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Message-ID: <ZxYsjXDsvsIt4wcR@ly-workstation>
Date: Mon, 21 Oct 2024 18:27:25 +0800
From: "Lai, Yi" <yi1.lai@...ux.intel.com>
To: kent.overstreet@...ux.dev
Cc: linux-bcachefs@...r.kernel.org, linux-kernel@...r.kernel.org,
syzkaller-bugs@...glegroups.com
Subject: [Syzkaller & bisect] There is INFO: task hung in __rq_qos_throttle
Hi Kent Overstreet,
Greetings!
I used Syzkaller and found that there is INFO: task hung in __rq_qos_throttle in v6.12-rc2
After bisection and the first bad commit is:
"
63332394c7e1 bcachefs: Move snapshot table size to struct snapshot_table
"
All detailed into can be found at:
https://github.com/laifryiee/syzkaller_logs/tree/main/241018_153537___rq_qos_throttle
Syzkaller repro code:
https://github.com/laifryiee/syzkaller_logs/tree/main/241018_153537___rq_qos_throttle/repro.c
Syzkaller repro syscall steps:
https://github.com/laifryiee/syzkaller_logs/tree/main/241018_153537___rq_qos_throttle/repro.prog
Syzkaller report:
https://github.com/laifryiee/syzkaller_logs/tree/main/241018_153537___rq_qos_throttle/repro.report
Kconfig(make olddefconfig):
https://github.com/laifryiee/syzkaller_logs/tree/main/241018_153537___rq_qos_throttle/kconfig_origin
Bisect info:
https://github.com/laifryiee/syzkaller_logs/tree/main/241018_153537___rq_qos_throttle/bisect_info.log
bzImage:
https://github.com/laifryiee/syzkaller_logs/raw/refs/heads/main/241018_153537___rq_qos_throttle/bzImage_8cf0b93919e13d1e8d4466eb4080a4c4d9d66d7b
Issue dmesg:
https://github.com/laifryiee/syzkaller_logs/blob/main/241018_153537___rq_qos_throttle/8cf0b93919e13d1e8d4466eb4080a4c4d9d66d7b_dmesg.log
"
[ 300.896887] INFO: task kworker/u8:1:31 blocked for more than 147 seconds.
[ 300.897578] Tainted: G W 6.12.0-rc2-8cf0b93919e1 #1
[ 300.897984] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 300.898431] task:kworker/u8:1 state:D stack:0 pid:31 tgid:31 ppid:2 flags:0x00004000
[ 300.898985] Workqueue: writeback wb_workfn (flush-8:0)
[ 300.899352] Call Trace:
[ 300.899512] <TASK>
[ 300.899661] __schedule+0xe13/0x33a0
[ 300.899934] ? __pfx___schedule+0x10/0x10
[ 300.900181] ? lock_release+0x441/0x870
[ 300.900439] ? __pfx_lock_release+0x10/0x10
[ 300.900747] ? trace_lock_acquire+0x139/0x1b0
[ 300.901041] ? __sanitizer_cov_trace_const_cmp4+0x1a/0x20
[ 300.901374] ? kthread_data+0x61/0xd0
[ 300.901623] schedule+0xf6/0x3f0
[ 300.901850] io_schedule+0xce/0x150
[ 300.902081] rq_qos_wait+0x1c5/0x310
[ 300.902324] ? __pfx_wbt_cleanup_cb+0x10/0x10
[ 300.902602] ? __pfx_rq_qos_wait+0x10/0x10
[ 300.902883] ? __pfx_lock_release+0x10/0x10
[ 300.903149] ? __pfx_rq_qos_wake_function+0x10/0x10
[ 300.903460] ? __pfx_wbt_inflight_cb+0x10/0x10
[ 300.903744] ? do_raw_spin_unlock+0x15c/0x210
[ 300.904038] wbt_wait+0x1ec/0x400
[ 300.904243] ? __pfx_wbt_wait+0x10/0x10
[ 300.904480] ? __pfx_dd_bio_merge+0x10/0x10
[ 300.904805] ? __pfx_wbt_wait+0x10/0x10
[ 300.905055] __rq_qos_throttle+0x5f/0xb0
[ 300.905303] blk_mq_submit_bio+0x8ad/0x2a20
[ 300.905561] ? __kasan_check_read+0x15/0x20
[ 300.905837] ? __pfx_blk_mq_submit_bio+0x10/0x10
[ 300.906118] ? __pfx_mark_lock.part.0+0x10/0x10
[ 300.906404] ? __this_cpu_preempt_check+0x21/0x30
[ 300.906702] ? __this_cpu_preempt_check+0x21/0x30
[ 300.906977] ? lock_release+0x441/0x870
[ 300.907217] __submit_bio+0x18d/0x500
[ 300.907452] ? __pfx___submit_bio+0x10/0x10
[ 300.907705] ? __this_cpu_preempt_check+0x21/0x30
[ 300.907997] ? seqcount_lockdep_reader_access.constprop.0+0xb4/0xd0
[ 300.908380] ? __sanitizer_cov_trace_const_cmp1+0x1e/0x30
[ 300.908756] ? kvm_clock_get_cycles+0x43/0x70
[ 300.909061] submit_bio_noacct_nocheck+0x6a0/0xcc0
[ 300.909360] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10
[ 300.909675] submit_bio_noacct+0x61d/0x1dc0
[ 300.909939] submit_bio+0xce/0x480
[ 300.910190] ext4_io_submit+0xb0/0x150
[ 300.910767] ext4_do_writepages+0x1103/0x2f30
[ 300.911455] ? __pfx_ext4_do_writepages+0x10/0x10
[ 300.912095] ? rcu_is_watching+0x19/0xc0
[ 300.912736] ? __this_cpu_preempt_check+0x21/0x30
[ 300.913438] ? lock_is_held_type+0xef/0x150
[ 300.914069] ext4_writepages+0x35c/0x7c0
