syzbot


INFO: task hung in __f2fs_write_data_pages

Status: auto-obsoleted due to no activity on 2023/02/10 19:26
Subsystems: f2fs
[Documentation on labels]
First crash: 1027d, last: 1027d

Sample crash report:
INFO: task kworker/u4:24:7105 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:24   state:D stack:    0 pid: 7105 ppid:     2 flags:0x00000008
Workqueue: writeback wb_workfn (flush-7:4)
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6629
 __mutex_lock_common+0x788/0xca8 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
 __f2fs_write_data_pages+0x3d4/0x47c fs/f2fs/data.c:3221
 f2fs_write_data_pages+0x44/0x54 fs/f2fs/data.c:3253
 do_writepages+0x144/0x27c mm/page-writeback.c:2468
 __writeback_single_inode+0x64/0x2e4 fs/fs-writeback.c:1587
 writeback_sb_inodes+0x3e4/0x85c fs/fs-writeback.c:1865
 wb_writeback+0x198/0x328 fs/fs-writeback.c:2039
 wb_do_writeback+0xc8/0x384 fs/fs-writeback.c:2182
 wb_workfn+0x70/0x15c fs/fs-writeback.c:2222
 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289
 worker_thread+0x340/0x610 kernel/workqueue.c:2436
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
INFO: task syz-executor.4:31679 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:    0 pid:31679 ppid:  3073 flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 schedule_timeout+0x64/0x1b4 kernel/time/timer.c:1911
 do_wait_for_common+0xf4/0x184 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x48/0x60 kernel/sched/completion.c:138
 f2fs_issue_checkpoint+0x158/0x244
 f2fs_sync_fs+0x8c/0xc8 fs/f2fs/super.c:1651
 sync_fs_one_sb+0x64/0x90 fs/sync.c:84
 iterate_supers+0xc0/0x150 fs/super.c:723
 ksys_sync+0x64/0xc8 fs/sync.c:104
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
INFO: task syz-executor.4:31689 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:    0 pid:31689 ppid:  3073 flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1182
 __down_write_common kernel/locking/rwsem.c:1297 [inline]
 __down_write kernel/locking/rwsem.c:1306 [inline]
 down_write+0x88/0xcc kernel/locking/rwsem.c:1553
 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
 sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
 sync_inodes_one_sb+0x38/0x50 fs/sync.c:77
 iterate_supers+0xc0/0x150 fs/super.c:723
 ksys_sync+0x44/0xc8 fs/sync.c:102
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
INFO: task syz-executor.4:31706 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:    0 pid:31706 ppid:  3073 flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 wb_wait_for_completion+0x9c/0x12c fs/fs-writeback.c:191
 sync_inodes_sb+0xc4/0x4d4 fs/fs-writeback.c:2693
 sync_inodes_one_sb+0x38/0x50 fs/sync.c:77
 iterate_supers+0xc0/0x150 fs/super.c:723
 ksys_sync+0x44/0xc8 fs/sync.c:102
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
INFO: task syz-executor.4:31710 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:    0 pid:31710 ppid:  3073 flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1182
 __down_write_common kernel/locking/rwsem.c:1297 [inline]
 __down_write kernel/locking/rwsem.c:1306 [inline]
 down_write+0x88/0xcc kernel/locking/rwsem.c:1553
 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
 sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
 sync_inodes_one_sb+0x38/0x50 fs/sync.c:77
 iterate_supers+0xc0/0x150 fs/super.c:723
 ksys_sync+0x44/0xc8 fs/sync.c:102
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
INFO: task syz-executor.4:31717 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:    0 pid:31717 ppid:  3073 flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1182
 __down_write_common kernel/locking/rwsem.c:1297 [inline]
 __down_write kernel/locking/rwsem.c:1306 [inline]
 down_write+0x88/0xcc kernel/locking/rwsem.c:1553
 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
 sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
 sync_inodes_one_sb+0x38/0x50 fs/sync.c:77
 iterate_supers+0xc0/0x150 fs/super.c:723
 ksys_sync+0x44/0xc8 fs/sync.c:102
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
INFO: task syz-executor.4:31721 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:    0 pid:31721 ppid:  3073 flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1182
 __down_write_common kernel/locking/rwsem.c:1297 [inline]
 __down_write kernel/locking/rwsem.c:1306 [inline]
 down_write+0x88/0xcc kernel/locking/rwsem.c:1553
 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
 sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
 sync_inodes_one_sb+0x38/0x50 fs/sync.c:77
 iterate_supers+0xc0/0x150 fs/super.c:723
 ksys_sync+0x44/0xc8 fs/sync.c:102
