermal_device_pci_legacy snd_ctl_led mc processor_thermal_device bluetooth processor_thermal_wt_hint platform_temperature_control processor_thermal_soc_slider thinkpad_acpi
 processor_thermal_rfim mei_me sparse_keymap processor_thermal_rapl idma64 platform_profile intel_rapl_common processor_thermal_wt_req mei processor_thermal_power_floor processor_thermal_mbox intel_pch_thermal rfkill intel_soc_dts_iosf intel_xhci_usb_role_switch snd int3403_thermal soundcore int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad joydev loop nfnetlink zram lz4hc_compress lz4_compress dm_crypt ucsi_acpi typec_ucsi typec i915 nvme uas i2c_algo_bit drm_buddy ttm usb_storage video drm_display_helper nvme_core ghash_clmulni_intel thunderbolt nvme_keyring nvme_auth hkdf cec intel_oc_wdt wmi serio_raw i2c_dev fuse
Complete report #1423245
Frame # Function Binary Source or offset Line
1
lookup_fast
vmlinux 0x2e
2
lookup_fast
vmlinux 0x2e
3
lookup_fast
vmlinux 0x2e
4
lookup_fast
vmlinux 0x2e
5
cifs_kill_sb
cifs 0x65
6
lookup_fast
vmlinux 0x2e
7
lookup_fast
vmlinux 0x2e
8
lookup_fast
vmlinux 0x2e
9
lookup_fast
vmlinux 0x2e
10
lookup_fast
vmlinux 0x2e
11
lookup_fast
vmlinux 0x2e
12
lookup_fast
vmlinux 0x2e
13
lookup_fast
vmlinux 0x2e
14
? lookup_fast
vmlinux 0x2e
15
? lookup_fast
vmlinux 0x2e
16
? lookup_fast
vmlinux 0x2e
17
? lookup_fast
vmlinux 0x2e
18
lookup_fast
vmlinux 0x2e
BUG: Dentry 00000000bdb0fb61{i=8e100e8,n=Booksmart.2019.1080p.WEBRip.x264-[YTS.AM].mp4}  still in use (1) [unmount of cifs cifs]
WARNING: fs/dcache.c:1640 at umount_check+0x50/0x70, CPU#13: exit/4433
Modules linked in: uinput rfcomm snd_seq_dummy snd_hrtimer nf_conntrack_netlink xt_nat veth bridge stp llc xt_set ip_set xt_addrtype nls_utf8 cifs nls_ucs2_utils cifs_md4 dns_resolver netfs uvcvideo uvc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_usb_audio videobuf2_common videodev snd_usbmidi_lib snd_ump mc joydev snd_rawmidi ip6t_REJECT ipt_REJECT xt_multiport xt_cgroup xt_owner xt_connmark xt_conntrack xt_MASQUERADE xt_mark nft_compat binfmt_misc tun overlay sunrpc 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_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables qrtr bnep vfat fat snd_soc_dmic snd_soc_acp6x_mach snd_acp6x_pdm_dma snd_sof_amd_acp70 snd_sof_amd_acp63 snd_sof_amd_vangogh snd_sof_amd_rembrandt snd_sof_amd_renoir snd_sof_amd_acp snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_pci_ps snd_soc_acpi_amd_match snd_amd_sdw_acpi soundwire_amd