[ 300.914648] ? __pfx_ext4_writepages+0x10/0x10
[ 300.915363] ? __pfx_ext4_writepages+0x10/0x10
[ 300.916023] do_writepages+0x1c3/0x8a0
[ 300.916605] ? __pfx_do_writepages+0x10/0x10
[ 300.917302] ? __pfx_lock_release+0x10/0x10
[ 300.917929] ? __pfx_lock_release+0x10/0x10
[ 300.918533] __writeback_single_inode+0x124/0xe10
[ 300.918875] ? wbc_attach_and_unlock_inode+0x5a9/0x950
[ 300.919200] writeback_sb_inodes+0x63b/0x1000
[ 300.919492] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 300.919789] ? lock_acquire.part.0+0x152/0x390
[ 300.920113] ? __sanitizer_cov_trace_const_cmp8+0x1c/0x30
[ 300.920438] __writeback_inodes_wb+0xc8/0x280
[ 300.920759] wb_writeback+0x717/0xaf0
[ 300.921013] ? __pfx_wb_writeback+0x10/0x10
[ 300.921286] ? __sanitizer_cov_trace_cmp4+0x1a/0x20
[ 300.921586] ? get_nr_dirty_inodes+0x12c/0x1b0
[ 300.921881] ? lockdep_hardirqs_on+0x89/0x110
[ 300.922163] wb_workfn+0x7b5/0xc90
[ 300.922390] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 300.922695] ? __pfx_wb_workfn+0x10/0x10
[ 300.922953] ? rcu_is_watching+0x19/0xc0
[ 300.923226] process_one_work+0x92e/0x1b50
[ 300.923490] ? lock_acquire.part.0+0x152/0x390
[ 300.923787] ? __pfx_process_one_work+0x10/0x10
[ 300.924071] ? move_linked_works+0x1bf/0x2c0
[ 300.924348] ? __this_cpu_preempt_check+0x21/0x30
[ 300.924655] ? assign_work+0x19f/0x250
[ 300.924931] ? lock_is_held_type+0xef/0x150
[ 300.925194] worker_thread+0x68d/0xe90
[ 300.925433] ? lockdep_hardirqs_on+0x89/0x110
[ 300.925718] kthread+0x35a/0x470
[ 300.925930] ? __pfx_worker_thread+0x10/0x10
[ 300.926202] ? __pfx_kthread+0x10/0x10
[ 300.926445] ret_from_fork+0x56/0x90
[ 300.926685] ? __pfx_kthread+0x10/0x10
[ 300.926920] ret_from_fork_asm+0x1a/0x30
[ 300.927181] </TASK>
[ 300.927327] INFO: task kworker/u8:2:35 blocked for more than 147 seconds.
[ 300.927712] Tainted: G W 6.12.0-rc2-8cf0b93919e1 #1
[ 300.928104] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 300.928547] task:kworker/u8:2 state:D stack:0 pid:35 tgid:35 ppid:2 flags:0x00004000
[ 300.929167] Workqueue: writeback wb_workfn (flush-8:0)
[ 300.929503] Call Trace:
[ 300.929664] <TASK>
[ 300.929817] __schedule+0xe13/0x33a0
[ 300.930066] ? __pfx___schedule+0x10/0x10
[ 300.930322] ? lock_release+0x441/0x870
[ 300.930573] ? __pfx_lock_release+0x10/0x10
[ 300.930843] ? trace_lock_acquire+0x139/0x1b0
[ 300.931130] ? __sanitizer_cov_trace_const_cmp4+0x1a/0x20
[ 300.931461] ? kthread_data+0x61/0xd0
[ 300.931702] schedule+0xf6/0x3f0
[ 300.931929] io_schedule+0xce/0x150
[ 300.932152] blk_mq_get_tag+0x5e7/0xce0
[ 300.932403] ? __pfx_blk_mq_get_tag+0x10/0x10
[ 300.932710] ? __pfx_wbt_cleanup_cb+0x10/0x10
[ 300.932991] ? __sanitizer_cov_trace_switch+0x58/0xa0
[ 300.933301] ? __pfx_autoremove_wake_function+0x10/0x10
[ 300.933629] ? __pfx_rq_qos_wake_function+0x10/0x10
[ 300.933935] ? __sanitizer_cov_trace_const_cmp4+0x1a/0x20
[ 300.934262] ? dd_limit_depth+0x21e/0x2a0
[ 300.934516] ? __pfx_dd_limit_depth+0x10/0x10
[ 300.934790] __blk_mq_alloc_requests+0x6f6/0x1720
[ 300.935105] ? __pfx___blk_mq_alloc_requests+0x10/0x10
[ 300.935416] ? __pfx_wbt_wait+0x10/0x10
[ 300.935667] blk_mq_submit_bio+0x93c/0x2a20
[ 300.935942] ? __pfx_blk_mq_submit_bio+0x10/0x10
[ 300.936230] ? lru_add_drain+0x21c/0x420
[ 300.936471] __submit_bio+0x18d/0x500
[ 300.936737] ? __pfx___submit_bio+0x10/0x10
[ 300.937000] ? mpage_prepare_extent_to_map+0xf66/0x13d0
[ 300.937325] ? __sanitizer_cov_trace_cmp8+0x1c/0x30
[ 300.937628] ? mpage_release_unused_pages+0x662/0x800
[ 300.937969] submit_bio_noacct_nocheck+0x6a0/0xcc0
[ 300.938245] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10
[ 300.938561] ? lock_is_held_type+0xef/0x150
[ 300.938822] submit_bio_noacct+0x61d/0x1dc0
[ 300.939087] submit_bio+0xce/0x480
[ 300.939302] ext4_io_submit+0xb0/0x150
[ 300.939549] ext4_do_writepages+0xa54/0x2f30
[ 300.939828] ? __kasan_check_read+0x15/0x20
[ 300.940096] ? __this_cpu_preempt_check+0x21/0x30
[ 300.940406] ? __pfx_ext4_do_writepages+0x10/0x10
[ 300.940729] ? rcu_is_watching+0x19/0xc0
[ 300.940999] ? __this_cpu_preempt_check+0x21/0x30
[ 300.941296] ? lock_is_held_type+0xef/0x150