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
INFO: task syz-executor.4:31726 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:    0 pid:31726 ppid:  3073 flags:0x00000009
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1182
 __down_write_common kernel/locking/rwsem.c:1297 [inline]
 __down_write kernel/locking/rwsem.c:1306 [inline]
 down_write+0x88/0xcc kernel/locking/rwsem.c:1553
 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
 sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
 sync_inodes_one_sb+0x38/0x50 fs/sync.c:77
 iterate_supers+0xc0/0x150 fs/super.c:723
 ksys_sync+0x44/0xc8 fs/sync.c:102
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
INFO: task syz-executor.4:31733 blocked for more than 144 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:    0 pid:31733 ppid:  3073 flags:0x00000001
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1182
 __down_write_common kernel/locking/rwsem.c:1297 [inline]
 __down_write kernel/locking/rwsem.c:1306 [inline]
 down_write+0x88/0xcc kernel/locking/rwsem.c:1553
 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
 sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
 sync_inodes_one_sb+0x38/0x50 fs/sync.c:77
 iterate_supers+0xc0/0x150 fs/super.c:723
 ksys_sync+0x44/0xc8 fs/sync.c:102
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
INFO: task syz-executor.4:31735 blocked for more than 144 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:    0 pid:31735 ppid:  3073 flags:0x00000001
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1182
 __down_write_common kernel/locking/rwsem.c:1297 [inline]
 __down_write kernel/locking/rwsem.c:1306 [inline]
 down_write+0x88/0xcc kernel/locking/rwsem.c:1553
 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
 sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
 sync_inodes_one_sb+0x38/0x50 fs/sync.c:77
 iterate_supers+0xc0/0x150 fs/super.c:723
 ksys_sync+0x44/0xc8 fs/sync.c:102
 __arm64_sys_sync+0x14/0x24 fs/sync.c:113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: 
ffff80000d433568
 (
rcu_tasks.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
 #0: 
ffff80000d433bb8
 (
rcu_tasks_trace.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
 #0: 
ffff80000d433440
 (
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:279
2 locks held by getty/2725:
 #0: 
ffff0000c8b70098
 (
&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: 
ffff80000f6162f0
 (
&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177
3 locks held by kworker/1:3/3136:
 #0: 
ffff0000c0010738 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262
 #1: 
ffff800012a23d80
 (
(work_completion)(&data->fib_event_work)
){+.+.}-{0:0}
, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264
 #2: 
ffff00013c1dd240
 (
&data->fib_lock
){+.+.}-{3:3}
, at: nsim_fib_event_work+0x98/0x164 drivers/net/netdevsim/fib.c:1489
2 locks held by kworker/u4:6/3340:
3 locks held by kworker/u4:24/7105:
 #0: 
ffff0000c0dbc538
 (
(wq_completion)writeback
){+.+.}-{0:0}
, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262
 #1: 
ffff800015ad3d80
 (
(work_completion)(&(&wb->dwork)->work)
){+.+.}-{0:0}
, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264
 #2: 
ffff000115830128
 (
&sbi->writepages
){+.+.}-{3:3}
, at: __f2fs_write_data_pages+0x3d4/0x47c fs/f2fs/data.c:3221
1 lock held by syz-executor.4/31679:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
2 locks held by syz-executor.4/31689:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/31706:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/31710:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/31717:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/31721:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/31726:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/31733:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
ffff0000c293f7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/31735:
 #0: 
ffff0001192750e0 (
&type->s_umount_key
#72){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/31738:
 #0: 
ffff000115830128
 (
&sbi->writepages
){+.+.}-{3:3}
, at: __f2fs_write_data_pages+0x3d4/0x47c fs/f2fs/data.c:3221
 #1: 
ffff000115831190
 (
&sbi->gc_lock
){+.+.}-{3:3}
, at: f2fs_down_write fs/f2fs/f2fs.h:2192 [inline]
, at: f2fs_balance_fs+0x218/0x2f4 fs/f2fs/segment.c:411
3 locks held by f2fs_ckpt-7:4/31680:
1 lock held by syz-executor.5/31700:
 #0: 
ffff0001192750e0
 (&type->s_umount_key#72){++++}-{3:3}, at: iterate_supers+0x7c/0x150 fs/super.c:721
2 locks held by syz-executor.1/31708:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
