Hello I found this circular locking dependency issue from v6.13-rc1 with blktests nvme/012, please help check it, thanks. [ 9908.538638] run blktests nvme/012 at 2024-12-04 08:49:38 [ 9908.965251] loop0: detected capacity change from 0 to 2097152 [ 9909.086611] nvmet: adding nsid 1 to subsystem blktests-subsystem-1 [ 9909.689505] nvmet: creating nvm controller 1 for subsystem blktests-subsystem-1 for NQN nqn.2014-08.org.nvmexpress:uuid:0f01fb42-9f7f-4856-b0b3-51e60b8de349. [ 9909.697002] nvme nvme3: creating 16 I/O queues. [ 9909.744794] nvme nvme3: new ctrl: "blktests-subsystem-1" [ 9911.067192] XFS (nvme3n1): Mounting V5 Filesystem d2ab7427-0950-4ac1-94fb-8f885179f74c [ 9911.118718] XFS (nvme3n1): Ending clean mount [ 9911.483147] ====================================================== [ 9911.489334] WARNING: possible circular locking dependency detected [ 9911.495514] 6.13.0-rc1 #1 Not tainted [ 9911.499186] ------------------------------------------------------ [ 9911.505367] fio/50910 is trying to acquire lock: [ 9911.509994] ffff8881eb87e9b0 (&q->q_usage_counter(io)#31){++++}-{0:0}, at: blk_mq_submit_bio+0x43d/0x18d0 [ 9911.519588] but task is already holding lock: [ 9911.525421] ffff88812b4d3920 (&xfs_dir_ilock_class/5){+.+.}-{4:4}, at: xfs_create+0x31f/0x8c0 [xfs] [ 9911.534841] which lock already depends on the new lock. [ 9911.543021] the existing dependency chain (in reverse order) is: [ 9911.550500] -> #5 (&xfs_dir_ilock_class/5){+.+.}-{4:4}: [ 9911.557218] __lock_acquire+0xc94/0x1cf0 [ 9911.561670] lock_acquire+0x177/0x3e0 [ 9911.565857] down_write_nested+0x9c/0x230 [ 9911.570398] xfs_create+0x31f/0x8c0 [xfs] [ 9911.575236] xfs_generic_create+0x50e/0x680 [xfs] [ 9911.580763] lookup_open.isra.0+0xec7/0x1700 [ 9911.585566] open_last_lookups+0x699/0x1380 [ 9911.590279] path_openat+0x169/0x640 [ 9911.594389] do_filp_open+0x1d4/0x420 [ 9911.598582] do_sys_openat2+0x122/0x160 [ 9911.602948] __x64_sys_openat+0x11f/0x1e0 [ 9911.607482] do_syscall_64+0x8c/0x180 [ 9911.611678] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 9911.617258] -> #4 (sb_internal){.+.+}-{0:0}: [ 9911.623023] __lock_acquire+0xc94/0x1cf0 [ 9911.627476] lock_acquire+0x177/0x3e0 [ 9911.631671] xfs_trans_alloc+0x37e/0x6b0 [xfs] [ 9911.636938] xfs_vn_update_time+0x121/0x310 [xfs] [ 9911.642470] touch_atime+0x2d5/0x470 [ 9911.646578] xfs_file_mmap+0x21f/0x4e0 [xfs] [ 9911.651674] __mmap_new_vma+0x394/0x1050 [ 9911.656127] __mmap_region+0x768/0x1040 [ 9911.660494] do_mmap+0x9a6/0xff0 [ 