Warning: Permanently added '10.128.1.177' (ED25519) to the list of known hosts. [ 169.953070][ T4290] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 169.967597][ T4293] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 169.974099][ T4295] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 169.976323][ T4293] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 169.983480][ T4295] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 169.990019][ T4293] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 169.996935][ T4295] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 170.011089][ T4296] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 170.012674][ T4295] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 170.018710][ T4296] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 170.026078][ T4295] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 170.033451][ T4297] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 170.040555][ T4295] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 170.047198][ T4293] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 170.055439][ T4297] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 170.063153][ T4293] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 170.069159][ T4295] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 170.077508][ T4293] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 170.084010][ T4295] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 170.090734][ T4293] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 170.098133][ T4295] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 170.105225][ T4293] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 170.112071][ T4295] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 170.120101][ T4293] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 170.132978][ T4295] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 170.133939][ T4293] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 170.142493][ T4297] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 170.150466][ T4286] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 170.155945][ T4297] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 170.182694][ T4297] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 275.549456][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 275.556748][ C0] (detected by 0, t=10502 jiffies, g=7601, q=232 ncpus=2) [ 275.563986][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10499 (4294964696-4294954197), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 275.577376][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g7601 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 275.588503][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 275.598491][ C0] rcu: RCU grace-period kthread stack dump: [ 275.604419][ C0] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 [ 275.615266][ C0] Call Trace: [ 275.618579][ C0] [ 275.621544][ C0] __schedule+0x10e9/0x40d0 [ 275.626117][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 275.631444][ C0] ? _raw_spin_unlock+0x40/0x40 [ 275.636337][ C0] ? release_firmware_map_entry+0x18a/0x18a [ 275.642277][ C0] schedule+0xb9/0x180 [ 275.646380][ C0] schedule_timeout+0x15c/0x280 [ 275.651261][ C0] ? console_conditional_schedule+0x40/0x40 [ 275.657183][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 275.663147][ C0] ? update_process_times+0x1b0/0x1b0 [ 275.668580][ C0] ? prepare_to_swait_event+0x335/0x350 [ 275.674174][ C0] rcu_gp_fqs_loop+0x2f2/0x1310 [ 275.679066][ C0] ? dyntick_save_progress_counter+0x2b0/0x2b0 [ 275.685256][ C0] ? rcu_gp_init+0x14b0/0x14b0 [ 275.690045][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 275.694924][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 275.700170][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 275.705408][ C0] rcu_gp_kthread+0x95/0x380 [ 275.710028][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 275.715279][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 275.721213][ C0] ? __kthread_parkme+0x162/0x1c0 [ 275.726282][ C0] kthread+0x29d/0x330 [ 275.730395][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 275.735632][ C0] ? kthread_blkcg+0xd0/0xd0 [ 275.740273][ C0] ret_from_fork+0x1f/0x30 [ 275.744849][ C0] [ 275.747896][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 275.754355][ C0] CPU: 0 PID: 4299 Comm: syz-executor157 Not tainted 6.1.140-syzkaller #0 [ 275.762878][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 275.772960][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 275.778802][ C0] Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ce 2e 4a f7 48 89 df e8 26 f4 4a f7 e8 91 f6 6d f7 fb bf 01 00 00 00 36 71 3e f7 65 8b 05 d7 32 e9 75 85 c0 74 02 5b c3 e8 24 44 e7 [ 275.798533][ C0] RSP: 0018:ffffc90003ef7bb8 EFLAGS: 00000286 [ 275.804626][ C0] RAX: 8576082c15c11800 RBX: ffff88802ed365c0 RCX: 8576082c15c11800 [ 275.812619][ C0] RDX: dffffc0000000000 RSI: ffffffff8a6c0000 RDI: 0000000000000001 [ 275.820612][ C0] RBP: ffff88802ed36a58 R08: dffffc0000000000 R09: ffffed1005da6cb9 [ 275.828617][ C0] R10: ffffed1005da6cb9 R11: 1ffff11005da6cb8 R12: 1ffff11005da6d4b [ 275.836615][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 275.844621][ C0] FS: 00005555768033c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 275.853769][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 275.860377][ C0] CR2: 000020000006b000 CR3: 000000007f854000 CR4: 00000000003506f0 [ 275.868374][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 275.876379][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 275.884370][ C0] Call Trace: [ 275.887666][ C0] [ 275.890617][ C0] get_signal+0x1163/0x1350 [ 275.895179][ C0] arch_do_signal_or_restart+0xb0/0x1230 [ 275.900849][ C0] ? __ia32_sys_rt_sigreturn+0x660/0x790 [ 275.906512][ C0] ? load_gs_index+0x120/0x120 [ 275.911306][ C0] ? get_sigframe_size+0x10/0x10 [ 275.916287][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 275.921784][ C0] exit_to_user_mode_loop+0x70/0x110 [ 275.927104][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 275.932682][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 275.938168][ C0] do_syscall_64+0x58/0xa0 [ 275.942610][ C0] ? clear_bhb_loop+0x60/0xb0 [ 275.947311][ C0] ? clear_bhb_loop+0x60/0xb0 [ 275.952014][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 275.957950][ C0] RIP: 0033:0x7fa705620b59 [ 275.962404][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 1a 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 [ 275.982403][ C0] RSP: 002b:00007ffff92deb88 EFLAGS: 00000246 [ 275.988991][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fa705620b59 [ 275.996990][ C0] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 276.004987][ C0] RBP: 0000000000000000 R08: 00007ffff92debc0 R09: 00007ffff92debc0 [ 276.012984][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa7056aa488 [ 276.020976][ C0] R13: 00007ffff92debac R14: 0000000000000000 R15: 431bde82d7b634db [ 276.028987][ C0]