syzbot

INFO: task jfsCommit:92 blocked for more than 143 seconds.
      Not tainted 6.1.126-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+0x308/0x598 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0xef4/0x1d44 kernel/sched/core.c:6558
 schedule+0xc4/0x170 kernel/sched/core.c:6634
 io_schedule+0x8c/0x188 kernel/sched/core.c:8786
 __lock_metapage+0x1cc/0x458 fs/jfs/jfs_metapage.c:50
 lock_metapage fs/jfs/jfs_metapage.c:64 [inline]
 __get_metapage+0x96c/0x1050 fs/jfs/jfs_metapage.c:639
 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2672
 diFree+0x800/0x2648 fs/jfs/jfs_imap.c:959
 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156
 evict+0x418/0x894 fs/inode.c:705
 iput_final fs/inode.c:1834 [inline]
 iput+0x7c0/0x8a4 fs/inode.c:1860
 txUpdateMap+0x73c/0x8e4 fs/jfs/jfs_txnmgr.c:2367
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x3a0/0x988 fs/jfs/jfs_txnmgr.c:2732
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
INFO: task jfsCommit:93 blocked for more than 143 seconds.
      Not tainted 6.1.126-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit       state:D stack:0     pid:93    ppid:2      flags:0x00000008
Call trace:
 __switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0xef4/0x1d44 kernel/sched/core.c:6558
 schedule+0xc4/0x170 kernel/sched/core.c:6634
 io_schedule+0x8c/0x188 kernel/sched/core.c:8786
 __lock_metapage+0x1cc/0x458 fs/jfs/jfs_metapage.c:50
 lock_metapage fs/jfs/jfs_metapage.c:64 [inline]
 __get_metapage+0x96c/0x1050 fs/jfs/jfs_metapage.c:639
 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2672
 diFree+0x800/0x2648 fs/jfs/jfs_imap.c:959
 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156
 evict+0x418/0x894 fs/inode.c:705
 iput_final fs/inode.c:1834 [inline]
 iput+0x7c0/0x8a4 fs/inode.c:1860
 txUpdateMap+0x73c/0x8e4 fs/jfs/jfs_txnmgr.c:2367
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x3a0/0x988 fs/jfs/jfs_txnmgr.c:2732
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffff800015c65530 (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: ffff800015c65d30 (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: ffff800015c65360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
2 locks held by jfsCommit/92:
 #0: ffff0000d16c8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:889
 #1: ffff0000def20138 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2e0/0x2648 fs/jfs/jfs_imap.c:894
2 locks held by jfsCommit/93:
 #0: ffff0000de388920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:889
 #1: ffff0000e17ca638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2e0/0x2648 fs/jfs/jfs_imap.c:894
2 locks held by getty/4059:
 #0: ffff0000d67ca098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80001d8502f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198

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