Warning: Permanently added '10.128.1.154' (ED25519) to the list of known hosts. [ 215.947969][ T5077] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 215.962766][ T51] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 215.970301][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 215.979392][ T5083] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 215.986817][ T5083] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 215.994084][ T5083] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 216.006556][ T5093] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 216.014002][ T5093] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 216.020741][ T5094] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 216.021766][ T5093] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 216.029041][ T5094] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 216.036964][ T5093] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 216.043297][ T5095] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 216.049249][ T5093] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 216.057482][ T5094] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 216.064833][ T5093] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 216.078729][ T5094] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 216.080012][ T5093] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 216.086133][ T5094] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 216.100368][ T4454] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 216.101249][ T5094] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 216.107476][ T5093] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 216.115214][ T5094] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 216.128690][ T5093] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 216.129262][ T5094] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 216.143286][ T4454] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 216.145015][ T5094] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 216.150998][ T5093] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 216.158127][ T5094] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 216.171742][ T5093] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 216.172592][ T5094] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 216.188446][ T5092] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 216.196009][ T5092] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 216.204457][ T5094] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 216.204524][ T5092] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 216.224991][ T5077] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 321.494603][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 321.501644][ C0] rcu: (detected by 0, t=10502 jiffies, g=5085, q=6 ncpus=2) [ 321.509114][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294969285-4294958782), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 321.522497][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g5085 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 321.533618][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 321.543597][ C0] rcu: RCU grace-period kthread stack dump: [ 321.549487][ C0] task:rcu_preempt state:R running task stack:29088 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 321.561234][ C0] Call Trace: [ 321.564523][ C0] [ 321.567473][ C0] __schedule+0xf12/0x5c00 [ 321.571930][ C0] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 321.577941][ C0] ? io_schedule_timeout+0x150/0x150 [ 321.583243][ C0] ? schedule+0x1fc/0x270 [ 321.587593][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 321.592980][ C0] ? timer_fixup_activate+0x220/0x220 [ 321.598473][ C0] ? lock_acquire+0x1ae/0x520 [ 321.603163][ C0] ? lockdep_init_map_type+0x16d/0x7d0 [ 321.608641][ C0] schedule+0xe9/0x270 [ 321.612727][ C0] schedule_timeout+0x137/0x290 [ 321.617599][ C0] ? usleep_range_state+0x1a0/0x1a0 [ 321.622817][ C0] ? do_init_timer+0x100/0x100 [ 321.627601][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 321.633428][ C0] ? prepare_to_swait_event+0xf4/0x470 [ 321.638997][ C0] rcu_gp_fqs_loop+0x1ec/0xb10 [ 321.643783][ C0] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 321.650144][ C0] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 321.655973][ C0] rcu_gp_kthread+0x24b/0x380 [ 321.660680][ C0] ? rcu_gp_init+0x1510/0x1510 [ 321.665479][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 321.670778][ C0] ? __kthread_parkme+0x14b/0x220 [ 321.675821][ C0] ? rcu_gp_init+0x1510/0x1510 [ 321.680606][ C0] kthread+0x2c6/0x3a0 [ 321.685299][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 321.690520][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 321.696174][ C0] ret_from_fork+0x45/0x80 [ 321.700609][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 321.706290][ C0] ret_from_fork_asm+0x11/0x20 [ 321.711111][ C0] [ 321.714137][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 321.720466][ C0] Sending NMI from CPU 0 to CPUs 1: [ 321.725682][ C1] NMI backtrace for cpu 1 [ 321.725690][ C1] CPU: 1 PID: 5106 Comm: syz-executor102 Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0 [ 321.725704][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 321.725711][ C1] RIP: 0010:__do_sys_rt_sigreturn+0x0/0x230 [ 321.725736][ C1] Code: ff ff 4c 89 f7 e8 b0 23 b2 00 e9 22 fb ff ff 48 8b 7c 24 48 e8 41 24 b2 00 e9 d7 fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 0f 1e fa 41 57 41 56 41 55 41 54 49 bc 00 00 00 00 00 fc ff df [ 321.725747][ C1] RSP: 0018:ffffc90004677f20 EFLAGS: 00000206 [ 321.725758][ C1] RAX: ffffffffffffffff RBX: ffffc90004677f58 RCX: 1ffffffff1e75901 [ 321.725767][ C1] RDX: 0000000000000000 RSI: ffffffff8accae80 RDI: ffffc90004677f58 [ 321.725775][ C1] RBP: ffffc90004677f48 R08: 0000000000000001 R09: 0000000000000001 [ 321.725782][ C1] R10: ffffffff8f3afa97 R11: 0000000000000000 R12: 000000000000000f [ 321.725789][ C1] R13: 000000000000000f R14: 0000000000000000 R15: 0000000000000000 [ 321.725801][ C1] FS: 0000555556c6e3c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 321.725813][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 321.725821][ C1] CR2: 00007f9a197cd4c0 CR3: 0000000078ae6000 CR4: 0000000000350ef0 [ 321.725829][ C1] Call Trace: [ 321.725835][ C1] [ 321.725840][ C1] ? show_regs+0x8f/0xa0 [ 321.725855][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 321.725872][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 321.725890][ C1] ? nmi_handle+0x1a6/0x570 [ 321.725904][ C1] ? x86_pmu_event_mapped+0x1c0/0x1c0 [ 321.725924][ C1] ? x64_setup_rt_frame+0xcc0/0xcc0 [ 321.725942][ C1] ? default_do_nmi+0x6a/0x160 [ 321.725968][ C1] ? exc_nmi+0x186/0x200 [ 321.725986][ C1] ? end_repeat_nmi+0xf/0x2a [ 321.726004][ C1] ? x64_setup_rt_frame+0xcc0/0xcc0 [ 321.726022][ C1] ? x64_setup_rt_frame+0xcc0/0xcc0 [ 321.726040][ C1] ? x64_setup_rt_frame+0xcc0/0xcc0 [ 321.726058][ C1] [ 321.726061][ C1] [ 321.726064][ C1] do_syscall_64+0xd3/0x250 [ 321.726083][ C1] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 321.726098][ C1] RIP: 0033:0x7f9a197cd4c9 [ 321.726108][ C1] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25 [ 321.726119][ C1] RSP: 002b:00007ffc6876c080 EFLAGS: 00000202 ORIG_RAX: 000000000000000f [ 321.726129][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9a197cd4c9 [ 321.726137][ C1] RDX: 00007ffc6876c080 RSI: 00007ffc6876c1b0 RDI: 0000000000000021 [ 321.726144][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 321.726152][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000555556c6e370 [ 321.726159][ C1] R13: 0000000000000004 R14: 00007ffc6876c6a0 R15: 00007ffc6876c690 [ 321.726171][ C1]