INFO: task jfsCommit:94 blocked for more than 143 seconds. Not tainted 6.1.128-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+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 syz-executor:10538 blocked for more than 143 seconds. Not tainted 6.1.128-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:10538 ppid:1 flags:0x0000000c 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 jfs_flush_journal+0x5d8/0xd64 fs/jfs/jfs_logmgr.c:1564 jfs_sync_fs+0x80/0xac fs/jfs/super.c:684 sync_filesystem+0x1a0/0x218 fs/sync.c:66 generic_shutdown_super+0x70/0x328 fs/super.c:474 kill_block_super+0x70/0xdc fs/super.c:1470 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x550/0x1a84 kernel/exit.c:871 do_group_exit+0x194/0x22c kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1030 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by init/1: 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 3 locks held by ksoftirqd/1/21: 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/94: #0: ffff0000f0608920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:889 #1: ffff0001091a2f78 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2e0/0x2648 fs/jfs/jfs_imap.c:894 1 lock held by dhcpcd/3965: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: __netlink_dump_start+0x104/0x680 net/netlink/af_netlink.c:2287 2 locks held by getty/4059: #0: ffff0000d6109098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001d8202f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198 3 locks held by kworker/0:7/4391: #0: ffff0000d584f138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021617c20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 4 locks held by kworker/u4:6/4392: #0: ffff0000c03dd138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021687c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff8000180b9250 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0xaec net/core/net_namespace.c:594 #3: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/10538: #0: ffff0000f5e9c0e0 (&type->s_umount_key#83){+.+.}-{3:3}, at: deactivate_super+0xe8/0x110 fs/super.c:362 3 locks held by kworker/1:8/11618: #0: ffff0000d584f138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021ed7c20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/u4:55/12260: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800021e27c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 7 locks held by syz-executor/12451: #0: ffff0000d7d62460 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x244/0x91c fs/read_write.c:580 #1: ffff0000d47c2088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000d1247008 (kn->active#46){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff8000174867a8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: new_device_store+0x170/0x664 drivers/net/netdevsim/bus.c:160 #4: ffff0000fe1eb0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff0000fe1eb0e8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x90/0x480 drivers/base/dd.c:990 #5: ffff0000f00cd2f8 (&devlink->lock_key#24){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/leftover.c:275 #6: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/12649: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/1:14/12762: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff8000224e7c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 #2: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz.4.1544/13219: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/13220: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz.8.1557/13277: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz.5.1558/13278: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/13281: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/13283: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/13327: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/13329: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/13336: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/13343: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 1 lock held by syz-executor/13345: #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000180c5208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6147 =============================================