[czhong@xxxxxxxxxx: [bug report] WARNING: CPU: 121 PID: 93233 at fs/dcache.c:365 __dentry_kill+0x214/0x278]

From: Ming Lei
Date: Wed Aug 23 2023 - 00:07:24 EST


Looks the issue is more related with vfs, so forward to vfs list.

----- Forwarded message from Changhui Zhong <czhong@xxxxxxxxxx> -----

Date: Wed, 23 Aug 2023 11:17:55 +0800
From: Changhui Zhong <czhong@xxxxxxxxxx>
To: linux-scsi@xxxxxxxxxxxxxxx
Cc: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: [bug report] WARNING: CPU: 121 PID: 93233 at fs/dcache.c:365 __dentry_kill+0x214/0x278

Hello,

triggered below warning issue with branch
"
Tree: mainline.kernel.org-clang
Repository: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
@ master
Commit Hash: 89bf6209cad66214d3774dac86b6bbf2aec6a30d
Commit Name: v6.5-rc7-18-g89bf6209cad6
Kernel information:
Commit message: Merge tag 'devicetree-fixes-for-6.5-2' of
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
"
for more detail，please check
https://datawarehouse.cki-project.org/kcidb/tests/9232643

#modprobe scsi_debug virtual_gb=128
#echo none > /sys/block/sdb/queue/scheduler
#fio --bs=4k --ioengine=libaio --iodepth=1 --numjobs=4 --rw=randrw
--name=sdb-libaio-randrw-4k --filename=/dev/sdb --direct=1 --size=60G
--runtime=60

