Warning: Permanently added '10.128.1.241' (ED25519) to the list of known hosts. [ 78.099289][ T4286] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 78.109162][ T4288] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.118155][ T4288] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 78.118340][ T4290] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 78.126120][ T4288] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 78.134294][ T4290] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 78.140974][ T4288] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 78.147701][ T4290] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.154898][ T4288] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 78.162869][ T4290] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 78.168799][ T4288] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 78.175445][ T4290] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.182943][ T4288] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 78.190158][ T4290] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 78.204263][ T4291] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 78.205087][ T4288] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 78.212689][ T4291] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.219093][ T4288] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 78.225716][ T4291] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 78.233598][ T4288] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 78.240995][ T4291] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 78.248252][ T4290] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 78.254033][ T4291] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 78.261490][ T4288] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 78.267637][ T4291] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 78.274284][ T4290] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 78.283611][ T4291] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 78.297030][ T4291] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 78.319406][ T4292] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.326571][ T4291] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 executing program [ 183.501957][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 183.509090][ C0] (detected by 0, t=10502 jiffies, g=7609, q=45 ncpus=2) [ 183.516236][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294955463-4294944960), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 183.529639][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g7609 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 183.540860][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 183.550852][ C0] rcu: RCU grace-period kthread stack dump: [ 183.556766][ C0] task:rcu_preempt state:R running task stack:26912 pid:16 ppid:2 flags:0x00004000 [ 183.567620][ C0] Call Trace: [ 183.570937][ C0] [ 183.573922][ C0] __schedule+0x10ec/0x40b0 [ 183.578516][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 183.583757][ C0] ? _raw_spin_unlock+0x40/0x40 [ 183.588661][ C0] ? release_firmware_map_entry+0x18a/0x18a [ 183.594611][ C0] schedule+0xb9/0x180 [ 183.598852][ C0] schedule_timeout+0x15c/0x280 [ 183.603762][ C0] ? console_conditional_schedule+0x40/0x40 [ 183.609713][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 183.615756][ C0] ? update_process_times+0x1b0/0x1b0 [ 183.621259][ C0] ? prepare_to_swait_event+0x335/0x350 [ 183.626887][ C0] rcu_gp_fqs_loop+0x2f2/0x1310 [ 183.631790][ C0] ? rcu_gp_kthread+0x380/0x380 [ 183.636766][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 183.642803][ C0] ? rcu_gp_init+0x14b0/0x14b0 [ 183.647593][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 183.652489][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 183.657733][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 183.662985][ C0] rcu_gp_kthread+0x95/0x380 [ 183.667611][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 183.672756][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 183.678824][ C0] ? __kthread_parkme+0x162/0x1c0 [ 183.683893][ C0] kthread+0x29d/0x330 [ 183.688005][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 183.693150][ C0] ? kthread_blkcg+0xd0/0xd0 [ 183.697781][ C0] ret_from_fork+0x1f/0x30 [ 183.702253][ C0] [ 