Warning: Permanently added '10.128.1.67' (ED25519) to the list of known hosts. [ 190.946081][ T5087] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 190.956307][ T5087] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 190.964887][ T5091] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 190.973829][ T5093] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 190.981676][ T5087] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 190.991046][ T5093] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 190.999152][ T5087] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 191.006831][ T5091] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 191.007712][ T5093] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 191.014722][ T5091] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 191.022636][ T5096] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 191.028849][ T5095] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 191.035878][ T5096] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 191.042505][ T5091] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 191.049557][ T5096] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 191.056613][ T5095] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 191.063287][ T5096] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 191.070989][ T5091] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 191.084636][ T5090] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 191.084797][ T5095] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 191.091720][ T5096] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 191.099117][ T5091] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 191.113814][ T5091] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 191.121495][ T5096] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 191.122431][ T5091] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 191.129743][ T5090] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 191.137130][ T5091] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 191.143512][ T5096] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 191.152560][ T5091] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 191.156830][ T5096] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 296.308759][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 296.315870][ C1] rcu: (detected by 1, t=10502 jiffies, g=5121, q=19 ncpus=2) [ 296.323515][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294966715-4294956213), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 296.336889][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g5121 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 296.348008][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 296.357985][ C1] rcu: RCU grace-period kthread stack dump: [ 296.363878][ C1] task:rcu_preempt state:R running task stack:26256 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 296.375649][ C1] Call Trace: [ 296.378938][ C1] [ 296.381881][ C1] __schedule+0x177f/0x49a0 [ 296.386593][ C1] ? __pfx___schedule+0x10/0x10 [ 296.391464][ C1] ? __pfx_lock_release+0x10/0x10 [ 296.396562][ C1] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 296.402391][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 296.408747][ C1] ? schedule+0x8e/0x260 [ 296.413002][ C1] schedule+0x149/0x260 [ 296.417177][ C1] schedule_timeout+0x1bd/0x310 [ 296.422040][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 296.427430][ C1] ? __pfx_process_timeout+0x10/0x10 [ 296.432770][ C1] ? prepare_to_swait_event+0x32d/0x350 [ 296.438344][ C1] rcu_gp_fqs_loop+0x2df/0x1330 [ 296.443215][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 296.448539][ C1] ? __pfx_rcu_gp_init+0x10/0x10 [ 296.453498][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 296.458716][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 296.464014][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 296.469984][ C1] ? finish_swait+0xd3/0x1e0 [ 296.474594][ C1] rcu_gp_kthread+0xa7/0x3b0 [ 296.479204][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 296.484421][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 296.490332][ C1] ? __kthread_parkme+0x168/0x1d0 [ 296.495422][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 296.500643][ C1] kthread+0x2ef/0x390 [ 296.504726][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 