 mt7921e soundwire_generic_allocation mt7921_common soundwire_bus snd_hda_codec_alc269 amd_atl snd_hda_scodec_component intel_rapl_msr snd_soc_sdca mt792x_lib snd_hda_codec_realtek_lib intel_rapl_common snd_hda_codec_atihdmi snd_hda_codec_generic mt76_connac_lib snd_hda_codec_hdmi snd_soc_core btusb mt76 btmtk snd_hda_intel btrtl edac_mce_amd snd_hda_codec snd_compress btbcm ac97_bus kvm_amd snd_pcm_dmaengine mac80211 snd_hda_core btintel snd_rpl_pci_acp6x snd_acp_pci snd_intel_dspcfg snd_amd_acpi_mach bluetooth snd_acp_legacy_common snd_intel_sdw_acpi snd_pci_acp6x snd_hwdep kvm spd5118 snd_seq cfg80211 snd_seq_device snd_pcm irqbypass snd_pci_acp5x rapl snd_timer snd_rn_pci_acp3x rfkill snd_acp_config snd snd_soc_acpi igc pcspkr i2c_piix4 libarc4 snd_pci_acp3x k10temp soundcore i2c_smbus acpi_tad loop nfnetlink zram lz4hc_compress lz4_compress amdgpu amdxcp i2c_algo_bit drm_ttm_helper ttm drm_exec drm_panel_backlight_quirks gpu_sched nvme drm_suballoc_helper drm_buddy nvme_core drm_display_helper
 thunderbolt nvme_keyring ghash_clmulni_intel nvme_auth cec sp5100_tco hkdf video wmi i2c_dev fuse
CPU: 13 UID: 0 PID: 4433 Comm: exit Not tainted 6.19.14-108.fc42.x86_64 #1 PREEMPT(lazy) 
Hardware name: Micro Computer (HK) Tech Limited Venus series/F7BFC, BIOS 1.20 03/06/2024
RIP: 0010:umount_check+0x54/0x70
Code: 46 68 31 d2 48 8d 88 c0 03 00 00 48 8b 40 28 4c 8b 08 48 8b 46 30 48 85 c0 74 04 48 8b 50 40 48 8d 3d 00 97 64 02 51 48 89 f1 <67> 48 0f b9 3a 58 31 c0 e9 9a dc 8b ff 41 83 f8 01 75 c1 eb ac 0f
RSP: 0018:ffffcac9c9f2bd30 EFLAGS: 00010282
RAX: ffff8ab432fce580 RBX: ffff8ab3ff11a3c0 RCX: ffff8ab3ff11aa80
RDX: 0000000008e100e8 RSI: ffff8ab3ff11aa80 RDI: ffffffff9ec8fb60
RBP: ffff8ab3cbf23500 R08: 0000000000000001 R09: ffffffffc3187544
R10: 0000000000000009 R11: ffffed8b44055980 R12: ffffffff9c646410
R13: ffff8ab3cbf23500 R14: ffff8ab3ff11ab00 R15: ffff8ab3ff11aa80
FS:  0000000000000000(0000) GS:ffff8abac086d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000410e60 CR3: 0000000419a2e000 CR4: 0000000000f50ef0
PKRU: 55555554
Call Trace:
 <TASK>
 d_walk+0xb4/0x280
 shrink_dcache_for_umount+0x52/0x1a0
 generic_shutdown_super+0x22/0x100
 kill_anon_super+0x16/0x40
 cifs_kill_sb+0x65/0x80 [cifs]
 deactivate_locked_super+0x33/0xb0
 cleanup_mnt+0xdc/0x140
 task_work_run+0x5d/0x90
 do_exit+0x1fe/0x480
 do_group_exit+0x2d/0xc0
 __x64_sys_exit_group+0x18/0x20
 x64_sys_call+0x14fd/0x1510
 do_syscall_64+0x7e/0x690
 ? srso_alias_return_thunk+0x5/0xfbef5
 ? irqentry_exit+0x6d/0x540
 ? srso_alias_return_thunk+0x5/0xfbef5
 ? exc_page_fault+0x7e/0x1a0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x425f7c
Code: Unable to access opcode bytes at 0x425f52.
RSP: 002b:00007fff8b961378 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00000000004321a8 RCX: 0000000000425f7c
RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000
RBP: 00007fff8b961408 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000020000 R11: 0000000000000202 R12: 00000000004002a0
R13: 00007fff8b961420 R14: 0000000000000000 R15: 0000000000000000
 </TASK>