INFO: task jfsCommit:92 blocked for more than 156 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/91: #0: ffff0000c66c8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x244/0x1e00 fs/jfs/jfs_imap.c:889 #1: ffff0000fc190138 (&jfs_ip->rdwrlock/1){++++}-{3:3} , at: diFree+0x258/0x1e00 fs/jfs/jfs_imap.c:894 2 locks held by jfsCommit/92: #0: ffff0000db458920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x244/0x1e00 fs/jfs/jfs_imap.c:889 #1: ffff0000fc0a93b8 (&jfs_ip->rdwrlock/1){++++}-{3:3}, at: diFree+0x258/0x1e00 fs/jfs/jfs_imap.c:894 2 locks held by kworker/u4:3/1571: 1 lock held by udevd/3935: 2 locks held by getty/4081: #0: ffff0000d74cb098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000207db2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xfa0 drivers/tty/n_tty.c:2198 3 locks held by kworker/0:5/4371: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b8/0x13a4 kernel/workqueue.c:2265 #1: ffff800020c77c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x13a4 kernel/workqueue.c:2267 #2: ffff800017890888 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by kworker/1:9/4532: #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x6b8/0x13a4 kernel/workqueue.c:2265 #1: ffff800020ce7c20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x13a4 kernel/workqueue.c:2267 2 locks held by syz-executor/6240: #0: ffff0000dd1b60e0 (&type->s_umount_key#50){++++}-{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 2 locks held by syz-executor/6245: #0: ffff0000fedba0e0 (&type->s_umount_key#50){++++}-{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 2 locks held by syz-executor/6248: #0: ffff0000dbcc00e0 (&type->s_umount_key#50){++++}-{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 1 lock held by syz-executor/6250: #0: ffff0000f7ec00e0 (&type->s_umount_key#50){++++}-{3:3}, at: deactivate_super+0xdc/0x104 fs/super.c:362 1 lock held by syz.9.463/6760: #0: ffff0000fedba0e0 (&type->s_umount_key#50){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 2 locks held by udevd/6763: 2 locks held by syz-executor/6989: #0: ffff0000cceda0e0 (&type->s_umount_key#50){++++}-{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 1 lock held by syz-executor/7366: #0: ffff0000d3cbe0e0 (&type->s_umount_key#50){++++}-{3:3}, at: deactivate_super+0xdc/0x104 fs/super.c:362 1 lock held by syz-executor/7368: #0: ffff0000d95fa0e0 (&type->s_umount_key#50){++++}-{3:3}, at: deactivate_super+0xdc/0x104 fs/super.c:362 1 lock held by syz-executor/7501: #0: ffff000117f640e0 (&type->s_umount_key#50){++++}-{3:3}, at: deactivate_super+0xdc/0x104 fs/super.c:362 1 lock held by syz-executor/7763: #0: ffff000112ea60e0 (&type->s_umount_key#50){++++}-{3:3}, at: deactivate_super+0xdc/0x104 fs/super.c:362 1 lock held by syz-executor/8397: #0: ffff00010fcce0e0 (&type->s_umount_key#50){++++}-{3:3}, at: deactivate_super+0xdc/0x104 fs/super.c:362 1 lock held by syz-executor/8466: 2 locks held by kworker/u4:33/9030: #0: ffff00019f566198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:538 [inline] #0: ffff00019f566198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1362 [inline] #0: ffff00019f566198 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1652 [inline] #0: ffff00019f566198 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2b8/0x1b0c kernel/sched/core.c:6478 #1: ffff800021b87c20 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x13a4 kernel/workqueue.c:2267 7 locks held by syz-executor/9185: #0: ffff0000d9502460 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x244/0x7f0 fs/read_write.c:580 #1: ffff0000f5475c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c0/0x4c0 fs/kernfs/file.c:343 #2: ffff0000d19db490 (kn->active#50){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff0000d19db490 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x200/0x4c0 fs/kernfs/file.c:344 #3: ffff800016c3a948 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xdc/0x32c drivers/net/netdevsim/bus.c:209 #4: ffff0000feb950e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:840 [inline] #4: ffff0000feb950e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1080 [inline] #4: ffff0000feb950e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x9c/0x6d0 drivers/base/dd.c:1283 #5: ffff0000feb912f8 (&devlink->lock_key#15){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/leftover.c:275 #6: ffff800017890888 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz.7.795/9250: #0: ffff8000153fcf78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline] #0: ffff8000153fcf78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2b8/0x77c kernel/rcu/tree_exp.h:962 1 lock held by syz.5.794/9249: #0: ffff8000153fcf78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #0: ffff8000153fcf78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3fc/0x77c kernel/rcu/tree_exp.h:962 3 locks held by syz.6.796/9260: =============================================