9911.664248] vm_mmap_pgoff+0x16d/0x2e0 [ 9911.668527] ksys_mmap_pgoff+0x2e8/0x450 [ 9911.672974] do_syscall_64+0x8c/0x180 [ 9911.677169] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 9911.682751] -> #3 (&mm->mmap_lock){++++}-{4:4}: [ 9911.688775] __lock_acquire+0xc94/0x1cf0 [ 9911.693227] lock_acquire+0x177/0x3e0 [ 9911.697412] __might_fault+0xef/0x170 [ 9911.701598] _copy_to_user+0x1e/0x80 [ 9911.705708] relay_file_read+0x14c/0x880 [ 9911.710162] full_proxy_read+0xdf/0x1b0 [ 9911.714529] vfs_read+0x169/0xc30 [ 9911.718369] ksys_read+0xf4/0x1d0 [ 9911.722208] do_syscall_64+0x8c/0x180 [ 9911.726403] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 9911.731976] -> #2 (&sb->s_type->i_mutex_key#3){++++}-{4:4}: [ 9911.739046] __lock_acquire+0xc94/0x1cf0 [ 9911.743494] lock_acquire+0x177/0x3e0 [ 9911.747686] down_write+0x98/0x220 [ 9911.751614] start_creating.part.0+0x83/0x2f0 [ 9911.756502] debugfs_create_dir+0x42/0x560 [ 9911.761128] nvmf_get_address+0x13f/0x490 [nvme_fabrics] [ 9911.766971] scsi_add_lun+0x1662/0x1ed0 [ 9911.771339] scsi_probe_and_add_lun+0x2ab/0xb50 [ 9911.776401] __scsi_scan_target+0x18e/0x3d0 [ 9911.781115] scsi_scan_channel+0xf6/0x180 [ 9911.785655] scsi_scan_host_selected+0x1ff/0x2e0 [ 9911.790794] do_scan_async+0x3f/0x490 [ 9911.794981] async_run_entry_fn+0x96/0x4f0 [ 9911.799608] process_one_work+0xe64/0x16a0 [ 9911.804236] worker_thread+0x588/0xce0 [ 9911.808517] kthread+0x2f6/0x3e0 [ 9911.812279] ret_from_fork+0x30/0x70 [ 9911.816387] ret_from_fork_asm+0x1a/0x30 [ 9911.820841] -> #1 (&q->limits_lock){+.+.}-{4:4}: [ 9911.826952] __lock_acquire+0xc94/0x1cf0 [ 9911.831405] lock_acquire+0x177/0x3e0 [ 9911.835591] __mutex_lock+0x17c/0x1570 [ 9911.839875] nvme_update_ns_info_block+0x45f/0x1fc0 [nvme_core] [ 9911.846356] nvme_update_ns_info+0x1d9/0xbb0 [nvme_core] [ 9911.852214] nvme_alloc_ns+0x4b2/0x1690 [nvme_core] [ 9911.857640] nvme_scan_ns+0x362/0x4c0 [nvme_core] [ 9911.862891] async_run_entry_fn+0x96/0x4f0 [ 9911.867519] process_one_work+0xe64/0x16a0 [ 9911.872146] worker_thread+0x588/0xce0 [ 9911.876419] kthread+0x2f6/0x3e0 [ 9911.880172] ret_from_fork+0x30/0x70 [ 9911.884281] ret_from_fork_asm+0x1a/0x30 [ 9911.888733] -> #0 (&q->q_usage_counter(io)#31){++++}-{0:0}: [ 9911.895797] check_prev_add+0x1b7/0x2360 [ 9911.900252] validate_chain+0xa42/0xe00 [ 9911.904619] __lock_acquire+0xc94/0x1cf0 [ 9911.909065] lock_acquire+0x177/0x3e0 [ 9911.913250] bio_queue_enter+0x228/0x360 [ 9911.917705] blk_mq_submit_bio+0x43d/0x18d0 [ 9911.922420] __submit_bio+0x191/0x460 [ 9911.926615] submit_bio_noacct_nocheck+0x4a5/0x650 [ 9911.931935] xfs_buf_ioapply_map+0x412/0x5d0 [xfs] [ 9911.937553] _xfs_buf_ioapply+0x34c/0x650 [xfs] [ 9911.942907] __xfs_buf_submit+0x1c4/0x540 [xfs] [ 9911.948255] xfs_buf_read_map+0x2ec/0x8c0 [xfs] [ 9911.953602] xfs_trans_read_buf_map+0x440/0x890 [xfs] [ 9911.959478] xfs_btree_read_buf_block+0x219/0x5a0 [xfs] [ 9911.965517] xfs_btree_lookup_get_block.part.0+0x133/0x790 [xfs] [ 9911.972331] xfs_btree_lookup+0x47f/0x12b0 [xfs] [ 9911.977754] xfs_dialloc_ag_finobt_near+0x1a6/0x7d0 [xfs] [ 9911.983979] xfs_dialloc_ag+0x579/0x7c0 [xfs] [ 9911.989151] xfs_dialloc+0x915/0xe00 [xfs] [ 9911.994066] xfs_create+0x332/0x8c0 [xfs] [ 9911.998900] xfs_generic_create+0x50e/0x680 [xfs] [ 9912.004429] lookup_open.isra.0+0xec7/0x1700 [ 9912.009222] open_last_lookups+0x699/0x1380 [ 9912.013930] path_openat+0x169/0x640 [ 9912.018036] do_filp_open+0x1d4/0x420 [ 9912.022232] do_sys_openat2+0x122/0x160 [ 9912.026599] __x64_sys_openat+0x11f/0x1e0 [ 9912.031142] do_syscall_64+0x8c/0x180 [ 9912.035336] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 9912.040918] other info that might help us debug this: [ 9912.048923] Chain exists of: &q->q_usage_counter(io)#31 --> sb_internal --> &xfs_dir_ilock_class/5 [ 9912.060945] Possible unsafe locking scenario: [ 9912.066863] CPU0 CPU1 [ 9912.071396] ---- ---- [ 9912.075930] lock(&xfs_dir_ilock_class/5); [ 9912.080131] lock(sb_internal); [ 9912.085886] lock(&xfs_dir_ilock_class/5); [ 9912.092594] rlock(&q->q_usage_counter(io)#31); [ 9912.097230] *** DEADLOCK *** [ 9912.103151] 4 locks held by fio/50910: [ 9912.106912] #0: ffff88831fdb4430 (sb_writers#15){.+.+}-{0:0}, at: open_last_lookups+0xd06/0x1380 [ 9912.115804] #1: ffff88812b4d3b58 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{4:4}, at: open_last_lookups+0x622/0x1380 [ 9912.126775] #2: ffff88831fdb4650 (sb_internal){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xa4/0x1a0 [xfs] [ 9912.136665] #3: ffff88812b4d3920 (&xfs_dir_ilock_class/5){+.+.}-{4:4}, at: xfs_create+0x31f/0x8c0 [xfs] [ 9912.146464] stack backtrace: [ 9912.150826] CPU: 6 UID: 0 PID: 50910 Comm: fio Not tainted 6.13.0-rc1 #1 [ 9912.157531] Hardware name: Dell Inc. PowerEdge R6515/07PXPY, BIOS 2.15.2 04/02/2024 [ 9912.165184] Call Trace: [ 9912.167638] <TASK> [ 9912.169752] dump_stack_lvl+0x7e/0xc0 [ 9912.173428] print_circular_bug+0x1b7/0x240 [ 9912.177627] check_noncircular+0x2f6/0x3e0 [ 9912.181734] ? __pfx_check_noncircular+0x10/0x10 [ 