Warning: Permanently added '10.128.1.53' (ED25519) to the list of known hosts. [ 69.666257][ T4286] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.674602][ T4286] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 69.682366][ T4286] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 69.689906][ T4286] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 69.697430][ T4286] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 69.703075][ T4287] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.705248][ T4286] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 69.712413][ T4287] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 69.726130][ T4286] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 69.726852][ T4287] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.733766][ T4286] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 69.740502][ T4287] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 69.747988][ T4286] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 69.755401][ T4287] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.761976][ T4286] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 69.769252][ T4287] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 69.784274][ T4287] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 69.784625][ T4289] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 69.792199][ T4287] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.806613][ T4287] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 69.807305][ T4289] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 69.814084][ T4287] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 69.821206][ T4289] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.828047][ T4287] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 69.836045][ T4289] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 69.849267][ T4289] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 69.849516][ T4287] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 69.856373][ T4289] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 69.871309][ T48] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 69.879919][ T4286] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 executing program [ 175.191519][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 175.198581][ C0] (detected by 0, t=10502 jiffies, g=6861, q=183 ncpus=2) [ 175.205888][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954636-4294944133), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 175.219295][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g6861 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.230607][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 175.241372][ C0] rcu: RCU grace-period kthread stack dump: [ 175.247280][ C0] task:rcu_preempt state:R running task stack:27760 pid:16 ppid:2 flags:0x00004000 [ 175.258200][ C0] Call Trace: [ 175.261511][ C0] [ 175.264590][ C0] __schedule+0x11d1/0x40e0 [ 175.269274][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 175.275213][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 175.281157][ C0] ? __sched_text_start+0x8/0x8 [ 175.286048][ C0] ? __mod_timer+0x91e/0xd00 [ 175.290691][ C0] schedule+0xb9/0x180 [ 175.294798][ C0] schedule_timeout+0x184/0x2d0 [ 175.299691][ C0] ? console_conditional_schedule+0x40/0x40 [ 175.305613][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 175.311620][ C0] ? update_process_times+0x1b0/0x1b0 [ 175.317021][ C0] ? prepare_to_swait_event+0x335/0x350 [ 175.322597][ C0] rcu_gp_fqs_loop+0x303/0x1340 [ 175.327572][ C0] ? rcu_gp_kthread+0x3b0/0x3b0 [ 175.332455][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 175.338468][ C0] ? rcu_gp_init+0x14e0/0x14e0 [ 175.343301][ C0] ? rcu_gp_cleanup+0xb41/0xc90 [ 175.348209][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 175.353433][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 175.358664][ C0] rcu_gp_kthread+0x99/0x3b0 [ 175.363285][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 175.368421][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 175.374339][ C0] ? __kthread_parkme+0x162/0x1c0 [ 175.379396][ C0] kthread+0x29d/0x330 [ 175.383492][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 175.388623][ C0] ? kthread_blkcg+0xd0/0xd0 [ 175.393242][ C0] ret_from_fork+0x1f/0x30 [ 175.397879][ C0] [ 175.400916][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 175.407343][ C0] CPU: 0 PID: 4292 Comm: syz-executor397 Not tainted syzkaller #0 [ 175.415256][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 175.425334][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 175.431168][ C0] Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ae 54 2e f7 48 89 df e8 f6 1c 2f f7 e8 71 6d 52 f7 fb bf 01 00 00 00 96 7d 22 f7 65 8b 05 57 01 cc 75 85 c0 74 02 5b c3 e8 a4 15 ca [ 175.451051][ C0] RSP: 0018:ffffc90003e67b98 EFLAGS: 00000282 [ 175.457146][ C0] RAX: 3a7a26dfca854b00 RBX: ffff88802e3def00 RCX: 3a7a26dfca854b00 [ 175.465140][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: 0000000000000001 [ 175.473313][ C0] RBP: ffff88802e3df398 R08: ffff88802e3def03 R09: 1ffff11005c7bde0 [ 175.481400][ C0] R10: dffffc0000000000 R11: ffffed1005c7bde1 R12: 1ffff11005c7be73 [ 175.489504][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 [ 175.497497][ C0] FS: 000055556ead8480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 175.506452][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 175.513056][ C0] CR2: 0000200000000058 CR3: 000000007e0d3000 CR4: 00000000003506f0 [ 175.521075][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 175.529066][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 175.537060][ C0] Call Trace: [ 175.540359][ C0] [ 175.543312][ C0] get_signal+0x1163/0x1350 [ 175.547975][ C0] arch_do_signal_or_restart+0xc4/0x1350 [ 175.553644][ C0] ? __ia32_sys_rt_sigreturn+0x619/0x760 [ 175.559313][ C0] ? load_gs_index+0x130/0x130 [ 175.564110][ C0] ? get_sigframe_size+0x10/0x10 [ 175.569092][ C0] ? exit_to_user_mode_loop+0x3b/0x110 [ 175.574686][ C0] exit_to_user_mode_loop+0x70/0x110 [ 175.580009][ C0] exit_to_user_mode_prepare+0xee/0x180 [ 175.585585][ C0] syscall_exit_to_user_mode+0x16/0x40 [ 175.591153][ C0] do_syscall_64+0x58/0xa0 [ 175.595794][ C0] ? clear_bhb_loop+0x60/0xb0 [ 175.600497][ C0] ? clear_bhb_loop+0x60/0xb0 [ 175.605207][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 175.611123][ C0] RIP: 0033:0x7fe1d0c7ecb0 [ 175.615565][ C0] Code: 0f 1f 84 00 00 00 00 00 66 90 53 49 89 ca 64 48 8b 1c 25 10 00 00 00 8b 83 08 03 00 00 80 3d ce 03 08 00 00 75 44 a8 01 75 40 10 75 3c 41 51 4c 8d 9b 08 03 00 00 49 89 c9 48 89 f1 41 50 48 [ 175.635282][ C0] RSP: 002b:00007ffc7d940180 EFLAGS: 00000246 [ 175.641572][ C0] RAX: 0000000000000000 RBX: 000055556ead8480 RCX: 0000000000000000 [ 175.649621][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 175.657606][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 175.665595][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe1d0cca1df [ 175.673769][ C0] R13: 00007fe1d0cca1b5 R14: 00007ffc7d940200 R15: 0000000000000000 [ 175.682038][ C0]