------------[ cut here ]------------ RTNL: assertion failed at net/core/link_watch.c (59) WARNING: CPU: 0 PID: 588 at net/core/link_watch.c:59 default_operstate net/core/link_watch.c:59 [inline] WARNING: CPU: 0 PID: 588 at net/core/link_watch.c:59 rfc2863_policy+0x2d0/0x378 net/core/link_watch.c:76 Modules linked in: CPU: 0 UID: 0 PID: 588 Comm: kworker/u8:5 Not tainted 6.14.0-rc1-syzkaller-g2014c95afece #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bond0 bond_mii_monitor pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : default_operstate net/core/link_watch.c:59 [inline] pc : rfc2863_policy+0x2d0/0x378 net/core/link_watch.c:76 lr : default_operstate net/core/link_watch.c:59 [inline] lr : rfc2863_policy+0x2d0/0x378 net/core/link_watch.c:76 sp : ffff80009d5975d0 x29: ffff80009d5975d0 x28: ffff0000effcc0b1 x27: ffff0000ef3a10e8 x26: ffff800092b680a0 x25: 1fffe0001dfe84d3 x24: dfff800000000000 x23: dfff800000000000 x22: 0000000000000007 x21: ffff800092ef9000 x20: 0000000000000022 x19: ffff0000eff42000 x18: 1fffe000366f1c86 x17: ffff80008fbcd000 x16: ffff800080469d6c x15: 0000000000000001 x14: 1fffe000366f46e0 x13: ffff80009d598000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : e03ff856096c3d00 x8 : e03ff856096c3d00 x7 : ffff8000803d5ea8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b8ba180 x0 : ffff800123c76000 Call trace: default_operstate net/core/link_watch.c:59 [inline] (P) rfc2863_policy+0x2d0/0x378 net/core/link_watch.c:76 (P) linkwatch_do_dev+0x54/0x1a8 net/core/link_watch.c:179 linkwatch_sync_dev+0x150/0x16c net/core/link_watch.c:272 ethtool_op_get_link+0x20/0x5c net/ethtool/ioctl.c:62 bond_check_dev_link+0x1ac/0x370 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] bond_mii_monitor+0x3d8/0x28b4 drivers/net/bonding/bond_main.c:2962 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 irq event stamp: 2993192 hardirqs last enabled at (2993191): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1533 [inline] hardirqs last enabled at (2993191): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5131 hardirqs last disabled at (2993192): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (2993150): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (2993150): [] batadv_nc_purge_paths+0x2f4/0x378 net/batman-adv/network-coding.c:471 softirqs last disabled at (2993148): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (2993148): [] batadv_nc_purge_paths+0xd0/0x378 net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- ============================= WARNING: suspicious RCU usage 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: G W ----------------------------- net/sched/sch_generic.c:1285 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/u8:5/588: #0: ffff0000ef2e2148 ((wq_completion)bond0#3){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3210 #1: ffff80009d597ba0 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3210 #2: ffff80008fdb1ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:336 stack backtrace: CPU: 0 UID: 0 PID: 588 Comm: kworker/u8:5 Tainted: G W 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x264/0x46c kernel/locking/lockdep.c:6847 dev_deactivate_queue+0xac/0x1e4 net/sched/sch_generic.c:1285 netdev_for_each_tx_queue include/linux/netdevice.h:2590 [inline] dev_deactivate_many+0x130/0xb70 net/sched/sch_generic.c:1361 dev_deactivate+0x13c/0x1fc net/sched/sch_generic.c:1398 linkwatch_do_dev+0x100/0x1a8 net/core/link_watch.c:184 linkwatch_sync_dev+0x150/0x16c net/core/link_watch.c:272 ethtool_op_get_link+0x20/0x5c net/ethtool/ioctl.c:62 bond_check_dev_link+0x1ac/0x370 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] bond_mii_monitor+0x3d8/0x28b4 drivers/net/bonding/bond_main.c:2962 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: G W ----------------------------- ./include/linux/rtnetlink.h:162 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/u8:5/588: #0: ffff0000ef2e2148 ((wq_completion)bond0#3){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3210 #1: ffff80009d597ba0 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3210 #2: ffff80008fdb1ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:336 stack backtrace: CPU: 0 UID: 0 PID: 588 Comm: kworker/u8:5 Tainted: G W 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x264/0x46c kernel/locking/lockdep.c:6847 dev_ingress_queue include/linux/rtnetlink.h:162 [inline] dev_deactivate_many+0x208/0xb70 net/sched/sch_generic.c:1363 dev_deactivate+0x13c/0x1fc net/sched/sch_generic.c:1398 linkwatch_do_dev+0x100/0x1a8 net/core/link_watch.c:184 linkwatch_sync_dev+0x150/0x16c net/core/link_watch.c:272 ethtool_op_get_link+0x20/0x5c net/ethtool/ioctl.c:62 bond_check_dev_link+0x1ac/0x370 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] bond_mii_monitor+0x3d8/0x28b4 drivers/net/bonding/bond_main.c:2962 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: G W ----------------------------- net/sched/sch_generic.c:1301 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/u8:5/588: #0: ffff0000ef2e2148 ((wq_completion)bond0#3){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3210 #1: ffff80009d597ba0 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3210 #2: ffff80008fdb1ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:336 stack backtrace: CPU: 0 UID: 0 PID: 