INFO: task jfsCommit:92 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:0 pid:92 ppid:2 flags:0x00000008 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdd0/0x1b0c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 io_schedule+0x84/0x154 kernel/sched/core.c:8798 __lock_metapage+0x180/0x418 fs/jfs/jfs_metapage.c:50 lock_metapage fs/jfs/jfs_metapage.c:64 [inline] __get_metapage+0x900/0xfac fs/jfs/jfs_metapage.c:639 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2672 diFree+0x6f4/0x1e00 fs/jfs/jfs_imap.c:959 jfs_evict_inode+0x2c4/0x3e4 fs/jfs/inode.c:162 evict+0x3e0/0x828 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x754/0x7e4 fs/inode.c:1860 txUpdateMap+0x674/0x794 fs/jfs/jfs_txnmgr.c:2368 txLazyCommit fs/jfs/jfs_txnmgr.c:2665 [inline] jfs_lazycommit+0x354/0x908 fs/jfs/jfs_txnmgr.c:2733 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff8000153f7c30 (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: ffff8000153f8450 (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: ffff8000153f72c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by jfsCommit/92: #0: ffff0000fb2f8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x244/0x1e00 fs/jfs/jfs_imap.c:889 #1: ffff0000e2337038 (&jfs_ip->rdwrlock/1){++++}-{3:3}, at: diFree+0x258/0x1e00 fs/jfs/jfs_imap.c:894 2 locks held by getty/4079: #0: ffff0000d7045098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001cfe62f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xfa0 drivers/tty/n_tty.c:2198 2 locks held by syz-executor/4332: #0: ffff0000f1ea00e0 (&type->s_umount_key#57){++++}-{3:3}, at: deactivate_super+0xdc/0x104 fs/super.c:362 #1: ffff8000157df1e8 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xb0/0x4c8 fs/jfs/jfs_logmgr.c:1444 3 locks held by kworker/u4:14/4712: #0: ffff00019f545198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:538 [inline] #0: ffff00019f545198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1362 [inline] #0: ffff00019f545198 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1652 [inline] #0: ffff00019f545198 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2b8/0x1b0c kernel/sched/core.c:6478 #1: ffff00019f531bc8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2ec/0x608 kernel/sched/psi.c:987 #2: ffff00019f532798 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x11c/0x224 kernel/time/timer.c:999 1 lock held by syz.0.924/8739: #0: ffff0000f1ea00e0 (&type->s_umount_key#57){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 1 lock held by syz.0.924/8741: #0: ffff0000f1ea00e0 (&type->s_umount_key#57){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 1 lock held by syz.0.924/8742: #0: ffff0000f1ea00e0 (&type->s_umount_key#57){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 1 lock held by syz.0.924/8748: #0: ffff0000f1ea00e0 (&type->s_umount_key#57){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 1 lock held by syz.0.924/8749: #0: ffff0000f1ea00e0 (&type->s_umount_key#57){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 1 lock held by syz.0.924/8753: #0: ffff0000f1ea00e0 (&type->s_umount_key#57){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 1 lock held by syz.0.924/8754: #0: ffff0000f1ea00e0 (&type->s_umount_key#57){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 1 lock held by syz.0.924/8761: #0: ffff0000f1ea00e0 (&type->s_umount_key#57){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 =============================================