[ 300.941570] ext4_writepages+0x35c/0x7c0
[ 300.941820] ? __pfx_ext4_writepages+0x10/0x10
[ 300.942125] ? __pfx_ext4_writepages+0x10/0x10
[ 300.942406] do_writepages+0x1c3/0x8a0
[ 300.942656] ? __pfx_do_writepages+0x10/0x10
[ 300.942932] ? __pfx_lock_release+0x10/0x10
[ 300.943195] ? __pfx_lock_release+0x10/0x10
[ 300.943468] __writeback_single_inode+0x124/0xe10
[ 300.943757] ? wbc_attach_and_unlock_inode+0x5a9/0x950
[ 300.944077] writeback_sb_inodes+0x63b/0x1000
[ 300.944367] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 300.944659] ? lock_acquire.part.0+0x152/0x390
[ 300.945026] ? __sanitizer_cov_trace_const_cmp8+0x1c/0x30
[ 300.945355] __writeback_inodes_wb+0xc8/0x280
[ 300.945633] wb_writeback+0x717/0xaf0
[ 300.945882] ? __pfx_wb_writeback+0x10/0x10
[ 300.946152] ? __sanitizer_cov_trace_cmp4+0x1a/0x20
[ 300.946451] ? get_nr_dirty_inodes+0x12c/0x1b0
[ 300.946733] ? lockdep_hardirqs_on+0x89/0x110
[ 300.947009] wb_workfn+0x7b5/0xc90
[ 300.947214] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 300.947519] ? __pfx_wb_workfn+0x10/0x10
[ 300.947754] ? rcu_is_watching+0x19/0xc0
[ 300.948014] process_one_work+0x92e/0x1b50
[ 300.948247] ? lock_acquire.part.0+0x152/0x390
[ 300.948500] ? __pfx_process_one_work+0x10/0x10
[ 300.948775] ? move_linked_works+0x1bf/0x2c0
[ 300.949026] ? __this_cpu_preempt_check+0x21/0x30
[ 300.949326] ? assign_work+0x19f/0x250
[ 300.949562] ? lock_is_held_type+0xef/0x150
[ 300.949835] worker_thread+0x68d/0xe90
[ 300.950087] kthread+0x35a/0x470
[ 300.950275] ? __pfx_worker_thread+0x10/0x10
[ 300.950686] ? __pfx_kthread+0x10/0x10
[ 300.951199] ret_from_fork+0x56/0x90
[ 300.951684] ? __pfx_kthread+0x10/0x10
[ 300.952202] ret_from_fork_asm+0x1a/0x30
[ 300.952853] </TASK>
[ 300.953222] INFO: task kworker/u8:3:52 blocked for more than 147 seconds.
[ 300.954074] Tainted: G W 6.12.0-rc2-8cf0b93919e1 #1
[ 300.954925] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 300.955887] task:kworker/u8:3 state:D stack:0 pid:52 tgid:52 ppid:2 flags:0x00004000
[ 300.956759] Workqueue: writeback wb_workfn (flush-8:0)
[ 300.957054] Call Trace:
[ 300.957208] <TASK>
[ 300.957354] __schedule+0xe13/0x33a0
[ 300.957597] ? __pfx___schedule+0x10/0x10
[ 300.957853] ? lock_release+0x441/0x870
[ 300.958100] ? __pfx_lock_release+0x10/0x10
[ 300.958360] ? trace_lock_acquire+0x139/0x1b0
[ 300.958642] ? __sanitizer_cov_trace_const_cmp4+0x1a/0x20
[ 300.958973] ? kthread_data+0x61/0xd0
[ 300.959211] schedule+0xf6/0x3f0
[ 300.959426] io_schedule+0xce/0x150
[ 300.959654] rq_qos_wait+0x1c5/0x310
[ 300.959888] ? __pfx_wbt_cleanup_cb+0x10/0x10
[ 300.960157] ? __pfx_rq_qos_wait+0x10/0x10
[ 300.960417] ? __pfx_lock_release+0x10/0x10
[ 300.960701] ? __pfx_rq_qos_wake_function+0x10/0x10
[ 300.961005] ? __pfx_wbt_inflight_cb+0x10/0x10
[ 300.961288] ? do_raw_spin_unlock+0x15c/0x210
[ 300.961577] wbt_wait+0x1ec/0x400
[ 300.961800] ? __pfx_wbt_wait+0x10/0x10
[ 300.962038] ? __pfx_dd_bio_merge+0x10/0x10
[ 300.962290] ? __pfx_wbt_wait+0x10/0x10
[ 300.962525] __rq_qos_throttle+0x5f/0xb0
[ 300.962763] blk_mq_submit_bio+0x8ad/0x2a20
[ 300.963021] ? __kasan_check_read+0x15/0x20
[ 300.963288] ? __pfx_blk_mq_submit_bio+0x10/0x10
[ 300.963571] ? __pfx_mark_lock.part.0+0x10/0x10
[ 300.963860] ? __this_cpu_preempt_check+0x21/0x30
[ 300.964152] ? __this_cpu_preempt_check+0x21/0x30
[ 300.964437] ? lock_release+0x441/0x870
[ 300.964875] __submit_bio+0x18d/0x500
[ 300.965406] ? __pfx___submit_bio+0x10/0x10
[ 300.965989] ? __this_cpu_preempt_check+0x21/0x30
[ 300.966629] ? seqcount_lockdep_reader_access.constprop.0+0xb4/0xd0
[ 300.967478] ? __sanitizer_cov_trace_const_cmp1+0x1e/0x30
[ 300.968136] ? kvm_clock_get_cycles+0x43/0x70
[ 300.968416] submit_bio_noacct_nocheck+0x6a0/0xcc0
[ 300.968745] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10
[ 300.969082] ? __sanitizer_cov_trace_switch+0x58/0xa0
[ 300.969345] submit_bio_noacct+0x61d/0x1dc0
[ 300.969589] submit_bio+0xce/0x480
[ 300.969805] submit_bh_wbc+0x58a/0x740
[ 300.970049] __block_write_full_folio+0x7a1/0xed0
[ 300.970332] ? __pfx_blkdev_get_block+0x10/0x10
[ 300.970615] block_write_full_folio+0x2e6/0x3a0
