[ 416.919768][T32000] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 417.824684][ T563] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 417.914182][ T563] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 417.994189][ T563] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 418.075184][ T563] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 418.245060][ T563] bridge_slave_1: left allmulticast mode [ 418.245124][ T563] bridge_slave_1: left promiscuous mode [ 418.245279][ T563] bridge0: port 2(bridge_slave_1) entered disabled state [ 418.252010][ T563] bridge_slave_0: left allmulticast mode [ 418.252094][ T563] bridge_slave_0: left promiscuous mode [ 418.252197][ T563] bridge0: port 1(bridge_slave_0) entered disabled state [ 419.855720][ T563] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 419.894278][ T563] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 419.933408][ T563] bond0 (unregistering): Released all slaves [ 420.518163][ T563] hsr_slave_0: left promiscuous mode [ 420.520321][ T563] hsr_slave_1: left promiscuous mode [ 420.520760][ T563] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 420.520804][ T563] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 420.523413][ T563] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 420.523452][ T563] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 420.536159][ T563] veth1_macvtap: left promiscuous mode [ 420.536279][ T563] veth0_macvtap: left promiscuous mode [ 420.536373][ T563] veth1_vlan: left promiscuous mode [ 420.536444][ T563] veth0_vlan: left promiscuous mode [ 422.454203][ T563] team0 (unregistering): Port device team_slave_1 removed [ 422.683675][ T563] team0 (unregistering): Port device team_slave_0 removed Warning: Permanently added '10.128.0.206' (ED25519) to the list of known hosts. [ 425.809788][T32117] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 426.448184][T32155] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 427.209685][T32199] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 427.908085][T32246] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 428.618821][T32298] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 429.277780][T32343] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 430.011518][T32385] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 430.699758][T32431] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 431.509754][T32480] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 432.237786][T32527] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 432.910404][T32575] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! [ 433.132460][ T2407] ieee802154 phy0 wpan0: encryption failed: -22 [ 433.134398][ T2407] ieee802154 phy1 wpan1: encryption failed: -22 [ 456.071772][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [aoe_tx0:2407] [ 456.071798][ C1] Modules linked in: [ 456.071807][ C1] irq event stamp: 29107127 [ 456.076504][ C1] hardirqs last enabled at (29107126): [] _raw_spin_unlock_irqrestore+0x38/0x98 [ 456.079550][ C1] hardirqs last disabled at (29107127): [] el1_interrupt+0x24/0x54 [ 456.082197][ C1] softirqs last enabled at (8302): [] local_bh_enable+0x10/0x34 [ 456.084724][ C1] softirqs last disabled at (8306): [] local_bh_disable+0x10/0x34 [ 456.087301][ C1] CPU: 1 UID: 0 PID: 2407 Comm: aoe_tx0 Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT [ 456.087318][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 456.087325][ C1] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 456.087337][ C1] pc : _raw_spin_unlock_irqrestore+0x44/0x98 [ 456.087350][ C1] lr : _raw_spin_unlock_irqrestore+0x38/0x98 [ 456.087359][ C1] sp : ffff8000a19876a0 [ 456.087363][ C1] x29: ffff8000a19876a0 x28: ffff0000d344d430 x27: 0000000000000000 [ 456.087381][ C1] x26: ffff0000d344d3c0 x25: ffff0000d3dd8238 x24: dfff800000000000 [ 456.087397][ C1] x23: 0000000000000003 x22: 0000000000000000 x21: ffff800091212840 [ 456.087412][ C1] x20: ffff800097716160 x19: 0000000000000000 x18: 1fffe000337d6476 [ 456.087427][ C1] x17: ffff800093376000 x16: ffff80008051f01c x15: 0000000000000001 [ 456.087443][ C1] x14: 1ffff00012ee2c2c x13: 0000000000000000 x12: 0000000000000000 [ 456.087458][ C1] x11: ffff800093175c08 x10: 0000000000000003 x9 : 0000000000000000 [ 456.087472][ C1] x8 : 00000000000000c0 x7 : ffff800083d695e4 x6 : 0000000000000000 [ 456.087487][ C1] x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 [ 456.087501][ C1] x2 : 0000000000000002 x1 : ffff80008ec5712e x0 : ffff80010c8e2000 [ 456.087516][ C1] Call trace: [ 456.087520][ C1] _raw_spin_unlock_irqrestore+0x44/0x98 (P) [ 456.087532][ C1] uart_port_unlock_deref+0x108/0x2ec [ 456.087547][ C1] uart_write_room+0xa4/0x15c [ 456.087559][ C1] tty_write_room+0x6c/0x8c [ 456.087571][ C1] handle_tx+0x128/0x5fc [ 456.087584][ C1] caif_xmit+0x108/0x150 [ 456.087596][ C1] dev_hard_start_xmit+0x2b0/0x890 [ 456.087607][ C1] __dev_queue_xmit+0x15a4/0x31f0 [ 456.087619][ C1] tx+0x9c/0x1cc [ 456.087631][ C1] kthread+0x164/0x354 [ 456.087642][ C1] kthread+0x5fc/0x75c [ 456.087654][ C1] ret_from_fork+0x10/0x20 [ 456.087666][ C1] Sending NMI from CPU 1 to CPUs 0: [ 456.087879][ C0] NMI backtrace for cpu 0 [ 456.087892][ C0] CPU: 0 UID: 0 PID: 11 Comm: kworker/0:1 Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT [ 456.087905][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 456.087917][ C0] Workqueue: events ser_release [ 456.087933][ C0] pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 456.087944][ C0] pc : queued_spin_lock_slowpath+0x138/0xaec [ 456.087955][ C0] lr : queued_spin_lock_slowpath+0x144/0xaec [ 456.087964][ C0] sp : ffff800097a87440 [ 456.087969][ C0] x29: ffff800097a874e0 x28: 1fffe0001aa26a29 x27: 1fffe0001833e7a2 [ 456.087985][ C0] x26: ffff0000c19f3d00 x25: dfff800000000000 x24: ffff700012f50e8c [ 456.088001][ C0] x23: 0000000000000001 x22: ffff0000c19f3d10 x21: ffff0000d5135148 [ 456.088017][ C0] x20: ffff0000d5135150 x19: ffff0000d5135140 x18: 1fffe000337d1c76 [ 456.088033][ C0] x17: ffff80008043d584 x16: ffff80008052b1e4 x15: 0000000000000001 [ 456.088052][ C0] x14: 1fffe0001aa26a28 x13: 0000000000000000 x12: 0000000000000000 [ 456.088067][ C0] x11: ffff60001aa26a29 x10: dfff800000000000 x9 : 0000000000000000 [ 456.088082][ C0] x8 : 0000000000000001 x7 : ffff8000893e3b04 x6 : 0000000000000000 [ 456.088096][ C0] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008af23ff4 [ 456.088111][ C0] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000001 [ 456.088125][ C0] Call trace: [ 456.088129][ C0] queued_spin_lock_slowpath+0x138/0xaec (P) [ 456.088141][ C0] do_raw_spin_lock+0x2a8/0x2cc [ 456.088153][ C0] _raw_spin_lock+0x50/0x60 [ 456.088163][ C0] netif_tx_lock+0x9c/0x1d8 [ 456.088174][ C0] dev_deactivate_many+0x274/0xabc [ 456.088185][ C0] __dev_close_many+0x238/0x704 [ 456.088195][ C0] dev_close_many+0x1e8/0x448 [ 456.088205][ C0] netif_close+0x148/0x1f8 [ 456.088215][ C0] dev_close+0xf8/0x1e4 [ 456.088226][ C0] ser_release+0x150/0x1ec [ 456.088237][ C0] process_one_work+0x7e8/0x155c [ 456.088250][ C0] worker_thread+0x958/0xed8 [ 456.088262][ C0] kthread+0x5fc/0x75c [ 456.088274][ C0] ret_from_fork+0x10/0x20 [ 456.088877][ C1] Kernel panic - not syncing: softlockup: hung tasks [ 456.198129][ C1] CPU: 1 UID: 0 PID: 2407 Comm: aoe_tx0 Tainted: G L 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT [ 456.201395][ C1] Tainted: [L]=SOFTLOCKUP [ 456.202551][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 456.205290][ C1] Call trace: [ 456.206162][ C1] show_stack+0x2c/0x3c (C) [ 456.207462][ C1] __dump_stack+0x30/0x40 [ 456.208639][ C1] dump_stack_lvl+0x30/0x12c [ 456.209869][ C1] dump_stack+0x1c/0x28 [ 456.211061][ C1] panic+0x2bc/0x7ac [ 456.212115][ C1] softlockup_fn+0x0/0x120 [ 456.213339][ C1] __hrtimer_run_queues+0x3ec/0xb78 [ 456.214762][ C1] hrtimer_interrupt+0x2b8/0xb50 [ 456.216141][ C1] arch_timer_handler_virt+0x74/0x88 [ 456.217567][ C1] handle_percpu_devid_irq+0x174/0x308 [ 456.219119][ C1] generic_handle_domain_irq+0xe0/0x140 [ 456.220736][ C1] gic_handle_irq+0x6c/0x190 [ 456.221993][ C1] call_on_irq_stack+0x30/0x48 [ 456.223388][ C1] do_interrupt_handler+0xd4/0x138 [ 456.224807][ C1] el1_interrupt+0x34/0x54 [ 456.226042][ C1] el1h_64_irq_handler+0x18/0x24 [ 456.227444][ C1] el1h_64_irq+0x6c/0x70 [ 456.228734][ C1] _raw_spin_unlock_irqrestore+0x44/0x98 (P) [ 456.230437][ C1] uart_port_unlock_deref+0x108/0x2ec [ 456.231857][ C1] uart_write_room+0xa4/0x15c [ 456.233239][ C1] tty_write_room+0x6c/0x8c [ 456.234569][ C1] handle_tx+0x128/0x5fc [ 456.235776][ C1] caif_xmit+0x108/0x150 [ 456.236939][ C1] dev_hard_start_xmit+0x2b0/0x890 [ 456.238339][ C1] __dev_queue_xmit+0x15a4/0x31f0 [ 456.239905][ C1] tx+0x9c/0x1cc [ 456.240874][ C1] kthread+0x164/0x354 [ 456.242046][ C1] kthread+0x5fc/0x75c [ 456.243151][ C1] ret_from_fork+0x10/0x20 [ 456.244375][ C1] SMP: stopping secondary CPUs [ 456.246103][ C1] Kernel Offset: disabled [ 456.247406][ C1] CPU features: 0x10000,00040e00,040008a1,04017203 [ 456.249301][ C1] Memory Limit: none [ 456.250438][ C1] [ 456.251060][ C1] ============================= [ 456.252452][ C1] [ BUG: Invalid wait context ] [ 456.253758][ C1] 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 Tainted: G L [ 456.256015][ C1] ----------------------------- [ 456.257408][ C1] aoe_tx0/2407 is trying to lock: [ 456.258820][ C1] ffff0000c1b8c228 (&k->list_lock){+.+.}-{3:3}, at: bus_for_each_dev+0xa0/0x290 [ 456.261424][ C1] other info that might help us debug this: [ 456.263073][ C1] context-{2:2} [ 456.264038][ C1] 3 locks held by aoe_tx0/2407: [ 456.265405][ C1] #0: ffff80008f8699e0 (rcu_read_lock_bh){....}-{1:3}, at: rcu_lock_acquire+0x18/0x54 [ 456.268262][ C1] #1: ffff0000d5135158 (_xmit_NONE#2){+...}-{3:3}, at: __dev_queue_xmit+0x1150/0x31f0 [ 456.270980][ C1] #2: ffff80008f869980 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c [ 456.273668][ C1] stack backtrace: [ 456.274685][ C1] CPU: 1 UID: 0 PID: 2407 Comm: aoe_tx0 Tainted: G L 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT [ 456.278167][ C1] Tainted: [L]=SOFTLOCKUP [ 456.279390][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 456.282167][ C1] Call trace: [ 456.283062][ C1] show_stack+0x2c/0x3c (C) [ 456.284343][ C1] __dump_stack+0x30/0x40 [ 456.285710][ C1] dump_stack_lvl+0x30/0x12c [ 456.287070][ C1] dump_stack+0x1c/0x28 [ 456.288381][ C1] __lock_acquire+0xaec/0x30a4 [ 456.289735][ C1] lock_acquire+0x14c/0x2e0 [ 456.290967][ C1] _raw_spin_lock+0x48/0x60 [ 456.292195][ C1] bus_for_each_dev+0xa0/0x290 [ 456.293505][ C1] coresight_panic_cb+0x2c/0x3c [ 456.294884][ C1] notifier_call_chain+0x1b8/0x4e4 [ 456.296268][ C1] atomic_notifier_call_chain+0xd0/0x180 [ 456.297815][ C1] panic+0x354/0x7ac [ 456.298865][ C1] softlockup_fn+0x0/0x120 [ 456.300102][ C1] __hrtimer_run_queues+0x3ec/0xb78 [ 456.301577][ C1] hrtimer_interrupt+0x2b8/0xb50 [ 456.302931][ C1] arch_timer_handler_virt+0x74/0x88 [ 456.304447][ C1] handle_percpu_devid_irq+0x174/0x308 [ 456.306005][ C1] generic_handle_domain_irq+0xe0/0x140 [ 456.307519][ C1] gic_handle_irq+0x6c/0x190 [ 456.308787][ C1] call_on_irq_stack+0x30/0x48 [ 456.310168][ C1] do_interrupt_handler+0xd4/0x138 [ 456.311588][ C1] el1_interrupt+0x34/0x54 [ 456.312779][ C1] el1h_64_irq_handler+0x18/0x24 [ 456.314087][ C1] el1h_64_irq+0x6c/0x70 [ 456.315262][ C1] _raw_spin_unlock_irqrestore+0x44/0x98 (P) [ 456.316920][ C1] uart_port_unlock_deref+0x108/0x2ec [ 456.318421][ C1] uart_write_room+0xa4/0x15c [ 456.319743][ C1] tty_write_room+0x6c/0x8c [ 456.320970][ C1] handle_tx+0x128/0x5fc [ 456.322224][ C1] caif_xmit+0x108/0x150 [ 456.323410][ C1] dev_hard_start_xmit+0x2b0/0x890 [ 456.324854][ C1] __dev_queue_xmit+0x15a4/0x31f0 [ 456.326187][ C1] tx+0x9c/0x1cc [ 456.327131][ C1] kthread+0x164/0x354 [ 456.328245][ C1] kthread+0x5fc/0x75c [ 456.329406][ C1] ret_from_fork+0x10/0x20 [ 456.940072][ C1] Rebooting in 86400 seconds..