183.705321][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 183.711676][ C0] Sending NMI from CPU 0 to CPUs 1: [ 183.716923][ C1] NMI backtrace for cpu 1 [ 183.716946][ C1] CPU: 1 PID: 4293 Comm: syz-executor233 Not tainted 6.1.147-syzkaller #0 [ 183.716962][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 183.716971][ C1] RIP: 0010:__lock_task_sighand+0x63/0x2d0 [ 183.716999][ C1] Code: 31 c9 41 55 e8 ae 96 12 00 48 83 c4 08 e8 55 d5 c5 08 89 c5 31 ff 89 c6 e8 aa 77 30 00 85 ed 74 10 e8 51 b3 1a 00 84 c0 74 0e 38 74 30 00 eb 56 e8 31 74 30 00 eb 4f e8 2a d5 c5 08 89 c5 31 [ 183.717015][ C1] RSP: 0018:ffffc900001e0c08 EFLAGS: 00000002 [ 183.717029][ C1] RAX: 0000000000000001 RBX: ffff88807d500000 RCX: fb871c78c1395e00 [ 183.717041][ C1] RDX: ffff88807d500000 RSI: ffffffff8adef300 RDI: ffffffff8adef2c0 [ 183.717053][ C1] RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff215ba49 [ 183.717064][ C1] R10: fffffbfff215ba49 R11: 1ffffffff215ba48 R12: ffff88807e63f5c8 [ 183.717075][ C1] R13: ffffffff81505265 R14: ffffc900001e0c80 R15: 0000000000000001 [ 183.717087][ C1] FS: 000055558c6f33c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 183.717119][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 183.717130][ C1] CR2: 000020000006b000 CR3: 000000001ee70000 CR4: 00000000003506e0 [ 183.717144][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 183.717153][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 183.717163][ C1] Call Trace: [ 183.717170][ C1] [ 183.717178][ C1] send_sigqueue+0x159/0x600 [ 183.717204][ C1] ? send_sigqueue+0x8d/0x600 [ 183.717228][ C1] posix_timer_fn+0x16a/0x3d0 [ 183.717247][ C1] __hrtimer_run_queues+0x554/0xd60 [ 183.717264][ C1] ? ktime_get_update_offsets_now+0x95/0x3e0 [ 183.717283][ C1] ? ktime_get_update_offsets_now+0x95/0x3e0 [ 183.717312][ C1] ? common_timer_wait_running+0x10/0x10 [ 183.717333][ C1] ? hrtimer_interrupt+0x9c0/0x9c0 [ 183.717353][ C1] hrtimer_interrupt+0x3c5/0x9c0 [ 183.717382][ C1] __sysvec_apic_timer_interrupt+0x153/0x5a0 [ 183.717408][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 183.717430][ C1] [ 183.717434][ C1] [ 183.717439][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 183.717455][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 183.717479][ C1] Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 2e 31 43 f7 48 89 df e8 86 f6 43 f7 e8 91 e8 66 f7 fb bf 01 00 00 00 36 74 37 f7 65 8b 05 07 35 e2 75 85 c0 74 02 5b c3 e8 54 46 e0 [ 183.717492][ C1] RSP: 0018:ffffc90003d07bb8 EFLAGS: 00000286 [ 183.717504][ C1] RAX: fb871c78c1395e00 RBX: ffff88802ee98940 RCX: fb871c78c1395e00 [ 183.717516][ C1] RDX: dffffc0000000000 RSI: ffffffff8a8c0460 RDI: 0000000000000001 [ 183.717527][ C1] RBP: ffff88802ee98dd8 R08: dffffc0000000000 R09: ffffed1005dd3129 [ 183.717539][ C1] R10: ffffed1005dd3129 R11: 1ffff11005dd3128 R12: 1ffff11005dd31bb [ 183.717551][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 183.717570][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 183.717592][ C1] get_signal+0x1163/0x1350 [ 183.717625][ C1] arch_do_signal_or_restart+0xb0/0x1230 [ 183.717648][ C1] ? __ia32_sys_rt_sigreturn+0x660/0x790 [ 183.717670][ C1] ? load_gs_index+0x120/0x120 [ 183.717689][ C1] ? get_sigframe_size+0x10/0x10 [ 183.717718][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 183.717743][ C1] exit_to_user_mode_loop+0x70/0x110 [ 183.717767][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 183.717790][ C1] syscall_exit_to_user_mode+0x16/0x40 [ 183.717811][ C1] do_syscall_64+0x58/0xa0 [ 183.717827][ C1] ? clear_bhb_loop+0x60/0xb0 [ 183.717841][ C1] ? clear_bhb_loop+0x60/0xb0 [ 183.717857][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 183.717882][ C1] RIP: 0033:0x7fd0ecc4a8d9 [ 183.717900][ 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 [ 183.717912][ C1] RSP: 002b:00007ffe4cac3568 EFLAGS: 00000246 [ 183.717924][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fd0ecc4a8d9 [ 183.717934][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 183.717944][ C1] RBP: 0000000000000000 R08: 00007fd0ecc0a990 R09: 00007fd0ecc0a990 [ 183.717954][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd0ecca833c [ 183.717964][ C1] R13: 00007fd0ecca2106 R14: 00007ffe4cac35a0 R15: 0000000000000000 [ 183.717982][ C1] [ 183.717988][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.069 msecs