Warning: Permanently added '10.128.0.45' (ED25519) to the list of known hosts. [ 141.831574][ T4285] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 141.842102][ T4285] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 141.844945][ T4287] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 141.851142][ T4285] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 141.857660][ T4287] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 141.864886][ T4285] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 141.872162][ T4287] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 141.878546][ T4285] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 141.885842][ T4287] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 141.899858][ T4287] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 141.899948][ T4285] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 141.908062][ T4287] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 141.915287][ T4285] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 141.929752][ T4288] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 141.930076][ T4285] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 141.938425][ T4288] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 141.945952][ T4285] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 141.953122][ T4288] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 141.959162][ T4285] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 141.967039][ T4288] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 141.973714][ T4285] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 141.981123][ T4288] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 141.987709][ T4287] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 141.994673][ T4289] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 142.000969][ T4287] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 142.009663][ T4285] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 142.017531][ T4289] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 142.023568][ T4288] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 142.038202][ T4285] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 142.060101][ T4289] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 247.250370][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 247.257544][ C1] (detected by 1, t=10502 jiffies, g=7933, q=27 ncpus=2) [ 247.264691][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294961817-4294951315), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 247.278214][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7933 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 247.289536][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 247.299528][ C1] rcu: RCU grace-period kthread stack dump: [ 247.305443][ C1] task:rcu_preempt state:R running task stack:26080 pid:16 ppid:2 flags:0x00004000 [ 247.316444][ C1] Call Trace: [ 247.319752][ C1] [ 247.322707][ C1] __schedule+0x143f/0x4570 [ 247.327275][ C1] ? _raw_spin_unlock+0x40/0x40 [ 247.332162][ C1] ? __mod_timer+0x956/0xee0 [ 247.336889][ C1] ? release_firmware_map_entry+0x18b/0x18b [ 247.342819][ C1] ? lockdep_softirqs_off+0x420/0x420 [ 247.348240][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 247.354207][ C1] ? _raw_spin_unlock+0x40/0x40 [ 247.359113][ C1] schedule+0xbf/0x180 [ 247.363221][ C1] schedule_timeout+0x1b9/0x300 [ 247.368190][ C1] ? console_conditional_schedule+0x40/0x40 [ 247.374116][ C1] ? update_process_times+0x1b0/0x1b0 [ 247.379528][ C1] ? prepare_to_swait_event+0x329/0x350 [ 247.385406][ C1] rcu_gp_fqs_loop+0x2d2/0x1150 [ 247.390316][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 247.395568][ C1] ? rcu_gp_init+0x15f0/0x15f0 [ 247.400368][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 247.406305][ C1] ? finish_swait+0xcf/0x1e0 [ 247.410942][ C1] rcu_gp_kthread+0xa3/0x3b0 [ 247.415569][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 247.420797][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 247.426734][ C1] ? __kthread_parkme+0x168/0x1c0 [ 247.431912][ C1] kthread+0x28d/0x320 [ 247.436013][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 247.441241][ C1] ? kthread_blkcg+0xd0/0xd0 [ 247.445862][ C1] ret_from_fork+0x1f/0x30 [ 247.450348][ C1] [ 247.453558][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 247.460090][ C1] CPU: 1 PID: 4293 Comm: syz-executor286 Not tainted 6.1.131-syzkaller #0 [ 247.468645][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 247.478812][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 247.484652][ C1] Code: a1 84 f5 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8e dc ae f6 48 89 df e8 f6 1a b0 f6 e8 51 6d d5 f6 fb bf 01 00 00 00 d6 9b a2 f6 65 8b 05 f7 71 46 75 85 c0 74 02 5b c3 e8 94 95 44 [ 247.504297][ C1] RSP: 0018:ffffc90003f97b30 EFLAGS: 00000286 [ 247.510407][ C1] RAX: 24315432b15a3f00 RBX: ffff888079b9a500 RCX: ffffffff973c0103 [ 247.518494][ C1] RDX: dffffc0000000000 RSI: ffffffff8b0c1d40 RDI: 0000000000000001 [ 247.526507][ C1] RBP: ffffc90003f97c70 R08: dffffc0000000000 R09: ffffed100f3734a1 [ 247.534516][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100f373533 [ 247.542610][ C1] R13: 000000001c000004 R14: 0000000000000021 R15: ffff888079b9a998 [ 247.550619][ C1] FS: 000055557a7c83c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 247.559694][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.566390][ C1] CR2: 000020000006b000 CR3: 0000000077dc5000 CR4: 00000000003506e0 [ 247.574563][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 247.582555][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 247.590549][ C1] Call Trace: [ 247.593850][ C1] [ 247.596713][ C1] ? rcu_check_gp_kthread_starvation+0x1b8/0x220 [ 247.603238][ C1] ? _find_next_bit+0x11b/0x120 [ 247.608254][ C1] ? print_other_cpu_stall+0x150c/0x1640 [ 247.614050][ C1] ? print_cpu_stall+0x5f0/0x5f0 [ 247.619216][ C1] ? rcu_sched_clock_irq+0xaf6/0x1200 [ 247.624622][ C1] ? rcutree_dead_cpu+0x20/0x20 [ 247.629593][ C1] ? hrtimer_run_queues+0x163/0x450 [ 247.634825][ C1] ? acct_account_cputime+0x194/0x270 [ 247.640232][ C1] ? update_process_times+0x147/0x1b0 [ 247.645657][ C1] ? tick_sched_timer+0x386/0x550 [ 247.650732][ C1] ? tick_setup_sched_timer+0x2f0/0x2f0 [ 247.656312][ C1] ? __hrtimer_run_queues+0x5a7/0xe50 [ 247.661742][ C1] ? hrtimer_interrupt+0x980/0x980 [ 247.666906][ C1] ? ktime_get_update_offsets_now+0x407/0x420 [ 247.673045][ C1] ? hrtimer_interrupt+0x392/0x980 [ 247.678219][ C1] ? __sysvec_apic_timer_interrupt+0x158/0x5b0 [ 247.684430][ C1] ? sysvec_apic_timer_interrupt+0x9b/0xc0 [ 247.690278][ C1] [ 247.693231][ C1] [ 247.696233][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 247.702530][ C1] ? _raw_spin_unlock_irq+0x25/0x40 [ 247.707760][ C1] get_signal+0x151f/0x17a0 [ 247.712324][ C1] ? ptrace_notify+0x370/0x370 [ 247.717312][ C1] arch_do_signal_or_restart+0xb0/0x1a10 [ 247.723150][ C1] ? __might_fault+0xa1/0x110 [ 247.727860][ C1] ? __lock_acquire+0x1f80/0x1f80 [ 247.732934][ C1] ? do_sigaltstack+0x3f3/0x610 [ 247.737828][ C1] ? get_sigframe_size+0x10/0x10 [ 247.742905][ C1] ? restore_altstack+0x107/0x150 [ 247.747959][ C1] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 247.754073][ C1] ? exit_to_user_mode_loop+0x39/0x100 [ 247.759560][ C1] exit_to_user_mode_loop+0x6a/0x100 [ 247.764870][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 247.770459][ C1] syscall_exit_to_user_mode+0x60/0x270 [ 247.776324][ C1] do_syscall_64+0x47/0xb0 [ 247.780792][ C1] ? clear_bhb_loop+0x45/0xa0 [ 247.785959][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 247.792266][ C1] RIP: 0033:0x7fd7cbf2f899 [ 247.796765][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 247.816616][ C1] RSP: 002b:00007ffe9d5eab08 EFLAGS: 00000246 [ 247.823093][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fd7cbf2f899 [ 247.831193][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 247.839390][ C1] RBP: 0000000000000000 R08: 00007fd7cbeef990 R09: 00007fd7cbeef990 [ 247.847693][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd7cbf8d33c [ 247.856068][ C1] R13: 00007fd7cbf87106 R14: 00007ffe9d5eab40 R15: 0000000000000000 [ 247.864613][ C1]