9912.186358] ? srso_return_thunk+0x5/0x5f [ 9912.190377] ? find_held_lock+0x33/0x120 [ 9912.194313] ? srso_return_thunk+0x5/0x5f [ 9912.198339] ? __lock_acquired+0x228/0x800 [ 9912.202443] ? __pfx___lock_release+0x10/0x10 [ 9912.206809] ? srso_return_thunk+0x5/0x5f [ 9912.210840] check_prev_add+0x1b7/0x2360 [ 9912.214783] validate_chain+0xa42/0xe00 [ 9912.218641] ? __pfx_validate_chain+0x10/0x10 [ 9912.223008] ? srso_return_thunk+0x5/0x5f [ 9912.227026] ? mark_lock.part.0+0x77/0x880 [ 9912.231136] __lock_acquire+0xc94/0x1cf0 [ 9912.235078] ? icmp6_match+0x5f/0x410 [ 9912.238752] ? rcu_is_watching+0x11/0xb0 [ 9912.242689] ? srso_return_thunk+0x5/0x5f [ 9912.246713] lock_acquire+0x177/0x3e0 [ 9912.250385] ? blk_mq_submit_bio+0x43d/0x18d0 [ 9912.254758] ? __pfx_lock_acquire+0x10/0x10 [ 9912.258947] ? __pfx___lock_release+0x10/0x10 [ 9912.263319] ? validate_chain+0x148/0xe00 [ 9912.267339] ? srso_return_thunk+0x5/0x5f [ 9912.271358] ? rcu_is_watching+0x11/0xb0 [ 9912.275300] bio_queue_enter+0x228/0x360 [ 9912.279236] ? blk_mq_submit_bio+0x43d/0x18d0 [ 9912.283604] blk_mq_submit_bio+0x43d/0x18d0 [ 9912.287803] ? srso_return_thunk+0x5/0x5f [ 9912.291818] ? __lock_acquire+0xc94/0x1cf0 [ 9912.295927] ? __pfx_blk_mq_submit_bio+0x10/0x10 [ 9912.300558] ? icmp6_match+0x5f/0x410 [ 9912.304229] ? rcu_is_watching+0x11/0xb0 [ 9912.308163] ? srso_return_thunk+0x5/0x5f [ 9912.312178] ? srso_return_thunk+0x5/0x5f [ 9912.316198] ? find_held_lock+0x33/0x120 [ 9912.320132] ? local_clock_noinstr+0x9/0xc0 [ 9912.324333] __submit_bio+0x191/0x460 [ 9912.328001] ? blkg_tryget_closest+0x546/0xbb0 [ 9912.332457] ? __pfx___submit_bio+0x10/0x10 [ 9912.336655] ? srso_return_thunk+0x5/0x5f [ 9912.340671] ? mark_held_locks+0xa5/0xf0 [ 9912.344605] ? srso_return_thunk+0x5/0x5f [ 9912.348620] ? ktime_get+0x166/0x1e0 [ 9912.352206] ? srso_return_thunk+0x5/0x5f [ 9912.356233] ? submit_bio_noacct_nocheck+0x4a5/0x650 [ 9912.361201] ? srso_return_thunk+0x5/0x5f [ 9912.365223] submit_bio_noacct_nocheck+0x4a5/0x650 [ 9912.370028] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 9912.375349] ? srso_return_thunk+0x5/0x5f [ 9912.379366] ? submit_bio_noacct+0xa16/0x1990 [ 9912.383741] xfs_buf_ioapply_map+0x412/0x5d0 [xfs] [ 9912.388857] ? _raw_spin_unlock+0x29/0x50 [ 9912.392882] _xfs_buf_ioapply+0x34c/0x650 [xfs] [ 9912.397714] ? __pfx_xfs_buf_find_insert.constprop.0+0x10/0x10 [xfs] [ 9912.404377] ? __pfx__xfs_buf_ioapply+0x10/0x10 [xfs] [ 9912.409738] ? __pfx_xfs_buf_get_map+0x10/0x10 [xfs] [ 9912.415005] ? srso_return_thunk+0x5/0x5f [ 9912.419023] ? rcu_is_watching+0x11/0xb0 [ 9912.422952] ? srso_return_thunk+0x5/0x5f [ 9912.426974] __xfs_buf_submit+0x1c4/0x540 [xfs] [ 9912.431813] xfs_buf_read_map+0x2ec/0x8c0 [xfs] [ 9912.436646] ? xfs_btree_read_buf_block+0x219/0x5a0 [xfs] [ 9912.442357] ? __pfx_xfs_buf_read_map+0x10/0x10 [xfs] [ 9912.447708] ? srso_return_thunk+0x5/0x5f [ 9912.451732] xfs_trans_read_buf_map+0x440/0x890 [xfs] [ 9912.457088] ? xfs_btree_read_buf_block+0x219/0x5a0 [xfs] [ 9912.462793] ? __pfx_xfs_trans_read_buf_map+0x10/0x10 [xfs] [ 9912.468675] ? rcu_is_watching+0x11/0xb0 [ 9912.472610] ? srso_return_thunk+0x5/0x5f [ 9912.476636] xfs_btree_read_buf_block+0x219/0x5a0 [xfs] [ 9912.482174] ? __pfx___lock_release+0x10/0x10 [ 9912.486537] ? __pfx_xfs_btree_read_buf_block+0x10/0x10 [xfs] [ 9912.492577] ? validate_chain+0x148/0xe00 [ 9912.496599] ? rcu_is_watching+0x11/0xb0 [ 9912.500539] xfs_btree_lookup_get_block.part.0+0x133/0x790 [xfs] [ 9912.506831] ? srso_return_thunk+0x5/0x5f [ 9912.510852] ? mark_lock.part.0+0x77/0x880 [ 9912.514964] ? __pfx_xfs_btree_lookup_get_block.part.0+0x10/0x10 [xfs] [ 9912.521778] ? srso_return_thunk+0x5/0x5f [ 9912.525795] ? __lock_acquire+0xc94/0x1cf0 [ 9912.529911] xfs_btree_lookup+0x47f/0x12b0 [xfs] [ 9912.534816] ? rcu_is_watching+0x11/0xb0 [ 9912.538757] ? srso_return_thunk+0x5/0x5f [ 9912.542775] ? srso_return_thunk+0x5/0x5f [ 9912.546795] ? __pfx_xfs_btree_lookup+0x10/0x10 [xfs] [ 9912.552140] ? __lock_acquired+0x228/0x800 [ 9912.556255] ? mark_lock.part.0+0x77/0x880 [ 9912.560361] ? srso_return_thunk+0x5/0x5f [ 9912.564377] ? mark_held_locks+0xa5/0xf0 [ 9912.568310] ? srso_return_thunk+0x5/0x5f [ 9912.572327] ? _raw_spin_unlock_irqrestore+0x59/0x70 [ 9912.577298] ? srso_return_thunk+0x5/0x5f [ 9912.581318] xfs_dialloc_ag_finobt_near+0x1a6/0x7d0 [xfs] [ 9912.587016] ? rcu_is_watching+0x11/0xb0 [ 9912.590951] ? __pfx_xfs_dialloc_ag_finobt_near+0x10/0x10 [xfs] [ 9912.597165] ? srso_return_thunk+0x5/0x5f [ 9912.601183] ? rcu_is_watching+0x11/0xb0 [ 9912.605109] ? srso_return_thunk+0x5/0x5f [ 9912.609132] ? trace_xfs_group_hold+0x17e/0x200 [xfs] [ 9912.614482] ? srso_return_thunk+0x5/0x5f [ 9912.618500] ? xfs_group_hold+0x6b/0x100 [xfs] [ 9912.623225] ? srso_return_thunk+0x5/0x5f [ 9912.627249] xfs_dialloc_ag+0x579/0x7c0 [xfs] [ 9912.631911] ? srso_return_thunk+0x5/0x5f [ 9912.635928] ? rcu_is_watching+0x11/0xb0 [ 9912.639866] ? __pfx_xfs_dialloc_ag+0x10/0x10 [xfs] [ 9912.645063] ? srso_return_thunk+0x5/0x5f [ 9912.649084] ? xfs_ialloc_read_agi+0x11c/0x4a0 [xfs] [ 9912.654349] ? __pfx_xfs_ialloc_read_agi+0x10/0x10 [xfs] [ 9912.659961] ? xfs_group_grab+0xde/0x1a0 [xfs] [ 9912.664692] ? srso_return_thunk+0x5/0x5f [ 9912.668718] xfs_dialloc+0x915/0xe00 [xfs] [ 9912.673123] ? xfs_create+0x31f/0x8c0 [xfs] [ 9912.677618] ? __pfx_xfs_dialloc+0x10/0x10 [xfs] [ 9912.682542] ? srso_return_thunk+0x5/0x5f [ 9912.686558] ? __pfx_down_write_nested+0x10/0x10 [ 9912.691185] ? srso_return_thunk+0x5/0x5f [ 9912.695206] ? trace_xfs_ilock+0x191/0x220 [xfs] [ 9912.700136] xfs_create+0x332/0x8c0 [xfs] [ 9912.704448] ? __pfx_xfs_create+0x10/0x10 [xfs] [ 9912.709273] ? get_cached_acl+0x26a/0x390 [ 9912.713298] ? get_cached_acl+0x274/0x390 [ 9912.717318] ? __pfx_get_cached_acl+0x10/0x10 [ 9912.721691] ? srso_return_thunk+0x5/0x5f [ 9912.725712] ? posix_acl_create+0x2ab/0x450 [ 9912.729910] xfs_generic_create+0x50e/0x680 [xfs] [ 9912.734919] ? __pfx_xfs_generic_create+0x10/0x10 [xfs] [ 9912.740446] ? may_create+0x29d/0x320 [ 9912.744123] ? __pfx_may_create+0x10/0x10 [ 9912.748143] ? __pfx_selinux_inode_permission+0x10/0x10 [ 9912.753380] ? from_kgid+0x84/0xc0 [ 9912.756799] lookup_open.isra.0+0xec7/0x1700 [ 9912.761089] ? __pfx_lookup_open.isra.0+0x10/0x10 [ 9912.765810] ? rcu_is_watching+0x11/0xb0 [ 9912.769758] ? __pfx_down_write+0x10/0x10 [ 9912.773775] ? srso_return_thunk+0x5/0x5f [ 9912.777786] ? mnt_get_write_access+0x1a7/0x290 [ 9912.782338] open_last_lookups+0x699/0x1380 [ 9912.786541] path_openat+0x169/0x640 [ 9912.790135] ? __pfx_path_openat+0x10/0x10 [ 9912.794238] ? srso_return_thunk+0x5/0x5f [ 9912.798257] ? __lock_acquire+0xc94/0x1cf0 [ 9912.802376] do_filp_open+0x1d4/0x420 [ 9912.806053] ? __pfx_do_filp_open+0x10/0x10 [ 9912.810243] ? find_held_lock+0x33/0x120 [ 9912.814180] ? srso_return_thunk+0x5/0x5f [ 9912.818215] ? srso_return_thunk+0x5/0x5f [ 9912.822228] ? rcu_is_watching+0x11/0xb0 [ 9912.826161] ? do_raw_spin_unlock+0x55/0x1f0 [ 9912.830438] ? srso_return_thunk+0x5/0x5f [ 9912.834457] ? _raw_spin_unlock+0x29/0x50 [ 9912.838480] ? srso_return_thunk+0x5/0x5f [ 9912.842499] ? alloc_fd+0x25f/0x480 [ 9912.846000] do_sys_openat2+0x122/0x160 [ 9912.849849] ? srso_return_thunk+0x5/0x5f [ 9912.853873] ? __pfx_do_sys_openat2+0x10/0x10 [ 9912.858243] ? __pfx___lock_acquired+0x10/0x10 [ 9912.862701] __x64_sys_openat+0x11f/0x1e0 [ 9912.866724] ? __pfx___x64_sys_openat+0x10/0x10 [ 9912.871273] ? srso_return_thunk+0x5/0x5f [ 9912.875295] ? syscall_trace_enter+0x140/0x260 [ 9912.879752] do_syscall_64+0x8c/0x180 [ 