INFO: task kworker/1:4:4344 blocked for more than 143 seconds.
Not tainted 6.1.137-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:0 pid:4344 ppid:2 flags:0x00000008
Workqueue: events_long flush_old_commits
Call trace:
__switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xdd4/0x1b2c kernel/sched/core.c:6561
schedule+0xc4/0x170 kernel/sched/core.c:6637
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696
__mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
reiserfs_sync_fs fs/reiserfs/super.c:76 [inline]
flush_old_commits+0x194/0x29c fs/reiserfs/super.c:111
process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
INFO: task syz.0.56:4821 blocked for more than 143 seconds.
Not tainted 6.1.137-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.56 state:D stack:0 pid:4821 ppid:4298 flags:0x0000000d
Call trace:
__switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xdd4/0x1b2c kernel/sched/core.c:6561
schedule+0xc4/0x170 kernel/sched/core.c:6637
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696
__mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
reiserfs_write_lock_nested+0x68/0xd8 fs/reiserfs/lock.c:78
reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:815 [inline]
lock_journal fs/reiserfs/journal.c:534 [inline]
do_journal_end+0x2fc/0x3bb0 fs/reiserfs/journal.c:4029
journal_end+0x1cc/0x270 fs/reiserfs/journal.c:3418
reiserfs_truncate_file+0x5cc/0xaf4 fs/reiserfs/inode.c:2311
reiserfs_file_release+0x710/0x894 fs/reiserfs/file.c:109
__fput+0x1bc/0x7c0 fs/file_table.c:320
____fput+0x20/0x30 fs/file_table.c:348
task_work_run+0x1ec/0x270 kernel/task_work.c:203
get_signal+0x1120/0x1310 kernel/signal.c:2648
do_signal arch/arm64/kernel/signal.c:1081 [inline]
do_notify_resume+0x340/0x2b0c arch/arm64/kernel/signal.c:1134
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+0x98/0x138 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.0.56:4822 blocked for more than 143 seconds.
Not tainted 6.1.137-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.56 state:D stack:0 pid:4822 ppid:4298 flags:0x00000009
Call trace:
__switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xdd4/0x1b2c kernel/sched/core.c:6561
schedule+0xc4/0x170 kernel/sched/core.c:6637
io_schedule+0x84/0x154 kernel/sched/core.c:8797
folio_wait_bit_common+0x56c/0x9c4 mm/filemap.c:1324
__folio_lock mm/filemap.c:1687 [inline]
folio_lock include/linux/pagemap.h:974 [inline]
__filemap_get_folio+0x4ec/0xab0 mm/filemap.c:1959
pagecache_get_page+0x3c/0x16c mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:646 [inline]
grab_cache_page include/linux/pagemap.h:778 [inline]
convert_tail_for_hole fs/reiserfs/inode.c:592 [inline]
reiserfs_get_block+0x2248/0x3524 fs/reiserfs/inode.c:921
__block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991
__block_write_begin+0x7c/0xa0 fs/buffer.c:2041
reiserfs_write_begin+0x328/0x71c fs/reiserfs/inode.c:2775
generic_cont_expand_simple+0x12c/0x1fc fs/buffer.c:2347
reiserfs_setattr+0x564/0xf7c fs/reiserfs/inode.c:3305
notify_change+0xb0c/0xdcc fs/attr.c:499
do_truncate+0x178/0x1f0 fs/open.c:65
vfs_truncate+0x23c/0x2b0 fs/open.c:111
do_sys_truncate+0xe8/0x1b0 fs/open.c:134
__do_sys_truncate fs/open.c:146 [inline]
__se_sys_truncate fs/open.c:144 [inline]
__arm64_sys_truncate+0x5c/0x70 fs/open.c:144
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
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:
1 lock held by rcu_tasks_kthre/12:
#0: ffff8000152476b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffff800015247ed0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
#0: ffff800015246d40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
2 locks held by getty/4061:
#0: ffff0000d57d2098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80002062e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c drivers/tty/n_tty.c:2198
4 locks held by kworker/1:4/4344:
#0: ffff0000c0021138 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265
#1: ffff8000210b7c20 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267
#2: ffff0000f579c0e0 (&type->s_umount_key#47){++++}-{3:3}, at: flush_old_commits+0xc8/0x29c fs/reiserfs/super.c:97
#3: ffff0000d5e44090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
3 locks held by syz.0.56/4821:
#0: ffff0000ed678df8 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_file_release+0xc8/0x894 fs/reiserfs/file.c:41
#1: ffff8000216a90f0 (&journal->j_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:814 [inline]
#1: ffff8000216a90f0 (&journal->j_mutex){+.+.}-{3:3}, at: lock_journal fs/reiserfs/journal.c:534 [inline]
#1: ffff8000216a90f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x2f0/0x3bb0 fs/reiserfs/journal.c:4029
#2: ffff0000d5e44090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock_nested+0x68/0xd8 fs/reiserfs/lock.c:78
3 locks held by syz.0.56/4822:
#0: ffff0000f579c460 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:393
#1: ffff0000ed679020 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff0000ed679020 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: do_truncate+0x164/0x1f0 fs/open.c:63
#2: ffff0000d5e44090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock_nested+0x68/0xd8 fs/reiserfs/lock.c:78
1 lock held by syz-executor/5030:
#0: ffff0000d1d320e0 (&type->s_umount_key#47){++++}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362
3 locks held by syz.3.544/7536:
2 locks held by syz.4.546/7544:
1 lock held by syz.1.545/7554:
2 locks held by dhcpcd-run-hook/7560:
=============================================