INFO: task jfsCommit:96 blocked for more than 143 seconds. Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:0 pid:96 tgid:96 ppid:2 flags:0x00000008 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5409 [inline] __schedule+0x14bc/0x24ec kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6838 io_schedule+0x8c/0x12c kernel/sched/core.c:9044 __lock_metapage+0x1cc/0x458 fs/jfs/jfs_metapage.c:50 lock_metapage fs/jfs/jfs_metapage.c:64 [inline] __get_metapage+0x970/0x1054 fs/jfs/jfs_metapage.c:639 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2669 diFree+0x800/0x2648 fs/jfs/jfs_imap.c:956 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x260/0x68c fs/inode.c:667 iput_final fs/inode.c:1741 [inline] iput+0x760/0x844 fs/inode.c:1767 txUpdateMap+0x73c/0x8e4 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x3bc/0x9a8 fs/jfs/jfs_txnmgr.c:2733 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 INFO: task jfsCommit:97 blocked for more than 143 seconds. Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:0 pid:97 tgid:97 ppid:2 flags:0x00000008 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5409 [inline] __schedule+0x14bc/0x24ec kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6838 io_schedule+0x8c/0x12c kernel/sched/core.c:9044 __lock_metapage+0x1cc/0x458 fs/jfs/jfs_metapage.c:50 lock_metapage fs/jfs/jfs_metapage.c:64 [inline] __get_metapage+0x970/0x1054 fs/jfs/jfs_metapage.c:639 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2669 diFree+0x800/0x2648 fs/jfs/jfs_imap.c:956 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x260/0x68c fs/inode.c:667 iput_final fs/inode.c:1741 [inline] iput+0x760/0x844 fs/inode.c:1767 txUpdateMap+0x73c/0x8e4 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x3bc/0x9a8 fs/jfs/jfs_txnmgr.c:2733 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 Showing all locks held in the system: 2 locks held by kworker/u8:0/10: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x668/0x15d4 kernel/workqueue.c:3228 #1: ffff800093c17c20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6b4/0x15d4 kernel/workqueue.c:3228 1 lock held by khungtaskd/30: #0: ffff80008f0578c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:328 2 locks held by kworker/u8:2/41: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x668/0x15d4 kernel/workqueue.c:3228 #1: ffff800095277c20 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x6b4/0x15d4 kernel/workqueue.c:3228 4 locks held by kworker/u8:3/42: 2 locks held by jfsCommit/96: #0: ffff0000d7d60920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:886 #1: ffff0000f2c3af78 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2e0/0x2648 fs/jfs/jfs_imap.c:891 2 locks held by jfsCommit/97: #0: ffff0000d08b8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:886 #1: ffff0000f2c3a638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2e0/0x2648 fs/jfs/jfs_imap.c:891 2 locks held by kworker/u8:5/448: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x668/0x15d4 kernel/workqueue.c:3228 #1: ffff800098b07c20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6b4/0x15d4 kernel/workqueue.c:3228 3 locks held by kworker/1:2/1723: #0: ffff0000c0028948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x668/0x15d4 kernel/workqueue.c:3228 #1: ffff800099947c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6b4/0x15d4 kernel/workqueue.c:3228 #2: ffff0000d2854240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x270/0x32bc drivers/net/netdevsim/fib.c:1489 2 locks held by getty/6002: #0: ffff0000ccb070a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800097b6e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 2 locks held by syz-executor.4/6260: #0: ffff0000ef17e0e0 (&type->s_umount_key#73){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff0000ef17e0e0 (&type->s_umount_key#73){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff0000ef17e0e0 (&type->s_umount_key#73){+.+.}-{3:3}, at: deactivate_super+0xd8/0x100 fs/super.c:504 #1: ffff80008f440a88 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor.3/6271: #0: ffff0000f37120e0 (&type->s_umount_key#73){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff0000f37120e0 (&type->s_umount_key#73){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff0000f37120e0 (&type->s_umount_key#73){+.+.}-{3:3}, at: deactivate_super+0xd8/0x100 fs/super.c:504 #1: ffff80008f440a88 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444 1 lock held by syz-executor.4/9217: #0: ffff0000ef17e0e0 (&type->s_umount_key#73){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff0000ef17e0e0 (&type->s_umount_key#73){+.+.}-{3:3}, at: super_lock+0x208/0x33c fs/super.c:120 1 lock held by syz-executor.1/9706: 1 lock held by syz-executor.0/9919: 1 lock held by syz-executor.3/9945: #0: ffff800091bcdee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff800091bcdee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e0/0xdbc net/core/rtnetlink.c:6592 1 lock held by syz-executor.4/9951: #0: ffff800091bcdee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 =============================================