[ 300.970898] ? __pfx_blkdev_get_block+0x10/0x10
[ 300.971215] ? __pfx_blkdev_get_block+0x10/0x10
[ 300.971526] write_cache_pages+0xbc/0x140
[ 300.971807] ? __pfx_block_write_full_folio+0x10/0x10
[ 300.972153] ? __pfx_write_cache_pages+0x10/0x10
[ 300.972475] ? __this_cpu_preempt_check+0x21/0x30
[ 300.972839] blkdev_writepages+0xa5/0xf0
[ 300.973122] ? __pfx_blkdev_writepages+0x10/0x10
[ 300.973434] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 300.973727] ? do_raw_spin_unlock+0x15c/0x210
[ 300.974009] ? __pfx_blkdev_writepages+0x10/0x10
[ 300.974295] do_writepages+0x1c3/0x8a0
[ 300.974542] ? __pfx_do_writepages+0x10/0x10
[ 300.974811] ? __pfx_lock_release+0x10/0x10
[ 300.975070] ? lock_release+0x441/0x870
[ 300.975325] __writeback_single_inode+0x124/0xe10
[ 300.975618] ? wbc_attach_and_unlock_inode+0x5a9/0x950
[ 300.975942] writeback_sb_inodes+0x63b/0x1000
[ 300.976227] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 300.976521] ? lock_acquire.part.0+0x152/0x390
[ 300.976888] ? __sanitizer_cov_trace_const_cmp8+0x1c/0x30
[ 300.977212] __writeback_inodes_wb+0xc8/0x280
[ 300.977491] wb_writeback+0x717/0xaf0
[ 300.977726] ? __pfx_wb_writeback+0x10/0x10
[ 300.977986] ? __sanitizer_cov_trace_cmp4+0x1a/0x20
[ 300.978278] ? __sanitizer_cov_trace_cmp4+0x1a/0x20
[ 300.978560] ? get_nr_dirty_inodes+0x12c/0x1b0
[ 300.978843] ? lockdep_hardirqs_on+0x89/0x110
[ 300.979123] wb_workfn+0x76c/0xc90
[ 300.979349] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 300.979646] ? __pfx_wb_workfn+0x10/0x10
[ 300.979878] ? rcu_is_watching+0x19/0xc0
[ 300.980133] process_one_work+0x92e/0x1b50
[ 300.980372] ? lock_acquire.part.0+0x152/0x390
[ 300.980644] ? __pfx_process_one_work+0x10/0x10
[ 300.980946] ? move_linked_works+0x1bf/0x2c0
[ 300.981213] ? __this_cpu_preempt_check+0x21/0x30
[ 300.981514] ? assign_work+0x19f/0x250
[ 300.981751] ? lock_is_held_type+0xef/0x150
[ 300.982023] worker_thread+0x68d/0xe90
[ 300.982260] ? lockdep_hardirqs_on+0x89/0x110
[ 300.982553] kthread+0x35a/0x470
[ 300.982760] ? __pfx_worker_thread+0x10/0x10
[ 300.983031] ? __pfx_kthread+0x10/0x10
[ 300.983276] ret_from_fork+0x56/0x90
[ 300.983505] ? __pfx_kthread+0x10/0x10
[ 300.983742] ret_from_fork_asm+0x1a/0x30
[ 300.984010] </TASK>
[ 300.984175] INFO: task jbd2/sda-8:104 blocked for more than 147 seconds.
[ 300.984563] Tainted: G W 6.12.0-rc2-8cf0b93919e1 #1
[ 300.984994] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 300.985440] task:jbd2/sda-8 state:D stack:0 pid:104 tgid:104 ppid:2 flags:0x00004000
[ 300.985989] Call Trace:
[ 300.986150] <TASK>
[ 300.986291] __schedule+0xe13/0x33a0
[ 300.986531] ? __pfx___schedule+0x10/0x10
[ 300.986780] ? lock_release+0x441/0x870
[ 300.987033] ? __pfx_lock_release+0x10/0x10
[ 300.987291] ? trace_lock_acquire+0x139/0x1b0
[ 300.987580] ? lock_acquire+0x80/0xb0
[ 300.987816] ? schedule+0x216/0x3f0
[ 300.988048] schedule+0xf6/0x3f0
[ 300.988256] io_schedule+0xce/0x150
[ 300.988478] blk_mq_get_tag+0x5e7/0xce0
[ 300.988755] ? __pfx_blk_mq_get_tag+0x10/0x10
[ 300.989031] ? lock_release+0x441/0x870
[ 300.989263] ? __sanitizer_cov_trace_switch+0x58/0xa0
[ 300.989567] ? __pfx_autoremove_wake_function+0x10/0x10
[ 300.989886] ? blk_mq_sched_try_merge+0xce/0x650
[ 300.990170] ? __sanitizer_cov_trace_const_cmp1+0x1e/0x30
[ 300.990495] ? dd_limit_depth+0x21e/0x2a0
[ 300.990750] ? __pfx_dd_limit_depth+0x10/0x10
[ 300.991026] __blk_mq_alloc_requests+0x6f6/0x1720
[ 300.991331] ? __sanitizer_cov_trace_const_cmp4+0x1a/0x20
[ 300.991663] ? __pfx___blk_mq_alloc_requests+0x10/0x10
[ 300.991987] ? __pfx_wbt_wait+0x10/0x10
[ 300.992238] blk_mq_submit_bio+0x93c/0x2a20
[ 300.992487] ? __pfx___lock_acquire+0x10/0x10
[ 300.992789] ? __pfx_blk_mq_submit_bio+0x10/0x10
[ 300.993055] ? __this_cpu_preempt_check+0x21/0x30
[ 300.993352] ? __this_cpu_preempt_check+0x21/0x30
[ 300.993642] ? lock_release+0x441/0x870
[ 300.993895] __submit_bio+0x18d/0x500
[ 300.994131] ? __pfx___submit_bio+0x10/0x10
[ 300.994392] ? __this_cpu_preempt_check+0x21/0x30
[ 300.994668] ? seqcount_lockdep_reader_access.constprop.0+0xb4/0xd0