588 Comm: kworker/u8:5 Tainted: G W 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x264/0x46c kernel/locking/lockdep.c:6847 dev_reset_queue+0xa8/0x1fc net/sched/sch_generic.c:1301 netdev_for_each_tx_queue include/linux/netdevice.h:2590 [inline] dev_deactivate_many+0x5c8/0xb70 net/sched/sch_generic.c:1375 dev_deactivate+0x13c/0x1fc net/sched/sch_generic.c:1398 linkwatch_do_dev+0x100/0x1a8 net/core/link_watch.c:184 linkwatch_sync_dev+0x150/0x16c net/core/link_watch.c:272 ethtool_op_get_link+0x20/0x5c net/ethtool/ioctl.c:62 bond_check_dev_link+0x1ac/0x370 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] bond_mii_monitor+0x3d8/0x28b4 drivers/net/bonding/bond_main.c:2962 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= WARNING: suspicious RCU usage 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: G W ----------------------------- net/sched/sch_generic.c:1332 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/u8:5/588: #0: ffff0000ef2e2148 ((wq_completion)bond0#3){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3210 #1: ffff80009d597ba0 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3210 #2: ffff80008fdb1ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:336 stack backtrace: CPU: 0 UID: 0 PID: 588 Comm: kworker/u8:5 Tainted: G W 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lockdep_rcu_suspicious+0x264/0x46c kernel/locking/lockdep.c:6847 some_qdisc_is_busy net/sched/sch_generic.c:1332 [inline] dev_deactivate_many+0x8c4/0xb70 net/sched/sch_generic.c:1383 dev_deactivate+0x13c/0x1fc net/sched/sch_generic.c:1398 linkwatch_do_dev+0x100/0x1a8 net/core/link_watch.c:184 linkwatch_sync_dev+0x150/0x16c net/core/link_watch.c:272 ethtool_op_get_link+0x20/0x5c net/ethtool/ioctl.c:62 bond_check_dev_link+0x1ac/0x370 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] bond_mii_monitor+0x3d8/0x28b4 drivers/net/bonding/bond_main.c:2962 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 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/rwsem.c:1523 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 588, name: kworker/u8:5 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by kworker/u8:5/588: #0: ffff0000ef2e2148 ((wq_completion)bond0#3){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3210 #1: ffff80009d597ba0 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3210 #2: ffff80008fdb1ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:336 CPU: 1 UID: 0 PID: 588 Comm: kworker/u8:5 Tainted: G W 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 __might_resched+0x374/0x4d0 kernel/sched/core.c:8766 __might_sleep+0x90/0xe4 kernel/sched/core.c:8695 down_read+0x30/0x2fc kernel/locking/rwsem.c:1523 wireless_nlevent_flush net/wireless/wext-core.c:351 [inline] wext_netdev_notifier_call+0x2c/0x124 net/wireless/wext-core.c:371 notifier_call_chain+0x1c4/0x550 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info net/core/dev.c:2141 [inline] netdev_state_change+0x184/0x238 net/core/dev.c:1506 linkwatch_do_dev+0x108/0x1a8 net/core/link_watch.c:186 linkwatch_sync_dev+0x150/0x16c net/core/link_watch.c:272 ethtool_op_get_link+0x20/0x5c net/ethtool/ioctl.c:62 bond_check_dev_link+0x1ac/0x370 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] bond_mii_monitor+0x3d8/0x28b4 drivers/net/bonding/bond_main.c:2962 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 ============================= [ BUG: Invalid wait context ] 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: G W ----------------------------- kworker/u8:5/588 is trying to lock: ffff800092b58d10 (net_rwsem){++++}-{4:4}, at: wireless_nlevent_flush net/wireless/wext-core.c:351 [inline] ffff800092b58d10 (net_rwsem){++++}-{4:4}, at: wext_netdev_notifier_call+0x2c/0x124 net/wireless/wext-core.c:371 other info that might help us debug this: context-{5:5} 3 locks held by kworker/u8:5/588: #0: ffff0000ef2e2148 ((wq_completion)bond0#3){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3210 #1: ffff80009d597ba0 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3210 #2: ffff80008fdb1ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:336 stack backtrace: CPU: 1 UID: 0 PID: 588 Comm: kworker/u8:5 Tainted: G W 6.14.0-rc1-syzkaller-g2014c95afece #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bond0 bond_mii_monitor Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 print_lock_invalid_wait_context kernel/locking/lockdep.c:4828 [inline] check_wait_context kernel/locking/lockdep.c:4900 [inline] __lock_acquire+0x2034/0x7904 kernel/locking/lockdep.c:5178 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851 down_read+0x58/0x2fc kernel/locking/rwsem.c:1524 wireless_nlevent_flush net/wireless/wext-core.c:351 [inline] wext_netdev_notifier_call+0x2c/0x124 net/wireless/wext-core.c:371 notifier_call_chain+0x1c4/0x550 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info net/core/dev.c:2141 [inline] netdev_state_change+0x184/0x238 net/core/dev.c:1506 linkwatch_do_dev+0x108/0x1a8 net/core/link_watch.c:186 linkwatch_sync_dev+0x150/0x16c net/core/link_watch.c:272 ethtool_op_get_link+0x20/0x5c net/ethtool/ioctl.c:62 bond_check_dev_link+0x1ac/0x370 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] bond_mii_monitor+0x3d8/0x28b4 drivers/net/bonding/bond_main.c:2962 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50