[ 3056.092761] Device: sdb Engine: libaio Sched: none Pattern: randrw
Direct: 1 Depth: 1 Block size: 4K Size: 60G
[ 3117.055168] ------------[ cut here ]------------
[ 3117.059778] WARNING: CPU: 121 PID: 93233 at fs/dcache.c:365
__dentry_kill+0x214/0x278
[ 3117.067601] Modules linked in: scsi_debug nvme nvme_core
nvme_common null_blk pktcdvd ipmi_watchdog ipmi_poweroff rfkill sunrpc
vfat fat acpi_ipmi ipmi_ssif arm_spe_pmu igb ipmi_devintf
ipmi_msghandler arm_cmn arm_dmc620_pmu cppc_cpufreq arm_dsu_pmu
acpi_tad loop fuse zram xfs crct10dif_ce polyval_ce polyval_generic
ghash_ce sbsa_gwdt ast onboard_usb_hub i2c_algo_bit xgene_hwmon [last
unloaded: scsi_debug]
[ 3117.103572] CPU: 121 PID: 93233 Comm: bash Not tainted 6.5.0-rc7 #1
[ 3117.109827] Hardware name: GIGABYTE R152-P31-00/MP32-AR1-00, BIOS
F31n (SCP: 2.10.20220810) 09/30/2022
[ 3117.119119] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 3117.126068] pc : __dentry_kill+0x214/0x278
[ 3117.130152] lr : __dentry_kill+0x194/0x278
[ 3117.134236] sp : ffff800084993870
[ 3117.137537] x29: ffff800084993870 x28: ffff0800830e2200 x27: 0000000000080400
[ 3117.144661] x26: 00000000fff7fbff x25: 0000000000000001 x24: ffff07ff88473198
[ 3117.151783] x23: ffff07ff884731c0 x22: ffff07ff9d033c80 x21: ffff07ff884731d0
[ 3117.158906] x20: ffff07ff88473198 x19: ffff07ff88473140 x18: ffffbc0d0739ceb4
[ 3117.166028] x17: 0000000000000000 x16: ffffbc0d073528c0 x15: ffff07ff89c761f8
[ 3117.173151] x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000000001
[ 3117.180273] x11: ffff080f33fe0850 x10: ffffffffffffffff x9 : 0000000100000000
[ 3117.187395] x8 : ffffbc0d08aa1e98 x7 : 0000000000000000 x6 : 000000000000003f
[ 3117.194518] x5 : ffff800084993a30 x4 : ffff800084993908 x3 : ffff07ff9cb7e210
[ 3117.201640] x2 : ffff07ff884731d0 x1 : 0000000000000000 x0 : ffff07ff884731f0
[ 3117.208763] Call trace:
[ 3117.211197] __dentry_kill+0x214/0x278
[ 3117.214934] shrink_dentry_list+0x134/0x2b0
[ 3117.219105] prune_dcache_sb+0x64/0xa0
[ 3117.222842] super_cache_scan+0x144/0x198
[ 3117.226841] do_shrink_slab+0x1dc/0x420
[ 3117.230666] shrink_slab+0x114/0x388
[ 3117.234229] drop_slab+0xb0/0x118
[ 3117.237532] drop_caches_sysctl_handler+0xac/0x170
[ 3117.242313] proc_sys_call_handler+0x184/0x2d0
[ 3117.246745] proc_sys_write+0x20/0x38
[ 3117.250396] vfs_write+0x24c/0x368
[ 3117.253786] ksys_write+0x84/0xf8
[ 3117.257089] __arm64_sys_write+0x28/0x40
[ 3117.261000] invoke_syscall+0x78/0x110
[ 3117.264739] el0_svc_common+0xc0/0xf8
[ 3117.268390] do_el0_svc+0x3c/0xb8
[ 3117.271693] el0_svc+0x34/0x110
[ 3117.274825] el0t_64_sync_handler+0x84/0x100
[ 3117.279083] el0t_64_sync+0x194/0x198
[ 3117.282733] ---[ end trace 0000000000000000 ]---
[ 3119.372909] Device: sdb Engine: libaio Sched: none Pattern: randrw
Direct: 1 Depth: 1 Block size: 16K Size: 60G
[ 3144.068984] watchdog: BUG: soft lockup - CPU#97 stuck for 26s! [fio:93777]
[ 3144.069984] watchdog: BUG: soft lockup - CPU#99 stuck for 26s!
[systemd-udevd:1680]
[ 3144.075849] Modules linked in: scsi_debug nvme
