INFO: task jfsCommit:98 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:98 tgid:98 ppid:2 task_flags:0x200040 flags:0x00000010 Call trace: __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T) context_switch kernel/sched/core.c:5357 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xb4/0x230 kernel/sched/core.c:7058 io_schedule+0x84/0xf0 kernel/sched/core.c:7903 __lock_metapage+0x19c/0x434 fs/jfs/jfs_metapage.c:52 lock_metapage fs/jfs/jfs_metapage.c:66 [inline] __get_metapage+0x7d8/0xe8c fs/jfs/jfs_metapage.c:748 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2672 diFree+0x738/0x2510 fs/jfs/jfs_imap.c:959 jfs_evict_inode+0x2c4/0x3e8 fs/jfs/inode.c:156 evict+0x414/0x928 fs/inode.c:810 iput_final fs/inode.c:1897 [inline] iput+0x6e4/0x83c fs/inode.c:1923 txUpdateMap+0x798/0x8d0 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x394/0x94c fs/jfs/jfs_txnmgr.c:2733 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 INFO: task jfsCommit:99 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:99 tgid:99 ppid:2 task_flags:0x200040 flags:0x00000010 Call trace: __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T) context_switch kernel/sched/core.c:5357 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xb4/0x230 kernel/sched/core.c:7058 io_schedule+0x84/0xf0 kernel/sched/core.c:7903 __lock_metapage+0x19c/0x434 fs/jfs/jfs_metapage.c:52 lock_metapage fs/jfs/jfs_metapage.c:66 [inline] __get_metapage+0x7d8/0xe8c fs/jfs/jfs_metapage.c:748 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2672 diFree+0x738/0x2510 fs/jfs/jfs_imap.c:959 jfs_evict_inode+0x2c4/0x3e8 fs/jfs/inode.c:156 evict+0x414/0x928 fs/inode.c:810 iput_final fs/inode.c:1897 [inline] iput+0x6e4/0x83c fs/inode.c:1923 txUpdateMap+0x798/0x8d0 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x394/0x94c fs/jfs/jfs_txnmgr.c:2733 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 Showing all locks held in the system: 1 lock held by khungtaskd/32: #0: ffff80008f9c9620 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330 1 lock held by pr/ttyAMA-1/43: 2 locks held by jfsCommit/98: #0: ffff0000dbc48920 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x21c/0x2510 fs/jfs/jfs_imap.c:889 #1: ffff0000f75b2618 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x230/0x2510 fs/jfs/jfs_imap.c:894 2 locks held by jfsCommit/99: #0: ffff0000fa460920 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x21c/0x2510 fs/jfs/jfs_imap.c:889 #1: ffff0000f75b5d68 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x230/0x2510 fs/jfs/jfs_imap.c:894 2 locks held by getty/6316: #0: ffff0000d2ff30a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009bbeb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222 2 locks held by syz-executor/6529: #0: ffff0000d64c20e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000d64c20e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000d64c20e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 #1: ffff80008fe00208 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb0/0x4c4 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor/6538: #0: ffff0000ca0640e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000ca0640e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000ca0640e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 #1: ffff80008fe00208 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb0/0x4c4 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz.0.96/7311: #0: ffff0000deab60e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000deab60e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000deab60e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 #1: ffff80008fe00208 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb0/0x4c4 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz.5.101/7350: #0: ffff0000d09400e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000d09400e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000d09400e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 #1: ffff80008fe00208 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb0/0x4c4 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor/7445: #0: ffff0000f5d2a0e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000f5d2a0e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000f5d2a0e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 #1: ffff80008fe00208 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb0/0x4c4 fs/jfs/jfs_logmgr.c:1444 1 lock held by syz-executor/7482: #0: ffff0000dd8a80e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000dd8a80e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000dd8a80e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 2 locks held by syz-executor/7654: #0: ffff0000fe7c40e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000fe7c40e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000fe7c40e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 #1: ffff80008fe00208 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb0/0x4c4 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor/8097: #0: ffff0000d92840e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000d92840e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000d92840e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 #1: ffff80008fe00208 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb0/0x4c4 fs/jfs/jfs_logmgr.c:1444 1 lock held by syz-executor/8171: #0: ffff0001099a20e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0001099a20e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0001099a20e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 4 locks held by kworker/u8:20/9012: =============================================