296.509934][ C1] ? __pfx_kthread+0x10/0x10 [ 296.514540][ C1] ret_from_fork+0x4b/0x80 [ 296.519003][ C1] ? __pfx_kthread+0x10/0x10 [ 296.524299][ C1] ret_from_fork_asm+0x1b/0x30 [ 296.529122][ C1] [ 296.532147][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 296.538470][ C1] CPU: 1 PID: 5102 Comm: syz-executor427 Not tainted 6.8.0-rc6-syzkaller-00194-g17ba56605bfd #0 [ 296.548891][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 296.558950][ C1] RIP: 0010:lock_acquire+0x25a/0x530 [ 296.564255][ C1] Code: 2b 00 74 08 4c 89 f7 e8 c4 24 81 00 f6 44 24 61 02 0f 85 8e 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 [ 296.583871][ C1] RSP: 0018:ffffc900042dfae0 EFLAGS: 00000206 [ 296.589953][ C1] RAX: 0000000000000001 RBX: 1ffff9200085bf68 RCX: 0000000000000001 [ 296.597940][ C1] RDX: dffffc0000000000 RSI: ffffffff8baac7e0 RDI: ffffffff8bfd9a20 [ 296.605924][ C1] RBP: ffffc900042dfc38 R08: ffffffff92c58457 R09: 1ffffffff258b08a [ 296.613907][ C1] R10: dffffc0000000000 R11: fffffbfff258b08b R12: 1ffff9200085bf64 [ 296.621889][ C1] R13: dffffc0000000000 R14: ffffc900042dfb40 R15: 0000000000000246 [ 296.629870][ C1] FS: 0000555555c663c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 296.638809][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 296.645408][ C1] CR2: 00007fab844ef4c0 CR3: 0000000023df8000 CR4: 00000000003506f0 [ 296.653407][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 296.661391][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 296.669378][ C1] Call Trace: [ 296.672667][ C1] [ 296.675524][ C1] ? rcu_check_gp_kthread_starvation+0x278/0x310 [ 296.681891][ C1] ? print_other_cpu_stall+0x14a4/0x15e0 [ 296.687556][ C1] ? notifier_call_chain+0x18f/0x3b0 [ 296.692880][ C1] ? __pfx_print_other_cpu_stall+0x10/0x10 [ 296.698734][ C1] ? kvm_check_and_clear_guest_paused+0x6a/0xd0 [ 296.704990][ C1] ? rcu_sched_clock_irq+0x9d4/0x1090 [ 296.710383][ C1] ? __pfx_rcu_read_lock_sched_held+0x10/0x10 [ 296.716478][ C1] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 296.722140][ C1] ? hrtimer_run_queues+0x167/0x450 [ 296.727349][ C1] ? acct_account_cputime+0xd3/0x210 [ 296.732703][ C1] ? update_process_times+0x14b/0x1b0 [ 296.738096][ C1] ? tick_nohz_highres_handler+0x379/0x550 [ 296.744026][ C1] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 296.750216][ C1] ? __hrtimer_run_queues+0x54b/0xd00 [ 296.755628][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 296.761362][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 296.767449][ C1] ? hrtimer_interrupt+0x396/0x990 [ 296.772594][ C1] ? __sysvec_apic_timer_interrupt+0x107/0x3a0 [ 296.778763][ C1] ? sysvec_apic_timer_interrupt+0x92/0xb0 [ 296.785370][ C1] [ 296.788313][ C1] [ 296.791251][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 296.797527][ C1] ? lock_acquire+0x25a/0x530 [ 296.802248][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 296.807293][ C1] ? __pfx___might_resched+0x10/0x10 [ 296.812609][ C1] ? irqentry_exit+0x63/0x90 [ 296.817216][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 296.822441][ C1] ? __might_fault+0xa9/0x120 [ 296.827155][ C1] __might_fault+0xc5/0x120 [ 296.831669][ C1] ? __might_fault+0xa9/0x120 [ 296.836356][ C1] __rseq_handle_notify_resume+0x11f/0x1490 [ 296.842307][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 296.848662][ C1] arch_do_signal_or_restart+0x3aa/0x860 [ 296.854332][ C1] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 296.860500][ C1] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 296.866506][ C1] ? syscall_exit_to_user_mode+0xa2/0x360 [ 296.872266][ C1] syscall_exit_to_user_mode+0xc8/0x360 [ 296.877845][ C1] do_syscall_64+0x108/0x240 [ 296.882468][ C1] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 296.888564][ C1] RIP: 0033:0x7fab844d7e79 [ 296.892996][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 18 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 [ 296.912612][ C1] RSP: 002b:00007fff2c46de08 EFLAGS: 00000246 [ 296.918696][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fab844d7e79 [ 296.926681][ C1] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 296.934677][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 [ 296.942658][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555555c66370 [ 296.950640][ C1] R13: 0000000000000000 R14: 00007fff2c46de80 R15: 00007fff2c46de70 [ 296.958729][ C1]