[ 300.995045] ? __sanitizer_cov_trace_const_cmp1+0x1e/0x30
[ 300.995360] ? kvm_clock_get_cycles+0x43/0x70
[ 300.995634] submit_bio_noacct_nocheck+0x6a0/0xcc0
[ 300.995946] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10
[ 300.996271] ? __sanitizer_cov_trace_switch+0x58/0xa0
[ 300.996584] submit_bio_noacct+0x61d/0x1dc0
[ 300.996886] submit_bio+0xce/0x480
[ 300.997108] submit_bh_wbc+0x58a/0x740
[ 300.997353] submit_bh+0x2b/0x40
[ 300.997567] jbd2_journal_commit_transaction+0x2a09/0x65e0
[ 300.997950] ? __pfx_jbd2_journal_commit_transaction+0x10/0x10
[ 300.998314] ? __this_cpu_preempt_check+0x21/0x30
[ 300.998612] ? lock_release+0x441/0x870
[ 300.998857] ? __this_cpu_preempt_check+0x21/0x30
[ 300.999148] ? _raw_spin_unlock_irqrestore+0x45/0x70
[ 300.999451] ? __sanitizer_cov_trace_const_cmp4+0x1a/0x20
[ 300.999797] kjournald2+0x204/0x790
[ 301.000031] ? __pfx_kjournald2+0x10/0x10
[ 301.000274] ? lockdep_hardirqs_on+0x89/0x110
[ 301.000536] ? __pfx_autoremove_wake_function+0x10/0x10
[ 301.000888] ? __sanitizer_cov_trace_const_cmp1+0x1e/0x30
[ 301.001216] ? __kthread_parkme+0x15d/0x230
[ 301.001480] kthread+0x35a/0x470
[ 301.001695] ? __pfx_kjournald2+0x10/0x10
[ 301.001954] ? __pfx_kthread+0x10/0x10
[ 301.002198] ret_from_fork+0x56/0x90
[ 301.002429] ? __pfx_kthread+0x10/0x10
[ 301.002672] ret_from_fork_asm+0x1a/0x30
[ 301.002946] </TASK>
[ 301.003116] INFO: task kworker/1:3:159 blocked for more than 147 seconds.
[ 301.003510] Tainted: G W 6.12.0-rc2-8cf0b93919e1 #1
[ 301.003905] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 301.004334] task:kworker/1:3 state:D stack:0 pid:159 tgid:159 ppid:2 flags:0x00004000
[ 301.004908] Workqueue: events ata_scsi_dev_rescan
[ 301.005222] Call Trace:
[ 301.005382] <TASK>
[ 301.005531] __schedule+0xe13/0x33a0
[ 301.005780] ? __pfx___schedule+0x10/0x10
[ 301.006034] ? lock_release+0x441/0x870
[ 301.006285] ? __pfx_lock_release+0x10/0x10
[ 301.006557] ? _raw_spin_unlock_irq+0x3c/0x60
[ 301.006844] schedule+0xf6/0x3f0
[ 301.007064] io_schedule+0xce/0x150
[ 301.007295] blk_mq_get_tag+0x5e7/0xce0
[ 301.007552] ? __pfx_blk_mq_get_tag+0x10/0x10
[ 301.007838] ? __pfx_autoremove_wake_function+0x10/0x10
[ 301.008168] __blk_mq_alloc_requests+0x6f6/0x1720
[ 301.008461] ? __sanitizer_cov_trace_const_cmp1+0x1e/0x30
[ 301.008822] ? __pfx___blk_mq_alloc_requests+0x10/0x10
[ 301.009146] blk_mq_alloc_request+0x655/0x930
[ 301.009417] ? __pfx_blk_mq_alloc_request+0x10/0x10
[ 301.009718] ? __lock_acquire+0xd87/0x5c90
[ 301.009995] scsi_execute_cmd+0x223/0x1040
[ 301.010280] ? __this_cpu_preempt_check+0x21/0x30
[ 301.010576] ? __pfx_scsi_execute_cmd+0x10/0x10
[ 301.010859] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 301.011158] scsi_vpd_inquiry+0xdf/0x220
[ 301.011408] ? __pfx_scsi_vpd_inquiry+0x10/0x10
[ 301.011680] ? debug_smp_processor_id+0x20/0x30
[ 301.011963] ? rcu_is_watching+0x19/0xc0
[ 301.012202] scsi_get_vpd_size+0x11e/0x310
[ 301.012449] ? __mutex_lock+0x230/0x1490
[ 301.012723] ? __pfx_scsi_get_vpd_size+0x10/0x10
[ 301.013010] ? scsi_rescan_device+0x33/0x360
[ 301.013282] ? __pfx_mark_lock.part.0+0x10/0x10
[ 301.013562] ? __this_cpu_preempt_check+0x21/0x30
[ 301.013864] ? lock_acquire.part.0+0x152/0x390
[ 301.014143] ? __pfx___mutex_lock+0x10/0x10
[ 301.014410] scsi_get_vpd_buf+0x30/0x180
[ 301.014662] scsi_attach_vpd+0xf8/0x5b0
[ 301.014923] scsi_rescan_device+0x106/0x360
[ 301.015191] ata_scsi_dev_rescan+0x1d2/0x470
[ 301.015465] process_one_work+0x92e/0x1b50
[ 301.015720] ? lock_acquire.part.0+0x152/0x390
[ 301.016012] ? __pfx_process_one_work+0x10/0x10
[ 301.016289] ? move_linked_works+0x1bf/0x2c0
[ 301.016554] ? __this_cpu_preempt_check+0x21/0x30
[ 301.016883] ? assign_work+0x19f/0x250
[ 301.017122] ? lock_is_held_type+0xef/0x150
[ 301.017378] worker_thread+0x68d/0xe90
[ 301.017632] kthread+0x35a/0x470
[ 301.017839] ? __pfx_worker_thread+0x10/0x10
[ 301.018096] ? __pfx_kthread+0x10/0x10
[ 301.018329] ret_from_fork+0x56/0x90
[ 301.018557] ? __pfx_kthread+0x10/0x10
[ 301.018796] ret_from_fork_asm+0x1a/0x30
[ 301.019060] </TASK>
[ 301.019215] INFO: task auditd:239 blocked for more than 147 seconds.