[ 3144.083493] Modules linked in:
[ 3144.087924] nvme_core nvme_common null_blk pktcdvd
[ 3144.090967] scsi_debug
[ 3144.090968] ipmi_watchdog ipmi_poweroff rfkill
[ 3144.098267] nvme
[ 3144.098267] sunrpc vfat fat
[ 3144.102785] nvme_core
[ 3144.104698] acpi_ipmi
[ 3144.107566] nvme_common
[ 3144.109912] ipmi_ssif
[ 3144.112259] null_blk
[ 3144.114779] arm_spe_pmu
[ 3144.117126] pktcdvd
[ 3144.119385] igb ipmi_devintf
[ 3144.121905] ipmi_watchdog
[ 3144.124078] ipmi_msghandler
[ 3144.127033] ipmi_poweroff
[ 3144.129728] arm_cmn
[ 3144.132596] rfkill
[ 3144.135289] arm_dmc620_pmu
[ 3144.137462] sunrpc
[ 3144.139548] cppc_cpufreq
[ 3144.142329] vfat
[ 3144.144415] arm_dsu_pmu
[ 3144.147022] fat
[ 3144.148934] acpi_tad loop
[ 3144.151455] acpi_ipmi
[ 3144.153280] fuse
[ 3144.155974] ipmi_ssif
[ 3144.158320] zram
[ 3144.160233] arm_spe_pmu
[ 3144.162579] xfs
[ 3144.164493] igb
[ 3144.167012] crct10dif_ce
[ 3144.168838] ipmi_devintf
[ 3144.170664] polyval_ce
[ 3144.173271] ipmi_msghandler
[ 3144.175877] polyval_generic
[ 3144.178312] arm_cmn
[ 3144.181178] ghash_ce
[ 3144.184047] arm_dmc620_pmu
[ 3144.186219] sbsa_gwdt
[ 3144.188479] cppc_cpufreq
[ 3144.191259] ast
[ 3144.193606] arm_dsu_pmu
[ 3144.196213] onboard_usb_hub
[ 3144.198039] acpi_tad
[ 3144.200559] i2c_algo_bit
[ 3144.203427] loop
[ 3144.205686] xgene_hwmon
[ 3144.208294] fuse
[ 3144.210206] [last unloaded: scsi_debug]
[ 3144.212726] zram
[ 3144.214638]
[ 3144.214640] CPU: 97 PID: 93777 Comm: fio Tainted: G W
6.5.0-rc7 #1
[ 3144.218548] xfs
[ 3144.220459] Hardware name: GIGABYTE R152-P31-00/MP32-AR1-00, BIOS
F31n (SCP: 2.10.20220810) 09/30/2022
[ 3144.221939] crct10dif_ce
[ 3144.229493] pstate: 00400009 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 3144.231320] polyval_ce
[ 3144.240610] pc : d_alloc_parallel+0x204/0x520
[ 3144.243218] polyval_generic
[ 3144.250164] lr : d_alloc_parallel+0x128/0x520
[ 3144.252598] ghash_ce
[ 3144.256940] sp : ffff800083ecb860
[ 3144.259809] sbsa_gwdt
[ 3144.264151] x29: ffff800083ecb8b0
[ 3144.266411] ast
[ 3144.269712] x28: 00000000e28e44d4
[ 3144.272059] onboard_usb_hub
[ 3144.275360] x27: ffff0800c7e6c400
[ 3144.277186] i2c_algo_bit
[ 3144.280574]
[ 3144.280575] x26: ffff07ff9dfb48d0
[ 3144.283442] xgene_hwmon
[ 3144.286830] x25: 0000000000011b30
[ 3144.289437] [last unloaded: scsi_debug]
[ 3144.290915] x24: ffff07ffe89be298
[ 3144.294217]
[ 3144.296737]
[ 3144.296738] x23: ffff07ffe89be240
[ 3144.300126] CPU: 99 PID: 1680 Comm: systemd-udevd Tainted: G
W 6.5.0-rc7 #1
[ 3144.304034] x22: ffff800083ecba20 x21: ffffbc0d084e9000
[ 3144.307424] Hardware name: GIGABYTE R152-P31-00/MP32-AR1-00, BIOS
F31n (SCP: 2.10.20220810) 09/30/2022
[ 3144.308902]
[ 3144.308903] x20: ffffbc0d08aa1e98
[ 3144.310381] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 3144.313682] x19: ffff07ff9eeac918 x18: 00000000fffffffb
[ 3144.322019] pc : d_alloc_parallel+0x17c/0x520
[ 3144.327316]
[ 3144.327317] x17: ffff07ff93f1c021
[ 3144.336608] lr : d_alloc_parallel+0x128/0x520
[ 3144.338086] x16: 636f6c622f000000 x15: fefefefeff727372