9912.883422] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 9912.888832] ? srso_return_thunk+0x5/0x5f [ 9912.892854] ? srso_return_thunk+0x5/0x5f [ 9912.896874] ? srso_return_thunk+0x5/0x5f [ 9912.900900] ? kasan_quarantine_put+0x109/0x220 [ 9912.905444] ? srso_return_thunk+0x5/0x5f [ 9912.909458] ? lockdep_hardirqs_on+0x78/0x100 [ 9912.913825] ? srso_return_thunk+0x5/0x5f [ 9912.917848] ? srso_return_thunk+0x5/0x5f [ 9912.921868] ? kmem_cache_free+0x1be/0x5c0 [ 9912.925976] ? do_unlinkat+0x107/0x5f0 [ 9912.929741] ? srso_return_thunk+0x5/0x5f [ 9912.933759] ? do_unlinkat+0x107/0x5f0 [ 9912.937519] ? srso_return_thunk+0x5/0x5f [ 9912.941540] ? __pfx_do_unlinkat+0x10/0x10 [ 9912.945648] ? srso_return_thunk+0x5/0x5f [ 9912.949679] ? srso_return_thunk+0x5/0x5f [ 9912.953697] ? rcu_is_watching+0x11/0xb0 [ 9912.957629] ? lockdep_hardirqs_on_prepare+0x179/0x400 [ 9912.962772] ? do_syscall_64+0x98/0x180 [ 9912.966619] ? srso_return_thunk+0x5/0x5f [ 9912.970632] ? lockdep_hardirqs_on+0x78/0x100 [ 9912.974992] ? srso_return_thunk+0x5/0x5f [ 9912.979013] ? do_syscall_64+0x98/0x180 [ 9912.982864] ? __pfx___lock_release+0x10/0x10 [ 9912.987229] ? srso_return_thunk+0x5/0x5f [ 9912.991240] ? __up_read+0x1fd/0x750 [ 9912.994823] ? srso_return_thunk+0x5/0x5f [ 9912.998845] ? srso_return_thunk+0x5/0x5f [ 9913.002863] ? rcu_is_watching+0x11/0xb0 [ 9913.006803] ? do_user_addr_fault+0x4a2/0xb60 [ 9913.011176] ? srso_return_thunk+0x5/0x5f [ 9913.015200] ? srso_return_thunk+0x5/0x5f [ 9913.019216] ? rcu_is_watching+0x11/0xb0 [ 9913.023145] ? lockdep_hardirqs_on_prepare+0x179/0x400 [ 9913.028296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 9913.033351] RIP: 0033:0x7f1adc6fd884 [ 9913.036940] Code: 24 20 eb 8f 66 90 44 89 54 24 0c e8 f6 88 f8 ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 48 89 f8 ff 8b 44 [ 9913.055693] RSP: 002b:00007ffe542c3bd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 9913.063270] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1adc6fd884 [ 9913.070410] RDX: 0000000000000041 RSI: 00007f1adb6132b0 RDI: 00000000ffffff9c [ 9913.077551] RBP: 00007f1adb6132b0 R08: 0000000000000000 R09: 0000000000000000 [ 9913.084682] R10: 00000000000001a4 R11: 0000000000000293 R12: 0000000000000041 [ 9913.091817] R13: 0000000000000000 R14: 00007f1adb613110 R15: 0000000039900000 [ 9913.098972] </TASK> [10136.543070] XFS (nvme3n1): Unmounting Filesystem d2ab7427-0950-4ac1-94fb-8f885179f74c [10136.735552] nvme nvme3: Removing ctrl: NQN "blktests-subsystem-1" -- Best Regards, Yi Zhang