[ 301.019613] Tainted: G W 6.12.0-rc2-8cf0b93919e1 #1
[ 301.020441] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 301.021474] task:auditd state:D stack:0 pid:239 tgid:239 ppid:1 flags:0x00000002
[ 301.022670] Call Trace:
[ 301.023030] <TASK>
[ 301.023349] __schedule+0xe13/0x33a0
[ 301.023877] ? __pfx___schedule+0x10/0x10
[ 301.024418] ? lock_release+0x441/0x870
[ 301.025023] ? __pfx_lock_release+0x10/0x10
[ 301.025396] ? trace_lock_acquire+0x139/0x1b0
[ 301.025730] ? lock_acquire+0x80/0xb0
[ 301.026009] ? schedule+0x216/0x3f0
[ 301.026283] schedule+0xf6/0x3f0
[ 301.026536] io_schedule+0xce/0x150
[ 301.026810] bit_wait_io+0x1f/0x100
[ 301.027083] __wait_on_bit+0x68/0x1b0
[ 301.027367] ? __pfx_bit_wait_io+0x10/0x10
[ 301.027698] out_of_line_wait_on_bit+0xe6/0x120
[ 301.028042] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 301.028353] ? __pfx_wake_bit_function+0x10/0x10
[ 301.028628] ? __might_sleep+0xa3/0x170
[ 301.028917] do_get_write_access+0x83b/0x1010
[ 301.029206] jbd2_journal_get_write_access+0x1e4/0x270
[ 301.029515] __ext4_journal_get_write_access+0x72/0x3b0
[ 301.029840] ext4_reserve_inode_write+0x199/0x280
[ 301.030130] ? ext4_dirty_inode+0xeb/0x140
[ 301.030386] __ext4_mark_inode_dirty+0x18b/0x8c0
[ 301.030672] ? debug_smp_processor_id+0x20/0x30
[ 301.030965] ? __pfx___ext4_mark_inode_dirty+0x10/0x10
[ 301.031270] ? trace_jbd2_handle_start+0x77/0x210
[ 301.031632] ? jbd2__journal_start+0xff/0x6b0
[ 301.032135] ? __ext4_journal_start_sb+0x1f8/0x600
[ 301.032641] ? ext4_dirty_inode+0xb3/0x140
[ 301.033200] ? __pfx_ext4_dirty_inode+0x10/0x10
[ 301.033704] ext4_dirty_inode+0xeb/0x140
[ 301.034227] ? rcu_is_watching+0x19/0xc0
[ 301.034752] __mark_inode_dirty+0x1d0/0xd50
[ 301.035318] ? __pfx_generic_write_checks+0x10/0x10
[ 301.036012] generic_update_time+0xe0/0x110
[ 301.036598] file_modified+0x1af/0x1e0
[ 301.037198] ext4_buffered_write_iter+0x101/0x3e0
[ 301.037855] ext4_file_write_iter+0x8b8/0x1ab0
[ 301.038476] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 301.039152] ? debug_smp_processor_id+0x20/0x30
[ 301.039788] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 301.040431] ? __this_cpu_preempt_check+0x21/0x30
[ 301.041109] ? lock_is_held_type+0xef/0x150
[ 301.041684] vfs_write+0xc46/0x1120
[ 301.042191] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 301.042806] ? __pfx_vfs_write+0x10/0x10
[ 301.043377] ? mutex_lock_nested+0x1f/0x30
[ 301.043934] ksys_write+0x14f/0x290
[ 301.044421] ? __pfx_ksys_write+0x10/0x10
[ 301.044968] __x64_sys_write+0x7b/0xc0
[ 301.045200] ? syscall_trace_enter+0x9b/0x230
[ 301.045475] x64_sys_call+0x1685/0x20d0
[ 301.045720] do_syscall_64+0x6d/0x140
[ 301.045967] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 301.046291] RIP: 0033:0x7fce6133ebcf
[ 301.046520] RSP: 002b:00007ffc75dfc160 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 301.046927] RAX: ffffffffffffffda RBX: 00000000000000e0 RCX: 00007fce6133ebcf
[ 301.047334] RDX: 00000000000000e0 RSI: 000055d58ad570a0 RDI: 0000000000000005
[ 301.047749] RBP: 000055d58ad570a0 R08: 0000000000000000 R09: 00007fce613b14e0
[ 301.048166] R10: 00007fce613b13e0 R11: 0000000000000293 R12: 00000000000000e0
[ 301.048575] R13: 000055d58ad4d2a0 R14: 00000000000000e0 R15: 00007fce613f69e0
[ 301.049042] </TASK>
[ 301.049214] INFO: task in:imjournal:334 blocked for more than 147 seconds.