[ 3144.341388] sp : ffff8000844ab9b0
[ 3144.348335]
[ 3144.348336] x14: fefefefeff7b7b7b
[ 3144.353634] x29: ffff8000844aba00
[ 3144.357976] x13: 0000000000000000 x12: 00000000e28e44d4
[ 3144.359456] x28: 00000000e777e234
[ 3144.362757]
[ 3144.362757] x11: ffff080f32b00000
[ 3144.367100] x27: ffff07ff96888000
[ 3144.372398] x10: 0000000000000000 x9 : ffff07ff93f1c037
[ 3144.375700]
[ 3144.377178]
[ 3144.377179] x8 : 0000000000000000
[ 3144.380480] x26: ffff07ff9de47890
[ 3144.383781] x7 : 7374736575716572
[ 3144.389080] x25: 0000000000011b30
[ 3144.392467] x6 : 65757165725f726e
[ 3144.393947] x24: ffff07ff88faf618
[ 3144.397248]
[ 3144.397249] x5 : ffff07ff9dfb4883
[ 3144.400637]
[ 3144.405934] x4 : ffff07ff93f1c042
[ 3144.407414] x23: ffff07ff88faf5c0
[ 3144.408892] x3 : ffff07ff9dfb4bd0
[ 3144.412193] x22: ffff8000844abb30
[ 3144.415494]
[ 3144.415495] x2 : ffff800083ecb87c
[ 3144.418883] x21: ffffbc0d084e9000
[ 3144.422271] x1 : ffff800083ecba20 x0 : 0000000000000000
[ 3144.425660]
[ 3144.429048]
[ 3144.429049] Call trace:
[ 3144.430527] x20: ffffbc0d08aa1e98
[ 3144.433828] d_alloc_parallel+0x204/0x520
[ 3144.435307] x19: 00000000000000e8
[ 3144.438695] __lookup_slow+0x6c/0x158
[ 3144.441997] x18: 00000000fffffffb
[ 3144.445385] lookup_slow+0x4c/0x78
[ 3144.448774]
[ 3144.450252] walk_component+0x10c/0x128
[ 3144.453553] x17: ffff07ff9400a021
[ 3144.456941] path_lookupat+0x60/0x140
[ 3144.462240] x16: 697665642f000000
[ 3144.463718] filename_lookup+0xd8/0x1d0
[ 3144.465197] x15: 722e6a626e6b612e
[ 3144.467629] vfs_statx+0x90/0x220
[ 3144.470932]
[ 3144.474927] __arm64_sys_newfstatat+0xa0/0x100
[ 3144.478316] x14: 7aff6b6b7f6b6bff
[ 3144.481964] invoke_syscall+0x78/0x110
[ 3144.485353] x13: 0000000000000000
[ 3144.488741] el0_svc_common+0xc0/0xf8
[ 3144.490219] x12: 00000000e777e234
[ 3144.494041] do_el0_svc+0x3c/0xb8
[ 3144.497343]
[ 3144.500991] el0_svc+0x34/0x110
[ 3144.504380] x11: ffff080f32b00000
[ 3144.508201] el0t_64_sync_handler+0x84/0x100
[ 3144.511590] x10: 0000000000000000
[ 3144.514891] el0t_64_sync+0x194/0x198
[ 3144.516370] x9 : ffff07ff9400a06b
[ 3144.564153] x8 : ffff07ff884731f1 x7 : 25732500716d016b x6 : 0000000032757063
[ 3144.571280] x5 : ffff07ff9de4783d x4 : ffff07ff9400a070 x3 : ffff07ff9de46c90
[ 3144.578407] x2 : ffff8000844ab9cc x1 : ffff8000844abb30 x0 : 0000000000000000
[ 3144.585534] Call trace:
[ 3144.587969] d_alloc_parallel+0x17c/0x520
[ 3144.591971] path_openat+0x238/0xc70
[ 3144.595539] do_filp_open+0xc4/0x178
[ 3144.599107] do_sys_openat2+0x90/0x100
[ 3144.602847] __arm64_sys_openat+0x7c/0xb0
[ 3144.606848] invoke_syscall+0x78/0x110
[ 3144.610591] el0_svc_common+0x94/0xf8
[ 3144.614247] do_el0_svc+0x3c/0xb8
[ 3144.617555] el0_svc+0x34/0x110
[ 3144.620690] el0t_64_sync_handler+0x84/0x100
[ 3144.624954] el0t_64_sync+0x194/0x198
[ 3168.068867] watchdog: BUG: soft lockup - CPU#97 stuck for 48s! [fio:93777]
[ 3168.069867] watchdog: BUG: soft lockup - CPU#99 stuck for 48s!
[systemd-udevd:1680]

Thanks，


----- End forwarded message -----

--
Ming