bond521 (unregistering): Released all slaves bond520 (unregistering): Released all slaves bond519 (unregistering): Released all slaves bond518 (unregistering): Released all slaves bond517 (unregistering): Released all slaves INFO: task kworker/0:0:3 blocked for more than 140 seconds. Not tainted 4.14.158-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:0 D27056 3 2 0x80000000 kobject: 'rx-15' (ffff88803876c9d0): kobject_cleanup, parent ffff8880310d0748 kobject: 'rx-15' (ffff88803876c9d0): auto cleanup 'remove' event Workqueue: events switchdev_deferred_process_work Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3384 kobject: 'rx-15' (ffff88803876c9d0): kobject_uevent_env kobject: 'rx-15' (ffff88803876c9d0): kobject_uevent_env: uevent_suppress caused the event to drop! schedule+0x92/0x1c0 kernel/sched/core.c:3428 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3486 kobject: 'rx-15' (ffff88803876c9d0): auto cleanup kobject_del kobject: 'rx-15' (ffff88803876c9d0): calling ktype release __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893 kobject: 'rx-15': free name kobject: 'rx-14' (ffff88803876c950): kobject_cleanup, parent ffff8880310d0748 kobject: 'rx-14' (ffff88803876c950): auto cleanup 'remove' event kobject: 'rx-14' (ffff88803876c950): kobject_uevent_env mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 kobject: 'rx-14' (ffff88803876c950): kobject_uevent_env: uevent_suppress caused the event to drop! rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:150 process_one_work+0x863/0x1600 kernel/workqueue.c:2114 kobject: 'rx-14' (ffff88803876c950): auto cleanup kobject_del kobject: 'rx-14' (ffff88803876c950): calling ktype release worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x319/0x430 kernel/kthread.c:232 kobject: 'rx-14': free name kobject: 'rx-13' (ffff88803876c8d0): kobject_cleanup, parent ffff8880310d0748 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 kobject: 'rx-13' (ffff88803876c8d0): auto cleanup 'remove' event kobject: 'rx-13' (ffff88803876c8d0): kobject_uevent_env kobject: 'rx-13' (ffff88803876c8d0): kobject_uevent_env: uevent_suppress caused the event to drop! Showing all locks held in the system: 3 locks held by kworker/0:0/3: #0: ("events"){+.+.}, at: [] work_static include/linux/workqueue.h:199 [inline] #0: ("events"){+.+.}, at: [] set_work_data kernel/workqueue.c:619 [inline] #0: ("events"){+.+.}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: ("events"){+.+.}, at: [] process_one_work+0x76e/0x1600 kernel/workqueue.c:2085 #1: (deferred_process_work){+.+.}, at: [] process_one_work+0x7ab/0x1600 kernel/workqueue.c:2089 #2: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by khungtaskd/1045: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4544 2 locks held by getty/6979: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/6980: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/6981: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/6982: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/6983: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/6984: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/6985: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 3 locks held by kworker/0:3/7042: #0: ("events"){+.+.}, at: [] work_static include/linux/workqueue.h:199 [inline] #0: ("events"){+.+.}, at: [] set_work_data kernel/workqueue.c:619 [inline] #0: ("events"){+.+.}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: ("events"){+.+.}, at: [] process_one_work+0x76e/0x1600 kernel/workqueue.c:2085 #1: ((linkwatch_work).work){+.+.}, at: [] process_one_work+0x7ab/0x1600 kernel/workqueue.c:2089 #2: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 3 locks held by kworker/1:1/30514: #0: ("%s"("ipv6_addrconf")){+.+.}, at: [] work_static include/linux/workqueue.h:199 [inline] #0: ("%s"("ipv6_addrconf")){+.+.}, at: [] set_work_data kernel/workqueue.c:619 [inline] #0: ("%s"("ipv6_addrconf")){+.+.}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: ("%s"("ipv6_addrconf")){+.+.}, at: [] process_one_work+0x76e/0x1600 kernel/workqueue.c:2085 #1: ((addr_chk_work).work){+.+.}, at: [] process_one_work+0x7ab/0x1600 kernel/workqueue.c:2089 #2: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor.2/5378: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock net/core/rtnetlink.c:72 [inline] #0: (rtnl_mutex){+.+.}, at: [] rtnetlink_rcv_msg+0x339/0xb70 net/core/rtnetlink.c:4301 ============================================= kobject: 'rx-13' (ffff88803876c8d0): auto cleanup kobject_del kobject: 'rx-13' (ffff88803876c8d0): calling ktype release kobject: 'rx-13': free name kobject: 'rx-12' (ffff88803876c850): kobject_cleanup, parent ffff8880310d0748 kobject: 'rx-12' (ffff88803876c850): auto cleanup 'remove' event kobject: 'rx-12' (ffff88803876c850): kobject_uevent_env kobject: 'rx-12' (ffff88803876c850): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-12' (ffff88803876c850): auto cleanup kobject_del kobject: 'rx-12' (ffff88803876c850): calling ktype release kobject: 'rx-12': free name kobject: 'rx-11' (ffff88803876c7d0): kobject_cleanup, parent ffff8880310d0748 kobject: 'rx-11' (ffff88803876c7d0): auto cleanup 'remove' event kobject: 'rx-11' (ffff88803876c7d0): kobject_uevent_env kobject: 'rx-11' (ffff88803876c7d0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-11' (ffff88803876c7d0): auto cleanup kobject_del kobject: 'rx-11' (ffff88803876c7d0): calling ktype release