[ 301.049612] Tainted: G W 6.12.0-rc2-8cf0b93919e1 #1
[ 301.050007] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 301.050439] task:in:imjournal state:D stack:0 pid:334 tgid:306 ppid:1 flags:0x00000002
[ 301.050977] Call Trace:
[ 301.051131] <TASK>
[ 301.051273] __schedule+0xe13/0x33a0
[ 301.051517] ? __pfx___schedule+0x10/0x10
[ 301.051759] ? lock_release+0x441/0x870
[ 301.052009] ? __pfx_lock_release+0x10/0x10
[ 301.052252] ? trace_lock_acquire+0x139/0x1b0
[ 301.052517] ? lock_acquire+0x80/0xb0
[ 301.052769] ? schedule+0x216/0x3f0
[ 301.052989] schedule+0xf6/0x3f0
[ 301.053194] io_schedule+0xce/0x150
[ 301.053423] bit_wait_io+0x1f/0x100
[ 301.053642] __wait_on_bit+0x68/0x1b0
[ 301.053876] ? __pfx_bit_wait_io+0x10/0x10
[ 301.054124] out_of_line_wait_on_bit+0xe6/0x120
[ 301.054690] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 301.055405] ? __pfx_wake_bit_function+0x10/0x10
[ 301.056042] ? __might_sleep+0xa3/0x170
[ 301.056568] do_get_write_access+0x83b/0x1010
[ 301.057268] jbd2_journal_get_write_access+0x1e4/0x270
[ 301.057984] __ext4_journal_get_write_access+0x72/0x3b0
[ 301.058635] __ext4_new_inode+0xfef/0x5320
[ 301.059016] ? __pfx___ext4_new_inode+0x10/0x10
[ 301.059410] ? __pfx___dquot_initialize+0x10/0x10
[ 301.059840] ? _raw_spin_unlock+0x31/0x60
[ 301.060186] ? d_splice_alias+0x4e8/0xe30
[ 301.060541] ext4_create+0x32e/0x550
[ 301.060926] ? __pfx_ext4_create+0x10/0x10
[ 301.061302] ? inode_permission+0xf4/0x650
[ 301.061656] ? __sanitizer_cov_trace_const_cmp4+0x1a/0x20
[ 301.062115] ? __pfx_ext4_create+0x10/0x10
[ 301.062477] lookup_open.isra.0+0x117c/0x1580
[ 301.062761] ? __pfx_lookup_open.isra.0+0x10/0x10
[ 301.063072] ? lock_acquire+0x80/0xb0
[ 301.063302] ? path_openat+0xd40/0x2bf0
[ 301.063555] ? __sanitizer_cov_trace_const_cmp4+0x1a/0x20
[ 301.063888] path_openat+0xdbf/0x2bf0
[ 301.064138] ? __pfx_path_openat+0x10/0x10
[ 301.064396] ? __this_cpu_preempt_check+0x21/0x30
[ 301.064719] ? lock_is_held_type+0xef/0x150
[ 301.064986] ? __this_cpu_preempt_check+0x21/0x30
[ 301.065281] do_filp_open+0x1cc/0x420
[ 301.065520] ? __pfx_do_filp_open+0x10/0x10
[ 301.065783] ? lock_release+0x441/0x870
[ 301.066045] ? do_raw_spin_unlock+0x15c/0x210
[ 301.066339] do_sys_openat2+0x185/0x1f0
[ 301.066574] ? __pfx_do_sys_openat2+0x10/0x10
[ 301.066835] ? __this_cpu_preempt_check+0x21/0x30
[ 301.067117] ? seqcount_lockdep_reader_access.constprop.0+0xb4/0xd0
[ 301.067501] ? lockdep_hardirqs_on+0x89/0x110
[ 301.067770] __x64_sys_openat+0x17a/0x240
[ 301.068018] ? __pfx___x64_sys_openat+0x10/0x10
[ 301.068287] ? __audit_syscall_entry+0x39c/0x500
[ 301.068569] x64_sys_call+0x1a52/0x20d0
[ 301.068835] do_syscall_64+0x6d/0x140
[ 301.069041] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 301.069312] RIP: 0033:0x7facd0d3e8c4
[ 301.069536] RSP: 002b:00007faccfdfea40 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
[ 301.069982] RAX: ffffffffffffffda RBX: 00007facc8000c10 RCX: 00007facd0d3e8c4
[ 301.070401] RDX: 0000000000000241 RSI: 00007faccfdfeb80 RDI: 00000000ffffff9c
[ 301.070826] RBP: 00007faccfdfeb80 R08: 0000000000000000 R09: 0000000000000001
[ 301.071247] R10: 00000000000001b6 R11: 0000000000000293 R12: 0000000000000241
[ 301.071660] R13: 00007facc8000c10 R14: 0000000000000001 R15: 00007facc800c6d0
[ 301.072098] </TASK>
[ 301.072245] INFO: task rs:main Q:Reg:336 blocked for more than 147 seconds.
[ 301.072644] Tainted: G W 6.12.0-rc2-8cf0b93919e1 #1
[ 301.073072] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 301.073518] task:rs:main Q:Reg state:D stack:0 pid:336 tgid:306 ppid:1 flags:0x00000002
[ 301.074768] Call Trace:
[ 301.075140] <TASK>
[ 301.075469] __schedule+0xe13/0x33a0
[ 301.076024] ? __pfx___schedule+0x10/0x10
[ 301.076587] ? lock_release+0x441/0x870
[ 301.077203] ? __pfx_lock_release+0x10/0x10
[ 301.077781] ? trace_lock_acquire+0x139/0x1b0
[ 301.078405] ? lock_acquire+0x80/0xb0
[ 301.078864] ? schedule+0x216/0x3f0
[ 301.079095] schedule+0xf6/0x3f0
[ 301.079307] io_schedule+0xce/0x150
[ 301.079520] bit_wait_io+0x1f/0x100
[ 301.079745] __wait_on_bit+0x68/0x1b0
[ 301.079978] ? __pfx_bit_wait_io+0x10/0x10
[ 301.080244] out_of_line_wait_on_bit+0xe6/0x120
[ 301.080531] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 301.080883] ? __pfx_wake_bit_function+0x10/0x10
[ 301.081175] ? __might_sleep+0xa3/0x170
[ 301.081417] do_get_write_access+0x83b/0x1010
[ 301.081712] jbd2_journal_get_write_access+0x1e4/0x270
[ 301.082029] __ext4_journal_get_write_access+0x72/0x3b0
[ 301.082354] ext4_reserve_inode_write+0x199/0x280
[ 301.082655] ? ext4_dirty_inode+0xeb/0x140
[ 301.082926] __ext4_mark_inode_dirty+0x18b/0x8c0
[ 301.083221] ? debug_smp_processor_id+0x20/0x30
[ 301.083498] ? __pfx___ext4_mark_inode_dirty+0x10/0x10
[ 301.083803] ? trace_jbd2_handle_start+0x77/0x210
[ 301.084097] ? jbd2__journal_start+0xff/0x6b0
[ 301.084378] ? __ext4_journal_start_sb+0x1f8/0x600
[ 301.084712] ? ext4_dirty_inode+0xb3/0x140
[ 301.084987] ? __pfx_ext4_dirty_inode+0x10/0x10
[ 301.085273] ext4_dirty_inode+0xeb/0x140
[ 301.085509] ? rcu_is_watching+0x19/0xc0
