Hello
The issue below was triggered by blktests throtl/006 on the latest
linux-block/for-next, please help check it and let me know if you need
any test/info, thanks.
commit: 9b3f9dc4b07e (HEAD -> for-next, origin/for-next) Merge branch
'for-6.17/block' into for-next
[ 8725.795546] run blktests throtl/006 at 2025-06-26 05:08:28
[ 8726.092039] null_blk: disk dev_nullb created
[ 8789.211527] EXT4-fs (dev_nullb): mounted filesystem
d4000821-4311-4fd7-b872-35e68c3efb74 r/w with ordered data mode. Quota
mode: none.
[ 8794.584324] EXT4-fs (dev_nullb): unmounting filesystem
d4000821-4311-4fd7-b872-35e68c3efb74.
[ 8821.751593] watchdog: BUG: soft lockup - CPU#47 stuck for 26s! [find:48492]
[ 8821.751602] Modules linked in: null_blk nbd ext4 crc16 mbcache jbd2
loop tls rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd
grace netfs rfkill sunrpc dm_multipath intel_rapl_msr
intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common
skx_edac skx_edac_common x86_pkg_temp_thermal intel_powerclamp
coretemp kvm_intel kvm mgag200 irqbypass i2c_algo_bit iTCO_wdt
cdc_ether rapl drm_client_lib iTCO_vendor_support usbnet ipmi_ssif
mei_me drm_shmem_helper intel_cstate dell_smbios platform_profile
dcdbas intel_uncore wmi_bmof dell_wmi_descriptor pcspkr mii
drm_kms_helper i2c_i801 mei i2c_smbus lpc_ich intel_pch_thermal
acpi_power_meter ipmi_si acpi_ipmi dax_pmem ipmi_devintf
ipmi_msghandler drm fuse xfs sd_mod sg nd_pmem nd_btt ahci
ghash_clmulni_intel libahci bnxt_en megaraid_sas tg3 libata wmi nfit
libnvdimm dm_mirror dm_region_hash dm_log dm_mod [last unloaded:
scsi_debug]
[ 8821.751702] irq event stamp: 16082150
[ 8821.751704] hardirqs last enabled at (16082149):
[<ffffffffb085ff69>] _raw_spin_unlock_irqrestore+0x59/0x70
[ 8821.751714] hardirqs last disabled at (16082150):
[<ffffffffb08391db>] sysvec_apic_timer_interrupt+0xb/0xd0
[ 8821.751720] softirqs last enabled at (16081878):
[<ffffffffae01f7c8>] handle_softirqs+0x5f8/0x920
[ 8821.751727] softirqs last disabled at (16081637):
[<ffffffffae01fc9b>] __irq_exit_rcu+0x11b/0x270
[ 8821.751733] CPU: 47 UID: 0 PID: 48492 Comm: find Tainted: G
L 6.16.0-rc3+ #4 PREEMPT(voluntary)
[ 8821.751740] Tainted: [L]=SOFTLOCKUP
[ 8821.751742] Hardware name: Dell Inc. PowerEdge R640/08HT8T, BIOS
2.22.2 09/12/2024
[ 8821.751744] RIP: 0010:_raw_spin_unlock_irqrestore+0x3d/0x70
[ 8821.751748] Code: 74 24 10 e8 25 da 96 fd 48 89 ef e8 7d 48 97 fd
81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01
00 00 00 <e8> 6e 3e 86 fd 65 8b 05 d7 10 e2 02 85 c0 74 0e 5b 5d c3 cc
cc cc
[ 8821.751751] RSP: 0018:ffffc900215bf998 EFLAGS: 00000206
[ 8821.751755] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000006
[ 8821.751757] RDX: 0000000000000000 RSI: ffffffffb1606f3d RDI: 0000000000000001
[ 8821.751759] RBP: ffffffffb6105538 R08: 0000000000000001 R09: 0000000000000001
[ 8821.751761] R10: ffffffffb2688aa7 R11: 0000000000000000 R12: ffff88ac203ba000
[ 8821.751763] R13: dffffc0000000000 R14: 000000000000001c R15: ffff88ac203bb000
[ 8821.751766] FS: 00007fec1d2ac800(0000) GS:ffff88c7f45a7000(0000)
knlGS:0000000000000000
[ 8821.751769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8821.751771] CR2: 00007fec1d2a6000 CR3: 0000002b71442003 CR4: 00000000007726f0
[ 8821.751773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8821.751775] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8821.751777] PKRU: 55555554
[ 8821.751778] Call Trace:
[ 8821.751780] <TASK>
[ 8821.751783] __debug_check_no_obj_freed+0x252/0x510
[ 8821.751801] ? __pfx___debug_check_no_obj_freed+0x10/0x10
[ 8821.751809] ? __radix_tree_delete+0xa8/0x2e0
[ 8821.751821] ? rcu_is_watching+0x11/0xb0
[ 8821.751832] __free_frozen_pages+0x3c0/0x12d0
[ 8821.751849] null_free_page+0x79/0xa0 [null_blk]
[ 8821.751863] null_free_device_storage+0x129/0x230 [null_blk]
[ 8821.751881] ? __pfx_null_free_device_storage+0x10/0x10 [null_blk]
[ 8821.751908] ? null_del_dev.part.0+0x2a6/0x480 [null_blk]
[ 8821.751928] nullb_device_release+0x1d/0x50 [null_blk]
[ 8821.751939] config_item_cleanup+0xe7/0x210
[ 8821.751948] configfs_rmdir+0x616/0x9e0
[ 8821.751955] ? __pfx_may_link+0x10/0x10
[ 8821.751966] ? __pfx_configfs_rmdir+0x10/0x10
[ 8821.751968] ? __pfx_down_write+0x10/0x10
[ 8821.751984] vfs_rmdir+0x1a1/0x590
[ 8821.751994] do_rmdir+0x240/0x2d0
[ 8821.752001] ? __pfx_do_rmdir+0x10/0x10
[ 8821.752018] ? getname_flags.part.0+0xfd/0x490
[ 8821.752029] __x64_sys_unlinkat+0xb5/0xf0
[ 8821.752036] do_syscall_64+0x8c/0x3d0
[ 8821.752048] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 8821.752052] RIP: 0033:0x7fec1d0ffbcb
[ 8821.752057] Code: 73 01 c3 48 8b 0d 4d 92 0f 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 b8 07 01 00
00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1d 92 0f 00 f7 d8 64 89
01 48
[ 8821.752059] RSP: 002b:00007ffe6f4cac58 EFLAGS: 00000206 ORIG_RAX:
0000000000000107
[ 8821.752062] RAX: ffffffffffffffda RBX: 0000000000000200 RCX: 00007fec1d0ffbcb
[ 8821.752065] RDX: 0000000000000200 RSI: 0000562dcf4945a0 RDI: 0000000000000005
[ 8821.752067] RBP: 0000562dcf4945a0 R08: 0000000000000001 R09: 0000000000000000
[ 8821.752069] R10: 00000000ffffffff R11: 0000000000000206 R12: 0000562dcf48a920
[ 8821.752071] R13: 0000000000000000 R14: 0000000000000005 R15: 0000562dcf4944a0
[ 8821.752092] </TASK>
--
Best Regards,
Yi Zhang
