============================= WARNING: suspicious RCU usage 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 Not tainted ----------------------------- net/sched/sch_generic.c:1251 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8 ){+.+.}-{0:0} , at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 stack backtrace: CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xdc/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x174/0x2a8 kernel/locking/lockdep.c:6865 dev_activate+0x250/0xb34 net/sched/sch_generic.c:1251 linkwatch_do_dev+0x11c/0x144 net/core/link_watch.c:182 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 Not tainted ----------------------------- net/sched/sch_generic.c:1229 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 stack backtrace: CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xdc/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x174/0x2a8 kernel/locking/lockdep.c:6865 transition_one_qdisc+0x124/0x18c net/sched/sch_generic.c:1229 netdev_for_each_tx_queue include/linux/netdevice.h:2650 [inline] dev_activate+0x18c/0xb34 net/sched/sch_generic.c:1259 linkwatch_do_dev+0x11c/0x144 net/core/link_watch.c:182 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 Not tainted ----------------------------- ./include/linux/rtnetlink.h:163 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0} , at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 stack backtrace: CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xdc/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x174/0x2a8 kernel/locking/lockdep.c:6865 dev_ingress_queue include/linux/rtnetlink.h:163 [inline] dev_activate+0x470/0xb34 net/sched/sch_generic.c:1260 linkwatch_do_dev+0x11c/0x144 net/core/link_watch.c:182 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 Not tainted ----------------------------- ./include/linux/inetdevice.h:256 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 stack backtrace: CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xdc/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x174/0x2a8 kernel/locking/lockdep.c:6865 __in_dev_get_rtnl include/linux/inetdevice.h:256 [inline] arp_netdev_event+0x230/0x29c net/ipv4/arp.c:1338 notifier_call_chain+0x11c/0x49c kernel/notifier.c:85 raw_notifier_call_chain+0x18/0x24 kernel/notifier.c:453 call_netdevice_notifiers_info+0x88/0xe8 net/core/dev.c:2176 netif_state_change+0x118/0x2a8 net/core/dev.c:1530 linkwatch_do_dev+0xd0/0x144 net/core/link_watch.c:186 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 Not tainted ----------------------------- ./include/linux/inetdevice.h:256 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 stack backtrace: CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xdc/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x174/0x2a8 kernel/locking/lockdep.c:6865 __in_dev_get_rtnl include/linux/inetdevice.h:256 [inline] inetdev_event+0x3b8/0x1178 net/ipv4/devinet.c:1585 notifier_call_chain+0x11c/0x49c kernel/notifier.c:85 raw_notifier_call_chain+0x18/0x24 kernel/notifier.c:453 call_netdevice_notifiers_info+0x88/0xe8 net/core/dev.c:2176 netif_state_change+0x118/0x2a8 net/core/dev.c:1530 linkwatch_do_dev+0xd0/0x144 net/core/link_watch.c:186 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 Not tainted ----------------------------- ./include/linux/inetdevice.h:256 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 stack backtrace: CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xdc/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x174/0x2a8 kernel/locking/lockdep.c:6865 __in_dev_get_rtnl include/linux/inetdevice.h:256 [inline] fib_netdev_event+0x1b0/0x4dc net/ipv4/fib_frontend.c:1508 notifier_call_chain+0x11c/0x49c kernel/notifier.c:85 raw_notifier_call_chain+0x18/0x24 kernel/notifier.c:453 call_netdevice_notifiers_info+0x88/0xe8 net/core/dev.c:2176 netif_state_change+0x118/0x2a8 net/core/dev.c:1530 linkwatch_do_dev+0xd0/0x144 net/core/link_watch.c:186 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 Not tainted ----------------------------- drivers/net/bonding/bond_main.c:4009 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 stack backtrace: CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xdc/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x174/0x2a8 kernel/locking/lockdep.c:6865 bond_slave_netdev_event drivers/net/bonding/bond_main.c:4009 [inline] bond_netdev_event+0x570/0xa68 drivers/net/bonding/bond_main.c:4151 notifier_call_chain+0x11c/0x49c kernel/notifier.c:85 raw_notifier_call_chain+0x18/0x24 kernel/notifier.c:453 call_netdevice_notifiers_info+0x88/0xe8 net/core/dev.c:2176 netif_state_change+0x118/0x2a8 net/core/dev.c:1530 linkwatch_do_dev+0xd0/0x144 net/core/link_watch.c:186 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 Not tainted ----------------------------- drivers/net/bonding/bond_main.c:4024 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 stack backtrace: CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xdc/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x174/0x2a8 kernel/locking/lockdep.c:6865 bond_slave_netdev_event drivers/net/bonding/bond_main.c:4024 [inline] bond_netdev_event+0x5c8/0xa68 drivers/net/bonding/bond_main.c:4151 notifier_call_chain+0x11c/0x49c kernel/notifier.c:85 raw_notifier_call_chain+0x18/0x24 kernel/notifier.c:453 call_netdevice_notifiers_info+0x88/0xe8 net/core/dev.c:2176 netif_state_change+0x118/0x2a8 net/core/dev.c:1530 linkwatch_do_dev+0xd0/0x144 net/core/link_watch.c:186 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 17718, name: kworker/u8:0 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Not tainted 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xdc/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 __might_resched+0x3dc/0x5bc kernel/sched/core.c:8818 __might_sleep+0x94/0x154 kernel/sched/core.c:8747 __mutex_lock_common kernel/locking/mutex.c:578 [inline] __mutex_lock+0xcc/0x9d8 kernel/locking/mutex.c:746 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:798 tee_netdev_event+0x78/0x3e4 net/netfilter/xt_TEE.c:68 notifier_call_chain+0x11c/0x49c kernel/notifier.c:85 raw_notifier_call_chain+0x18/0x24 kernel/notifier.c:453 call_netdevice_notifiers_info+0x88/0xe8 net/core/dev.c:2176 netif_state_change+0x118/0x2a8 net/core/dev.c:1530 linkwatch_do_dev+0xd0/0x144 net/core/link_watch.c:186 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= [ BUG: Invalid wait context ] 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 Tainted: G W ----------------------------- kworker/u8:0/17718 is trying to lock: ffff000016cee778 (&tn->lock){+.+.}-{4:4}, at: tee_netdev_event+0x78/0x3e4 net/netfilter/xt_TEE.c:68 other info that might help us debug this: context-{5:5} 3 locks held by kworker/u8:0/17718: #0: ffff000013f55148 ((wq_completion)bond0#8){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008df97c80 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000872bd9e0 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0xfc/0x20bc drivers/net/bonding/bond_main.c:2956 stack backtrace: CPU: 0 UID: 0 PID: 17718 Comm: kworker/u8:0 Tainted: G W 6.15.0-rc5-syzkaller-00300-g3ce9925823c7 #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xa4/0xf4 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 print_lock_invalid_wait_context kernel/locking/lockdep.c:4831 [inline] check_wait_context kernel/locking/lockdep.c:4903 [inline] __lock_acquire+0xad8/0x2314 kernel/locking/lockdep.c:5185 lock_acquire kernel/locking/lockdep.c:5866 [inline] lock_acquire+0x310/0x38c kernel/locking/lockdep.c:5823 __mutex_lock_common kernel/locking/mutex.c:601 [inline] __mutex_lock+0x144/0x9d8 kernel/locking/mutex.c:746 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:798 tee_netdev_event+0x78/0x3e4 net/netfilter/xt_TEE.c:68 notifier_call_chain+0x11c/0x49c kernel/notifier.c:85 raw_notifier_call_chain+0x18/0x24 kernel/notifier.c:453 call_netdevice_notifiers_info+0x88/0xe8 net/core/dev.c:2176 netif_state_change+0x118/0x2a8 net/core/dev.c:1530 linkwatch_do_dev+0xd0/0x144 net/core/link_watch.c:186 __linkwatch_sync_dev+0xbc/0x188 net/core/link_watch.c:282 ethtool_op_get_link+0x18/0x54 net/ethtool/ioctl.c:63 bond_check_dev_link+0x2ac/0x484 drivers/net/bonding/bond_main.c:866 bond_miimon_inspect drivers/net/bonding/bond_main.c:2739 [inline] bond_mii_monitor+0x2f0/0x20bc drivers/net/bonding/bond_main.c:2961 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862