Warning: Permanently added '10.128.0.28' (ED25519) to the list of known hosts. [ 81.990160][ T4277] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 82.001622][ T4277] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 82.009661][ T4277] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 82.015006][ T4278] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.018461][ T4277] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 82.025409][ T4278] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 82.032648][ T4277] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 82.039409][ T4278] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 82.046027][ T4277] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 82.053110][ T4278] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.060024][ T4277] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 82.068099][ T4278] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 82.080527][ T4277] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 82.081275][ T4278] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 82.088615][ T4277] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.096844][ T4278] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 82.104505][ T4277] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 82.109093][ T4278] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 82.117047][ T4277] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 82.123615][ T4278] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 82.132522][ T4277] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 82.145227][ T4278] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 82.145746][ T4280] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 82.156559][ T4278] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.161043][ T4280] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 82.169635][ T4278] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 82.187517][ T4278] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 82.190244][ T4276] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 82.202520][ T4278] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 82.202697][ T4280] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 187.439765][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 187.446920][ C0] (detected by 0, t=10502 jiffies, g=7957, q=134 ncpus=2) [ 187.454150][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955864-4294945362), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 187.467555][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g7957 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 187.478695][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 187.488690][ C0] rcu: RCU grace-period kthread stack dump: [ 187.494615][ C0] task:rcu_preempt state:R running task stack:27840 pid:16 ppid:2 flags:0x00004000 [ 187.505448][ C0] Call Trace: [ 187.508754][ C0] [ 187.511807][ C0] __schedule+0x10e9/0x40d0 [ 187.516380][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 187.521617][ C0] ? _raw_spin_unlock+0x40/0x40 [ 187.526514][ C0] ? release_firmware_map_entry+0x18a/0x18a [ 187.532455][ C0] schedule+0xb9/0x180 [ 187.536557][ C0] schedule_timeout+0x15c/0x280 [ 187.541450][ C0] ? console_conditional_schedule+0x40/0x40 [ 187.547382][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 187.553407][ C0] ? update_process_times+0x1b0/0x1b0 [ 187.558833][ C0] ? prepare_to_swait_event+0x335/0x350 [ 187.564424][ C0] rcu_gp_fqs_loop+0x2f2/0x1310 [ 187.569316][ C0] ? rcu_gp_kthread+0x380/0x380 [ 187.574198][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 187.580245][ C0] ? rcu_gp_init+0x14b0/0x14b0 [ 187.585060][ C0] ? rcu_gp_cleanup+0xb4c/0xca0 [ 187.589951][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 187.595192][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 187.600428][ C0] rcu_gp_kthread+0x95/0x380 [ 187.605072][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 187.610215][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 187.616153][ C0] ? __kthread_parkme+0x162/0x1c0 [ 187.621238][ C0] kthread+0x29d/0x330 [ 187.625352][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 187.630494][ C0] ? kthread_blkcg+0xd0/0xd0 [ 187.635128][ C0] ret_from_fork+0x1f/0x30 [ 187.639605][ C0] [ 187.642667][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 187.649023][ C0] Sending NMI from CPU 0 to CPUs 1: [ 187.654286][ C1] NMI backtrace for cpu 1 [ 187.654309][ C1] CPU: 1 PID: 4282 Comm: syz-executor448 Not tainted 6.1.141-syzkaller #0 [ 187.654326][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 187.654335][ C1] RIP: 0010:rcu_is_watching+0x5a/0xa0 [ 187.654363][ C1] Code: 03 42 80 3c 38 00 74 08 4c 89 f7 e8 60 48 67 00 48 c7 c3 a8 57 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 2f <8b> 03 65 ff 0d 55 68 97 7e 74 0c 83 e0 04 c1 e8 02 5b 41 5e 41 5f [ 187.654380][ C1] RSP: 0018:ffffc900001e0be8 EFLAGS: 00000046 [ 187.654394][ C1] RAX: 0000000000000000 RBX: ffff8880b8f357a8 RCX: 550c492d260ebe00 [ 187.654406][ C1] RDX: ffff8880202f1dc0 RSI: ffffffff8abf1340 RDI: ffffffff8abf1300 [ 187.654418][ C1] RBP: 0000000000000001 R08: 0000000000000004 R09: 0000000000000003 [ 187.654428][ C1] R10: fffff5200003c15c R11: 1ffff9200003c15c R12: ffff888075358000 [ 187.654440][ C1] R13: ffffffff81505265 R14: ffffffff8c3d0978 R15: dffffc0000000000 [ 187.654452][ C1] FS: 0000555591efe3c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 187.654466][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 187.654477][ C1] CR2: 000020000006b000 CR3: 00000000749e8000 CR4: 00000000003506e0 [ 187.654495][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 187.654504][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 187.654514][ C1] Call Trace: [ 187.654520][ C1] [ 187.654527][ C1] __lock_task_sighand+0x23b/0x2d0 [ 187.654553][ C1] send_sigqueue+0x159/0x600 [ 187.654577][ C1] ? send_sigqueue+0x8d/0x600 [ 187.654601][ C1] posix_timer_fn+0x16a/0x3d0 [ 187.654619][ C1] __hrtimer_run_queues+0x554/0xd60 [ 187.654636][ C1] ? ktime_get_update_offsets_now+0x95/0x3e0 [ 187.654654][ C1] ? ktime_get_update_offsets_now+0x95/0x3e0 [ 187.654677][ C1] ? common_timer_wait_running+0x10/0x10 [ 187.654697][ C1] ? hrtimer_interrupt+0x9c0/0x9c0 [ 187.654718][ C1] hrtimer_interrupt+0x3c5/0x9c0 [ 187.654746][ C1] __sysvec_apic_timer_interrupt+0x153/0x5a0 [ 187.654770][ C1] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 187.654797][ C1] [ 187.654801][ C1] [ 187.654806][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 187.654824][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 187.654847][ C1] Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 de d0 49 f7 48 89 df e8 36 96 4a f7 e8 31 97 6d f7 fb bf 01 00 00 00 46 13 3e f7 65 8b 05 17 d4 e8 75 85 c0 74 02 5b c3 e8 64 e5 e6 [ 187.654860][ C1] RSP: 0018:ffffc90003e47bb8 EFLAGS: 00000286 [ 187.654872][ C1] RAX: 550c492d260ebe00 RBX: ffff888075358000 RCX: 550c492d260ebe00 [ 187.654884][ C1] RDX: dffffc0000000000 RSI: ffffffff8a6bffe0 RDI: 0000000000000001 [ 187.654895][ C1] RBP: ffff888075358498 R08: dffffc0000000000 R09: ffffed100ea6b001 [ 187.654906][ C1] R10: ffffed100ea6b001 R11: 1ffff1100ea6b000 R12: 1ffff1100ea6b093 [ 187.654919][ C1] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 187.654936][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 187.654958][ C1] get_signal+0x1163/0x1350 [ 187.654991][ C1] arch_do_signal_or_restart+0xb0/0x1230 [ 187.655031][ C1] ? __ia32_sys_rt_sigreturn+0x660/0x790 [ 187.655053][ C1] ? load_gs_index+0x120/0x120 [ 187.655073][ C1] ? get_sigframe_size+0x10/0x10 [ 187.655102][ C1] ? exit_to_user_mode_loop+0x3b/0x110 [ 187.655127][ C1] exit_to_user_mode_loop+0x70/0x110 [ 187.655151][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 187.655175][ C1] syscall_exit_to_user_mode+0x16/0x40 [ 187.655191][ C1] do_syscall_64+0x58/0xa0 [ 187.655212][ C1] ? clear_bhb_loop+0x60/0xb0 [ 187.655227][ C1] ? clear_bhb_loop+0x60/0xb0 [ 187.655245][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 187.655280][ C1] RIP: 0033:0x7fd83ba3e259 [ 187.655298][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 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 [ 187.655311][ C1] RSP: 002b:00007ffd8dd51eb8 EFLAGS: 00000246 [ 187.655323][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fd83ba3e259 [ 187.655333][ C1] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 187.655343][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 187.655353][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd83ba95149 [ 187.655363][ C1] R13: 00007ffd8dd521e0 R14: 00007ffd8dd51ef0 R15: 0000000000000000 [ 187.655381][ C1] [ 187.655388][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.107 msecs