INFO: task syz-executor:4296 blocked for more than 143 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:4296 ppid:1 flags:0x00000009
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6560
schedule+0xc4/0x170 kernel/sched/core.c:6636
wb_wait_for_completion+0x154/0x29c fs/fs-writeback.c:191
sync_inodes_sb+0x220/0x944 fs/fs-writeback.c:2739
sync_filesystem+0x160/0x218 fs/sync.c:64
generic_shutdown_super+0x70/0x328 fs/super.c:474
kill_block_super+0x70/0xdc fs/super.c:1470
deactivate_locked_super+0xac/0x124 fs/super.c:332
deactivate_super+0xf0/0x110 fs/super.c:363
cleanup_mnt+0x394/0x41c fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0x240/0x2f0 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:4299 blocked for more than 143 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:4299 ppid:1 flags:0x00000009
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6560
schedule+0xc4/0x170 kernel/sched/core.c:6636
wb_wait_for_completion+0x154/0x29c fs/fs-writeback.c:191
sync_inodes_sb+0x220/0x944 fs/fs-writeback.c:2739
sync_filesystem+0x160/0x218 fs/sync.c:64
generic_shutdown_super+0x70/0x328 fs/super.c:474
kill_block_super+0x70/0xdc fs/super.c:1470
deactivate_locked_super+0xac/0x124 fs/super.c:332
deactivate_super+0xf0/0x110 fs/super.c:363
cleanup_mnt+0x394/0x41c fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0x240/0x2f0 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:4308 blocked for more than 143 seconds.
Not tainted 6.1.131-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:0 pid:4308 ppid:1 flags:0x00000009
Call trace:
__switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0xef4/0x1d44 kernel/sched/core.c:6560
schedule+0xc4/0x170 kernel/sched/core.c:6636
wb_wait_for_completion+0x154/0x29c fs/fs-writeback.c:191
sync_inodes_sb+0x220/0x944 fs/fs-writeback.c:2739
sync_filesystem+0x160/0x218 fs/sync.c:64
generic_shutdown_super+0x70/0x328 fs/super.c:474
kill_block_super+0x70/0xdc fs/super.c:1470
deactivate_locked_super+0xac/0x124 fs/super.c:332
deactivate_super+0xf0/0x110 fs/super.c:363
cleanup_mnt+0x394/0x41c fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0x240/0x2f0 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Showing all locks held in the system:
4 locks held by kworker/u4:1/11:
#0: ffff0000c2e4d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265
#1: ffff80001d2e7c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267
#2: ffff0000d96c6650 (sb_internal#4){.+.+}-{0:0}, at: xfs_bmapi_convert_delalloc+0x21c/0x10d4 fs/xfs/libxfs/xfs_bmap.c:4507
#3: ffff0000f5f56d98 (&xfs_nondir_ilock_class){++++}-{3:3}, at: mrupdate_nested fs/xfs/mrlock.h:36 [inline]
#3: ffff0000f5f56d98 (&xfs_nondir_ilock_class){++++}-{3:3}, at: xfs_ilock+0x218/0x4e4 fs/xfs/xfs_inode.c:211
1 lock held by rcu_tasks_kthre/12:
#0: ffff800015cd79b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffff800015cd81b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
#0: ffff800015cd77e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
4 locks held by kworker/u4:5/474:
#0: ffff0000c2e4d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265
#1: ffff800021b27c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267
#2: ffff0000c3d7e650 (sb_internal#4){.+.+}-{0:0}, at: xfs_bmapi_convert_delalloc+0x21c/0x10d4 fs/xfs/libxfs/xfs_bmap.c:4507
#3: ffff0000f5f51858 (&xfs_nondir_ilock_class){++++}-{3:3}, at: mrupdate_nested fs/xfs/mrlock.h:36 [inline]
#3: ffff0000f5f51858 (&xfs_nondir_ilock_class){++++}-{3:3}, at: xfs_ilock+0x218/0x4e4 fs/xfs/xfs_inode.c:211
4 locks held by kworker/u4:6/1700:
#0: ffff0000c2e4d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265
#1: ffff800026097c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267
#2: ffff0000d0f10650 (sb_internal#4){.+.+}-{0:0}, at: xfs_bmapi_convert_delalloc+0x21c/0x10d4 fs/xfs/libxfs/xfs_bmap.c:4507
#3:
ffff0000f5f53758 (&xfs_nondir_ilock_class){++++}-{3:3}, at: mrupdate_nested fs/xfs/mrlock.h:36 [inline]
ffff0000f5f53758 (&xfs_nondir_ilock_class){++++}-{3:3}, at: xfs_ilock+0x218/0x4e4 fs/xfs/xfs_inode.c:211
2 locks held by getty/4052:
#0: ffff0000d60a2098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80001d9002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198
2 locks held by syz-executor/4296:
#0: ffff0000d0f100e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: deactivate_super+0xe8/0x110 fs/super.c:362
#1: ffff0000ce4367d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff0000ce4367d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x208/0x944 fs/fs-writeback.c:2737
2 locks held by syz-executor/4297:
#0: ffff0000d708a0e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: deactivate_super+0xe8/0x110 fs/super.c:362
#1: ffff0000ce4447d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff0000ce4447d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x208/0x944 fs/fs-writeback.c:2737
2 locks held by syz-executor/4299:
#0: ffff0000c3d7e0e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: deactivate_super+0xe8/0x110 fs/super.c:362
#1: ffff0000ce4b27d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff0000ce4b27d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x208/0x944 fs/fs-writeback.c:2737
2 locks held by syz-executor/4308:
#0: ffff0000d96c60e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: deactivate_super+0xe8/0x110 fs/super.c:362
#1: ffff0000ce4c87d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:362 [inline]
#1: ffff0000ce4c87d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x208/0x944 fs/fs-writeback.c:2737
2 locks held by kworker/u4:9/4395:
#0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265
#1: ffff8000217d7c20 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267
4 locks held by kworker/u4:14/4703:
#0: ffff0000c2e4d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265
#1: ffff800021e27c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267
#2: ffff0000d708a650 (sb_internal#4){.+.+}-{0:0}, at: xfs_bmapi_convert_delalloc+0x21c/0x10d4 fs/xfs/libxfs/xfs_bmap.c:4507
#3: ffff0000e2aea018 (&xfs_nondir_ilock_class){++++}-{3:3}, at: mrupdate_nested fs/xfs/mrlock.h:36 [inline]
#3: ffff0000e2aea018 (&xfs_nondir_ilock_class){++++}-{3:3}, at: xfs_ilock+0x218/0x4e4 fs/xfs/xfs_inode.c:211
2 locks held by kworker/u4:25/5034:
#0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265
#1: ffff800022fe7c20 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267
5 locks held by kworker/0:15/5917:
1 lock held by syz.7.616/6883:
=============================================