[ 301.085746] __mark_inode_dirty+0x1d0/0xd50
[ 301.086002] ? __pfx_generic_write_checks+0x10/0x10
[ 301.086292] generic_update_time+0xe0/0x110
[ 301.086549] file_modified+0x1af/0x1e0
[ 301.086795] ext4_buffered_write_iter+0x101/0x3e0
[ 301.087087] ext4_file_write_iter+0x8b8/0x1ab0
[ 301.087364] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 301.087665] ? debug_smp_processor_id+0x20/0x30
[ 301.087958] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 301.088238] ? __this_cpu_preempt_check+0x21/0x30
[ 301.088513] ? lock_is_held_type+0xef/0x150
[ 301.088812] vfs_write+0xc46/0x1120
[ 301.089046] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 301.089348] ? __pfx_vfs_write+0x10/0x10
[ 301.089617] ? mutex_lock_nested+0x1f/0x30
[ 301.089890] ksys_write+0x14f/0x290
[ 301.090122] ? __pfx_ksys_write+0x10/0x10
[ 301.090386] ? __audit_syscall_entry+0x39c/0x500
[ 301.090681] __x64_sys_write+0x7b/0xc0
[ 301.090926] ? syscall_trace_enter+0x14a/0x230
[ 301.091216] x64_sys_call+0x1685/0x20d0
[ 301.091463] do_syscall_64+0x6d/0x140
[ 301.091701] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 301.092019] RIP: 0033:0x7facd0d3ebcf
[ 301.092239] RSP: 002b:00007faccf7ff890 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 301.092709] RAX: ffffffffffffffda RBX: 00007facc0001330 RCX: 00007facd0d3ebcf
[ 301.093117] RDX: 000000000000004e RSI: 00007facc0001610 RDI: 0000000000000007
[ 301.093533] RBP: 00007facc0001610 R08: 0000000000000000 R09: 0000000000000000
[ 301.093950] R10: 000000000000000b R11: 0000000000000293 R12: 0000000000000000
[ 301.094372] R13: 0000558c28823330 R14: 00007facc0001330 R15: 000000000000004e
[ 301.094812] </TASK>
[ 301.094999]
[ 301.094999] Showing all locks held in the system:
[ 301.095377] 4 locks held by kworker/u8:1/31:
[ 301.095644] #0: ffff88800e3fa948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11fc/0x1b50
[ 301.096211] #1: ffff88800df8fd78 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a0/0x1b0
[ 301.096880] #2: ffff8880120a80e0 (&type->s_umount_key#38){++++}-{3:3}, at: super_trylock_shared+0x2b/0x110
[ 301.097481] #3: ffff8880120c4b98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1c3/0x8a0
[ 301.098057] 1 lock held by khungtaskd/33:
[ 301.098308] #0: ffffffff8705c9c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x73/0x3c0
[ 301.098853] 4 locks held by kworker/u8:2/35:
[ 301.099115] #0: ffff88800e3fa948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11fc/0x1b50
[ 301.099689] #1: ffff88800e4bfd78 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a0/0x1b0
[ 301.100309] #2: ffff8880120a80e0 (&type->s_umount_key#38){++++}-{3:3}, at: super_trylock_shared+0x2b/0x110
[ 301.100913] #3: ffff8880120c4b98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1c3/0x8a0
[ 301.101483] 3 locks held by kworker/u8:3/52:
[ 301.101731] #0: ffff88800e3fa948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11fc/0x1b50
[ 301.102316] #1: ffff88800ed7fd78 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a0/0x1b0
[ 301.102968] #2: ffff88800d77e0e0 (&type->s_umount_key#52){.+.+}-{3:3}, at: super_trylock_shared+0x2b/0x110
[ 301.103573] 4 locks held by kworker/1:3/159:
[ 301.103836] #0: ffff88800d45ad48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x11fc/0x1b50
[ 301.104387] #1: ffff8880119a7d78 ((work_completion)(&(&ap->scsi_rescan_task)->work)){+.+.}-{0:0}, at: process_one_work0
[ 301.105271] #2: ffff88801008c430 (&ap->scsi_scan_mutex){+.+.}-{3:3}, at: ata_scsi_dev_rescan+0x42/0x470
[ 301.106491] #3: ffff888010882378 (&dev->mutex){....}-{3:3}, at: scsi_rescan_device+0x33/0x360
[ 301.107610] 4 locks held by auditd/239:
[ 301.108110] #0: ffff88801395ed38 (&f->f_pos_lock){+.+.}-{3:3}, at: fdget_pos+0x25e/0x380
[ 301.109316] #1: ffff8880120a8408 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x14f/0x290
[ 301.110411] #2: ffff888016365c90 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb8/0x3e0
[ 301.111040] #3: ffff8880120c6958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x107b/0x1590
[ 301.111570] 3 locks held by in:imjournal/334:
[ 301.111822] #0: ffff8880120a8408 (sb_writers#3){.+.+}-{0:0}, at: path_openat+0x1f7c/0x2bf0
[ 301.112326] #1: ffff88801c26fa18 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: path_openat+0xd40/0x2bf0
[ 301.112915] #2: ffff8880120c6958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x107b/0x1590
[ 301.113452] 4 locks held by rs:main Q:Reg/336:
[ 301.113721] #0: ffff888014ed50b8 (&f->f_pos_lock){+.+.}-{3:3}, at: fdget_pos+0x25e/0x380
[ 301.114200] #1: ffff8880120a8408 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x14f/0x290
[ 301.114680] #2: ffff888019730dd0 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb8/0x3e0
[ 301.115286] #3: ffff8880120c6958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x107b/0x1590
[ 301.115816]
[ 301.115926] =============================================
"
I hope you find it useful.
Regards,
Yi Lai
---
If you don't need the following environment to reproduce the problem or if you
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