INFO: task jfsCommit:94 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:94 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: 3 locks held by kworker/u4:0/9: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6b8/0x13a4 kernel/workqueue.c:2265 #1: ffff80001c9a7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x13a4 kernel/workqueue.c:2267 #2: ffff80001786e888 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by rcu_tasks_kthre/12: #0: ffff8000153d7c30 (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: ffff8000153d8450 (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: ffff8000153d72c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by jfsCommit/94: #0: ffff0000f6f58920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x244/0x1e00 fs/jfs/jfs_imap.c:889 #1: ffff0000f5d32638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x258/0x1e00 fs/jfs/jfs_imap.c:894 4 locks held by kworker/u4:4/1588: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x6b8/0x13a4 kernel/workqueue.c:2265 #1: ffff8000259d7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x13a4 kernel/workqueue.c:2267 #2: ffff800017862250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x134/0xa84 net/core/net_namespace.c:594 #3: ffff0000dcec93e8 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_destruct+0x114/0x2d0 drivers/net/wireguard/device.c:249 3 locks held by kworker/u4:5/1616: 1 lock held by dhcpcd/3990: #0: ffff80001786e888 (rtnl_mutex){+.+.}-{3:3}, at: __netlink_dump_start+0x104/0x698 net/netlink/af_netlink.c:2305 2 locks held by getty/4078: #0: ffff0000d8790098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000207bb2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xfa0 drivers/tty/n_tty.c:2198 2 locks held by kworker/u4:6/4653: 7 locks held by syz-executor/8348: #0: ffff0000d8a82460 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x244/0x7f0 fs/read_write.c:580 #1: ffff0000f5bab088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c0/0x4c0 fs/kernfs/file.c:343 #2: ffff0000d1556a00 (kn->active#50){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff0000d1556a00 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x200/0x4c0 fs/kernfs/file.c:344 #3: ffff800016c18d48 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xdc/0x32c drivers/net/netdevsim/bus.c:209 #4: ffff0000d08e20e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:840 [inline] #4: ffff0000d08e20e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1080 [inline] #4: ffff0000d08e20e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x9c/0x6d0 drivers/base/dd.c:1283 #5: ffff0000f16d12f8 (&devlink->lock_key#10){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/leftover.c:275 #6: ffff80001786e888 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/8538: 1 lock held by syz-executor/8541: 1 lock held by syz-executor/8550: 1 lock held by syz-executor/8551: #0: ffff80001786e888 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff80001786e888 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x650/0xcdc net/core/rtnetlink.c:6147 =============================================