ffff0000c293f7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/31719:
 #0: 
ffff0001192750e0
 (&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/31734:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/31736:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/31737:
 #0: 
ffff0001192750e0
 (&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.2/31723:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
ffff0000c293f7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.3/31730:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
){+.+.}-{3:3}, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/31949:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.3/31960:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.3/31961:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.2/31973:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.2/31979:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/31994:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/31995:
 #0: 
ffff0001192750e0
 (&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/31997:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: ffff0000c293f7d0 (&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/31998:
 #0: 
ffff0001192750e0
 (&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/31999:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32000:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32001:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
){+.+.}-{3:3}, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32002:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32003:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.5/32006:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.5/32007:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.5/32008:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/32047:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.4/32048:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.5/32150:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.5/32151:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32175:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32176:
 #0: 
ffff0001192750e0
 (&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
){+.+.}-{3:3}, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32178:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32179:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32180:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32181:
 #0: 
ffff0001192750e0
 (&type->s_umount_key#72){++++}-{3:3}, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32182:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32183:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.1/32184:
 #0: ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
ffff0000c293f7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.2/32193:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.2/32194:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.2/32196:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.2/32197:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.2/32198:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.3/32214:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.3/32215:
 #0: 
ffff0001192750e0
 (&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
2 locks held by syz-executor.3/32217:
 #0: 
ffff0001192750e0
 (
&type->s_umount_key
#72
){++++}-{3:3}
, at: iterate_supers+0x7c/0x150 fs/super.c:721
 #1: 
ffff0000c293f7d0
 (
&bdi->wb_switch_rwsem
){+.+.}-{3:3}
, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
, at: sync_inodes_sb+0xac/0x4d4 fs/fs-writeback.c:2691
1 lock held by dhcpcd/32219:
 #0: 
ffff00013c1cf130
 (
sk_lock-AF_PACKET
){+.+.}-{0:0}
, at: lock_sock include/net/sock.h:1712 [inline]
, at: packet_do_bind+0x3c/0x71c net/packet/af_packet.c:3194
1 lock held by dhcpcd/32220:
 #0: 
ffff00013b75a130
 (
sk_lock-AF_PACKET
){+.+.}-{0:0}
, at: lock_sock include/net/sock.h:1712 [inline]
, at: packet_do_bind+0x3c/0x71c net/packet/af_packet.c:3194
1 lock held by dhcpcd/32221:
 #0: 
ffff00013b75e130 (
sk_lock-AF_PACKET){+.+.}-{0:0}
, at: lock_sock include/net/sock.h:1712 [inline]
, at: packet_do_bind+0x3c/0x71c net/packet/af_packet.c:3194

=============================================


Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/10/30 15:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 2a71366b .config console log report info [disk image] [vmlinux] ci-upstream-gce-arm64 INFO: task hung in __f2fs_write_data_pages
* Struck through repros no longer work on HEAD.